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HomeMy WebLinkAbout20030147 Ver 2_terrestrial Wildlife Inventories Study_20070511Yadkin-Pee Dee River Hydroelectric Project FERC No. 2206 TERRESTRIAL WILDLIFE INVENTORIES STUDY REPORT Terrestrial Resources Working Group Issue No. 8 -Wildlife Inventories PROGRESS ENERGY APRIL 2006 D 2006 Progress Energy TABLE OF CONTENTS Section Title ACRONYM LIST .................................................................................................... AL-I EXECUTIVE SUMMARY ..........................................................................................ES-I SECTION I -INTRODUCTION .................................................................................... I - I SECTION 2 -STUDY OBJECTIVES ............................................................................. 2-I SECTION 3 -SITE DESCRIPTION ............................................................................... 3-I No. 3.1 General Description .......................................................................................... ............. 3-1 3.1.1 Piedmont Ecoregion ........................................................................... ............. 3-4 3.1.2 Southeastern Plains ............................................................................ .............3-4 3.2 Terrestr ial Vegetation and Communities .......................................................... ............. 3-5 3.3 Station Descriptions ......................................................................................... ............. 3-9 3.3.1 Dutch John Creek Area ...................................................................... ........... 3-10 3.3.2 Lake Tillery/Lower Uwharrie River Area ......................................... ........... 3-10 3.3.3 Morrow Mountain State Park and Adjacent Reservoir Areas ........... ........... 3-17 3.3.4 Tillery Dam Area/Great Blue Heron Colony ..................................... ........... 3-17 3.3.5 Leak Island Area ................................................................................ ........... 3-18 3.3.6 Pee Dee National Wildlife Refuge Area ............................................ ........... 3-18 3.3.7 Brown Creek Area ............................................................................. ........... 3-19 3.3.8 Lower Little River Area ..................................................................... ........... 3-19 3.3.9 Grassy Islands/Smith Lake/Water Tupelo Swamp Area .................... ........... 3-20 3.3.10 Blewett Falls Dam Area ..................................................................... ........... 3-23 3.3.11 Pee Dee River Gabbro Slopes ............................................................ ........... 3-23 3.3.12 Hitchcock Creek Area ........................................................................ ........... 3-24 SECTION 4 -METHODS ............................................................................................ 4-I 4.1 Birds ...................................................................................... ........................................ 4-1 4.2 Mammals ............................................................................... ........................................ 4-2 4.3 Reptiles and Amphibians ....................................................... ........................................ 4-2 4.4 General Wildlife Resources ................................................... ........................................ 4-2 4.5 Identify High Value Habitat Areas ........................................ ........................................ 4-2 i TABLE OF CONTENTS (Continued) Section Title SECTION 5 -RESULTS AND DISCUSSION .................................................................. 5-1 5.1 Avian Resources 5.1.1 Spring Migration Survey ................................ 5.1.2 Breeding Survey ............................................. 5.1.3 Fall Migration ................................................ 5.1.4 Winter Period ................................................. 5.1.5 Other Avian Resources .................................. 5.1.6 Project Affects to Avian Resources ............... 5.2 Mamm alian Resources ................................................. 5.2.1 Project Affects to Mammals ........................... 5.3 Amphi bian and Reptile Resources ............................... 5.3.1 Project Affects to Reptiles and Amphibians.. 5.4 High-Value Wildlife Areas ........................................... SECTION 6 -SUMMARY ........................................................................................... 6-1 SECTION 7 -REFERENCES ........................................................................................ 7-1 APPENDICES APPENDIX A -WILDLIFE SPECIES GUILDS No. ii LIST OF FIGURES Title No. Figure 3-1 Project location map ............................................................................... ............. 3-2 Figure 3-2 Ecoregions associated with the Project area ........................................... ............. 3-3 Figure 3-3 Wildlife inventory study locations (Sheet 1 of 5) ................................... ........... 3-11 Figure 3-3 Wildlife inventory study locations (Sheet 2 of 5) ................................... ........... 3-12 Figure 3-3 Wildlife inventory study locations (Sheet 3 of 5) ................................... ........... 3-13 Figure 3-3 Wildlife inventory study locations (Sheet 4 of 5) ................................... ........... 3-14 Figure 3-3 Wildlife inventory study locations (Sheet 5 of 5) ................................... ........... 3-15 Figure 5-1 Total spring bird abundance by habitat macrosite .................................. ............. 5-8 Figure 5-2 Spring migration bird relative abundance-top 10 species ....................... ............. 5-9 Figure 5-3 Spring bird species richness by habitat macrosite .................................. ........... 5-11 Figure 5-4 Highest bird species richness for spring season by point ....................... ........... 5-12 Figure 5-5 Total breeding bird abundance by habitat macrosite .............................. ........... 5-15 Figure 5-6 Breeding bird relative abundance-top 10 species ................................... ........... 5-16 Figure 5-7 Breeding bird species richness by habitat macrosite .............................. ........... 5-17 Figure 5-8 Highest bird species richness for breeding season by point ................... ........... 5-18 Figure 5-9 Total fall migration bird abundance by habitat macrosite ...................... ........... 5-21 Figure 5-10 Fall migration bird relative abundance-top 10 species ........................... ........... 5-22 Figure 5-11 Fall migration species richness by habitat macrosite .............................. ........... 5-24 Figure 5-12 Highest bird species richness for fall migration season by point ........... ........... 5-25 Figure 5-13 Total winter species abundance by habitat macrosite ............................. ........... 5-27 Figure 5-14 Winter bird relative abundance-top 10 species ....................................... ........... 5-28 Figure 5-15 Total winter species richness by macrosite area ..................................... ........... 5-29 Figure 5-16 Mammalian species richness by habitat macrosite ................................. ........... 5-35 Figure 5-17 Herpetile species richness by habitat macrosite ..................................... ........... 5-41 Figure 5-18 High-value wildlife areas (Sheets 1 of 5) ............................................... ........... 5-47 Figure 5-18 High-value wildlife areas (Sheets 2 of 5) ............................................... ........... 5-48 Figure 5-18 High-value wildlife areas (Sheets 3 of 5) ............................................... ........... 5-49 Figure 5-18 High-value wildlife areas (Sheets 4 of 5) ............................................... ........... 5-50 Figure 5-18 High-value wildlife areas (Sheets 5 of 5) ............................................... ........... 5-51 iii LIST OF TABLES Table Title No. Table 3-1 List of wildlife inventory stations/points and associated community types..... . 3-16 Table 5-1 A list of bird species identified within or near the Yadkin-Pee Dee River Project area ....................................................................................................... ... 5-2 Table 5-2 Total number of individual birds and species per survey period ...................... ... 5-6 Table 5-3 Total bird abundance and species richness during spring surveys by station, point, and macrosite habitat-type combinations ............................................... ... 5-7 Table 5-4 Total bird abundance and species richness during breeding surveys by station, point, and macrosite habitat-type combinations ................................... . 5-13 Table 5-5 Total bird abundance and species richness during fall migration surveys by station, point, and macrosite habitat-type combinations ................................... . 5-19 Table 5-6 Total bird abundance and species richness during winter surveys by station, point, and habitat-type combinations ................................................................ . 5-26 Table 5-7 A list of mammal species identified in or near the Yadkin-Pee Dee River Project area ....................................................................................................... . 5-32 Table 5-8 Mammalian species observed within the Project area macrosite habitats........ . 5-34 Table 5-9 A list of reptile and amphibian species identified in or near the Yadkin-Pee Dee River Project area ...................................................................................... . 5-37 Table 5-10 Amphibian and reptile species observed within the Project area macrosite habitats .............................................................................................................. . 5-40 Table 5-11 Areas identified as a high value wildlife community within or near Project lands .................................................................................................................. . 5-44 iv Acronym List Federal/State Agencies Advisory Council on Historic Preservation (ACHP) Federal Aviation Administration (FAA) Federal Energy Regulatory Commission (FERC) National Park Service (NPS) National Marine Fisheries Service (NMFS) National Oceanic and Atmospheric Administration (NOAA) National Resource Conservation Service (MRCS) formerly known as Soil Conservation Service National Weather Service (NWS) North Carolina Department of Environment and Natural Resources (NCDENR) North Carolina Environmental Management Commission (NCEMC) North Carolina Department of Natural and Economic Resources, Division of Environmental Management (NCDEM) North Carolina Division of Parks and Recreation (NCDPR) North Carolina Division of Water Resources (NCDWR) North Carolina Division of Water Quality (NCDW~ North Carolina Natural Heritage Program (NCNHP) North Carolina State Historic Preservation Officer (NCSHPO) North Carolina Wildlife Resources Commission (NCWRC) South Carolina Department of Natural Resources (SCDNR) South Carolina Department of Health and Environmental Control (SCDHEC) State Historic Preservation Office (SHPO) U. S. Army Corps of Engineers (ACOE) U. S. Department of Interior (DOI) U.S. Environmental Protection Agency (USEPA) U.S. Fish and Wildlife Service (USFWS) U.S. Geological Survey (USGS) U. S. Department of Agriculture (USDA) U.S. Forest Service (LTSFS) Other Entities Alcoa Power Generating, Inc., Yadkin Division (APGI) Progress Energy (Progress) University of North Carolina at Chapel Hill (UNCCH) Facilities/Places Yadkin -Pee Dee River Project (entire two-development projectinduding both powerhouses, dams and impoundments) Blewett Falls Development (when referring to dam, powerhouse and impoundment) Blewett Falls Dam (when referring to the structure) Blewett Falls Hydroelectric Plant (when referring to the powerhouse) Blewett Falls Lake (when referring to the impoundment) AL-1 List Tillery Development (when referring to dam, powerhouse and impoundment) Tillery Dam (when referring to the structure) Tillery Hydroelectric Plant (when referring to the powerhouse) Lake Tillery (when referring to the impoundment) Documents 401 Water Quality Certification (401 WQC) Draft Environmental Assessment (DEA) Environmental Assessment (EA) Environmental Impact Statement (EIS) Final Environmental Assessment (FEA) Initial Consultation Document (ICD) Memorandum of Agreement (MOA) National Wetland Inventory (NWI) Notice of Intent (NOI) Notice of Proposed Rulemaking (NOPR) Preliminary Draft Environmental Assessment (PDEA) Programmatic Agreement (PA) Scoping Document (SD) Shoreline Management Plan (SMP) Laws/Regulations Clean Water Act (CWA) Code of Federal Regulations (CFR) Electric Consumers Protection Act (ECPA) Endangered Species Act (ESA) Federal Power Act (FPA) Fish and Wildlife Coordination Act (FWCA) National Environmental Policy Act (NEPA) National Historic Preservation Act (NHPA) Terminology Alternative Relicensing Process (ALP) Cubic feet per second (cfs) Degrees Celsius (C) Degrees Fahrenheit (F) Dissolved oxygen (DO) Feet (ft) Gallons per day (gpd) Geographic Information Systems (GIS) Gigawatt Hour (GWh) Global Positioning System (GPS) Grams (g) AL-2 List Horsepower (hp) Kilogram (kg) Kilowatts (kW) Kilowatt-hours (kWh) Mean Sea Level (msl) Megawatt (MW) Megawatt-hours (MWh) Micrograms per liter (µg/L) Milligrams per liter (mg/L) Millimeter (mm) Million gallons per day (mgd) National Geodetic Vertical Datum (NGVD) National Wetlands Inventory (NWI) Non-governmental Organizations (NGOs) Ounces (oz.) Outstanding Remarkable Value (ORV) Parts per billion (ppb) Parts per million (ppm) Pounds (lbs.) Power Factor (p.£) Probable Maximum Flood (PMF) Project Inflow Design Flood (IDF) Rare, Threatened, and Endangered Species (RTE) Ready for Environmental Assessment (REA) Resource Work Groups(RWG) Revolutions per Minute (rpm) Rights-of--way (ROW) Stakeholders (federal and state resource agencies, NGOs, and other interested parties) Volts (V) AL-3 Executive Summary Progress Energy is currently relicensing the Blewett Falls and Tillery hydroelectric developments (i.e., Yadkin-Pee Dee River Hydroelectric Project, FERC No. 2206) with the Federal Regulatory Commission (FERC). As part of the relicensing process, Progress Energy established Resource Working Groups (RWGs) to identify environmental issues associated with Project operations and develop study plans. The Terrestrial RWG identified the need for additional terrestrial wildlife surveys in the high value wildlife habitat areas around Blewett Falls Lake, Lake Tillery, and along the Pee Dee River and its tributaries in the immediate area downstream of the Blewett Falls Dam. Progress Energy agreed to conductterrestrial wildlife surveys during 2004 and early 2005 as part of its relicensingprocess (i.e., Terrestrial RWG Issue No. 8, "Wildlife Inventories"). The surveys were performed in accordance with the study plan developed within the Terrestrial RWG and approved by the Terrestrial RWG. Surveys for wildlife resources were conducted in North Carolina from the Yadkin River just upstream of the Uwharrie River confluence through to downstream of the Blewett Falls Dam. The study included a total of 14 stations with 44 sampling points located along the various stations transects. The habitat combinations or macrosites (e.g., Grassy Islands Complex) are made up of a combination of 14 separate habitat types. These stations are located in habitats within the Project boundary, or within the operational zone of influence (e.g., backwaters on Blewett Falls Lake and flood easements), or as requested bythe Terrestrial RWG, two Progress Energy landholdings outside of the Project boundaries (e.g., Pee Dee River Gabbro Slopes area). The river, reservoirs, and adjacent areas provide habitat for large numbers of avian fauna (e.g., neotropical songbirds, waterbirds, waterfowl, and shorebirds), as well as a diverse herpetile and mammalian community. This is due to the presence of several large contiguous tracts offorest land, wetlands, and other natural communities; the juxtaposition of several habitat types; and several high value habitats. Spring bird species richness was highest in the large contiguous forested habitats such as the Hitchcock Creek, Gabbro Slopes, Blewett Falls Dam area, and Lake Tillery/iJwharrie area. The individual points with the highest species richness include those in the Hitchcock Creek, Gabbro Slopes, Blewett Falls Dam area, and Lake Tillery/iJwharrie River area. Breeding bird species richness was highest in the forested habitats adjacentto the various waterbodies such as the Pee Dee River (e. g., Lower Little River area), the Lake Tillery/iJwharrie area, and Blewett Falls Dam but was also high in large contiguous, forested habitats such as the Gabbro Slopes. Fall migration species richness was again highest in the forested habitats adjacent to the various waterbodies such as the Blewett Falls Dam area, Grassy Islands, and Pee Dee River but was also high in large, contiguous forested habitats such as the Gabbro Slopes. These habitats provide quality foraging and stopover (i.e., resting) habitats. Winter species richness was again highest in the forested habitats adjacentto the various waterbodies such as the Grassy Islands and Lake Tillery Dam but was also high in large, contiguous forested habitats such as Hitchcock Creek. A great blue heron breeding colony is located in a loblolly pine stand along the west shoreline overlooking the Tillery Developmenttailwater. Primary foraging habitat for this colony is located in the immediately adjacent tailwater areabelowthe dam. The tailwater and adjacent shoreline below Tillery Dam provides food, cover, and nesting habitat for both adults and juvenile birds through ES-1 Executive most of the year. The number of great blue herons and other wading birds, in addition to the associated foraging use, in this tailwater area is dependent on the flow (no units or one unit in operation) and subsequenttailwater elevation. W ith a lower water level, more wading birds use this habitat area due to low velocity flows, exposed substrate for wading and hunting use, and isolated foraging pools. The majority of wetlands is associated with Blewett Falls Lake. The presence ofthe Project also has a positive affect on the avian fauna that utilize the lakes and reservoirs, due to the juxtaposition of high quality habitats such as wetlands and adjacent tracts of contiguous forest habitats. Based on field observations, excessive flooding during nesting, breeding/egg laying, and fledging periods for avian species, caused by seasonal flooding and the associated water releases from the upstream reservoirs into downstream bottomlands of Blewett Falls Lake, can have anegative affect (although not significant affect) on local ground, shrub and low cavity nesting species. Any rise in reservoir levels (i. e., 2.0 ft or more above adjacent emergent wetlands or normal pool of 177.2 ft' at the dam) during the nesting and breeding/egg laying period could also have an effect on breeding waterfowl, such as wood duck, mallard, and Canada goose andtheir chicks and nests. High-water levels during the fledgling period for waterfowl are not a factor because most waterfowl chicks can swim soon after hatching. Water levels falling more than 1.5 ft below the normal maximum operating level in the area of Grassy Islands for more than four hours during the waterfowl brood rearing period of June and July, the fall migratory period of August through October, and the wintering period of November through February can negatively affect waterfowl by reducingforaging and cover habitat and exposingthese birds to increased predation. During these low-water periods, the emergent wetlands at Blewett Falls Lake are not inundated. Based on the review of Blewett Falls hourly headpond datafrom 1983 through 2000, approximately 60 percent ofthe hourly lake levels at Blewett Falls Dam are at levels greater in depth than 175.7 ft (i. e., 1.5 ft below the normal operating pool level). The Grassy Islands are located 5 miles upstream from the dam and the extent of change in water elevations is expected to be less than that experienced atthe dam. However, these low-water levels, and associated affects, usually only occur during the periods when the Blewett Falls Dam flashboards are out for a period of time. Affects to these species during the normal daily operations are not significant. There were 12 mammal species observed during the surveys and an additional 7 species listed through incidental observations. A total of 40 species have been observed in the general area ofthe Project. The highest mammalian abundance and species richness during the surveys was found in the Grassy Islands Complex at the forest and water interface. Seven species were observed in this area including several semi-aquatic species such as the beaver, muskrat, and otter. All facility structures including both powerhouses and ancillary buildings were surveyed for roosting bats during the summer of 2004. No bats or evidence of bat use were documented in these structures. Overall, the structures associated with the Project area did not provide suitable bat roosting habitat due to lack of access, warm temperatures, and noise levels. The majority ofmammalian species within the Project areawill notbe affected by Project operations due to the fact that they are mobile and inhabit the more terrestrial areas. Based on field ' Unless otherwise noted, all elevations are NAVD 88. ES-2 Executive observations, reservoir water levels 2.0 ft below the normal maximum operating level for a period of time (more than one day) may adversely affect several aquatic and semi-aquatic species such as the muskrat and beaver. Based on the review of Blewett Falls Lake hourly headpond data from 1983 through 2000, approximately 75 percent ofthe hourly lake levels at Blewett Falls Dam are at levels greater in depth than 175.2 ft (i.e., 2.0 ft below the normal operating pool level). However, it is assumed that these low water levels and associated affects, usually only occur during the periods when the Blewett Falls Dam flashboards are out. There were 20 herpetile (reptile and amphibian) species observed during the surveys and an additional 11 species listed through incidental observations. Based on existing literature and records searches, a total of 96 species have been observed in the general four-county area of the Project. The highest herpetile abundance and species richness during the surveys was found in the Grassy Islands Complex in the bottomland and wetland habitats. The forested habitats ofthe Gabbro Slopes and Hitchcock Creek area also had relatively high species richness due to the large and contiguous tracts of mature forest land found at this site. It is unlikely that hydro operations would influence most of the terrestrial herpetile species to any significant degree. It is, however, possible that hydro operations could influence certain semi- aquatic and aquatic species by influencing the amount of suitable aquatic and wetland habitat available during certain periods of operation. Based on field observations at Blewett Falls Lake, reservoir water levels 1.5 ft or more below the normal maximum operating level for more than one day may adversely these several aquatic and semi-aquatic species (such as the bullfrog) by limiting habitat availability and increasing predation especially duringthe breeding period. Reservoir water levels greater than 1.5 ft below the normal maximum operating level for more than one day in the winter, with the subsequentfreezingand desiccation of substrates can cause mortality in hibernating species such as turtles and frogs due to freezing ofthe individuals. However, these water levels are assumed to occur duringthe infrequentperiods when the Blewett Falls Dam flashboards are outfor a period of time. Affects to these species during the normal daily operations are not significant. Areas within the Project boundary, in the zones of influence, and the two land holdings requested by the Terrestrial RWG were reviewed and surveyed to identify those areas determined to be "high value wildlife habitat." Information from the Terrestrial RWG meetings and information from literature (e. g., N.C. Natural Heritage Program Reports) was used in the reconnaissance of these high-value habitats. These areas were evaluated based on plant community type, unique features, and the results of the wildlife inventories. The following describes several of the important attributes of these selected wildlife areas: ^ The large undisturbed and contiguous forested habitats associated with the Grassy Islands, Lower Little River, Gabbro Slopes and Hitchcock Creek areas provide high value breeding and foraging wildlife habitat for avian and herpetile species. ^ The persistent emergent wetlands (e.g., southern wild rice beds) associated with the Grassy Island Complex provide important waterfowl, passerine, and herpetile foraging and cover habitat. ^ Grassy Islands/Smith Lake provides winter refuge for numerous waterfowl species including wood ducks, mallards, buffleheads, and scaup. Several large vernal pools with rich amphibian breeding assemblages are also associated with the Grassy Island bottomlands. ES-3 Executive ^ Riverine area adjacent to Pee Dee National Wildlife Refuge has a high concentration of wintering waterfowl including species such as the mallard, American black duck, wood duck, and Canada goose. ^ The Lake Tilley tailwater provides high value foraging habitatfor wading and waterbirds and is adjacentto the growing great blue heron breeding colony. ES-4 Section 1 -Introduction Progress Energy is currently relicensing the Blewett Falls and Tillery hydroelectric developments (i.e., Yadkin-Pee Dee River Hydroelectric Project, FERC No. 2206) with the Federal Regulatory Commission (FERC). As part of the relicensing process, Progress Energy established RWGs during May 2003 to identify environmental issues associated with Project operations and develop study plans, if necessary, specific to Project lands and associated lakes and tailwaters. The Terrestrial RW G identified the need for additional terrestrial wildlife surveys in the high value wildlife habitat areas around Blewett Falls Lake, Lake Tillery, and along the lower Pee Dee River and its tributaries. Progress Energy agreed to conductterrestrial wildlife surveys during 2004 and early 2005 as part of its relicensing process (i.e., Terrestrial RWG Issue No. 8, "Wildlife Inventories"). This report describes the objectives, methods, and results of these surveys. 1-1 Section 2 -Study Objectives The objectives ofthis terrestrial wildlife field inventory are to: (1) identify and map the high-value wildlife habitat areas within the FERC Project boundaries, within specific corporate landholdings, and zone of operational influence; (2) characterize existing terrestrial wildlife populations; (3) qualify the relationship of existing wildlife population distribution under the current operating regime and assess the effects of current and reasonable future Project-related hydropower operations (e.g., fluctuations and drawdowns) on these wildlife communities; and (4) provide information to assist in developing any potential protection, mitigation, and enhancement measures. 2-1 Section 3 -Site Description 3.1 General Description The Project is located on the Yadkin-Pee Dee River in south central North Carolina (Figure 3-1). The Yadkin-Pee Dee River basin is the second largest in North Carolina covering 7,213 min as measured at the North Carolina-South Carolina state line (NCDWQ 1998). The Yadkin-Pee Dee River originates near the town of Blowing Rock and flows northeasterly for approximately 100 miles from the Blue Ridge Mountains into the Piedmont physiographical region. As the river turns southeast, it enters an area in Central North Carolina that has experienced considerable urban growth. This growing urban area extends from Charlotte to Raleigh/Durham and is known as the Piedmont Crescent (ASU 1999). Just to the south of the Piedmont Crescent, the region enters an area known as the Uwharrie Lakes Region. This region is named for the chain of six reservoirs located along this reach of the Yadkin-Pee Dee River, two of which are Lake Tillery and Blewett Falls Lake. It is in this region that the Uwharrie River joins the Yadkin River at the upper end of Lake Tillery to form the Pee Dee River. The flow of the Yadkin-Pee Dee River is regulated by a federal flood control development and six hydroelectric developments on the main stem of the river (Figure 3-1). The first development, traveling downstream fromthe headwaters, is the W. Scott Kerr Dam, afederal flood control project. The next four developments make up the Yadkin Project. These four hydroelectric developments, High Rock, Tuckertown, Narrows, and Falls, are owned and operated by APGI and are located along a 38-mile stretch ofthe river (river miles 272 to 234). High Rock Reservoir is operated as a storage reservoir and serves as the principal storage and water regulation facility for the lower Yadkin-Pee Dee River (APGI 2002). The next two hydroelectric developments (dams and powerhouses) on the river, located at river miles 218 and 188 are the Tillery and Blewett Falls Developments, which constitute Progress Energy's Yadkin-Pee Dee River Project. The primary purpose ofthe Project is to provide peaking and load-following generation. Its ability to provide such benefits and meet other flow-related needs is largely dependent on the schedule offlows being released from upstream reservoirs. Currently, an agreement between APGI and Progress Energy governs the release of waters from APGI developments to the Progress Energy developments. Additional Project-related information is discussed in the Initial Consultation Document for the Project (Progress Energy 2003). Most ofthe study area is located within the "Piedmont" Level III ecoregion (Figure 3-2) (Griffith et al. 2002). The Piedmont ecoregion includes Lake Tillery downstream to the Blewett Falls Dam. The remaining area downstream of Blewett Falls is located withinthe Southeastern Plains ecoregion. The Environmental Protection Agency (EPA) defines ecoregions as areas ofrelative homogeneity in ecological systems andtheir components. The EPA portrays areas within whichthere is similarity in the mosaic of all biotic and abiotic components of both terrestrial and aquatic ecosystems. Factors associated with spatial differences in the quality and quantity of ecosystem components, including soils, vegetation, climate, geology, and physiography, are relatively homogeneous within an ecoregion. These regions separate different patterns in human stresses on the environment and different patterns in the existing and attainable quality of environmental resources. Ecoregion classifications are effective for inventorying and assessing national and regional environmental resources and for developing biological criteria and water quality standards (Griffith et al. 2002). 3-1 Section 3 Site _~f` f ,~ 'r: d - - -----~ Virginia - ~e,.~:~_~- Yadkin River W. Kerr Scott ~ Dam ~~ r ;:,,~ ~ VJmston- " " ___,__ Salem Greensboro Burlington ~ '?? (V~ '~ ~' t';, ~ ~ C p~ T Uwharrie River r~r ~~kory - Ralelgh_ .-- - ~' High Rock Dam `?~ ,,,,~,,.,..,:~ ~ ,';~~ ~'~. s ;~~'~ ~ Tuckertown Dam -~ Narrows Dam ;~,,:,,,;,,;; - 'Falls Dam __ -_ -- ~=i,~,:i~,tt' Tillery Dam :~ - __.~- _ - _,~ R,~ ~~ r, ~J ~ "' Blewett Falls Dam - - _~_~~ ~ a\, Fayett~- ; a' i ~. - - - ~~u:;. Rocky River North Carolina > " .^am - ~- -- ---1_ _---- South Carolina ` ` ~~ -~ ~~ ~ ~ gin,-~~:. ~,~ ~ C~7 `'~. " °~., Pee Dee River -.~ .; .~ ,;<,~~.,`~ r ~`~ ""p - ~\ ~~ Fio~..~;c~~~ r!~~ J .~--' /, ,, ,, `:,~-Columbia ~~" ~" - Sumter C~7 ~F ,. H r. "Augusta ~ ~V,u,~>vi l6 ~i °~,~ Winyah Bay / ,~ ~ ~ ~; „ ; ; c \, ~~ / O c : ~, l P ~~~ ~ ..~ -- l -_-~-~~-- ~-- -~---- ~-- y Rivers --FreeviaySystem `~ "-fir ewe ce< er. c ~ .• ~~-' 1 -Rivers abng the Yadkin-Pee Dee lhban Areas - J --"s«m,ea .,,~ __ ~ ~:-. Lakes ~~ ~ Lakos along tlro Yadkin-Poo Oee -. ~ - 3~se aa~ s~.9aea b~ fie UoeaA sla4a Godopcal Swey - 25 `'-' .ma ESRI Dcu~m Tatoeli andASSa iOes aea~mesrologal -• Replonal Location Map IA~~e: v'Gne Gala Marcnn2905~~P xruary and rnmykhren Figuee 3-1 Project location map. 3-2 Section 3 Site N'novs`Dam ~~ aSe esl Aflantic Ocean LaganC O Sk S'vanpe aM PaakMa 069p Sodnem Mtlnepmmtwt IbaNam t5 Pleaingnl [7Qfp Cmnevn Baew Itlags arq Coama LYMat (]hMi IMph Mavtlmen p i5n SaUnam Mw P.gnpnl O83n Cardna Fla.ppet ®BBj. &oap Bav~c n ~ 11i, ~c.Rnwn Cvlw PnpmM -((511 Mq~AWM~c flCpv{WIIA Mq lea Tsrapa ®Ellk. AmpnadU Manlan6 d5: Cnrdna Sae BMI 65 9oW15samsm Mtlro OlD&. Eamem Blue Rape FpoMFt [~ d:e1 Ilortnem liner pletlnmt ~ B6c. Sarq Wk ~ Wm ~ama+m Alamulnc X151 NatMm Outw ReCmxJ E7 e5m RolnpCwmm Wn [~9me BOUn]ay ~4:.p Tnatpc CiSJRS ~Od AlIa11K SPR/~n LOpm plal5t 04YmerNN RUIMay X0.4 N11yc IAauMan QE6p Satnmaem FlaappbnnaM Lan TCra:ea Ctahon Gr+f.h GE Qnema.Jh! CmaDR,JA Stllalak 63 W 1Maa Atlwalc Coaxal AekS fib &ua Rldpa Q 5 10 2Q 1.1 P I.IC:ap W n lens. D R M1Ir.Pnerwn T F Gb:w J B ' ~6b Mq~A[:aNlc FiawOi6 ~ffic Ner RNV PIaea1 ~ aln Caroleu inC SaM afa ;dmwme Y8 Ylh Emepgncdle 0.b Cnecapevw~PSn4m LwNanpcaM Tqa lAaMes -~ $atnam Crymmaa RlApeM1 wq l.lamer.v hUIF: CaNna iuNa pwyc'.nn mnp. Oeampbw tevl eummarYlWiea anc phvr RaNm Vy9nu U 5 GettopKm Suw lm; (~ A10 V.~gnan Dana lekltlf nM (lAma Mwznn ~Yie. Satnwn $epenavay Rgpet ~ ~ Y Figure 3-2 Ecoregions associated with the Project area. 3-3 Section 3 Site Descripti A description of the Level III ecoregions and the associated Level IV "sub" ecoregions (Figure 3-2) are described below: 3.1.1 Piedmont Ecoregion The northeast-southwest trending Piedmont ecoregion comprises a transitional area between the mostly mountainous ecological regions of the Appalachians to the northwest and the relatively flat coastal plain to the southeast. It is an erosional terrain ofmoderately dissected irregular plains with some hills, with a complex mosaic of Precambrian and Paleozoic metamorphic and igneous rocks. Most rocks of the Piedmont are covered by a thick mantle of saprolite, except along some major stream valley bluffs and on a few scattered granitic domes and flatrocks. Rare plants and animals can be found on the rock outcrops. Stream drainage in the Piedmonttends to be perpendicular to the structural trend of the rocks across which they flow (Griffith et al. 2002). The soils are generally finer-textured than those found in coastal plain regions with less amounts of sand and a higher percentage of clay. Several major land cover transformations have occurred (Ecoregions [Figure 3-3]) in the Piedmont over the past 200 years, from forest to farm, back to forest, and now in many areas, spreading urban and suburbanization. The historic oak-hickory-pine forest is now in planted pine or has reverted to successional pine and hardwood woodlands, with some pasture in the landcover mosaic (Griffith et al. 2002). Within the Piedmontecoregion, the Projectareafrom Lake Tillery downstream to approximately the Rocky Creek confluence is located within the Carolina Slate Belt "sub" ecoregion. This region extends from southern Virginia through the Carolinas and includes mineral rich metvolcanic and metasedimentary rocks with slatey cleavage. Streams tend to dry up and water yields to wells are low in this region due to low water-bearing rockformations (Griffith et al. 2002). The Project area from Rock Creek downstream to the Little River confluence is located with the Triassic Basin "sub" region. This area is characterized by an unusual geology consisting of unmetamorphosed shales, sandstones, mudstones, siltstones and conglomerates. 3.1.2 Southeastern Plains The Southeastern Plains ecoregion is located between the Piedmont and Middle Atlantic Coastal Plain ecoregions. The physiography consists of dissected irregular plains with moderate to steep sides and low to moderate sandy bottomed streams (Griffith et al. 2002). The soils typically consist of medium to coarse Creataceous or Tertiary-age sand, loamy sand, and sandy loam. Seepage and groundwater support steady streamflows and saturated wetlands (Griffith et al. 2002). On drier sites, turkey oak and blackjack oak grow with longleaf pine and wiregrass cover. Red maple and evergreen shrubs are common in the wetland areas. Within the Southeastern Plain ecoregion, from Blewett Falls Lake Dam downstream through part of South Carolina is located within the Sand Hills "sub" ecoregion (Griffith et al. 2002). 3-4 Section 3 Site Descripti 3.2 Terrestrial Vegetation and Communities Wildlife habitat is frequently described as an area supporting aparticulartype ofvegetation forfood and cover, in combination with other resources such as water and environmental conditions including climate, predators and competition (Morrison et al. 1992). According to Morrison et al. (1992), high quality wildlife habitat can be defined as those areas that afford conditions necessary for relatively successful survival and reproduction over relatively long periods when compared with other similar environments. In general, the majority of terrestrial natural communities alongthe Yadkin-Pee Dee River shoreline consists of hardwood and pine woodland. These deciduous areas can range from dry to mesic hardwood forest to rather extensive piedmont bottomland forest (Schafale and Weakley 1990). Planted and managed pine stands are also scattered throughout and adjacent to the shoreline areas. Representative tree species in these deciduous areas include red maple (Ater rubrum), boxelder (A. negundo), sycamore (Platanus occidentalis), sweet gum (Liquidambar styraciflua), white ash (Fraxinus americana), red oak (Quercus rubs), southern red oak (Q. falcata), willow oak (Q. phellos), white oak (Q. alba), and chestnut oak (Q. montana). Loblolly pine (Pinus taeda), Virginia pine (P. virginiana), shortleaf pine (P. echinata), and longleaf pine (P. palustris) are also scattered throughout this community (Bates 2002; EA 2000; Sorrie 2001). Typical shrubs and vines include mountain laurel (Kalmia larifolia), deerberry (T~accinium stamineum), dangleberry (Gaylussacia frondosa), common serviceberry (Amelanchier arborea), St. John's wort (Hypericum hypericoides), fetter-bush (Leucothoe racemosa), poison ivy (Toxicodendron radicans), Virginia creeper (Parthenocissus quinquefolia), greenbrier (Smilax spp.), and muscadine grape (Viris rotundifolia) (Bates 2002; EA 2000; Sorrie 2001). The representative and rather diverse herbaceous plant community typically consists of bottlebush grass (Elymus hystrix), poverty oatgrass (Danthonia spicata), tick trefoil (Desmodium rotundifolium), white avens (Geum canadense), perfoliate bellwort (Uvularia perfoliata), upright yellow woodsorrel (Oxalis stricta), woodland sunflower (Helianthus divaricatus), white wood aster (Aster divaricatus), whorled coreopsis (Coreopsis verricillata),halberd-leaved yellow violet (Viola hastata), black bugbane (Cimicifuga racemosa), Virginia dayflower (Commelina virginica), Carolina elephantfoot (Elephantopus carolinianus), downy rattlesnake-plantain (Goodyera pubescens), ebony spleenwort (Asplenium platyneuron), Christmas fern (Polysrichium acrosricoides), and broom-sedge (Andropogon virginicus) (Bates 2002; Sorrie 2001). Larger stands of monotypic pine plantation are also found within some of the Progress Energy landholdings. Most of these areas are actively managed for timber production. The common pine species include loblolly and shortleaf pine. The relatively sparse understory, due to the closed canopy, typically consists of Japanese honeysuckle (Lonicera japonica), and poison ivy. Terrestrial natural communities that are classified by the NC Natural Heritage Program and found within the study area include the following types. According to Schafale and Weakley (1990), a natural community is a distinct and reoccurring assemblage of populations of plants, animals, bacteria, and fungi naturally associated with each other and their physical environment. A natural 3-5 Section 3 Site Descripti community is characterized by vegetation composition and physiognomy, animal assemblages, topography, soils, hydrology, and other abiotic factors (Schafale and Weakley 1990). Natural communities found in the Project area include the following types: ^ Dry Oak-Hickory Forest -This common community is typically found on ridgetops, upper slopes, steep south-facing slopes, and other dry areas on acidic soils (Schafale and Weakley 1990). This community is found throughout the Piedmont and Coastal Plain area of North Carolina. Species representative of the canopy include water oak, white oak, southern red oak, blackjackoak(Q. marilandia), red maple, sweet gum, and Virginiapine. Representative understory and shrub species include American hornbeam (Carpi~rus caroliniana), flowering dogwood, persimmon (Diospyros virginiana), American holly (Ilex opaca), sourwood (Oxydendrum arboreum), sparkleberry, and Virginia creeper. The typical herb species include ebony spleenwort, spotted wintergreen (Chimaphila maculata), rattlesnake hawkweed (Hieracium venosum), arrowleaf heartleaf (Hexastylis arifolia), northern oatgrass, and creeping bushclover (Lespedeza repens) (Bates 2002; Schafale and Weakley 1990). Representatives of this community are found on the west shoreline of Lake Tillery in association with the Morrow Mountain area, north of the Lake Tillery Dam, and along the slopes of the Little River north of Blewett Falls Lake. ^ Dry-Mesic Oak-Hickory Forest -This community is typically located on mid slopes, low ridges, flats on acidic soils (Schafale and Weakley 1990). The canopy of this community consists for chestnut oak (Q. montana), water oak, white oak, willow oak, bitternut hickory (Carya cordiformis), American beech (Fagus grandifolia), and shortleaf pine (P. echinata). The understory layer includes American hornbeam, black locust (Robinia pseudoacacia), American basswood (Tilia americana), flowering dogwood, spicebush (Lindera benzoin), bigleaf snowball (Styrax grandifolius), sparkleberry, Japanese honeysuckle, common greenbrier (Smilax rotundifolia), and poison ivy. Herbs typical of this community include ebony spleenwort, southern lady fern (Athyrium asplenoides), rattlesnake fern (Botrychium virgiania~rum), spotted wintergreen, plume grass (Erianthus contortus), may apple (Podophyllum peltatum), Christmas fern, false Solomon's Seal (Smilacina racemosa), and little sweet trillium (Trillium cuneatum) (Bates 2002). A good community representative is found along the east shore slopes of Lake Tillery in the Dutch John Creek area. ^ Basic Oak-Hickory Forest -This community is found on slopes, ridges, upland flats, and other dry areas associated with basic or circumneutral soils (Schafale and Weakley 1990). Locations ofthis community are scattered throughoutthe Piedmont. The species found inthis community are indicative of basic soils and include canopy and shrub species such as chalk maple (Ater leucoderme), downy serviceberry (Amelanchier arborea), Georgia hackberry (Celris tenuifolia), eastern redbud (Cercis canadensis), flowering dogwood, American beech, smooth blackhaw (Viburnum prunifolium), painted buckeye (Aesculus sylvarica), and sweetshrnb (Calycanthus floridus). Herbs include thick-pod white wild indigo (Baprisia alba), dwarf iris (Iris verna), downy false indigo (Aureolaria virginica), and bracken fern (Pteridium aquilinum) (Bates 2002; Sorrie 2001). A good representative ofthis community is found below the Blewett Falls Lake Dam within the Gabbro Slopes and Hitchcock Creek areas. 3-6 Section 3 Site Descripti ^ Pine Plantation -This community consists of managed pine plantation consisting of loblolly and shortleaf pine. Due to the pine density, the shrub and herb layer is typically sparse. Japanese honeysuckle and poison ivy can be common in certain locations. This community is scattered along Lake Tillery and Blewett Falls Lake and also is adjacent to areas such as Hitchcock Creek. ^ Early Successional Communities -The early successional communities include existing maintained utility right-of--ways and recent timber harvesting areas. The existing utility corridors are maintained in an early successional stage ranging from herbaceous to shrub- dominated habitats depending upon maintenance schedules and native vegetation. Timber harvesting is common throughout the area and clearcutting is one of the dominant harvest techniques. Vegetation composition and structure associated with these areas gradually change over time through natural successional processes. Blackberries, raspberries (Rubus spp.), broom-sedge, and other herbaceous plants typically dominate these areas in the firstfew years following the harvest. Fast growing tree species such as cherries (Prunus spp.), sweetgum, red maple, and pines gradually shade the herb species and quickly dominate the clearcuts. These early successional habitats generally remain thick and shrubby for up to 20 years following harvest unless they are replanted in the first few years. ^ Agricultural Areas -Agricultural cover types along the Yadkin-Pee Dee River include cropland, pastures, hayfields, and fallow fields. The most common croplands include cotton, soybeans, and corn. Agricultural areas are common along the Pee Dee River between Lake Tillery and the upper reaches of Blewett Falls Lake including areas within the Pee Dee National Wildlife Refuge and Leak Island. Palustrine (i.e., freshwater) wetlands are relatively common within and adjacentto the waterbodies associated with the Yadkin-Pee Dee study area. The majority of the wetlands within the study area are associated with islands and the surrounding shoreline floodplains of Blewett Falls Lake. The areaknown as the Grassy Islands is representative ofthese wetland areas. These islands are found in the upper reaches of the impoundment. Emergent and scrub/shrub wetlands are also associated with several ofthe larger protected coves distributed in the upper portion of Blewett Falls Lake and Lake Tillery (CP&L 2002a). Wetland natural communities that are classified by the North Carolina Natural Heritage Program and found within the Project area include the following types. ^ Piedmont Bottomland Forest -The bottomland forests consist of floodplain ridges and second and third terraces adjacentto the river channel or at least open water ofthe reservoirs. The hydrology in this system is typically seasonally flooded (i.e., surface water present for extended periods at certain times ofthe year) to temporarily flooded. Although depending on the terrace location, semi-permanently, and intermittently flooded areas are also found within this community. The bottomland hardwood community consists of a high quality wetland and mature forest community. This community is diverse in vegetative structure and species richness and is relatively undisturbed. Most ofthe bottomland forest areas are associated with the Grassy Islands and surrounding floodplains of Blewett Falls Lake. These islands and floodplains are found in the upper reaches ofthe impoundment and support some ofthe best remaining bottomland forests in the piedmont of North Carolina (Sorrie 2001). There are several areas where swamp chestnut oaks, willow oaks, and loblolly pines are estimated to be 3-7 Section 3 Site Descripti at least 150 to 200+ years old and have a diameter at breast height (dbh) from 3 to 4 ft. This area is an excellent representative of relatively undisturbed Piedmont bottomland community, which has been classified as Rare (S3) in North Carolina (Schafale and Weakley 1990). The vegetation associated with the bottomlands forests consist of a mature canopy of various trees such as sycamore, green ash (Fraxinus pennsylvanica), American elm (Ulmus americana), red maple, lowland hackberry (Celris laevigata), swamp chestnut oak, water oak, willow oak, loblolly pine, and cottonwood (Populus deltoides). These mature canopytrees are at least 80 to 100 years in age. In most of the bottomlands, the shrub and vine layer consisted of muscadine (Viris rotundifolia), poison ivy, greenbrier, cross vine (Bignonia capreolata), black willow (Salix nigra), Chinese privet, and pawpaw. This shrub and vine layer varied in density depending on the local hydrologic conditions. The typical herb layer consisted false nettle (Boehmeria cylindrica), Indian wild oats, fleabane species (Erigeron spp.), violet species (Viola spp.), sedge species (Carex spp.), giant cane, Pennsylvania smartweed (Polygonum pensylvanicum), and marsh pepper smartweed (P. hydropiper). The herb layer can be nonexistentto quite dense depending on the duration of standing water and the extent of canopy closure. In several areas, including some channel fringe and cove areas, dense, monotypic stands of southern wild rice or giant cutgrass (Zizaniaopsis miliacea) are evident. Black willow and crimson-eyed mallow (Hibiscus moscheutos) are also found in the higher portions of these coves. These large, permanently to semi-permanently flooded areas are found in the vicinity of Mountain Island Creek confluence, fringing the Grassy Islands and alongthe west shoreline within several large coves. ^ Piedmont Levee Forest -This natural community is associated with natural levee and point bar deposits on large floodplains, especially within Blewett Falls Lake (Schafale and Weakley 1990). The community is typically bordered by the river channel and grades into and is closely associated with the bottomland hardwood community. The canopy is dominated by a mixture of large trees including sycamore, river birch, sugarberry (Celris laevigata), boxelder, sweetgum, American elm, and cottonwood. These mature canopy trees are typically at least 80 to 100 years in age. The shrub and vine layer consisted of muscadine, poison ivy, greenbriar, cross vine, black willow, spicebush, and pawpaw. This shrub and vine layer varies in density depending on the local hydrologic conditions. The typical herb layer consists of false nettle, river oats, fleabane species, violet species, sedge species (Carex spp.), giant cane, and smartweed species (Polygo~rum spp). The Grassy Islands associated with Blewett Falls Lake exhibit some ofthe bestremaining levee communities in the piedmont ofNorth Carolina (Sorrie 2001). ^ Oxbow Lake -This natural community, known as Smith Lake, is associated with relic river channel meanders with permanent hydrology (Schafale and Weakley 1990). Within Blewett Falls Lake, this community is associated with an old oxbow/slough(s) of the Little River. These oxbows and sloughs are old historical channels believed to have formed as the Little River migrated north to its present location. A unique water tupelo (Nyssa aquarica) swamp community is located approximately 2,000 ft upstream ofthe confluence ofthe Pee Dee River and Smith Lake. Sorrie (2001) believes that this specific Oxbow Lake community occurs 3-8 Section 3 Site Descripti nowhere else in the Piedmontregion ofNorth Carolinaand is of Statewide Significance. This community, including several ofthe representative plant species, is usually found only in the Coastal Plain physiographic region. ^ Piedmont Alluvial Forest -This seasonally or intermittently flooded forested wetland community is located along river and stream floodplains within the Project area In the Project area the typical canopy species include the sycamore, red maple, river birch, and willow oak. The understory species include red maple, spicebush, box elder (Ater negundo), ironwood, and American holly. Shrubs and vines include brook-side alder, swamp rose, common elderberry, southern arrowwood (Vibur~rum dentatum), poison ivy, and Virginia creeper. Representative herbs include cane, southern lady fern, rattlesnake fern, fringed sedge (Carex crinita), shallow sedge (C. lurida), Virginia dayflower (Commelina virginica), spotted jewelweed (Impariens capensis), fowl manna grass (Glyceria striata), Japanese grass (Microstegium vimeneum), early meadowrne (Thalictrum dioicum), green dragon (Arisaema triphyllum), and perfoliate bellwort (Bates 2002; Schafale and Weakley 1990). The invasive Chinese privet and Japanese honeysuckle can be prevalent in several areas alongthe Yadkin- Pee Dee River. Associated with this community, as well as the other bottomlands, are scattered ephemeral or vernal pool depressional areas. These pools are subject to seasonal fluctuation and provide important breeding areas for several amphibian species such as mole salamanders. Emergent hydrophytes such as lizard's-tail (Saururus cernuus), sedges (Carex spp.), rare Coastal Plain species such as water purslane (Didiplis diandra), and peripheral stands of large water tupelo are also associated with these vernal pools. ^ Other Wetland Communities -Several other wetland communities are found throughout the Project area One of the more common emergent wetlands, especially on Lake Tillery, includes shoreline fringing areas consisting ofwater willow (Jusricia americana). The water willow beds found on Lake Tillery are the most frequently mapped habitat types on the lake (CP&L 2001a). These semi-permanently flooded areas can be found at the mouth of the Uwharrie River, the Richmond Creek confluence, and a fringe along the majority of the southern Lake Tillery shoreline. Submergent and aquatic bed wetlands can also be found throughout study area, especially in protected coves within Lake Tillery. Due to the turbid conditions within Blewett Falls Lake, aquatic bed wetlands are uncommon. These permanently to semi-permanently flooded wetlands include aquatic species such as pondweed (Potomogeton spp.), muskgrass (Chas spp.), coontail (Ceratophyllum sp.), and brittle naiad (Najas minor). 3.3 Station Descriptions Surveys for wildlife resources were conducted in North Carolina from the Yadkin River just upstream of the Uwharrie River confluence to downstream of Blewett Falls Lake (Figure 3-3). The study started with a total of 14 stations with 44 points located along the various stations transects. The habitat combinations or macrosites are made up of a combination of 14 separate habitat types. Each station was described eiven a senarate habitat combination that best described the area with the 3-9 Section 3 Site Descripti station (Table 3-1). These stations are located in habitats within the Projectboundary, or within the operational zone of influence (e.g., backwaters on Blewett Falls Lake), or within two landholdings outside ofthe Projectboundaries (e.g., Gabbro Slopes and HitchcockCreekareas). A description of the wildlife inventory stations are as follows. 3.3.1 Dutch John Creek Area The Dutch John Creek Area is located north of the confluence of the Uwharrie and Yadkin Rivers and is not bordered by Lake Tillery. During the first spring survey, it was determined that this site was outside of Projectboundariesand outside zone of operational influence (Figure 3-3). Due to the station location, no further surveys were conducted at this site. The point has 80 percent forest canopy coverage with an estimated average height of 50 ft with approximately two snags observed. This area was designated by the North Carolina Natural Heritage Program as regionally significant primarily because of its large, unfragmented predominately Dry Oak-Hickory Forest in the upper elevations which provides habitat for interior forest animals (Bates 2001). The canopy ofthis community consists for chestnut oak, water oak, white oak, willow oak, bitternut hickory, American beech, and shortleaf pine. The understory layer includes American hornbeam, American basswood, flowering dogwood, spicebush, bigleaf snowball, sparkleberry, Japanese honeysuckle, greenbrier, and poison ivy. Herbs typical ofthis community include ebony spleenwort, rattlesnake fern, spotted wintergreen, plume grass, Christmas fern, and false Solomon's Seal. 3.3.2 Lake Tillery/Lower Uwharrie River Area The part ofthe Uwharrie River corridor identified as State Significantbythe North Carolina Natural Heritage Program is upstream of the flowage easement or property of Progress Energy. Along the lower Uwharrie River, just before the confluence with the Yadkin/Pee Dee River, residences line the western shoreline. The eastern shoreline, which is within the zone of Proj ect influence, is primarily a narrow Piedmont Alluvial Forest with mature red maple, river birch, willow oak, water oak, sweet gum, and sycamore. The understory layer is dominated with tag alder, flowering dogwood, American holly, muscadine grape, poison ivy, crossvine, river oats, and Christmas fern. The station has 75 percentforest canopy coverage with an estimated average height of 60 ft with four observed snags. Several large ephemeral or vernal pools within the floodplain and two backwater coves (locally known as Hidden Lakes) are located to the south of the Uwharrie River. Dense layers of vegetation lined the shores ofthese Hidden Lakes, from the dominanttrees inthis Piedmont Alluvial 3-10 Section 3 Site .. _ f" 13aalin D:un r~t,','~~ ; ,1 ¢ o. ~' r ;,j ~' + ~.1~ ~ ? '. ~1\ 1, £~ 1 ~, '~,., 't"..' 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Sheet4 of 5 Rgecl BounOary .~ ~~ ~ YAWI~it InvGMOIy JIOOy P/tnS ,- Bae dka x4:p~M b/Tro LIMM Stde<r.eNO¢~n'S~r.«y v m1ESRi C~eune Taioel a+]A;socl.Vea a:~wme;ro k~}I labity a resrm LOlCy la CK x(~ao/ aM conpkfenC. rigule Loc~Ylon yple Ata Marth.005 Figure 3-3 Wildlife inventory study locations (Sheet 4 of 5). 3-14 Section Site Figure 3-3 Wildlife inventory study locations (Sheet 5 of 5). 3-1~ Section 3 Site Descripti Table 3-1 List of wildlife inventory stations/points and associated community types. General Location Number Specific Location Name Community Habitat Type of Points Lake Tillery 1 Jacobs Creek Area Mesic Oak-Hickory Lake Tillery 4 Lower Uwharrie River Corridor Piedmont Bottomland and Alluvial Forest; isolated Floodplain Ephemeral Pools and adjacentwaterbodies ("Hidden Lakes") Lake Tillery 2 Morrow Mountain State Park Alluvial Forest and Reservoir Pee Dee River 4 Tillery Dam and Tailrace Area Tailrace, Piedmont Bottomland, Alluvial including the great blue heron Forest, Mesic Oak-Hickory Forest, and colony Reservoir Pee Dee River 1 Leak Island Agriculture, Mesic Oak-Hickory Forest and Riverine Pee Dee River 1 Brown Creek Piedmont Bottom land Forest and Levee Forest Pee Dee River 2 Pee Dee National Wildlife Riverine and Piedmont Bottomland Forest Refuge Area Pee Dee River 3 Lower Little River PiedmontBottomlandForestandLevee Forest Grassy Islands /Smith 14 total Grassy Islands/Smith Lake Variety of floodplain and Mesic slope forests, Lake Complex emergent marshes, Levee and Alluvial Forest and Piedmont Bottomland forest Grassy Islands /Smith 6 Grassy Islands Piedmont Bottomland Forest, Levee Forest Lake Grassy Islands /Smith 2 Oxbow Lake (Smith Lake) PiedmontBottomlandForest, and Oxbow Lake Lake Grassy Islands /Smith 2 Water Tupelo Swamp Area Oxbow Lake and PiedmontBottomlandForwt Lake Grassy Islands /Smith 2 Mountain Creek/S. Rice Beds Piedmont Bottomland Forest, Levee Forest, Lake Oxbow Lake Grassy Islands /Smith 4+ Vemal Pools Isolated Floodplain Ephemeral Pool Lake Lower Pee Dee River 3 Blewett Falls Dam and Tailrace Tailrace, Reservoir, Mesic Oak-Hickory Forest Area Lower Pee Dee River 4 Pee Dee River Gabbro Slopes and Basic Oak-Hickory forest and Piedmont Floodplain Bottomland/Levee Forest Lower Pee Dee River 3 Hitchcock Creek and Pee Dee Basic Mesic and Basic Oak-Hickory Forests, River Slopes Piedmont Bottomland Forest 3-16 Section 3 Site Descripti Forest community of red maple, sugarberry, and tulip tree to the silky dogwood, buttonbush, green ash, blackwillow, and tag alder understory. The herbaceous emergent layer is diverse and includes numerous sedge species including broadleaf arrowhead, Ludwegia, Lizard's-tail, and pickerel weed. Dense submerged aquatic vegetation consisting of charafringes the emergentvegetation atthis site. There is one wildlife inventory station and four associated sample points within this area. The sample points are located in the Alluvial Forest community (Figure 3-3 and Table 3-1). 3.3.3 Morrow Mountain State Park and Adjacent Reservoir Areas Morrow Mountain State Park covers approximately 4,700 acres of upland and wetland areas in Stanly County including approximately four linear miles of shoreline on Lake Tillery. Steep Piedmont Acidic Cliffrock outcrops, Piedmont Heath Bluff dominated by mountain laurel, and Dry- Mesic Oak-Hickory Forest with oaks, hickory, shortleaf pine, and Virginia pine communities characterized the habitat from Falls Dam to the Morrow Mountain State Park public boat ramp. River birch, water oak, red maple, pawpaw, giant cane, and river oats dominate these moist shoreline areas. The station has 65 percent forest canopy coverage with an estimated average height of 60 ft with three snags observed. Progress Energy primarily has only flowage easements along the shoreline of Morrow Mountain State Park. There are two wildlife inventory stations with one associated sample pointfor each station (Figure 3-3 and Table 3-1). The sample points are located in the Alluvial Forest community and the adjacent reservoir. 3.3.4 Tillery Dam Area/Great Blue Heron Colony This station includes sample sites both immediately above and below the Tillery Dam. The area immediately above Tillery Dam on the west shoreline of Lake Tillery is managed as a loblolly pine plantation. The understory is sparse and consists primarily of Japanese honeysuckle and anglers heavily use the area for bank fishing. The west shore area below the dam is a Piedmont Alluvial Forest dominated by mature plantation loblolly pines with an understory dominated with the non- native, invasive species Japanese honeysuckle and Chinese privet. There also are scattered areas of Mesic Oak-Hickory forest at this site including dominant canopy species of water oak, red oak, pignut hickory, and sweet gum. The understory consists primarily of American holly, flowering dogwood, pipsissewa (Chimaphila maculate) and arrowleaf heartleaf (Hexastylis arifolia). The station has approximately 85 percent forest canopy coverage with an estimated average height of 65 ft with six snags observed. There is an established great blue heron breeding colony in the loblolly pines along the west shoreline (i.e., loblolly pine plantation) adjacent to the tailrace area. Approximately 80 pairs of herons were counted in this growing breeding colony in 2004. A bald eagle nest has consistently been observed in this area overthe pastthree years. There is one wildlife inventory station and three associated sample points atthis site (Figure 3-3 and Table 3-1). The sample points are located inthe Alluvial Forest community within Project boundaries and one point also overlooks adjacent Lake Tillery just to the west of the dam. 3-17 Section 3 (...y` t r ~ ~ Site .w- : `(~ ++M~ii ty,';y~~y The Lake Tillery Dam tailwater during low flows. Notice large area of water willow and the foraging use by wading birds such as the great blue heron. The tailwater area for this survey extends 0.5 miles from the base of Tillery Dam to the NC Highway 731 bridge. Numerous rocks and emergent vegetation consisting of water willow and smartweeds (Periscaria spp.) are scattered in this tailwater area and are exposed primarily during low flow conditions when the power plant is not operating or it is generating at less than full load. This tailwater area is extensively used for foraging by a variety of wading and waterbirds including the great blue herons associated with the adjacent breeding colony. There is one station with one associated point overlooking the tailwater foraging area. 3.3.5 Leak Island Area Leak Island is located in Richmond County approximately six miles below the Tillery Dam and south of the confluence with the Rocky River. This island sits within the Pee Dee River at the northern boundary of the Pee Dee National Wildlife Refuge. Habitat consists primarily ofriverine, agricultural fields (e.g., corn), and a Mesic Mixed Hardwood riparian fringe consisting ofred maple, sycamore, water oak, red oak, muscadine, and poison ivy. Several large snags with cavities are located in this fringe. A bald eagle, along with several juveniles, has been commonly observed on Leak Island, although no nesting site has been found to date. There is one station with one associated point associated with Leak Island (Figure 3-3 and Table 3-1). 3.3.6 Pee Dee National Wildlife Refuge Area The Pee Dee National Wildlife Refuge straddles both sides of the Pee Dee River between Lake Tillery and Blewett Falls Lake in Anson and Richmond Counties below Leak Island down river to 3-18 Section 3 Site Descripti just above the NC Highway 109 Bridge. These approximately 8,843 acres are part oftheSavannah- Santee-Pee Dee Ecosystem comprising 3,000 acres ofbottomland hardwoods, 1,200 acres ofupland pine forest; and 4,300 acres of croplands, old fields, moist soil units and mixed pine hardwoods. Cooperative farming is associated with 1,150 refuge acres, with 20 percent of crops left in the field for wildlife food and cover. Steep river banks keep the fluctuating water level ofthe Pee Dee River from flooding the upper terraces except in extreme precipitation events. The west shore of the refuge consists ofPiedmont Bottomland Forest and Levee Forest dominated by canopy species such as red maple, hackberry, water oak, sycamore, sweetgum, and box elder. Understory vegetation such as giant cane, Christmas fern, Japanese honeysuckle, and poison ivy are common at this site. There is one wildlife inventory station with two associated sample points within this area. The sample points are located in the Bottomland/Levee Forest community and adjacent Pee Dee River (Figure 3-3 and Table 3-1). 3.3.7 Brown Creek Area The Brown Creek area, near the confluence with the Pee Dee River and within the Pee Dee National Wildlife Refuge, is similarto other upstream areas alongthe Pee Dee. Atthis site, steep river banks also keep the fluctuating water level ofthe river from floodingthe upper terraces except in extreme precipitation events. This areaconsists ofPiedmont Bottomland Forest and Levee Forest dominated by canopy species such as red maple, hackberry, water oak, sycamore, sweetgum, and box elder. Understory vegetation such as giant cane, Christmas fern, Japanese honeysuckle, and poison ivy are also common at this site. There is one wildlife inventory station with one associated sample point within this area (Figure 3-3 and Table 3-1). The sample point is located in the Levee Forest community and adjacent to Brown Creek. 3.3.8 Lower Little River Area The Lower Little River is listed by the North Carolina Natural Heritage Program as Regionally Significant primarily due to its large remaining natural tract of high quality bottomland with a high canopy diversity of hardwoods mixed with loblolly pines in this river terrace community (Sorrie 2001). The Little River enters the Pee Dee River just upstream of Blewett Falls Lake. A Piedmont Levee Forest community with river birch, sycamore, hackberry, and box elder along the shoreline gives way to aPiedmont Bottomland Forest inland and on the flatterraces about 8 to 15 ft above the river (Sorrie 2001). The bottomland forest consists of a canopy ofred maple, river birch, sycamore, hackberry, green ash, and sweetgum. Flowering dogwood, pawpaw, ironwood (Carpi~rus caroliniana), American holly, giant cane, Japanese honeysuckle, muscadine, poison ivy, and Chinese privet make up the subcanopy and understory. The station has approximately 70 percent forest canopy coverage with an estimated average height of 65 ft. At least nine snags with large cavity openings were observed. There is one wildlife inventory station with three associated sample points within this area (Figure 3-3 and Table 3-1). The sample points are located adjacent to the Levee Forest community. 3-19 Section 3 Site Photogl•aph of the Lower Little Ri~~er and the adjacent Levee Forest community. 3.3.9 Grassy Islands/Smith Lake/Water Tupelo Swamp Area The area known as the Grassy Island Complex occurs in the upper half of Blewett Falls Lake. This area supports a wide variety of communities on the numerous islands, sloughs, rocky slopes, vernal pools, and expansive bottomland floodplains that have formed naturally by river flo~Ts and sedimentation. The area has a mixture of managed loblolly pine plantation forests, slope forests, levee forests, emergent wetlands, and bottomland hardwood forests along the Pee Dee River shoreline. The complex is notable for its mixture of coastal plain and piedmontlmountain species co-existing side by side (Sorrie 2001). The Grassy Islands Complex is a natural area of Statewide Ecological Significance as designated by the North Carolina Natural Heritage Program. The North Carolina Natural Heritage Program states that very few intact bottomlands of any significant size remain in the Piedmont region. Thus, the Program has classified this system as Rare (S3} in the Piedmont. Project lands incorporate all Grassy Islands with significant acreage on the Richmond County side and only a narrow flowage easement along the west shore on the Anson County side. The vegetated islands of varying sizes (the largest is over one mile long} occur in the transitional area between the free-flowing Pee Dee River and Elewett Falls Lake. These islands formed as the river meandered, changed channels, and accompanying sediment loads were deposited. Within these original bottomlands were geomorphic features known as point bar/swale and natural levee deposits (tATharton et al. 1982}. Most sediment deposition, characteristicallyhigh in Piedmont rivers, occurs along the main channel waterways during the periodical overbank flooding. Materials (e.g., alluvial sands and silts) are eroded along the concave sides of the channel meanders and redeposited on the convex bends to form the point bars. During overbank flooding, small ridges of bed load deposition 3-20 Section 3 Site Descripti form a natural levee on the convex side of the meanders. Currently, the islands are the higher elevation areas of these original point bars and to some extent the natural levee formations. The wetlands associated withthe Grassy Islands and the associated floodplains alongthe mainland shoreline (including tributary floodplains of streams such as Mountain Creek and Coleman Creek) are generally classified as Piedmont Bottomland Forest and Levee Forest by the North Carolina Natural Heritage Program (Sorrie 2001; Schafale and Weakley 1990). Other specific communities such as Piedmont Swamp Forest, emergent marsh, and Floodplain Pool appear to be inclusions within this broader community type. Bottomland forests occur onthefloodplainridgesandterraces adjacent to the river channel. The hydrology or water regime in this system is typically seasonally flooded (i.e., surface water present for extended periods at certain times of the year). Although, semi-permanently, intermittently, and temporarily flooded areas are found within these bottomland areas. This area includes a series of ephemeral or vernal pools that occur within the slight depressions of the bottomland terrace. These perched vernal pools are typically fringed by large water tupelo and water hickory. These vernal pools can be seasonally flooded by the adjacent river. The vegetation associated with the bottomlands forests consist of a mature canopy of various trees such as sycamore, green ash, American elm, red maple, lowland hackberry, and cottonwood. These mature canopy trees were at least 80 to 100 years in age. No mature oaks were found on these bottomlands. The stations at this site typically have approximately 75 percent forest canopy coverage with an estimated average height of 65 to 70 ft. From 6 to 12 snags with large cavity openings were observed in this area. In most ofthe bottomlands, the shrub and vine layer consisted of muscadine, poison ivy, greenbriar, cross vine, black willow, and pawpaw. This shrub and vine layer varies in density depending on the local hydrologic conditions. The typical herb layer consisted false nettle, river oats, fleabane species (Erigeron spp.), Virginia dayflower, pennywort (Hydrocotyle verricillata), violet species, sedge species, giant cane, Pennsylvania smartweed, and marshpepper smartweed (P. hydropiper). The herb layer can be nonexistent to quite dense depending on the duration of standing water and the extent of canopy closure. Large monotypic areas of persistent southern wild rice or giant cut-grass (Zizaniopsis miliacea) are found among the islands in several protected coves and backwaters. These wetlands are a unique plant community in the Piedmont of North Carolina (Sorrie 2001). Wetland shrubs such as crimson- eyed mallow, buttonbush, and black willow are found along the fringes of these emergent areas. 3-21 Section 3 Site r~r V ~ . t•'=~ <, -~ „;¢y ,*. iii 1 ~'.,~ ~ -.. L r y . e ,~ 'i ti , ~ F S ~.('~ir u ~r ~ 9~' -?.~ r ~. Ilrf ~ ~ ~, ~ n r f,, ~}~,.i~;~!try~ '~{y~"' .: .C -.:r R~s ,t. 1~. ~, r ..fit ~•5 Yk .1 s1 :y. ~.. ..'. C ~~ i~ r~ ..~ _ s. N'~Cf~~?, ~f'.; 1T _,; ~~y, . ,i~t~ ;tea 2~„~~, 4 t .~»4 ~~ t {~~ °,t;~:,~ ~~ F ~ 1 r 1 - - -_ --~r_-__ _ _~;--_____ __ _ __ _ - _ - _-- ___ v-. Southern «iltl rice beds located «ztlun the Gi•ass~° Islands eomple~. Connected to the Pee Dee River by a narrow channel, the oxbow lake known as Smith Lake is thought to be an old historical channel of the Little River that has migrated over 1.5 miles to the north of Smith Lake. A mature water tupelo stand at the northern end of the oxbow lake, pzimarily along the west side of the oxbow, is a unique habitat in the North Carolina Piedmont (Sorrie 2401). The changing river course has left several channels or sloughs that are inundated and drained by the dynamic water level of the Pee Dee River in conjunction with power plant operations and inflow from natural precipitation events vrithin the basin. An estimated 300 Mater tupelos, with ages ranging from about 10 to 250+ years, populate the portion of the swamp area owned by Progress Energy. In addition to the water tupelo in and along the edges of the sloughs, red maple and water hickory on the slightly higher elevations characterize this healthy, self-sustaining wetland community. Although the shrub and herb layer is sparse within the sloughs due to frequent water inundation (i.e., semi-permanent), several commonherb species (e.g., lizard-tail, cleai~veed, inflated sedge, and pennywort) were identified in this area. On either side of the oxbow lake is a broad flat terrace above the 5- to 10-ft bank that supports the adjacent bottomland hardwood forest. The Grassy Islands complex is within the Project boundary (Figure 3-3 and Table 3-1). 3-22 Section 3 Site Descrioti `+1 i~ `' ~f ~ ~ '1... The water tupelo swamp associated with the Oxbow known as Smith Lake. 3.3.10 Blewett Falls Dam Area This area includes upland pine/hardwood forest above the Blewett Falls Dam and along the tailrace area. Mature canopy trees include sweet gum, loblolly pine, and water oak. Red cedar, flowering dogwood, and Japanese honeysuckle are common in the subcanopy and understory. The stations at this site typically have approximately 60 percentforest canopy coverage with an estimated average height of 55 ft. Few snags with cavities were observed in this area. This station also includes points overlooking the lake such as near the boat access area and a point overlooking the tailwater below the dam (Figure 3-3 and Table 3-1). For the past several years an eagle nest has consistently been observed in the area near the dam. 3.3.11 Pee Dee River Gabbro Slopes This North Carolina Natural Heritage Program State Significant natural area follows the eastern shore of the Pee Dee River in Richmond County below Walls Landing at Seaburn Branch to just below U.S. Highway 74. The unique geology of the area, gabbro rock which weathers to basic soils, supports good quality hardwood Basic Mesic Oak-Hickory forest and a drier Basic Oak-Hickory forest on rocky slopes (Sorrie 2001). This very diverse area also has a wide river terrace which supports good quality floodplain Piedmont Levee Forest with diverse canopy species, Piedmont Bottomland Forest; and two large marshy beaver ponds. Like most of the Pee Dee River megasite, this area is notable for its mixture of coastal plain and piedmontlmountain species coexisting. Predominant canopy species at this station include the tulip poplar, red maple, bitternut hickory, sycamore, overcup oak (Q. lyrata), red oak, and sweet gum. The subcanopy and understory includes winged elm, red maple, spicebush (Lindera benzoin), redbud, Chinese privet; giant cane, and white 3-23 Section 3 Site wood aster {Aster divarfcal'us). There is approximately 75 percent canopy closure at this station with two snags with nest cavities. Upper slopes have been converted to loblolly pine plantation. The southern edge of this unique site abuts the Hitchcock Creek Area. This station and associated four survey points are outside Project boundaries and the zone of operational influence, but were requested to be surveyed by stakeholders in the Terrestrial RWG due to its resource importance {Figure 3-3 and Table 3-1}. 3.3.12 Hitchcock Creek Area This area is located in Richmond County along the Pee Dee River below U. S. Highway 74, across a railroad track, to just below Hitchcock Creek. Listed as having Regional Significance by North Carolina Natural Heritage Program, the area supports several plant communities from a Piedmont Levee Forest of the numerous near-shore islands and banks along the floodplain of the Pee Dee River to a Basic Oak-Hickory Forest on the d1.y, upland slopes. Rocky slopes, steep ravines and floodplain forests flank Hitchcock Creek and portions ofthe Pee Dee River. Like the geology of the Gabbro Slopes Area, rare gabbro bedrock weathers to form relatively high pH soils. Along Hitchcock Creek to the confluence Frith the Pee Dee River, the alluvial forest is composed of sycamore, water oak, river birch, sweetgum, pignut hickory, red maple, and loblolly pine, with hornbeam, AmeiYCan holly, Florida maple, Uaccinium spp., pawpaw, Chinese privet, Christmas fern, arrowleaf heartleaf, and goldenrod {Solta'ago spp.} in the understory. The canopy closure at this site is approximately 75 percent. Upslope and away from the numerous ravines the area has been planted in loblolly pine. Hitchcock Creek/Pee Dee River Slopes is notable for its mixture of coastal plain and piedmont~mountain species coexisting {Sorrie 2441}. This station and associated four survey points are outside Project boundaries and the zone of operational influence but were requested to be 3-24 View of Gabbro Slopes Basic 11Zesic Oak Hickory Forest. Section Site sm~veyed by stakeholders in the Terrestrial RtttG due to its resource importance (Figure 3-3 and Table 3-1}. 3-2~ View of Hitchcock Creek Basic Alesic Oak-Hickory Forest. Section 4 -Methods The following section describes the methodologies associated with the various wildlife surveys conducted within the Blewett Falls Lake and Lake Tillery Project area. The methods associated with the bird, herpetile (reptiles and amphibians), and mammal surveys were agreed upon during the various terrestrial RWG meetings in 2003 and 2004. These methods are consistent with the RWG- approved study plan. These methods follow conventional wildlife survey techniques. 4.1 Birds Surveys for avian resources were conducted through use of point counts along established transects (Cooperrider et al. 1986; Ralph et al. 1993; Ralph et al. 1995). Point counts for avian species involved a qualified observer surveying at established sample points and recording all the birds seen and heard over aten minute period. The point counts for migratory species began near sunrise and continued throughthe day in an effortto capture both passerine and non-passerine species. Breeding bird surveys focused on the time period from sunrise through approximately 10:30 a.m. to coincide with the territorial males' peaksingingtime. The order in whichthe points were surveyed changed from survey to survey to reduce temporal bias. The approximate location of each bird detected was recorded on afield map along with notes on activity. This reduced the probability of recording the same individual more than once and was used to estimate the number of birds present at each point (i.e., relative abundance). Strip census or meander surveys were also conducted in the area of the point count surveys to bolsterthe probability of species occurrence. A strip census involves walking aline established through an area and recording individuals observed along the line. The point count stations were located in representative habitat areas within the entire Project area, areas within the zone of operational influence, or within the two areas (Gabbro Slopes and Hitchcock Creek) requested by stakeholders inthe Terrestrial RWG. Waterfowl and other waterbird survey points were located in or adjacenttowetland, tailrace, riverine, or shoreline areas in an effort to more accurately document these species. Additional significant areas such as the known great blue heron colony were also documented. Each station was visited twice during the spring migration period (early March through late May); twice during the breeding period (late May through late July); and four times during the fall migration period (mid-August through mid-December). A winter survey (mid-January) concentrating on waterbird and waterfowl species was also conducted along the waterbodies (i.e., reservoirs and riverine areas) and wetlands. The migration surveys during the spring and fall coincided with the passage of weather fronts (i.e., warm fronts in the spring and cold fronts in the fall) (Lincoln 1989). Surveys were not conducted when rain or wind interfered with the audibility of bird sounds, or when fog or rain interfered with bird identification. Species richness (total number of species) and abundance at each station point was determined. There were slight changes in original survey dates due to poor weather conditions, high water and several autumn tropical storms (September). However, these changes had no bearing on the verification of species orthe potential presence ofmost species. The majority of sites were surveyed at least once during the survey periods but most were surveyed two to three times. 4-1 Section 4 Methods 4.2 Mammals Surveys for mammals were conducted through use of visual encounter surveys along designated transects established during the survey. The visual encounter surveys were augmented through incidental observations and observations of sign of presence such as tracks, scat, and den areas. Mammal surveys were conducted concurrently with avian survey dates. 4.3 Reptiles and Amphibians Surveys for the aquatic species (frogs, salamander, and turtles) consisted of direct searches for egg masses and larval forms in any pool areas, searching shallow water zones for amphibians, and turning over rocks, debris, and litter to find both adults and larval amphibians. At least two, 2- to 3-hour nocturnal surveys were also conducted inthe study areato document breedingarnphibian use in the early spring. Limited dip-net and funnel trap sampling was conducted in the aquatic areas and the vernal pool areas. Terrestrial species such as lizards, snakes, and certain salamanders were surveyed through use of visual encounter surveys along designated transects established during the survey. The visual encounter surveys will be augmented through cover-object surveys (e.g., turning over rocks, logs and other debris). Surveys for both aquatic and terrestrial species were conducted through the appropriate breeding periods which can include early spring (i.e., late March) forthe vernal pool breeding species such as most mole salamanders and between June and September for the aquatic and terrestrial species. Survey forms were developed forthe study and include information on species numbers, life stages, habitat conditions, and survey conditions. determined. Species richness (total number of species) was 4.4 General Wildlife Resources The characterization of the existing wildlife community involved the techniques described above. This task was used to provide necessary information and help identify the representative wildlife species and habitats found in these areas. 4.5 Identify High Value Habitat Areas Areas within the Project boundary, within selected corporate landholdings (Gabbro Slopes and Hitchcock Creek), and in the zones of influence were reviewed and surveyed to identify those areas determined to be "high value wildlife habitat." These selected areas were evaluated based on plant community type, unique features, and the results of the wildlife inventories including species abundance and richness. The agency biologists and local experts were also contacted for information on additional habitats of importance. 4-2 Section 5 -Results and Discussion This section of the report is a compilation of the data that was gathered during the wildlife inventories. Surveys for wildlife resources were conducted in North Carolinafromthe Yadkin River just upstream of the Uwharrie River confluence through to downstream of Blewett Falls Lake (Figure 3-3). The 14 stations have a total of 44 individual sampling points located in 14 different habitat types. 5.1 Avian Resources The various habitat areas, associated with the Pee Dee River basin, provide excellent breeding, migratory stopover, and wintering habitat for a high diversity of bird species including both neotropical songbirds, resident species, waterbirds, and waterfowl. Species such as the prothonotary warbler (Prothonotary citrea), hooded warbler (Wilsonia citrina), yellow-throated warbler (Dendroica dominica), red-eyed vireo (Vireo olivaceus), Acadian flycatcher (Empidonax virescens), wood thrush (Hylocichla mustelina), yellow-billed cuckoo (Coccyzus americanus), pileated woodpecker (Dryocopus pileatus), red-bellied woodpecker (Melanerpes caroli~rus), wood duck (Aix sponsa), barred owl (Strix varia), wild turkey (Meleagris gallopavo), and red-shouldered hawk (Buteo lineatus) are indicative ofthe diverse habitats. Other species frequently observed alongthis river corridor include the northern rough-winged swallow (Stelgidopteryx serripennis), belted kingfisher (Ceryle alcyon), osprey (Pandion haliaetus), turkey vulture (Cathartes aura), and great blue heron (Ardea herodias). The river corridor, including both reservoirs and adjacent wetlands, also attracts a wide variety of waterfowl. Waterfowl species commonly observed in this area include the wood duck, green- wingedteal (Anas crecca), black duck (A rubripes), mallard (A. platyrhynchos), and Canada goose (Branta canadensis). These species are especially attracted to the flooded bottomlands and the southern wild rice stands within the larger coves. The Pee Dee National Wildlife Refuge, which is adjacent to the Pee Dee River between Lake Tillery and Blewett Falls Lake, is known and managed for its large number of wintering waterfowl. The Pee Dee River, including the Project area and the Pee Dee National Wildlife Refuge, is listed by the North American Waterfowl Management Plan (Atlantic Coast Joint Venture) as a North Carolina Focus Area(NAWMP undated). The bottomland hardwood forests and adjoining upland buffers are listed as high value habitats for black duck, mallard and the wood duck. The North CarolinaPartners in Flight (NCPIF 2005) have identified several priority bird species for bottomlands and forested wetlands. These species are primarily neotropical songbirds such as the Acadian flycatcher, hooded warbler, northern parnla, Prothonotary warbler, and wood thrush and are experiencing long-term devlines. The timing for the avian study was during the spring migration period (March 22 to May 14, 2004), the breeding period (May 25 to July 27, 2004), the fall migratory period (September 21 to November 30, 2004), and the winter period for winter migrants, residents and waterfowl (January 19, 2005). As shown in Table 5-1, there were 110 separate bird species observed during the surveys and an additional 12 species listed through incidental observations. A total of 216 species have been observed in the general area ofthe Project. The table contains the common name and alpha codes from the Bird Banding Laboratory (Patuxent 2005) and the scientific name (Alsop 2001) of each species. 5-1 Section 5 Results and Discussions Table 5-1 A list of bird species identified within or near the Yadkin- Project area. Pee Dee River Commou Name (AOU Code) CBC PDNWR CBC SCPD USGS Routes USFWS PDNWR NC Heritage program MMSP Progress bird Euergy List Wddlife Iuveutories Progress Euergy Iucideutal Observations Gr. White-Fronted Goose (GWFG) X Snow Goose (LSGO) X Canada Goose (CAGO) X X X X X X X Attantic Brant (ATBR) X Tundra Swan (WHSW) X X Wood Duck (WODU) X X X X X X X Gadwall (GADW) X X American Widgeon (AMWI) X X X X American Black Duck (ABDU) X X X X X Mallard (MALL) X X X X X X X Blue-winged Teal(BWTE) X X X X Northern Shoveler (NSHO) X X X X Northern Pintail (NSHO) X X X Am. Green-winged Teal (AGWT) X X X X X Canvasback (CANS X X Redhead (REDH) X X Ring-necked Duck (RNDU) X X X X X Greater Scaup (GRSC) X X X Lesser Scaup (LESC) X X X X X Buftlehead (BUFF) X X X X X Common Goldeneye (COGO) X X Hooded Merganser (HOME) X X X X Red-breasted Merganser (RBME) X X X X Ruddy Duck (RUDU) X X X X Wild Turkey X X X X X X X X Northern Bobwhite X X X X X X X X Red-throated Loon (RTLO) X Common Loon (COLO) X X X Pied-billed Grebe (PBGR) X X X X X Homed Grebe (HOGR) X X Double-crested Cormorant (DCCO) X X X X X X Anhinga (ANHI) X X X American Bittern IAMBI) X X X Least Bittern (LEBI) X X Great Blue Heron (GBHE) X X X X X X X Great Egret (GREG) X X X X X X Snowy Egret (SNEG) X X Little Blue Heron (LBHE) X X Tricolor Heron (Louisiana) (TRHE) X Cattle Egret (CAEG) X X X Green Heron (Green-backed) (GRHE) X X X X X X Black-crowned Night-Heron (BCNH) X X X Yellow-crowned Night-Heron(YCNH) X White Ibis (WHIB) X Glossy Ibis (GLIB) X Wood Stork (WOST) X Black Vulture (BLW) X X X X X X X Turkey Vulture (TUW) X X X X X X X X Osprey (OSPR) X X X X X X Mississippi Kite (MIKI) X X X Swallow-tailed Kite (STKI) X 5-2 Section 5 Results and Discussions NC MMSP Progress Progress CBC CBC USGS USFWS Euergy Euergy Commou Name (AOU Code) PDNWR SCPD Routes PDNWR Heritage bird Wddlife Iucideutal program List Iuveutories Observations Bald Eagle (BAEA) X X X X X X X Northern Harrier (NOHA) X X X X X Sharp-shinned Hawk (SSHA) X X X X X Cooper's Hawk (COHA) X X X X X X X Red-shouldered Hawk (BSHAI X X X X X X X X Broad-winged Hawk (BWHA) X X X X X X Red-tailed Hawk (RTHA) X X X X X X X Golden Eagle (GOEA) X American Kestrel (AMKE) X X X X X X Merlin (MERE) X Peregrine Falcon (PRFA) X X Black Rail (BLRA) X King Rail (KIRA) X Virginia Rail (VIRA) X Purple Gallinule (PUGA) X Common Moorhen (COMO) X X X American Coot (AMCO) X X X X Killdeer (KILL) X X X X X X Greater Yellowlegs (GRYE) X X Lesser Yellowlegs (LEYE) X X X Solitary Sandpiper (SOSA) X X Spotted Sandpiper (SPSA) X X X Upland Sandpiper (UPSA) X Least Sandpiper (LESA) X X Short-billed Dowitcher (SBDO) X Common Snipe (COSN) X X X X American Woodcock (AMWO) X X X X X X Bortaparte's Gull (BOGU) X X X Rine-billed Gull (BBGUI X X X X X X Herrine Gull (HERGI X X X X Black Tem (BETE) X Rock Pigeon (Dove) X X X X X X Mourning Dove (MODO) X X X X X X X X Black-billed Cuckoo (BBCU) X X Yellow-billed Cuckoo (YBCU) X X X X X X Barn Owl (BNOW) X X X Eastern Screech-Owl (EASO) X X X X X X Great Homed Owl (GHOW) X X X X X X Barred Owl (BDOW) X X X X X X X Common Nighthawk (CONI) X X X Chuck-wiles-widow(CW WI) X X X X X X Whip-poor-will (WPWI) X X X X CMmnevSwift(CHSWI X X X X X Ruby-throated Hummingbird (RTHU) X X X X Belted Kingfisher (BEKI) X X X X X X X Red-bellied Woodpecker (RBWO) X X X X X X X X Yellow-bellied Sapsucker (YBSA) X X X X X Downy Woodpecker (DOWO) X X X X X X X Hairv Woodpecker (HAWOI X X X X X X Red-cockaded Woodpecker (RCWO) X X X X Yellow-shafted Flicker (YSFL) X X X X X X Eastern Wood-Peewee (EAWP) X X X X X 5-3 Section 5 NC MMSP Progress Progress CBC CBC USGS USFWS Euergy Euergy Commou Name (AOU Code) PDNWR SCPD Routes PDNWR Heritage bird Wddlife Iucideutal program List Iuveutories Observations Yellow-bellied Flycatcher (YBFL) X Acadian Flycatcher (ACFL) X X X X X X Eastern Phoebe (EAPH) X X X X X X Great Crested Flycatcher (GCFL) X X X X X X X Eastern Kingbird (EAKII X X X X X Loggerhead Skuike (COSH) X X X X X X White-eyed Vireo (WEVI) X X X X X X Blue-headed Vireo (Solitary) (BHVI) X X X X X X X Red-eyed Vireo (REVD X X X X X X Blue Jay (BLJA) X X X X X X X American Crow (AMCRI X X X X X X Fish Crow (FICR) X X X X X X X X Tree Swallow (TRESI X X X No. Rough-winged Swallow (NRWS) X X X X Cliff Swallow (CLSW) X X Barn Swallow (BARS) X X X X X Carolina Chickadee (CACH) X X X X X X X Tufted Titmouse (ETTI) X X X X X X Red-breasted Nuthatch (RBNU) X X X X X White-breasted Nuthatch (WBMU) X X X X X X X Brown-headed Nuthatch(BHNU) X X X X X Brown Creeper (BRCR) X X X X Carolinta Wren (CARW) X X X X X X X House Wren (HOWR) X X X X X Winter Wren (WIWR) X X X X X Sedge Wren (SEWRI X Marsh Wren (MAWRI X Golden-crowned Kinglet (GCKI) X X X X X Ruby-crowned Kinglet (RCKI) X X X X X Blue-gray Gnatcatcher (BGGN) X X X X X X Eastern Bluebird (EABL) X X X X X X X Swainson's Thrush (SWTH) X X Hermit Thrush (HETH) X X X X X X Wood Thrush (WOTH) X X X X X X American Robin (AMRO) X X X X X X Gray Catbird (GRCA) X X X X X X X Northern Mockingbird (HOMO) X X X X X X Brown Thrasher (BRTH) X X X X X X European Starling (EUST) X X X X X X X American Pinit (AMPII X X X Cedar Waxwing (CEDW) X X X X X Orange-crowned Warbler (OCWA) X X Yellow Warbler (YWAR) X X X X Chestnut-sided Warbler (CSWA) X X Magnolia Warbler (MAWA) X X X Cane Mav Warbler (CMWAI X Black-throated Blue Warbler (BTBW) X X Yellow-romped Warbler (UYRW) X X X X X X Results and Discussions Yellow-throated Warbler (YT WA) X X X X X 5-4 Section 5 Results and Discussions NC MMSP Progress Progress CBC CBC USGS USFWS Euergy Euergy Commou Name (AOU Code) PDNWR SCPD Routes PDNWR Heritage bird Wddlife Iucideutal program List Iuveutories Observations Pine Warbler (PIWA) X X X X X X X Prairie Warbler (PRAW) X X X X Palm Warbler (YPWA) X X X X Blackpoll Warbler (BLPW) X X Black and White Warbler (BAW Wl X X X X X X American Redstart (AMRE) X X X X Prothonotary Warbler (PROW) X X X X X Worm-eating Warbler (WEWA) X Swainson's Warbler (SW WA) X X Ovenbird (OVEN) X X X X X X Northern Waterthrush (NOWA) X Louisiarta Waterthrush (LOWA) X X X X Kentucky Warbler (KEWA) X X Common Yellowthroat (COYE) X X X X X X X Hooded Warbler (HOWA) X X X X X X Canada Warbler (CAWA) X Yellow-breasted Cktat (YBCH) X X X X X X Summer Tanager (SUTA) X X X X X X Scarlet Tanager(SCTA) X X X X X Eastern Towhee (EATO) X X X X X X X Bachman's Sparrow (BAGS) X X X American Tree Sparrow (AT SP) X CMpping Sparrow (CHSP) X X X X X X Field Sparrow (FISP) X X X X X X X Vesper Sparrow (VESP) X X Lark Sparrow CLASP) X X Savannah Sparrow (SANS) X X X X Grasshopper Sparrow (GRSP) X X X X X Henslow's Sparrow (HESP) X Seaside Sparrow (SESP) X Fox Sparrow (FOSP) X X X X Song Sparrow (SOSP) X X X X X X X Lincoln's Sparrow (LISP) X Swamp Sparrow (SWSP) X X X X White-throated Sparrow (WTSP) X X X X X X White-crowned Sparrow (EWCS) X X Dark-eved Junco (UDEJI X X X X X Northern Cardirtal (NOCA) X X X X X X X X Rose-breasted Grosbeak (RBGR) X X Blue Grosbeak (BLGR) X X X Indigo Bunting (INBU) X X X X X X Bobolink (BOBO) X X Red-winged Blackbird (RWBL) X X X X X X X Eastern Meadowlark (EAME) X X X X X X X X Brewer's Blackbird BRBLI X X Common Grackle (COGR) X X X X X X X Brown-headed Cowbird (BHCO) X X X X X X Orchard Oriole (ORORI X X X X Baltimore Oriole (BAOR) X X X Purple Finch (PUFI) X X X X Red Crossbill (RECR) X 5-5 Section 5 Results and Discussions NC MMSP Progress Progress Commou Name (AOU Code) CBC CBC USGS USFWS Heritage bird Euergy Euergy PDNWR SCPD Routes PDNWR program List Wddlife Iucideutal Iuveutories Observations Pine Siskin (PISI) X X X X American Goldfinch (AMGO) X X X X X X Evening Grosbeak (EVGR) X X X X House Sparrow (HOSP) X X X X X X NOTES - AOU: American Ornithologists Union bird order, 7th Edition, 44th Supplement. - CBC PDNWR: Christmas Bird Count Historical Pee Dee National Wildlife Refuge. - USGS Breeding Bird Survey routes: North American Breeding Routes NC17, NC 207, NC215, NC216, NC 900, NC 904, SC 900. - USFWS PDNWR: Birds of Pee Dee National Wildlife Refuge. - NC/SC Heritage Program: Montgomery County Natural Heritage Inventory, Natural Areas Inventory for Richmond County and the North Carolina Natural Heritage Program County element occurrence database by county (Anson, Montgomery, Richmond, and Stanly Counties, North Carolina). - MMSP bird list: Checklist for the 169 known species of bird at Morrow Mountain State Park. The total number of birds observed by Progress Energy (i.e., species abundance) and the total number of species (i. e., species richness) were tabulated (Table 5-2). The total bird count includes the number of birds observed within the 50-meter circular plot; and the number of birds observed outside the 50-meter circular plot within the 10-minute sampling period; and miscellaneous observations, which were observations of birds outside the 10-minute sampling period. The total species count includes all bird species observed within the 50-meter circular plot and all bird species outside the 50-meter circular plot; and miscellaneous species observations. The total number of birds observed during the surveys was approximately 4,811 individual birds. Table 5-2 Total number of individual birds and species Der survey period. Survey Period Total Number of Birds Total Number of Species Spring Migration 1,876 64 Breeding 563 65 Fall Migration 1,225 50 Winter 1,147 37 Total 4,811 5.1.1 Spring Migration Survey Spring bird abundance was high in several habitat areas, including tailraces, Piedmont Bottomland Forest, Mesic Mixed Hardwood Forest, and Basic Oak-Hickory Forests with the highest abundance at the Lake Tillery Tailrace, Lake Tillery/iJwharrie River, and Blewett Falls Lake (Table 5-3 and Figure 5-1). The tailraces provide foraging habitat for several migratory and resident waterbirds including gulls, cormorants, and herons. Transitions between the habitat types in these areas also provides habitat for species that prefer forest edges, as well as species that prefer open water habitats. Birds with high abundance in the spring season include the double-crested cormorant (Phalacrocorax auritus), ring-billed gull (Carus delawarensis), American goldfinch (Carduelis tristas), cliffswallow (Hirundo pyrrhonota), Bonaparte's Gull (Carus Philadelphia), American crow (Corvus brachyrhynchos), Carolina wren (Thryothorus ludovicianus), great blue heron (Ardea herodias), and eastern tufted titmouse (Baeolophus bicolor) (Figure 5-2). 5-6 Section 5 Results and Discussions Table 5-3 Total bird abundance and species richness during spring surveys by station, point, and macrosite habitat-type combinations. Bird Spring Spring Bird Survey Station Survey Habitat Type Abundance Species Point Richness Piedmont BottomlandBasic Oak- Hitchcock Creek WPT034 21 11 Hickory Forest PiedmontBottomlandBasic Oak- Hitchcock Creek WPT035 24 13 Hickory Forest Piedmont BottomlandBasic Oak- Hitchcock Creek WPT036 18 14 Hickory Forest Total Station 63 Mean = 12.7 Piedmont BottomlandBasic Oak- Gabbro Slopes WPT030 16 11 Hickory Forest Piedmont BottomlandBasic Oak- Gabbro Slopes WPT031 31 15 Hickory Forest Piedmont BottomlandBasic Oak- Gabbro Slopes WPT032 15 10 Hickory Forest Piedmont BottomlandBasic Oak- Gabbro Slopes WPT033 17 11 Hickory Forest Total Station 79 Mean = 12.0 Blewett Falls Dam WPTOl Reservoir/Mesic Oak-Hickory Forest 47 6 Blewett Falls Dam WPT02 Tailrace 177 10 Blewett Falls Dam WPT03 Reservoir/Mesic Oak-Hickory Forest 69 9 Total Station 293 Mean = 83 Grassy Islands WPTOl l Piedmont Bottomland Forest 18 8 Grassy Islands WPT012 Piedmont Bottomland/Levee Forest 18 10 Mountain Creek WPT016 Piedmont Bottomland Forest 21 7 Mountain Creek/S Rice . WPT017 Piedmont Bottomland Forest 37 12 Beds Smith Lake WPT07 Oxbow Lake 17 7 Oxbow/Tupelo Swamp Smith Lake WPT06 Oxbow Lake 16 12 Oxbow/Tupelo Swamp Total Station 127 Mean = 93 Lower Little River WPT 023 Piedmont Bottomland Forest 21 10 Lower Little River WPT 022 Piedmont Bottomland Forest 13 10 Lower Little River WPT 021 Piedmont Bottomland Forest 20 10 Total Station 102 Mean = 10.0 Lake Tillery Dam WPT029 Riverine Tailrace 507 5 Lake Tillery Dam WPT026 Mesic Mixed Hardwood Forest 29 11 Mesic Mixed Hardwood Lake Tillery Dam WPT027 123 14 ForestBeservoir Total Station 659 Mean = 10.0 Lake Tillery /Uwharrie WPT038 Piedmont Bottomland Forest 229 12 River Lake Tillery /Uwharrie WPT039 Piedmont Bottomland Forest 21 16 River Lake Tillery /Yadkin Mesic Mixed Hardwood WPT042 351 6 River ForestBeservoir Total Station 601 Mean = 113 5-7 Section 5 Results and Discussions U ~a c 7 a Q GO c .~ c N Macrosite !~• ea Figure 5-1 Total spring bird abiuidance by habitat macrosite. O Lake 'Tillery D am ^ Lake 'ISllery ^Lower Pee Dee ^ Grassy Islands ^ Gabbro Slopes ^Hitchcock Creek ^ Pee D ee River 5-8 Section 5 Results and Discussions c G K e; a R d .~ 0.1 Figure 5-2 Spring migration bird relative abundance-top 10 species. DCCO-Double Crested Cormorant RBGU-Rfng-billed Gull AMGO-American Goldfinch CLSGV-Cliff Swallow BOGU-B onaparte's Gul I AMCR-Ame~•ican C'IYJW C ARt\'-Carolina Wren GBHE- Cn•eat Blue Heron TLTV[J-Turkey Vulture ETTI-Eastern Tufted Tihnouse 5-9 DCCO RBGU AMGO CLSW BOGU AMCR CARW GBHE TUVU ETTI Su•d Species (AOU Code) Section 5 Results and Discussions Spring species richness was observed as highest in the large contiguous forested habitats such as the Hitchcock Creek, Gabbro Slopes, the Blewett Falls Dam area, and the Lake Tillery/iJwharrie area (Table 5-3 and Figure 5-3). The individual points with the highest species richness include those in the Hitchcock Creek, Gabbro Slopes, Blewett Falls Dam area, and the Lake Tillery/iJwharrie River areas (Figure 5-4). 5.1.2 Breeding Survey Breeding bird abundance was high in several habitat areas, includingtailraces,Piedmont Bottomland Forest, Mesic Mixed Hardwood Forest, and Basic Oak-Hickory Forests with the highest abundance at the Grassy Island complex, Pee Dee River areabetween Lake Tillery and Blewett Falls Lake, and the Gabbro Slopes area (Table 5-4 and Figure 5-5). Transitions between the habitat types in these areas provide habitat for species that prefer forest edges, as well as species that prefer open water habitats. Birds with high abundance in the breeding season include the red-eyed vireo (Vireo olivaceus), blue-gray gnatcatcher (Polioprila caerulea), American crow, Prothonotory warbler (Protonotaria citrea), cliff swallow, barn swallow (Hirundo rusrica), Carolina wren, northern cardinal (Cardinalis cardinalis), tufted titmouse, and double-crested cormorant (Figure 5-~. Several of these species including the red-eyed vireo, blue-gray gnatcatcher, and Prothonotary warbler are neotropical migrants that prefer large tracts of contiguous forest (i.e., the Grassy Islands bottomlands) for breeding. Breeding species richness was observed as highest in the forested habitats adjacent to the various waterbodies such as the Pee Dee River (e.g., Lower Little River area), the Lake Tillery/iJwharrie area, and Blewett Falls Dam but was also high in large contiguous forested habitats such as the Gabbro Slopes (Table 5-4 and Figure 5-7). Species such as the Prothonotary warbler, hooded warbler (Wilsonia citrina), yellow-throated warbler (Dendroica dominica), red-eyed vireo, Acadian flycatcher (Empidonax virescens), wood thrush (Hylocichla mustelina), yellow-billed cuckoo (Coccyzus americanus), pileated woodpecker (Dryocopus pileatus), red-bellied woodpecker (Melanerpes carolinus), wood duck (Aix sponsa), barred owl (Strix varia), and red-shouldered hawk (Buteo lineatus) are indicative ofthese communities. The individual points withthe highest species richness include those in the Gabbro Slopes, Blewett Falls Dam area, Grassy Islands, and the Pee Dee River (Figure 5-8). The bird species observed during the breeding surveys are indicative ofthe habitat types present in the Project area. 5.1.3 Fall Migration Bird abundance during the fall migration period was high in habitat areas such as the Lake Tillery tailrace, Piedmont Bottomland Forest (e.g., Grassy Islands), Pee Dee River area between Lake Tillery and Blewett Falls Lake, and the Gabbro Slopes area (Table 5-5 and Figure 5-9). These habitats provide quality foraging and stopover (i.e., resting) habitats. Birds with high abundance during the fall migration season include the double-crested cormorant, great blue heron (Ardea herodias), mallard (Anas platyrhynchos), American crow, red-winged blackbird (Agelaius phoeniceus), Canada goose (Branta candensis), American black duck (A. rubripes), wood duck (Aix sponsa), and blue jay (Cyanocitta cristata) (Figure 5-10). Several ofthese species are waterbird and waterfowl that use the tailrace and wetland areas such as the emergent rice beds for foraging and cover habitats. 5-10 Section 5 Results and Discussions N W d C .C v N U m a N C 0 `~ L ~_ C .C a N Niaca•osite Area Figure 5-3 Spring bird species richness by habitat macrosite. ^Hitchcock CYeek ^Blewett Falls Dam ^ Gabbro Slopes ^ Lake TSllery ^Lake'ISlleiy Dam O Pee D ee River 5-11 Section 5 Results and Discussions Vl VI U_ m U d N Survey Points ^ Lake TlllerylUwhazrie (\UPT'039) ^ Crabbro Slopes (WPT031) ^LakeTilleryDam (WP'In27) ^Hitchcock G5'eek (WP'It)36) ^ Iti4ountain Creek/P.ice Beds (~nIP"I'017) ^ Smith Lake Owbow•;Tt~pelo (~xIP'IU7) ^ Lake TIIIerylUwhazrie (WPTD38) ^ Cmbbro Slopes (~~JPT'030) ^ Crabbro Slope (WP'In33) Figure 5-4 Highest bird species i-iclmess for spring season bj~ posit. 5-12 Section 5 Results and Discussions Table 5-4 Total bird abundance and species richness during breeding surveys by station, poin t, and macrosite habitat-type combinations. Bird Breeding Breeding Bird Survey Station Survey Habitat Type Species Abundance Point Richness Hitchcock Creek WPT034 Piedmont BottomlandBasic Oak-Hickory 20 11 Forest Hitchcock Creek WPT035 Piedmont BottomlandBasic Oak-Hickory 12 11 Forest Hitchcock Creek WPT036 Piedmont BottomlandBasicOak-Hickory 17 7 Forest Total Station 49 Mean = 9.7 Gabbro Slopes WPT030 Piedmont BottomlandBasic Oak-Hickory 27 21 Forest Gabbro Slopes WPT031 Piedmont BottomlandBasic Oak-Hickory 16 12 Forest Gabbro Slopes WPT032 Piedmont BottomlandBasic Oak-Hickory 18 12 Forest Gabbro Slopes WPT033 Piedmont BottomlandBasic Oak-Hickory 22 16 Forest Total Station 83 Mean =133 Blewett Falls Dam WPTOl Reservoir/Mesic Oak-Hickory Forest 20 11 Blewett Falls Dam WPT02 Tailrace 48 14 Blewett Falls Dam WPT03 Reservoir/Mesic Oak-Hickory Forest 8 5 Total Station 76 Mean =10.0 Grassy Islands WPT09 Piedmont Bottomland Forest 16 9 Grassy Islands WPTOl l Piedmont Bottomland Forest 14 8 Grassy Islands WPT012 Piedmont Bottomland/Levee Forest 16 13 Grassy Islands WPT013 Piedmont Bottomland/Levee Forest 14 9 Grassy Islands WPT014 Piedmont Bottomland Forest 16 16 Grassy Islands/S. WPTO15 Piedmont Bottomland Forest 13 10 Rice Beds Mountain Creek WPT016 Piedmont Bottomland Forest 44 11 Mountan Creek/S. WPT017 Piedmont Bottomland Forest 14 14 Rice Beds Smith Lake WPT07 Oxbow Lake 11 7 Oxbow/Tupelo Swamp Smith Lake WPT06 Oxbow Lake 8 5 Oxbow/Tupelo Swamp Total Station 166 Mean = 9.6 Lower Little River WPT 023 Piedmont Bottomland Forest 19 14 Lower Little River WPT 022 Piedmont Bottomland Forest 19 13 Lower Little River WPT 021 Piedmont Bottomland Forest 20 14 Browns Creek WPT020 Piedmont Bottomland Forest 15 9 Pee Dee NWR WPT045 Piedmont Bottomland Forest 17 11 Leak Island WPT019 Piedmont Bottom land Forest 12 8 Total Station 102 Mean =11.5 Lake Tillery Dam WPT029 Riverine Tailrace 22 8 Lake Tillery Dam WPT025 Mesic Mixed Hardwood Forest 10 8 Lake Tillery Dam WPT026 Mesic Mixed Hardwood Forest 12 10 Lake Tillery Dam WPT027 Mesic Mixed Hardwood ForesUReservoir 12 11 Total Station 56 Mean = 93 5-13 Section 5 Results and Discussions Bird Breeding Bird Survey Station Survey Habitat Type Breeding Species Abundance Point Richness Lake Tillery WPT038 Piedmont Bottomland Forest /Uwharrie River 14 13 Lake Tillery WPT039 Piedmont Bottomland Forest /Uwharrie River 16 13 Lake Tillery /Yadkin WPT041 Mesic Mixed Hardwood Forest/Reservoir River 17 11 Lake Tillery /Yadkin WPT042 Mesic Mixed Hardwood Forest/Reservoir River 28 8 Total Station 75 Mean =113 5-14 Section 5 Results and Discussions ~.~e .~ 0.1 nn c ~. 0.1 Macrosite Area Figure 5-5 Total breedvig bird abundance by habitat ~nacrosite. ^ cirassy Islands ^ Pee Dee River ^ Cmbbro Slopes ^ Lovver Pee Dee River ^ Lake Tillery• ^ Lake Tillery Dam ^ Hitchcock Creek 5-15 Section 5 Results and Discussions d u R C R t a; d .~ a ax m `c F Figure 5-6 Breedvig bird relative abundance-top 10 species. REPI-Red-eyed Vireo BGGN-Blue-gray Cmatcatche< f1MCR-~Lne~ican Glow PROW-Protlionotaty \Varbler CL SW-Cliff Stivallow BARS-Barn Stivallow CARW-Carolina Wren NOCA-Northern Cat dinal ETTI-Eas4em Tufted Titmouse DCCO-Double-Crested Comorant 5-16 REVI BGGN AMCR PROW CLSW BARS CARW NOCA ETTI DGCO I~rd Species (AOU Code) Section 5 Results and Discussions m c x yyV ~V m ~V d a rn lbiacrosite Area Figure 5-7 Breedvig bird species richness by habitat macrosite. ^Gabbro Slopes ^Pee Dee River ^Lake Tillery ^Blewett Falls Dam ^Hitchcock Creek ^ Grassv Islands ^Lake Tillery Dam 5-17 Section 5 Results and Discussions i a ~, m .~ m a Survey Points ^ Gabbro Slope (~~'PTT330) ^ Crabbro Slope (WPTD33) ^ Blewett Falls Dam (WP'I.02) ^ Mnt Creek/Ri ce Beds (\§'PT017) ^ Grassy Islands (VdPTD13) ^ Lower Little River (~vPT'023) ^ Lotiver Little River (~WPT'021) ^ Grassy Islands (WP'Ini2) ^ Lower Little River (~?~IPT022) ^ Lake Tiller}=tUrvliarrieRwer (`NPT'038) ^ Lake Tiller}=~'U~vharrie River (~~v'PTD'39) Figure 5-$ Highest bird species richness for breeding season by point. 5-1R Section 5 Results and Discussions Table 5-5 Total bird abundance and species richness during fall migration surveys by station, poin t, and macrosite habitat-type combinations. Bird Fall Fall Species Bird Survey Station Survey Habitat Type Ab undance Richness Point Hitchcock Creek WPT034 Piedmont BottomlandBasic Oak-Hickory 1 1 Forest Hitchcock Creek WPT035 Piedmont BottomlandBasic Oak-Hickory 22 12 Forest Hitchcock Creek WPT036 Piedmont BottomlandBasic Oak-Hickory 8 4 Forest Total Station 31 Mean = 5.7 Gabbro Slopes WPT030 Piedmont BottomlandBasic Oak-Hickory 48 17 Forest Gabbro Slopes WPT031 Piedmont BottomlandBasic Oak-Hickory 15 12 Forest Gabbro Slopes WPT032 Piedmont BottomlandBasic Oak-Hickory 14 12 Forest Gabbro Slopes WPT033 Piedmont BottomlandBasic Oak-Hickory 25 12 Forest Total Station 102 Mean = 6.6 BlewettFalls Dam WPTOl Reservoir/Mesic Oak-Hickory Forest 27 17 BlewettFallsDam WPT02 Tailrace 35 11 BlewettFalls Dam WPT03 Reservoir/Mesic Oak-Hickory Forest 21 7 Total Station 76 Mean = 7.0 Grassy Islands WPT09 Piedmont Bottomland Forest 16 8 Grassy Islands WPTOl l Piedmont Bottomland Forest 11 6 Grassy Islands WPT012 Piedmont Bottomland/Levee Forest 15 9 Grassy Islands WPT013 Piedmont Bottomland/Levee Forest 51 22 Grassy Islands WPT014 Piedmont Bottomland Forest 61 15 Grassy Islands/S. WPTO15 Piedmont Bottomland Forest Rice Beds 24 14 Mountain Creek WPT016 Piedmont Bottomland Forest 24 14 Mountain Creek/S WPT017 Piedmont Bottomland Forest . Rice Beds 36 13 Smith Lake WPT07 Oxbow Lake Oxbow/Tupelo 22 12 Swamp Smith Lake WPT06 Oxbow Lake Oxbow/Tupelo 28 6 Swamp Total Station 305 Mean = 6.6 Lower Little River WPT 023 Piedmont Bottomland Forest 19 6 Lower Little River WPT 022 Piedmont Bottomland Forest 10 3 Lower Little River WPT 021 Piedmont Bottomland Forest 9 6 Brown Creek WPT020 Piedmont Bottomland Forest 21 7 Pee Dee NWR WPT045 Piedmont Bottomland Forest 164 7 Leak Island WPT019 Piedmont Bottom land Forest 68 9 Total Station 291 Mean = 6.3 Lake Tillery Dam WPT029 Riverine Tailrace 236 10 Lake Tillery Dam WPT025 Mesic Mixed Hardwood Forest 32 14 Lake Tillery Dam WPT026 Mesic Mixed Hardwood Forest 17 12 Lake Tillery Dam WPT027 Mesic Mixed Hardwood Forest/Reservoir 98 20 Total Station 383 Mean = 4.7 5-19 Section 5 Results and Discussions Bird Fall Fall Species Bird Survey Station Survey Habitat Type Abundance Richness Point Lake Tillery WPT038 Piedmont Bottomland Forest /Uwharrie River 5 5 Lake Tillery WPT039 Piedmont Bottomland Forest /Uwharrie River 15 9 Lake Tillery /Yadkin WPT041 Mesic Mixed Hardwood Forest/Reservoir River Lake Tillery /Yadkin WPT042 Mesic Mixed Hardwood Forest/Reservoir River Total Station 30 Mean = 53 5-20 Section 5 Results and Discussions ^ Lake Ttilery Dam ^ Grassy Islands ^ Pee Dee River ^ Gabin o Slopes ^ Lower Pee Dee River ^ Hitchcock Creek ^ Lake Tillery Macrosite area Figure 5-9 Total fall migration bird abundance by habitat macrosite. 5-21 Section 5 Results and Discussions c se c e; K rx cyv 0 F Bird Species (AOII Cade) Figure 5-1Q Fall migration bird relative abmidance-top 10 species. DCCO-Double-Crested Cormorant GBHE-Cheat Blue Heron 1VIALL•IvIallard A1t~ICR-American Crow R«BL-Red-winged Blackbird CAGO-Canada Goose ABDU-American Black Duck WODU-Wood Duck BL JA-Blue Tay 5-22 Drip='~=~ ~.:RHE. NftaLL AMC'R RWBL C.~.GO ABDU WODU BLS ~. Section 5 Results and Discussions Fall migration species richness was again highest in the forested habitats adjacent to the various waterbodies such as the Blewett Falls Dam area, the Grassy Islands, and Pee Dee River butwas also high in large, contiguous forested habitats such as the Gabbro Slopes (Table 5-5 and Figure 5-11). Species such as the great blue heron, fish crow (Corvus ossifragus), belted kingfisher (Ceryle alcyon), American robin (Turdus migratorius), and yellow-shafted flicker (Colaptes auratus) were frequently observed in these areas. The individual points with the highest species richness include those in the Blewett Falls Dam area, Gabbro Slopes area, Grassy Islands, and the Pee Dee River (Figure 5-12). There was a noticeable absence of shorebirds (besides a few killdeer and spotted sandpipers) throughoutthe Project area duringthe 2004 fall migratory period. This absence maybe due to the tropical storms passing through the Project area during the migratory period. However, large migrating flocks of sandpipers including least sandpipers, solitary sandpipers, and greater yellowlegs have been observed at Blewett Falls Lake in past years. 5.1.4 Winter Period Bird abundance during the winter survey period was high in habitat areas such as the open water of the Pee Dee River between Lake Tillery and Blewett Falls Lake and the upper Lake Tillery area (Table 5-6 and Figure 5-13). These habitats provide quality loafing (i.e., resting) and foraging habitats for waterfowl and waterbird species. Birds with high abundance during the winter season include the ring-billed gull, mallard, wood duck, American crow, blue jay, and Bonaparte's gull (Figure 5-14). Several of the species, such as the ring-billed gull and mallard, were found in large foraging or loafing flocks. Winter species richness was again highest in the forested habitats adjacent to the various waterbodies such as the Grassy Islands and Lake Tillery Dam but was also high in large, contiguous forested habitats such as Hitchcock Creek (Table 5-6 and Figure 5-15). Species such as the wood duck, mallard, American black duck, double-crested cormorant, great blue heron, American crow, blue jay, Eastern tufted titmouse, ruby-crowned kinglet, and white-throated sparrow were frequently observed in these areas. Winter bird species richness is typically less than the breeding and migratory indices due to the loss ofthe large neotropical songbird component and due to the fact that most of the passerine species (e. g., woodpeckers, chickadees, titmice, kinglets, pine warblers, bluebirds) are in large, mixed roving foraging flocks. 5.1.5 Other Avian Resources In addition to the above-mentioned surveys, field surveys were conducted of the great blue heron nesting colony located adjacentto the Lake Tillery tailrace. The nesting habitat (rookery) is located in the loblolly pine stand along the west shoreline overlooking the Tillery tailwater. Foraging habitat for this colony is located in the tailwater area below the dam. The tailwater and adjacent shoreline below Tillery Dam provides food, cover, and nesting habitat for both adults and juvenile birds through most of the year. The number of great blue heron and other wading birds present in this tailwater area is dependent on the flow (no units or one unit in operation) and subsequent tailwater elevation (CP&L 2001 and 2002b). With a lower water level, more wading birds use this habitat area. Observations suggestthat the low flows provide better foraging and habitat conditions than the higher and swifter flows. During the low flows, numerous pools with prey species are provided within the exposed rock outcrops and emergent vegetation. 5-23 Section 5 Results and Discussions ^Blewett Falls Dam ^Grassy Islartds ^Gabbro Slopes ^ Pee Dee River ^Hitchcock Creek ^ Lake Tillery ^ Lake Tillery Dam A~iacrosite ~r•ea Figure 5-11 Fall migration species richness b`r habitat macrosite. 5-24 Section 5 Results and Discussions d v d .~ d c. Survey Points ^Gabbro Slopes (SNPT'013) ^ Lake Tillery Dam (WPT027) ^ Gabbro Slopes (WPT030) ^ Blewett Falls Dam (WP'I01) ^ Grassy Islands (WP'ID14) ^ Lake Tillery Dam (WPT'025) ^ Grassy Islatids/Rice Beds (WPTD15) ^Mountain Creek (PJPTn16) ^ &Iountain Creek/Rice Beds (WPTD17) ^ Smith Lake OxbowlTiipelo (1WPT07) Figure 5-12 Highest bird species richness for fall migration season by point. 5-25 Section 5 Results and Discussions Table 5-6 Total bird abu ndance and species richness during win ter surveys by station, point, and habitat-type combinations. Bird Winter Winter Bird Survey Station Survey Habitat Type Species Abundance Point Richness Hitchcock Creek WPT034 Piedmont BottomlandBasic Oak-Hickory 1 1 Forest Hitchcock Creek WPT035 Piedmont BottomlandBasic Oak-Hickory 22 12 Forest Hitchcock Creek WPT036 Piedmont BottomlandBasic Oak-Hickory 8 4 Forest Total Station 31 Mean = 5.7 Gabbro Slopes WPT030 Piedmont BottomlandBasic Oak-Hickory 15 7 Forest Gabbro Slopes WPT031 Piedmont BottomlandBasic Oak-Hickory 8 7 Forest Gabbro Slopes WPT032 Piedmont BottomlandBasic Oak-Hickory 1 1 Forest Gabbro Slopes WPT033 Piedmont BottomlandBasic Oak-Hickory 6 5 Forest Total Station 30 Mean = 5.0 Blewett Falls Dam WPTOl Reservoir/Mesic Oak-Hickory Forest 8 4 Blewett Falls Dam WPT02 Tailrace 22 7 Blewett Falls Dam WPT03 Reservoir/Mesic Oak-Hickory Forest 33 5 Total Station 63 Mean = 53 Mountain Creek WPT016 Piedmont Bottomland Forest 13 6 Mountain Creek/S WPT017 Piedmont Bottomland Forest . Rice Beds 18 5 Smith Lake WPT07 Oxbow Lake Oxbow/Tupelo 49 5 Swamp Smith Lake WPT06 Oxbow Lake Oxbow/Tupelo 12 9 Swamp Total Station 92 Mean = 63 Browns Creek WPT020 Piedmont Bottomland Forest 9 4 Pee Dee NWR WPT045 Piedmont Bottomland Forest 423 5 Leak Island WPT019 Piedmont Bottom land Forest 7 4 Total Station 439 Mean = 43 Lake Tillery Dam WPT027 Mesic Mixed Hardwood Forest/Reservoir 101 6 Total Station 101 Mean = 6.0 Lake Tillery /Yadkin WPT041 Mesic Mixed Hardwood Forest/Reservoir 346 3 River Lake Tillery /Yadkin WPT042 Mesic Mixed Hardwood Forest/Reservoir 46 1 River Total Station 422 Mean = 2.0 5-26 Section 5 Results and Discussions w c s e; .5 r Figure 5-13 Total winter species abundance by habitat macrosite. ^ Pee D ee River ^ Lake Tillery ^ Lake Tillery D am ^ Cn~assv Islands ^Lower Pee Dee River O Hitchcock Creek ^ Gabbro Slopes 5-27 Section 5 Results and Discussions t K t e; F4 `o H Bird Species (AOIJ Code) Figure 5-14 «'viter bird relative abundance-top 10 species. RBGU-Ring-Billed Gull MALL-Mallard WODU-'JJood Duck AMCR-American Crow BLJA-Blue Jay BDGU-Bonaparte's Gull RB WO-Red-bellied ' +i Joodpecker ~ C CG-Do ub I e-crested Cormorant CACH-Carolina Chickadee 5-2R RBGU MALL '~~nCiLT7 ABDU AMCR BL7A BOGU RBWO DCCO CACH Section 5 Results and Discussions a L a 'e .6 5 Macrosite Area Figure 5-15 Total ~~~inter species richness b3' macrosite area. ^ Grassy Islands ^ Lake Tllle~}~ Dam ^ HitchcockCreek ^ Lotiver Pee Dee River ^ Gabbro Slopes ^ Pee Dee River 5-29 Section 5 Results and Discussions The great blue heron colony contains more than 78 pairs and has been active at least since 2001 (CP&L 2002b). The continued growth in the colony is expected to increase as long as there is ample food in the tailwater and relatively undisturbed nesting habitat. Nest activity and egg-laying is typically initiated inmid-March. The great blue heron young start hatching as soon as early April and by mid-June, fledglings are observed wading with adults in the tailwater (Progress Energy 2003). 5.1.6 Project Affects to Avian Resources Based on the results and discussions provided in the above sections, it can be determined thatthere is potential for impacts both negative and positive on avian species resulting from Project operations. The presence of the Project has a positive affect on the avian fauna that utilize the lakes and reservoirs. The river, reservoirs, and adjacent areas provide habitatfor large numbers of avian fauna (e.g., neotropical songbirds, waterbirds, waterfowl, and shorebirds). This is due to the presence of several large continuous tracts of forest land, wetlands, and other natural communities; the juxtaposition of several habitat types and several high-value habitats. The Lake Tilley tailwater provides high value foraging habitat for wading and waterbirds and is adjacentto the growing great blue heron breeding colony. The use ofthis tailwaterforaging area is dependent on the flow and subsequent tailwater elevation. With a lower water level (i.e., no generation or one unit generation), numerous shallow pools with small fish are available for foraging, and exposed rocks and emergent vegetation is apparent. Changes to the existing flow regime could result in an impact to great blue heron foraging and nesting preference at this site. The habitat suitability index for the great blue heron states that the optimal foraging habitat for the species includes shallow water (0 to 0.5 meters in depth), clear water with a firm substrate, and a huntable population of small fish (<25 cm in length) (Short and Cooper 1985). The model also states that the foraging area needs to be free of human disturbances (100 meters from foraging and only occasional disturbance) during the four hours following sunrise or preceding sunrise. This tailwater foraging area meets these habitat requirements. The majority of the wetlands are associated with Blewett Falls Lake. Excessive flooding during nesting, breeding/egg laying, and fledging periods for avian species, caused by seasonal flooding and the associated water releases from upstream reservoirs into downstream bottomlands of Blewett Falls Lake, can have a negative affect (although not significant affect) on local ground, shrub and low cavity nesting species. The nesting and egg laying period for these typical ground, shrub and low cavity nesting species, which does not include waterfowl, is from April to July. This period is when the males are staking out territories, finding potential locations for nests, and constructing nests (Terres 1980). Flooding during this period could drive the mated pairs out of their territories and could potentially destroy any nest that had been constructed. The primary areafor this type of seasonal or temporary flooding withinthe Project includes the Grassy Islands of Blewett Falls Lake. Some examples ofthese ground and shrub nesting species include neotropical migrants and resident species such as the black-and-white warbler (Mniorilta varia), Prothonotary warbler, ovenbird (Seiurus aurocapillus), Louisianawaterthrush, common yellowthroat (Geothlypis trichas), eastern 5-30 Section 5 Results and Discussions towhee (Pipilo erythrophthalmus), Carolina wren, song sparrow, and red-winged blackbird (Alsop 2001). Based on field observations, any rise in reservoir levels in the Grassy Islands and at Blewett Falls Lake (i.e., 2.0 ft or more above adjacent emergent wetlands or normal pool) during the nesting and breeding egg laying period could have an effect on breeding waterfowl, such as wood duck, mallard, and Canada goose and their chicks and nest. The primary nesting period for these waterfowl species is from May to July, which is the time when the species finding locations for nesting and construction ofthe nest (Terres 1980). Rise in reservoir levels as indicated above could potentially destroy any nest that had been constructed at the reservoirs edge (i.e., emergent wetlands). The fledgling period for waterfowl is not a factor due to the fact that most chicks of waterfowl can swim soon after hatching. Water levels falling more than 1.5 ft below the normal maximum operating level in the Grassy Islands area for more than four hours during the waterfowl brood rearing period of June and July, the fall migratory period of August through October, and the wintering period of November through February can negatively affect waterfowl by reducingforaging and cover habitat and exposingthese birds to increased predation. Based on the review of Blewett Falls hourly headpond datafrom 1983 through 2000, approximately 60 percent ofthe hourly lake levels at Blewett Falls Dam are at levels greater in depth than 175.7 ft (i. e., 1.5 ft below the normal operation pool level). The Grassy Islands are located 5 miles upstream from the dam and the extent of change in water elevations is expected to be less than that experienced at the dam. However, these low-water levels, and thus affects, usually only occur during the periods when the Blewett Falls Dam flashboards are out for a period of time. Affects to these species during the normal daily operations are not significant. 5.2 Mammalian Resources The reservoirs, river and riparian shoreline, and adjacent habitats such as forested wetlands provide a variety of habitat for several aquatic and semi-aquatic species including the beaver, muskrat, river otter, mink (Mustela vison), and raccoon (Procyon lotor) (Table 5-7). Sign of presence (i.e., white wood, tracks, bank dens, middens, and scat) for all of these species were observed along the shoreline. Muskrat use appears to be localized and limited by the location of persistent emergent wetlands (i.e., water willow beds and the southern wild rice beds). Several active beaver bank dens with low water entrances were observed along the east shore of Blewett Falls Lake in the vicinity of the Grassy Islands. Several muskrat bank dens were also observed in this area. Small mammals observed or expected in the forested upland and bottomland areas withinthe Project area include the short-tailed shrew (Blarina brevicauda), white-footed mouse (Peromyscus leucopus), little brown bat, eastern red bat, and eastern cottontail Other common mammals include the eastern chipmunk (Tamias striates), southern flying squirrel, gray fox, and long-tailed weasel. The white-tailed deer (Odocoileus virginianus) and coyote are frequently observed in the area. Transient black bears (Ursus americanus) have been known to pass through the Project area. 5-31 Section 5 Results and Discussions Table 5-7 A list of mammal species identified in or near the Yadkin-Pee Dee River Project area. Progress Progress NCMNS USFWS ri a MMSP Energy Energy Common Name He t ge Counties PDNWR Mammals Wildlife Incidental program Inventories Observations Opossum X X X Southeastern Shrew X X Shorttail Shrew X Carolina Shorttail Shrew X X Eastern Mole X Star-nosed Mole X X Little Brown Bat X Big Brown Bat X X Silver Haired Bat X Southeastern Myotis X Eastern Red Bat X X Hoary Bat X Evening Bat X Rafinesque's Big-eared Bat X Eastern Cottontail X X X Marsh Rabbit X Eastern Chipmunk X X X Eastern Gray Squirrel X X X X Eastem Fox Squirrel X X Southern Flying Squirrel X X X American Beaver X X X X X Eastem Harvest Mouse X White-footed Mouse X X X Cotton Mouse X Golden Mouse X Hispid Cotton Rat X X Pine Vole X Muskrat X X X X House Mouse X X Coyote X Red Fox X X Gray Fox X X Black Bear Raccoon X X X X Long-tailed Weasel X Mink X X Striped Skunk X X Northern River Otter X X X X Bobcat X X X X Mountain Lion X White-tailed Deer X X X X 5-32 Section 5 Results and Discussions Surveys for mammals were conducted through use of visual encounter surveys along designated transects established during the survey. As shown in Table 5-8, there were 12 mammal species observed duringthe surveys and an additional seven species listedthrough incidental observations. A total of 40 species have been observed in the general area ofthe Project. The highestmammalian abundance and species richness during the surveys was found in the Grassy Islands complex at the forest and water interface (Figure 5-16). Seven species were observed in this area including several semi-aquatic species such as the beaver, muskrat and otter. This high mammalian richness is likely due to the diverse habitats and large tracts of forest land located in this area. The Hitchcock Creek area also had relatively high species richness due to the large and contiguous tracts of mature forest land found at this site. All facility structures including both powerhouses and ancillary buildings were surveyed for roosting bats duringthe summer of 2004. No bats or evidence ofbat use was documented in these structures. Overall, the structures associated with the Project area did not provide suitable batroosting habitat. Mostfacilitieswere constructed ofmaterials such as concrete, which can produce high temperatures and would deter bats from day roosting or roosting between foraging bouts. These buildings tend to be quite warm and have a high sound level (low frequency vibration) or have frequent visits by workers. In August of 2004, a bat survey ("Bat Blitz 2004")was conducted at the Pee Dee National Wildlife Refuge, a total of seven species were captured including the eastern red bat (Lasiurus borealis), evening bat (Nycriceius humeralis), Seminole bat (L. seminolus), big brown bat (Eptesicus fuscus), eastern pipistrelle (Pipistrellus subflavus), Brazilian free-tailed bat (Tadarida brasiliensis), and southeastern myotis (Myoris austroriparius). The southeastern myotis is listed atthe federal level as Species of Concern and at as Special Concern by North Carolina. 5.2.1 Project Affects to Mammals The majority ofmammalian species within the Project areawill notbe affected by Project operations due to the fact that they are mobile and inhabit the more terrestrial areas. Based on field observations and analysis, reservoir water levels falling 2.0 ft below the normal maximum operating level for more than one day may adversely affect several aquatic and semi-aquatic species such as the muskrat and beaver (Allen and Hoffman 1984; Allen 1983). These lower water levels expose the bank den entrances and can increase the risk of predation and foraging difficulties (Allen and Hoffman 1984; Allen 1983). Based on the review of Blewett Falls Lake hourly headpond datafrom 1983 through 2000, approximately 75 percent of the hourly lake levels at Blewett Falls Dam are at levels greater in depth than 175.2 ft (i.e., 2.0 ft below the normal operating pool level). However, these water levels and associated affects, are assumed to occur during the periods when the Blewett Falls Dam flashboards are out. Also the food supply for these two aquatic mammals is in adequate supply and is not affected by Project operations. Affects to these aquatic species duringthe normal daily operations are not significant. 5-33 Section 5 Results and Discussions Table 5-8 Mammalian species observed within the Project area macrosite habitats. Macrosite Area Observed Mammal Species Hitchcock Creek Muskrat Beaver Gray Squirrel Raccoon White-tailed Deer Gabbro Slopes Gray Squirrel White-tailed deer Raccoon Blewett Falls Dam Gray Squirrel White-tailed deer Raccoon Grassy Islands/Smith Lake Muskrat Beaver Raccoon Cotton Rat Bobcat Coyote White-tailed Deer Lower Little River Muskrat Beaver Pee Dee River Beaver Tillery Lake Dam Gray Squirrel White-tailed Deer Raccoon Tillery Lake/Uwharrie River Gray Squirrel Beaver Muskrat White-tailed Deer 5-34 Section 5 Results and Discussions F c m '~ z 11~facrosite Area Figure 5-16 Mammalian species richness by habitat macrosite. ^Grassy Islands ^Hitchcock Creek ^ Lake Tillery ^ Gabbro Slopes ^ Lower Pee Dee ^ Lake Tillery Dam ^ Pee Dee River 5-35 Section 5 Results and Discussions Based on the habitat suitability index for the muskrat and beaver, these species require apermanent supply of water and prefers a seasonably stable water level. Lakes, reservoirs, and rivers with an extreme annual or seasonal fluctuation in the water level are unsuitable habitat for muskrats and beavers (Allen and Hoffman 1984; Allen 1983). Small water level fluctuations have no effect on the accessibility to the burrow. Moderate and longer term fluctuations that affect the burrow entrance only provide marginal aquatic mammal habitat. Several bat species use the Project area (e.g., tailwaters and open water) and associated forested habitats (e.g., bottomland forests) for foraging and roosting. Riparian areas along the edges of the reservoirs contain trees sufficiently large that they could provide potential roost sites. However, Project affects on the current bat populations are negligible. There are no planned changes in current operating conditions such as changing water level in the reservoirs. All facility structures including both powerhouses and ancillary buildings were surveyed for roosting bats during the summer of 2004. No bats or evidence of bat use was documented in these structures. Overall, the structures associated with the Project area did not provide suitable bat roosting habitat. 5.3 Amphibian and Reptile Resources Ninety-six species of reptiles and amphibians are known to occur in the counties of Anson, Montgomery, Richmond, and Stanly (Table 5-9). Commonly observed species include the American toad (Bufo americanus), Fowler's toad (B. woodhousii fowleri), green treefrog (Hyla cinerea), bull frog (Rana catesbeiana), three-lined salamander (Eurycea longicauda guttolineata), common snapping turtle (Chelydra serpenrina), box turtle (Terrapene Carolina), Eastern painted turtle (Chrysemys pitta), blackrat snake (Elaphe obsoleta), northern water snake (Nerodia sipedon), Eastern garter snake (Thamnophis sirtalis), Eastern fence lizard (Sceloporus undulates), five-lined skink (Eumeces fasciatus), and six-lined racernnner (Cnemidophorus sexlineatus). The bottomland and wetland communities provide idea breeding and foraging habitats for these species. Surveys for reptiles and amphibians (herpetile) were conducted through use of visual encounter surveys along designated transects established during the survey and through direct searches at habitats such as vernal pools. As shown in Table 5-10, there were 20 herpetile species observed duringthe surveys and an additional 11 species listedthrough incidental observations. Atotal of 96 species have been observed in the general four county area of the Project. The highest herpetile abundance and species richness during the surveys was found in the Grassy Islands complex in the bottomland and wetland habitats (Figure 5-1'~. The forested habitats ofthe Pee Dee River Gabbro Slopes and Hitchcock Creek area also had relatively high species richness due to the large and contiguous tracts of mature forest land and adjacent wetlands found at this site. 5-36 Section 5 Results and Discussions Table ~-9 A list of reptffe and amphibian species identified vi or near the Yadkin-Pee Dee River Project area. Progress Progress Common Name NCNINS USFWS Herat 6e MIVISP Energy Energy Counties PDN~VR A•nQ~ , m Herps Wildlife Incidental Marbled Salamander X X X X Mole Salamander X X X Tiger Salamander X X Southern Dusky Salamander X Northern Dusky Salamander X X X X Northern Two-lined Salamander X Southern T~ti~o-lined Salamander X X X Three-lined Salamander X X Dwarf Salamander X X Faur-toed Salamander X X Eastern American Toad X X X X Fowler's Toad X X X X Oak Toad Southern Toad X Northern Cricket Frog X X X Eastern Cricket Frog X Southern Cricket Frog X X Pine Barrens Treefrog X X Cope's Gray Frog X Green Treefrog X Pine Woods Treefrog Squirrel Treefrog X Gray Treefrog X X X X Spring Peeper X X X Northern Spring Peeper X Southeastern Chorus Frog X X X X Little Grass Frog X Eastern Narrow-mouthed Toad X X X American Bullfrog X X X X Green Frog X X X X Pickerel Frog X X X X X Florida Leopard Frog X 5-37 Greater Siren X Eastern Newt X X X Spotted Salamander X X X X Mabee's Salamander X Northern Red Salamander X X X Eastern Snadefoot X X Section 5 Results and Discussions Common Name NCIl~INS Counties USFVVS Her t ae PDNWR Prog-•am NINISP Herps Progress Energy Wildlife Inventories Progress Energy Incidental Observations Southern Leopard Frog X X X Carpenter Frog X REPTILES Gulf Coast Spiny Softshell X X Eastern Snapping Turtle X X Eastern Painted Turtle X X X X Spotted Turtle X Chicken Turtle X Striped Iy1ud Turtle X Eastern Iy1ud Turtle X X Eastern River Cooter X X Coast<~1 Plain Cooter X Common 1~•Iusk Turtle {Stinkpot) X X Eastern Box Turtle X X X X X Yellow-belly Slider X X X X Northern Green Anole X X X Eastern Fence Lizard X X X Northern Fence Lizard X X Common Five-lined Skink X X Southeastern Five-lined Skink X Broad-headed Skink X X X Ground Skink X X Six-lined Racerunner X Eastern Six-lined Racerunner X X Eastern Slender Glass Lizard X X Eastern Glass Lizard X Copperhead X X X Eastern Cottonmouth X X Eastern Wormsnake X X Scarlet snake X Northern Scarlet Snake X Northern Black Racer X X X Ring-necked Snake X X Corn Snake X X Black Rat snake X X X X Eastern Mucl snake Eastern Hog-nosed Snake X X Southern Hog-nosed Snake X X X Mole King snake X X Eastern King snake X X Scarlet King snake X Eastern Milk snake X X Eastern Coachwhip X X X Red-bellied Water snake X X Banded Water snake X Northern Water snake X X X Common Water snake X Brown ~~'ater snake X X Rough Green snake X 5-3R Section 5 Results and Discussions Common Name NCMNS Counties USFWS Heritage PDNWR p~.ogram D~ID~ISP Herps Progress Energy Wildlife Inventories Progress Energy Incidental Observations Northem Rough Green snake X Northem Pine snake X X X Brown Snake X Queen Snake X DeKay's Brownsnake X Northem Red-bellied Snake X Southeastern Crowned Snake X X Eastern Ribbon snake X Eastem Garter snake X X X X Rough Earth snake X Eastem Smooth Earth snake X X Timber Rattlesnake X X X Carolina Pigmy Rattlesnake X X X 5-39 Section 5 Results and Discussions Table 5-10 Amphibian and reptile species observed within the Project area macrosite habitats. Macrosite Observed Herpetile Species Hitchcock Creek Northem Cricket Frog (43) Eastern Newt (Red Eft) (1) Green Frog (3+) Gabbro Slopes Eastern Newt (Red Eft) (1) Spotted Salamander (egg masses) Gray Treefrog (4) Northem Cricket Frog (1) Spring Peeper (50+) American Toad (3) Green Frog (1) Red-bellied Watersnake (1) BlewettFalls Dam Yellow-bellied Slider (5) Painted Turtle (1) Grassy Islands/Smith Lake Northem Cricket Frog (15) Southem Cricket Frog (8) Spring Peeper (50+) Southeastern Chorus Frog (200+) Gray Treefrog (2) Southem Leopard Frog (1) Pickerel Frog (1) American Toad (1) Fowler's Toad (1) Spotted Salamander (1 and egg masses) Green Anole (2) Eastern Fence Lizard (3) Black Rat Snake (1) Northem Water Snake (2) Yellow-bellied Slider (12) Eastern Box Turtle (1) Painted Turtle (3) Lower Little River Black Rat Snake (1) Northem Water Snake (1) Green Anole (1) Yellow-bellied Slider Pee Dee River Yellow-bellied Slider (4) Tillery Lake Dam Northern Cricket Frog (3) Gray Treefrog (2) Green Anole (1) Yellow-bellied Slider (~ Tillery Lake/Uwharrie River Yellow-bellied Slider (3) Green Frog (4) American Toad (1 and egg masses) Rana sp. (egg masses) 5-40 Section 5 Results and Discussions N H d c r U N Qf U d a w m m x 1V'Iacrosite Area Figure 5-17 Herpetile species richness by habitat macrosite. ^ Grassy Islands ^ Gabbro Slopes ^ Pee Dee River ^ Lake Tillery Dam ^ Hitchcock Creek ^ Lake Tillery ^ Blewett Falls Dam 5-41 Section 5 Results and Discussions 5.3.1 Project Affects to Reptiles and Amphibians It is unlikely that hydro operations would influence most of the terrestrial herpetile species to any significant degree. Most of the species (e. g., black rat snake, box turtle) prefer drier, upland environments and are quite mobile. It is possible that hydro operations could influence certain aquatic species such as the bullfrog, northern cricket frog, green frog, spring peeper, northern water snake, and yellow-bellied slider by influencing the amount of suitable aquatic and wetland habitat available during certain periods of operation. Increases in the fluctuation of water levels can affect amphibians andthe associated species richness by the: 1) stranding of egg masses when water levels drop; and (2) reducing the emergent vegetation the amphibians rely for cover and foraging (Washington State 2003). Based on field observations, reservoir water levels 1.5 ft or more below the normal full pool for more than one day can adversely effect these several aquatic and semi- aquatic species (such as the bullfrog) by limiting habitat and increasing predation especially during the breeding period (Graves and Anderson 1987). Low reservoir water levels greater than 1.5 ft below the normal operating level in the winter period (for more than one day) and the subsequent freezing of substrates can cause mortality in hibernating species such as turtles and frogs due to freezing ofthe individuals. Based on the review of Blewett Falls Lake hourly headpond data from 1983 through 2000, approximately 60 percent of the hourly lake levels at Blewett Falls Dam are at levels greater in depth than 175.7 ft (i.e., 1.5 ft below the normal operating pool level). The Grassy Islands are located 5 miles upstream of the dam and the extent of change in water elevations is expected to be less than that experienced at the dam. However, these low water levels usually only occur during the periods when the Blewett Falls Dam flashboards are out for a period of time. Affects to these species during the normal daily operations are not significant. Ambystomid salamanders (i.e., mole salamanders), such as the marbled and spotted, prefer hydrologically isolated vernal pools (i.e., lackfish predators) in bottomland habitats. Based onfield observations, these vernal pool habitats are not hydrologically connected to the daily hydro operations (perched depressions) and thus will not be affected by any reservoir water level changes and the associated Project operations. Although high water events due to large spring rain events can scour these vernal pools of egg masses and larvae as was the situation in late March 2005. The Grassy Islands, Uwharrie River, and Lake Tillery Dam vernal pools were inundated with more than 3 ft of surface flow during this period. 5.4 High-Value Wildlife Areas Areas within the Project boundary and in the zones of influence were reviewed and surveyed to identify those areas determined to be "high-value wildlife habitat'. These selected areas were evaluated based on the plant community type(s), unique features, potential use by wildlife species, existing information (e.g., North Carolina Natural Heritage Program inventories), and the results of the wildlife inventories including species abundance and richness. Table 5-11 and Figure 5-18 identify these high-value wildlife lands. The following describes several of the important attributes of these selected wildlife areas: 5-42 Section 5 Results and Discussions ^ The large undisturbed and contiguous forested habitats associated with the Grassy Islands, Lower Little River, Pee Dee River Gabbro Slopes, and Hitchcock Creek areas provide high value breeding and foraging wildlife habitat for avian and herpetile species. ^ The emergent wetlands (e.g., southern wild rice beds) associated with the Grassy Islands complex provide important waterfowl, passerine, and herpetile foraging and cover habitat. ^ Grassy Islands/Smith Lake provides winter refuge for numerous waterfowl species including wood ducks, mallards, buffleheads, and scaup. Several large vernal pools with rich amphibian breeding assemblages are also associated with the Grassy Island bottomlands. Bottomland forest communities tend to have high wildlife value due to the predominance of woody plant communities that offer protection, roosting areas and nest cavities (e.g., snags), food and favorable microclimates for many species (Martin et al. 1993). Also the adjacentwaterbodies such as the Pee Dee River provides an important source of food for resident and transient species such as neotropical songbirds, waterfowl, fish-eating birds, aquatic and semi-aquatic reptiles and amphibians, and aquatic mammals (Martin et al. 1993). This community, as documented in the Grassy Islands Complex, provides a diversity and interspersion of habitat features. These large and contiguous habitats also provide anatural corridorfor dispersal and migration along the river system (Martin et al. 1993). ^ Riverine area adjacent to Pee Dee National Wildlife Refuge has a high concentration of wintering waterfowl including species such as the mallard, American black duck, wood duck, and Canada goose. The Pee Dee River in Anson County, which includes the Pee Dee National Wildlife Refuge is listed by the North American Waterfowl ManagementPlan (Atlantic Coast Joint Venture) as aNorth Carolina focus area (i.e., critical areas for wintering, migratory, and breeding waterfowl) because this area provides high value bottomland wetlands that benefit the black duck, mallard and wood duck (NAWMP undated). ^ The Lake Tilley tailwater provides high value foraging habitatfor wading and waterbirds and is adjacentto the expanding great blue heron breeding colony. 5-43 Section 5 Results and Discussions Table 5-ll Areas identified as a high value wildlife community within or near Proiect lands. High Value Wildlife Areas Location Project Lands Location Description Bailin Mafic Macrosite Falls Dam Slope U.S. Forest Service lands in Montgomery Outside Project Lands _ 1 Site has Piedmont Monadnock Forest, (State Significant) County; directly downstream of Falls Dam mile north of Falls Dam Piedmont Heath Bluff, Basic Oak-Hickory on the Yadkin River; adjacent to the upper Forest, and Piedmont Mafic Cliff Supports reaches of Lake Tillery numerous rare plant populations and natural communities. Dutch John Creek Area U.S. Forest Service and private lands in Only narrow flowage Site has large, unfragmented Dry Oak-Hickory (Regional Significant) Montgomery County; _ 6,000 ft downstream easementjustbelow Falls Forest and Piedmont Heath Bluff Site of the Falls Dam to just below Falls Dam Dam on Project Lands supports several rare plant populations. and above Uwharrie River confluence Gold Mine Branch U.S. Forest Service lands; located in Only narrow flowage Site supports a remnant Piedmont Longleaf Longleaf Pine Forest Montgomery County at upper reaches of easement on Project Lands Pine Forest that is uncommon within the (State Significant) Lake Tillery north of the Uwharrie River county. Lake Tillery/Lower Adjacent to Morrow Mountain State Park Strip of Progress Energy Variety of bottomland hardwood, several Uwharrie River lands and the Uwharrie River corridor land along Uwharrie River vernal pools and a diverse emergent wetland (includes the "Hidden Lakes" area) and within zone of area. operational influence Pee Dee River Megaszte~ Lower Little River Above Blewett Falls Lake in Richmond Strip of Progress Energy This site contains bottomland hardwood and (Regional Significant) County along Little River and at the land along southeast bank of levee forests. Supports high diversity of avian confluence with Pee Dee River Little River resources. Pee Dee River Grassy Just below the confluence of the Little River Project boundary Variety of floodplain and slope forests, Islands/Oxbow Site and Pee Dee River in Richmond County, incorporates all Grassy extensive marshes, several diverse vernal (State Significant) broadening to cover both sides of the Pee Islands with significant pools, and an oxbow lake/water tupelo Dee River as it flows into Blewett Falls acreage on Richmond swamp; large expanse of mature levee forest Lake above the Grassy Islands and County side; only narrow and bottomland hardwood forest, unique extending south to Bell Pond flowage easement on Anson southern wild rice wetlands. Piedmont and side and below Grassy coastal species, including several rare species, Islands found together at this site. Highest avian, herpetile, and mammalian species diversity in the Project area. Most of the area in the 5-44 Section 5 Results and Discussions High Value Wildlife Areas Location Project Lands Location Description Pee Dee River Gabbro East of Pee Dee River in Richmond County Outside of Project boundary, Mixed hardwood community that has Slopes Significant downstream of Walls Landing at Seabum although approximately 102 developed over high-base soil and gabbro Natural Heritage Area Branch to U. S. Highway 74 acres corporately owned by intrusion; supports areas of Basic Mesic (Regional Significant) Progress Energy; _ 2 miles Forest but majority is drier Basic Oak-Hickory below BlewettFalls Dam Forest. Piedmont and coastal species, including rare species, found together at this site. High diversity of avian and herpetile resources. Hitchcock Creek/ Richmond County side of Pee Dee River Outside of Projectboundary, Gabbro rock formation with relatively basic Pee Dee River Slopes from U. S. 74 to just below Hitchcock Creek although a portion soils with Mesic Basic Forest and Basic Oak- (Regional Significant) corporately owned by Hickory Forest; site has rocky slopes, steep Progress Energy _ 2'h ravine, and floodplain forest. Supports several miles below Blewett Falls rare plant populations. High diversity of avian Dam and hemetile resources. Bald Eagle Nesting Areas Tillery Dam Just below Tillery Dam in either Stanly or Active nest will likely be Nest of breeding pair has been constructed in Montgomery County, either north or south within Project Lands near various trees in area on both sides of the river of NC 731 this area for several years; active and inactive nests identified in 2001-2003. Blewett Dam Just above Blewett dam in Anson County Active nest will likely be Active nests were identified in 2001-2003. within Project Lands near this area Leak Island Leak Island in Richmond County just north Outside of Project Lands; -6 Eaglets have been observed in this area and of the Pee Dee NWR miles below Tillery Dam, sections of shoreline are suitable for nests south of confluence with along this section of river but none have been Rocky River identified to date. Osprey Nesting Area On one of the Grassy Islands in the upper Active nest is within Project One active nest has been identified in this area reaches of Blewett Fall Lake Lands near this area for several years. Great Blue Heron Breeding Below Tillery Dam in Stanly County along Inside Project Lands Growing colony with over 78 pairs. Adjacent Colony adjacent loblolly pine plantation area west of tailwater is an important foraging habitat. The the tailwater Important foraging habitat current breeding colony (loblolly pines stand) includes the tailwater during low flows has at least a 250 meter disturbance-free area around it (Short and Cooper 1985). Refuges an d 1~Idtife Management Areas Morrow Mountain State On Lake Tillery just downstream of Falls Narrow flowage easement 4,700 acres Park Dam in Stanlv County on Proiect Lands 5-45 Section 5 Results and Discussions High Value Wildlife Areas Location Project Lands Location Description Uwharrie National Forest Boarders on Lake Tillery in Montgomery Not within Project 50,189 acres; housing development along County from Falls Dam south to NC 24/27 boundaries eastern shoreline south of Uwharrie River to NC 24/27. Pee Dee National Boarder both sides of the Pee Dee River Outside of Project Lands; 8,843 acres; refuge is part of the Savannah- Wildlife Refuge between Tillery and Blewett Falls in Anson 6+ miles south of Tillery Santee-Pee Dee Ecosystem. Important and Richmond Counties Dam waterfowl area. 5-46 Section 5 Results anti Discussions 'r Falls Dam Slope Kadin Dam' ~\'1 . >. ~ .. ~ ~ ~" ~ '~F ~~.~ r•`~ ~..` ~r_ t:• ~r~~;.. ~ 1 Dutch John Creek Area ~ ~• ~ (, ~ ~ . ~ ~ ,~ t ~3v ~ r '• ~ l +a"~ ~ .~d~ r " ,p`;~!' ',,;:' Gold Mine Branch "" :~ ~ ` Longleaf Pine Forest - 1 ally Dam ~ _ ~^ ! '•~ err ~ , ~)1 ~,~7,j ~. 1 t ~ a ~ , ^'_ "~ ~ / Lake Tillery/Lower a.r _ ~ Uvdharrie River Area .. ' ~ w. ~_ Morrow Mountain; / `I % ~ '' ' ; State Park i ~~ ;~ i >~ 1:i '? c l ~y{ /~~ ,- ~ P " sa Uwharrie fi ~ .zt "" ~ '~"'• Na6onai f=orest s ~, { ,'' .~ ""'i r ~'~` '. _~. ~,,A ~ Bald Eagle Nest ;~~ ~ :t'), ~N _ -- ~ ~~ t i _.. / y .t, ~. ~' i ~ ~. I '; ~ ~ I r_ I i{ _ 1 ~ . I ,. .. _ _ ~~ ~ ~ .- - r.. A r ~, `:" 6 J ~ /+ i ~ i~ / ~ ~ ~~ m ~~ ~I ~ ~~~ t~~~ r I~ Sheet 1 of 5 Hlgh Value Wildllie Area .ti. ~ Parks (Detailed) Prgecl Bourtda ry sa:e ata>~rd crtro vmrd srnrr ceaoq¢alSu~ey ' and ESfS Devn<ia~ttl mdn;;antes asvanrsro legal IaQlty a ie;pmvEM1ty la N Mcuacy aM cdrgktmrs; Flgure (.oeaLLOn - dhe Eta Wrzn?005 Figure 5-18 High-value ~~~ildlife areas (Sheets 1 of 5}. 5-47 Section 5 Results and Discussions _/ `.`. 'E i :~>r I-Y1h:1111C . ~. i \ rtlunal I of kwl r.. I , -'` '` \ I ( _. '/.~t F 1 N ~" ,+ . ( f ---- I ... ,, ~ e ,.~ .. e i r I # j. ~.~~i I ~ r I i ~' 1 ... ~I q ~ I i ~. ~)° 1 ~.~~~ ~) li I . _ ~ ~.,, ~. -{ ~, f ~.~ '1 ~ i`Y ~ ~} ~: -, ~ ~ _ 'I ac i _ r'1 -I _~ ~,~ ~;~ f --~- --'; - - a,. ! ~ . ,.... +6., , ~~~ _ `` "ij JY'f'E.` '' `nI ~ ~'i. ~' ~ ~~ - Y~ _ .. _ _ _ I - Great Blue ~~ . Heron Colony 'i ~ lillen D Im Bald Eagle Nest (2) - ~ -^ I f'~ \. - ~ ~; ~ Sheet 2 of 5 Hlgtl Vxue Wiltliile Area O Pprks (~elsilpq) _ OPrO~ed eounOarY Base Ean npW~Mhihe W+M 9ku GegymlSUxY mE ESRI prvneiaMl M0.vaWe mymnmky+l IndbY aiemai.0lMla Te xtV aryaM mlrgbYneu n4aa LeWlta da~<aaa IAmF:DJS Figure 5-15 High-value wildlife areas (Sheets 2 of ~. 5-4~ Section 5 Results anti Discussions Figure 5-18 High-value wildlife areas (Sheets 3 of 5}. 5-49 Section 5 Results anti Discussions Figure 5-18 High-value wildlife areas (Sheets 4 of 5~. 5-50 Section 5 Results and Discussions r' -- - i ,, ~~- ;: - ~' rr ~~ ~. ~4y ' .. :.~ ' I \ 'fa t \.3 v.l ~ __. ~. /.. ))44 ~ l~~ - I;II'\1l'll I .111\ ' ~ Tc '~ 1 ' c ,~" ~,. '~~ i Blc\cett Palk T ~='. , Ii 11 I La!!Ie \ea , -. ,y ",^iy1,_r - . r>" ~ s:'~ :. - .l -. ~ - Ft , .. 1 i -i ' i-j - Pc~U~~It iecr I' 17 ~ ',~i I b°j -' ' - GaLbro tilulxs _ ..1 V w.r y ~.: `~ - - - ~ _ t 1 - ~~ ~~~ ~ ~/.. I l . r' - ~ ~ y ~", r i. ~ .1 ,._ 1, y ~I , 1 t~ Illlehenek ~'rue6 `~~F-' ! lyee Uee Rn~r Sligr~s - ~~ ~'~ `r~. \ ~: _ - I ti: 1~+ _ - ~ 'S~ ~ I' ~ 1 F ~rP ~~~~ ,: i ., Sheet 5 of 5 Hgh Vallx Wntllila Area - OPmject BOUntlary Beu eae anMmuy ine Unna SrorL GeaogalSmn mE FSRI CeMetamK.M rt\mn efassunea nougtl rMlrYet ielVwo[•N b~mexma[Y mE mmplkGrveff Flgue LOCetlm all.e 6la AH~M1:OP Figure 5-15 High-value wildlife areas (Sheets 5 of ~. 5-51 Section 6 -Summary The following summary is a compilation ofthe data gathered during the wildlife surveys, as well as the specific impact analysis. Spring species richness was highest in the large contiguous forested habitats such as Hitchcock Creek, Gabbro Slopes, Blewett Falls Dam area, and Lake Tillery/iJwharrie area. The individual points with the highest species richness include those in the Hitchcock Creek, Gabbro Slopes, Blewett Falls Dam area, and the Lake Tillery/iJwharrie River areas. The tailraces provides foraging habitat for several migratory and resident waterbirds including gulls, cormorants, and herons. Breeding species richness was observed highest in the forested habitats adjacent to the various waterbodies such as the Pee Dee River (e.g., Lower Little River area), the Lake Tillery/iJwharrie area, and Blewett Falls Dam but was also high in large contiguous forested habitats such as the Gabbro Slopes. Fall migration species richness was again highest in the forested habitats adjacentto the various waterbodies such as Blewett Falls Dam area, the Grassy Islands, and Pee Dee River but was also high in large, contiguous forested habitats such as the Gabbro Slopes. These habitats provide quality foraging and stopover (i.e., resting) habitats. Winter species richness was again highest in the forested habitats adjacent to the various waterbodies such as the Grassy Islands and Lake Tillery Dam but was also high in large, contiguous forested habitats such as Hitchcock Creek. A great blue heron breeding colony is located in the loblolly pine stand along the west shoreline overlooking the Tillery tailwater. Foraging habitat for this colony is located in the tailwater area below the dam. The tailwater and adjacent shoreline below Tillery Dam provides food, cover, and nesting habitatfor both adults and juvenile birds through most ofthe year. The number of great blue heron and other wading birds in this tailwater area is dependent on the flow (no units or one unit in operation) and subsequenttailwater elevation. W ith a lower water level, more wading birds use this habitat area. Changes to the existing flow regime could result in an impactto the heron foraging and nesting preference at the site. Flooding during nesting, breeding/egg laying, and fledging periods for avian species, caused by seasonal flooding and the associated releases from upstream reservoirs downstream bottomlands of Blewett Falls Lake, can have a negative affect (although not significant affect) on local ground, shrub, and low cavity nesting species. Based on field observations and analysis, rise in reservoir levels (i. e., 2.0 ft or more above adjacent emergent wetlands or normal pool at the Grassy Islands area) during the nesting and breeding/egg laying period could also have an effect on breeding waterfowl, such as wood duck, mallard, and Canada goose and their chicks and nest. The primary nesting period for these waterfowl species is from May to July, which is the time when the species finding locations for nesting and construction of the nest. Any excessive rise in reservoir levels could potentially destroy any nest that had been constructed at the reservoirs edge (i. e., emergent wetlands). The fledgling period for waterfowl is not a factor due to the fact that most chicks of waterfowl can swim soon after hatching. Water levels falling more than 1.5 ft below the normal maximum operating level (for more than four hours) during the waterfowl brood rearing period of June and July, the fall migratory period of August through October, and the wintering period of November through February can negatively affect waterfowl by reducing foraging and cover habitat and exposing these birds to increased predation. Based on the review of Blewett Falls Lake hourly headpond data from 1983 through 2000, approximately 60 percent of the hourly lake levels at Blewett Falls Dam are at levels greater in depth than 175.7 ft (i.e., 1.5 ft below the normal operating 6-1 Section 6 pool level). The Grassy Islands are located approximately 5 miles upstream from the dam and the extent of change in elevation is expected to be less than at the dam. However, these low water levels, and thus affects, usually only occur during the periods when the Blewett Falls Dam flashboards are outfor aperiod of time due to uncontrollable flood events. Affects to these species during the normal daily operations are not significant. The effects of operation of the Project also have a positive affect on the avian faunathat utilize the lakes and reservoirs. The river, reservoirs, and adjacent areas provide habitat for large numbers of avian fauna (e.g., neotropical songbirds, waterbirds, waterfowl, raptors, and shorebirds). There were 12 mammal species observed during the surveys and an additional seven species listed through incidental observations. A total of 40 species have been observed in the general area ofthe Project. The highest mammalian abundance and species richness during the surveys was found in the Grassy Islands complex at the forest and water interface. Seven species were observed in this area including several semi-aquatic species such as the beaver, muskrat and otter. All facility structures including both powerhouses and ancillary buildings were surveyed for roosting bats during the summer of 2004. No bats or evidence of bat use was documented in these structures. Overall, the structures associated with the Project area did not provide suitable batroosting habitat. The majority of mammalian species within the Proj ect area will not be affected by Proj ect operations because they are mobile and inhabitthe more terrestrial areas. Based on observations and analysis, reservoir water levels 2.0 ft below the normal maximum operating level for more than one day can adversely affect several aquatic and semi-aquatic species such as the muskrat and beaver. These lower water levels expose the bank den entrances and can increase the risk of predation and foraging difficulties. Based on the review of Blewett Falls Lake hourly headpond data from 1983 through 2000, approximately 75 percent ofthe hourly lake levels at Blewett Falls Dam are at levels greater in depth than 175.2 ft (i.e., 2.0 ft below the normal operating pool level). However, these lower water levels are assumedto only occur during the periods when the Blewett Falls Dam flashboards are out. There were 20 herpetile species observed during the surveys and an additional 11 species listed through incidental observations. Atotal of96 species have been observed in the general four county area of the Project. The highest herpetile abundance and species richness during the surveys was found in the Grassy Islands Complex in the bottomland and wetland habitats. The forested habitats of the Gabbro Slopes and Hitchcock Creek area also had relatively high species richness due to the large and contiguous tracts of mature forest land found at this site. It is unlikely that hydro operations would influence most of the terrestrial herpetile species to any significant degree. It is possible that hydro operations could influence certain semi-aquatic and aquatic species by influencing the amount of suitable aquatic and wetland habitat available during certain periods of operation. Based on field observations and analysis, reservoir water levels 1.5 ft or more below the normal maximum operating level for a period of time (more than one day) can adversely these several aquatic and semi-aquatic species (such as the bullfrog) by limiting habitat and increasing predation especially during the breeding period. Low reservoir water levels greater than 1.5 ft below the normal maximum operating level in the winter period for more than one day and the subsequent freezing of substrates can cause mortality in hibernating species such as turtles and frogs due to freezing of the individuals. Based on the review of Blewett Falls Lake hourly headpond data from 1983 through 2000, approximately 60 percent of the hourly lake levels at 6-2 Section 6 Blewett Falls Dam are at levels greater in depth than 175.7 ft (i.e., 1.5 ft below the normal operating pool level). The Grassy Islands are located approximately 5 miles upstream from the dam and the extent of change in elevation is expected to be less than atthe dam. However, these low water levels usually only occur during the periods when the Blewett Falls Dam flashboards are out for a period of time. Affects to these species during the normal daily operations are not significant. Areas within the Project boundary and in the zones of influence were reviewed and surveyed to identify those areas determined to be "high value wildlife habitaY'. The following describes several of the important attributes of these selected wildlife areas: ^ The large undisturbed and contiguous forested habitats associated with the Grassy Islands, Lower Little River, Pee Dee River Gabbro Slopes and Hitchcock Creek areas provide high value breeding and foraging wildlife habitat for avian and herpetile species. ^ The emergent wetlands (e.g., southern wild rice beds) associated with the Grassy Islands Complex provide important waterfowl, passerine, and herpetile foraging and cover habitat. ^ Grassy Islands/Smith Lake provides winter refuge for numerous waterfowl species including wood ducks, mallards, buffleheads, and scaup. Several large vernal pools with rich amphibian breeding assemblages are also associated with the Grassy Island bottomlands. ^ Riverine area adjacent to Pee Dee National Wildlife Refuge has a high concentration of wintering waterfowl including species such as the mallard, American black duck, wood duck, and Canada goose. ^ The Lake Tilley tailwater provides high value foraging habitatfor wading and waterbirds and is adjacentto the expanding great blue heron breeding colony. 6-3 Section 7 -References Allen, A.W. 1983. Habitat suitability index models: beaver. USFWS. FWS/OBS-82/10.30 revised. pp. 20. Allen, A.W., and R.D. Hoffman. 1984. Habitat suitability index models: muskrat. USFWS. FWS/OBS-82/10.46. pp. 27. Alsop III, Fred J. 2001. Birds of North America-Eastern Region. DK publishing, Inc., New York, NY. APGL 2002. Yadkin Hydroelectric Project FERC No. 2197 NC Project Relicensing, ICD, September, 2002. ALCOA Power Generating Inc., Yadkin Division, Badin, NC. Appalachian State University. 1999. North Carolina's Central Park: assessingtourismand outdoor recreation in the Uwharrie Lakes region. Appalachian State University, September 1999. Bates, M. 2001. Montgomery County Natural Heritage Inventory. In association with: The Land Trust for Central North Carolina, Salisbury, NC. The North Carolina Natural Heritage Program, Division of Parks and Recreation, Department of Environment and Natural Resources, Raleigh, NC. Beane, J.C. 1999. NC Museum of Natural Sciences, Reptile and Amphibian County Records (Anson, Montgomery, Richmond, and Stanly Counties, North Carolina). Burt, W.H., and R.P. Grossenheider. 1976. A Field Guide to the Mammals. Peterson Field Guide Series. Houghton Mifflin Company. Boston, MA. pp. 289. Carolina Power & Light. 2001. Survey of Wading Bird Use and Great Blue Heron Nesting Activity in the Tailwater of the Tillery Hydroelectric Plant. Yadkin-Pee Dee Hydroelectric Project (LT. S. FERC Project No. 2206). Environmental Services Section, CP&L A Progress Energy Company. New Hill, NC. 2002a. Terrestrial resource report associated with the Smith Lake Oxbow Swamp and adjacent bottom lands. Yadkin-Pee Dee Hydroelectric Project (FERC No. 2206). New Hill, NC. 2002b. Survey of Wading Bird Use and Great Blue Heron Nesting Activity in the Tailwater of the Tillery Hydroelectric Plant 2002. Yadkin-Pee Dee Hydroelectric Project (LT. S. FERC Project No. 2206). Environmental Services Section, CP&L A Progress Energy Company. New Hill, NC. Conant, R., and J.T. Collins. 1991. Reptiles and Amphibians of Eastern/Central North America Peterson Field Guide Series. Houghton Mifflin Company. Boston, MA. pp. 450 Cooperrider, A.Y., R.J. Boyd, and H.R. Stuart (eds.). 1986. Inventory and Monitoring of Wildlife Habitat. U.S. Dept. Inter., Bur. Land Manage. Denver, CO. 858 pp. 7-1 Section 7 References Cowardin, L.M., V. Carter, F.C. Golet, and E.T. LaRoe. 1979. Classification of Wetlands and Deepwater Habitats of the United States. U.S. Dept. of Interior, Fish and Wildlife Service. FWS/OBS-79/31. pp. 131 Crump, M.L. and N.J. Scott, Jr. 1994. Visual Encounter Surveys. Pp. 84-92 in Measuring and Monitoring Biological Diversity: Standard methods for Amphibians (Heger ed.). Smithsonian Institution Press, Washington D.C. DeGraaf, R.M and J.H. Rappole. 1995. Neotropical Migratory Birds-natural History, Distribution, and Population Change. Comstock Publishing Associates. Ithaca, NY. pp. 676. EA. 2000. Botanical and terrestrial wildlife resources study: Blewett Falls Hydroelectric Plant. Prepared for Carolina Power & Light Company. EA Engineering, Science, and Technology, Baltimore Branch. Sparks, Maryland. Framatome ANP, Inc. 2002. Terrestrial resources report associated with the survey of Smith Lake oxbow swamp and adjacentbottomlandwetlands. Yadkin-Pee Dee Hydroelectric Project(LJ. S.FERCProjectNo.220~. Prepared forCP&L AProgressEnergyCompany.Framatome ANP DE&S. Charlotte, NC. Gatens, L.J. 1999. NC Museum of Natural Sciences, List of mammal species in Anson, Montgomery, Richmond, and Sternly Counties, North Carolina). Graves, B.M., and S.H. Anderson. 1987. Habitat suitability index models: bullfrog. USFWS. Biol. Rep 82(10.138). pp. 22. Griffith, G.E., J.M. Omernik, J.A. Comstock, M.P. Schafale, W.H. McNab, D.R. Lenat, T.F. MacPherson, J.B. Glover, and V.B. Shleburne. 2002. Ecoregions of North Carolina and South Carolina (color poster). Reston, Virginia, U.S., Geological Survey (map scale 1:1,500,000). LeGrand, H.E., S.E. McRae, S.P. Hall, and J.T. Finnegan. 2004. 2004 Natural Heritage Program list of rare animal species in North Carolina NC Natural Heritage Program. Martin, W.H., S.G. Boyce, and A.C. Echternacht (eds.). 1993. Biodiversity of the Southeastern United States: Lowland Terrestrial Communities. John Wiley and Sons. New York, New York. 502 pp. Martof, B.S., W. M. Palmer, J.R. Bailey, and J.R. Harrison. 1980. Amphibians and Reptiles ofthe Carolinas and Virginia The University of North Carolina Press. Chapel Hill, NC. pp. 264. Morrison, M.L., B.G. Marcot, and R.W. Mannan. 1992. Wildlife-Habitat Relationships: Concepts and Applications. The University of Wisconsin Press. pp. 342. 7-2 Section 7 References National Audubon Society. 2002. The Christmas Bird Count Historical Results. Pee Dee National Wildlife Refuge (Count Circle: NCPD) Counts 97-103. [Online] URL: http://www.audubon.org/bird/cbc. (Accessed November 18, 2003.) . 2002. The Christmas Bird Count Historical Results. Pee Dee Area (Count Circle: SCPD) Counts 94-103. [Online] URL: http://www.audubon.org/bird/cbc. (Accessed January 9, 2004.) North American Waterfowl Management Plan. Undated. Atlantic Coast Joint Venture Plan. pp. 106. North Carolina Department of Environment and Natural Resources. Undated. Checklistforthe169 known species ofbird at Morrow Mountain State Park. North Carolina State Parks, Division of Parks and Recreation. Unpaginated. Raleigh, NC. [Online] URL: http://207.4.179.38 /nrid/viewPub.php?majorGroup=BIRD&park=MOMO. (Accessed January 9, 2004.) North Carolina Division of Water Quality. 1998. Yadkin-Pee Dee River basinwide water quality management plan. May 1998. NCDENR, DWA, Raleigh, NC. North Carolina Natural Heritage Program. 2004. Guide to federally listed endangered and threatened species of North Carolina. . Undated. The North Carolina Natural Heritage Program County element occurrence database by county (Anson, Montgomery, Richmond, and Stanly Counties, North Carolina). [Online] URL: http://www.ncsparks.net/nhp/county.html. (Accessed January 14, 2004.) North Carolina Partners in Flight. 2005. A bird conservation plan for North Carolina NCWRC, Raleigh, NC. Peterson, R.T. 1980. Eastern Birds. Peterson Field Guide Series. Houghton Mifflin Company. Boston, MA. pp. 384. Plans, W.S., W.F. Megahan, and G.W. Minshall. 1983. Methods for evaluating stream, riparian, and biotic conditions. USDA- Intermountain For. and Range Exp. Station. General Technical Report INT-138. Ogden, UT. 70 pp. Potter, E.F, J.F. Parnell, and R.P. Teulings. 1980. Birds of the Carolinas. The University ofNorth Carolina Press. Chapel Hill, NC. pp. 408. Progress Energy. 2003. Initial Consultation Document. Yadkin-Pee Dee River Project, FERC No. 2206. Section 4.6, Wildlife Resources, Rare, Threatened, and Endangered Species. Patuxent Wildlife Research Center. 2003. Bird Banding Laboratory, The North American Bird Banding Program. U. S. Department ofthe Interior, U.S. Geological Survey. [Online] URL: http://www.pwrc.usgs.gov/bbl/default.htm. (Accessed April 2005.) 7-3 Section 7 References Ralph, C.J., G.R. Geupel, P. Pyle, T.E. Martin, and D.F. DeSante. 1993. Handbook of Field Methods for Monitoring Landbirds. Gen. Tech. Rep. PSW-GTR-144. Albany, CA: Pacific Southwest Research Station, Forest Service, U.S. Department of Agriculture. 41 pp. Ralph, C.J., J.R. Sauer, and S. Droege (Technical Editors). 1995. Monitoring Bird Populations by Point Counts. Gen. Tech. Rep. PSW-GTR-149. Albany, CA: Pacific Southwest Research Station, Forest Service, U.S. Department of Agriculture. 187 pp. Sauer, J.R., J.E. Hines, G. Gough, L Thomas, and B.G. Peterjohn. 1992 The North American breeding bird survey results and analysis, Version 96.4. (North American Breeding Routes NC17, NC 207, NC215, NC216, NC 900, NC 904, SC 900) Patuxent Wildlife Research Center, Laurel, Maryland. Schafale, M.P. and A.S. Weakley. 1990. Classification of the Natural Communities of North Carolina. NC Natural Heritage Program. Raleigh, NC. Short, H.L., and R.J. Cooper. 1985. Habitat suitability index models: great blue heron. USFWS Biol. Rep. 82(10.99). pp. 23. Sorrie, B.A. 2001. Natural Areas Inventory for Richmond County. Sponsored by: The Land Trust for Central North Carolina, Salisbury, NC, and Sandhills Area Land Trust. The North Carolina Natural Heritage Program, Division of Parks and Recreation, Department of Environment and Natural Resources, Raleigh, NC. Sousa, P.J., and A.H. Farmer. 1983. Habitat suitability index models: wood duck. USFWS. FWS/OBS-82/10.43. pp. 27. South Carolina Department of Natural Resources. Undated. South Carolina rare, threatened & endangered species inventory. South Carolina Department ofNatural Resources (Darlington and Chesterfield Counties, South Carolina). Columbia SC. [Online] URL: http://www.dnr.state.sc.us.pls.heritage/county_species.list. (Accessed January 14, 2004.) Swift, B.L., J.S. Larson, and R.M. DeGraaf. 1984. Bird density and diversityto habitat variables in forested wetlands. Wilson Bull. 96(1) pp. 48-59. Terres, J.K. 1980. The Audubon Society Encyclopedia ofNorth American Birds. Alfred A. Knopf, New York, NY. pp. 1109. U. S. Fish and Wildlife Service. Undated. Birds of Pee Dee National Wildlife Refuge. U. S. Fish and Wildlife Refuge Service. Unpaginated. Jamestown, ND: Northern Prairie Wildlife Research Center Home Page. http://www.npwrc.usgs.gov/resource/othrdata/chekbird/r4/peedee.htm (version May 22, 1998). Washington Department of Ecology and Washington Department of Fish and Wildlife. 2003. Wetlands in Washington State. Volume 1, Chapter 4- A synthesis of the science. 7-4 Section 7 References Wharton, C.H., W.M. Kitchens, and T.W. Sipe. 1982. The Ecology of Bottomland Hardwood Swamps ofthe Southeast: A Community Profile. U. S. Fish and Wildlife Service, Biological Services Program, Washington, D.C. FWS/OBS-81/37. pp. 133. Webster, W.D., J.F. Parnell, and W.C. Biggs. 1985. Mammals of the Carolinas, Virginia, and Maryland. The University of North Carolina Press. Chapel Hill, NC. pp. 254. 7-5 APPENDICES APPENDIX A WILDLIFE SPECIES GUILDS REPRESENTATIVE TERRESTRIAL WILDLIFE SPECIES GUILDS BOTTOMLAND HARDWOOD FLOODPLAIN WETLANDS ~ °S. ~ v- o O C• 4. R `~ ~ R ~ ~ ~ Y ~ R y = C R ~' 0 a~ ~' Rx y v, Scientific Name Common Name Habit Requirements /Notes Potential Project Affects S White-tailed deer are at home in many Increased recreational use of the Project area by p of the natural communities of the humans (i.e. access for hunting) has the potential to x c Fu Odocoileus virginianus White-tailed Deer region. Prime habitat is broken areas affect this species negatively causing them to seek W of re-generating forest with cropland other suitable area with less human activity. interspersed throughout Sp Associated with wetland habitats and Although the occurrence is infrequent high water x c Su Procyon lotor Raccoon stream corridors. events have the potential to reduce the available F suitable habitat for this species impacting food and Typically found along small wooded Althoughthe occurrence is infrequentextremely low S streams which it dams to form small water events have the potential to de-water bank den p impoundments called beaver ponds. sites. This could expose this species to additional x c Fu Castor canadensis Beaver Also found in large rivers and lakes predation lowering population levels. W where it often forms bank dens as opposed to open water lodges when it forms an impoundment of its own. S The preferred habitat of gray squirrels Although the occurrence is infrequent high water p is extensive tracts of mature forests of events during the winter months could potentially x c Fu Sciurus carolinensis Gray Squirrel oaks, hickories, and beeches mixed inundate stored food sources causing increased W with other hardwoods and various mortality rates and lowered reproductive success. species of conifers. This species is normally a forest Although the occurrence is infrequent extremely dry dweller, but it does not hesitate to years could lower water levels within the Project utilize attics and crevices in buildings, area causing lower production of preferred food caves, and crevices in rocks for sources forcing this species to abandon roost sites Sp daytime retreats. Favorite roosts are within the Project area and relocate to areas with x c Su Eptesicus fuscus Big Brown Bat under the loose bark of dead trees and better food sources. F in cavities of trees. These bats emerge rather early in the evening and feed among the trees, often following a regular route from one treetop to another and back again. Appendix A - 1 a~ ~ w ° O C• 4. R `~ ~ R ~ ~ ~ Y ~ R y = C R ~' 0 a~ ~' Rx y v, Scientific Name Common Name Habit Requirements /Notes Potential Project Affects S Eastem moles prefer moist, sandy, or Although the occurrence is infrequent high water p loamy soil. They occur m meadows, events have the potential to mandate the tunnel x c Fa Scalopus aguaficus Eastem Mole gardens, cultivated fields, river system andnests ofthis species forcing relocationto W bottoms, mountain slopes, and forests. higher ground outside the Project boundary within suitable soil types. Short-tailed shrews occur in forested Although the occurrence is infrequent high water Sp areas and their associated meadows events have the potential to inundate the tunnel Su and openings. Adequate cover and system and nests ofthis species forcing relocation to u F Blaring carolinensis Southern Short-tailed Shrew food appear to be more important in higher ground outside the Project boundary. W determining their presence than type of soil or veeetation. S p The Southeastern Shrew prefers Although the occurrence is infrequent high water a floodplain forests and the borders of events have the potential to mandate the tunnel u F Sorex longirostris Southeastern Shrew swamps. It has also been found in dry system used by this species forcing relocation to W upland locations, including fields and higher ground outside the Project boundary. pastures. The species is presentinawidevariety Increased recreational use of the Project area by Sp of habitats from relatively dry upland humans (i. e. access for hunting/trapping) has the x c Su Didelphisvirginiana Virginia Opossum areas to those of considerable wetness, potential to affect this species negatively causing F but it prefers woodedbottomlandsnear them to seek other suitable area with less human W streams, ponds, swamps, and other activity. sources of water. Typically found in marshes, rivers, Although the occurrence is infrequent high water x c W Anas platyrhynchos Mallard lakes, wooded swamps and bays with events can inundate food sources necessary for this shallow water where rt is able to dabbling duck; Low water (de-watering) events can dabble cause food sources to be dried out. This species is typically found in Although the occurrence is infrequent low water Sp wooded swamps, rivers and ponds. events can cause the necessary bottomland hardwood x c Sa Aixsponsa Wood Duck forests that are usually flooded providing suitable F habitat to be dry; This can also concentrate birds on W the remaining suitable habitat exposing larger concentrations of birds to predators. Appendix A - 2 w a~ ~ ° O C• `~ ~ 4. R ~ R ~ ~ ~ ~ ~ ~ ~ ~ Scientific Name Common Name Habit Requirements /Notes Potential Project Affects 0 ~' a~ Rx ~' y v, This species is found in damp woods Although the occurrence is infrequent the flooding of or older thickets, withmoistsoilwhere foraging habitat (i. e. damp areas with earthworms earthworms are easily found. It prefers present) as well as nesting habitat through extreme areas with woody vegetation for water level fluctuations can cause negative stress for singing grounds, and feeding areas this migratory game bird. Sp with cover or near forest edges as x c Su Scolopax minor American Woodcock opposed to large, open areas. They F nest m a vanety of habitats such as W open fields, mixed forests, bushfields, and coniferous forests. It is a forest- dwelling shorebird, and is less aquatic than most of its relatives, though it still often frequents bottom lands and wet meadows. S p This is a species of woods, especially Although the occurrence is infrequent high water u hardwood forests, and wooded events can have a potential negative unpact on this x c F Meleagris gallopavo Wild Turkey swamps. species by inundating favored food sources such as W seeds, nuts, atoms, buds, and berries; especially during the fall. This species prefers coniferous, Although the occurrence is infrequent high water deciduous, and mixed forests. events or flooding can negatively affect this species Sp However, it may prefer more open or indirectly by causing lower population levels in x r Su Accipiter cooperii Cooper's Hawk patchy landscapes such as woodlots, some prey species especially in small mammals F npanan forests, or forested patches m which can account of over 20 percent of this raptors W a matrix of farmland. It is often found diet. near forest openings or edges, and near a stream, lake, or other body of water. This species is typically found in This raptor can be negatively impacted by the Project Sp woodlands, wooded rivers, and in an indirect way; by impacting its prey including x c Su Buteo lineatus Red-shouldered Hawk timbered swamps. small mammals, the largest of these being rabbits F and squirrels as well as reptiles, such as snakes, W amphibians, including toads, frogs and lizards, small birds and large insects. Appendix A - 3 a~ ~ w ° O C• 4. R `~ ~ R ~ ~ ~ Y ~ R y = C R ~' 0 a~ ~' Rx y v, Scientific Name Common Name Habit Requirements /Notes Potential Project Affects This species is typically found in This raptor can be negatively impacted by the Project woodlands, woodedriverbottoms, and in an indirect way; by impacting its prey including wooded swamps. meadow voles its main prey, followed by shrews and deer mice. Other mammals include rats, squirrels, Sp young rabbits, bats, moles, opossums, mink, and x c Su Strix varia Barred Owl weasels. Birds are taken occasionally, including F woodpeckers, grouse, quail, jays, blackbirds, and W pigeons. They also eat small fish, turtles, frogs, snakes, lizards, crayfish, beetles, crickets, and grasshoppers. The Project could potentially negatively affect all of these species thereby S p This species is typically found in pine Although the occurrence is infrequent this species x u Su Caprimulgus carolinensis foresees, aver woodlands, and wooded Chuck-Wiles-Widow could be negatively impacted by the Project through F groves. water fluctuations affecting insect populations, its main food source. This species of snake is at home in The northern water snake would most likely be Sp almost any aquatic habitat including impacted by the Project in an indirect way: through x c Su Nerock~a sipedon sipedon Northern Water Snake swamps, marshes, bogs, streams, lowering populations of prey species due to water F ponds, lakes and their adjacent fluctuations affecting those speciesbreedinghabitats W habitats. (frogs, salamanders, insects, crayfish, and small mammals). S p Usually found in swamps, wet ditches, Although the occurrence is infrequentthe Project has u and seepages along springs, and in the potentially negatively affect on this species u F Eurycea guttolineata Three-lined Salamander forested floodplains throughout all of through de-watering the breeding and larval-stage W North Carolina. habitats causing lower reproductive success and increased mortality. Pickerel frogs commonly inhabit cool, Although the occurrence is infrequent the Project has wooded streams, seeps and springs the potentially negatively affect on this species S p although they are also found in many through de-watering the breeding habitat (permanent u otherhabitats. In the South, itcanalso and semi-permanent pools) causing lower x c F Rana palustris Pickerel Frog be found in the relatively warm, turbid reproductive success. W waters of floodplain swamps. These frogs tend to wander far into grassy fields or into weed-covered areas in the summer. Appendix A - 4 REPRESENTATIVE TERRESTRIAL WILDLIFE SPECIES EMERGENT WETLANDS ~ °S. ~ v- o O C• 4. R `~ ~ R ~ ~ ~ Y ~ R y = C R ~' 0 a~ ~' Rx y v, Scientific Name Common Name Habit Requirements /Notes Potential Project Affects ~p Never far from water (Semi-aquatic); .vitnougn the occurrence is mtrequent the x c Su Mustela vison Mink has associated with most types of dewatering of wetland habitats would reduce the F wetlands. total available usable habitat in the Project area; W thereby reducing the total number of individuals. Sp Although the occurrence is infrequent extremely x c Su Procyon lotor Raccoon Associated with wetland habitats and high flows have the potential to reduce the available F stream corridors. den sites and food sources; lowering reproductive W success. ~p .vitnougn the occurrence is innequent extreme cows Su Emergent wetlands dominated by (high or low) have the potential to reduce the x c F Ondatra zibethicus Muskrat rushes and cattails as well as open available den sites and food sources; lowering W water areas. reproductive success. Sp Damp meadows and marshes with a Although the occurrence is infrequent high flows x c Su Microtus pennsylvanicus Meadow Vole dense layer of herbaceous material have the potential to inundate the preferred habitat F (including runways to food and nesting sites) of this ~„ covenng the ground. _ , ,. , . ~ ,... ,_:_~ _.__ .a...«:... ..... Sp Typically found in marshes and Although the occurrence is infrequent high flows r Su Sylvilagus palustris Marsh Rabbit swamps as well as wooded have the potential to inundate the preferred habitat F floodplains. (including food and nesting sites) of this species; W lowering reproductive success. Typically found in marshes, rivers and The Project has the potential to increase hunting bays with shallow water where it is opportunities (an access issue); thereby increasing able to dabble. mortality rates. Although the occurrence is x c W Anas crecca Green-winged Teal infrequent low water levels in the Project have the potential to de-water the normally shallow water areas needed by this species for feeding causing neeative affects. Typically found in marshes, rivers, Although the occurrence is infrequent high water x c W Anas platyrhynchos Mallard lakes, wooded swamps and bays with events can inundate food sources necessary for this shallow water where rt is able to dabbling duck; Low water (de-watering) events can dabble. cause food sources to be dried out. Typically found in marshes, lakes and Although the occurrence is infrequent high water x c W Anas strepera Gadwall ponds with shallow water where it is events can inundate food sources necessary for this able to dabble like other `marsh dabbling duck; Low water (de-watering) events can ducks'. cause food sources to be dried out. Appendix A - 5 a~ ~ w ° O C• 4. R ~ `~ R ~ ~ ~ ~ ~ ~ ~ ~ ~ Scientific Name Common Name Habit Requirements /Notes Potential Project Affects ~' a 0 ~ ~' Rx y v, Sp Associated with marshes, swamps, Although the occurrence is infrequent low water x c Su Ardea herodias Great Blue Heron shores and tideflats as well as levels in the Project have the potential to de-water F bottom land hardwood forests for the normally shallow water areas needed by this W nesting. species for feeding causing negative affects. Although the occurrence is infrequent high water events or flooding can negatively affect this species x u W Circus cyaneus Northern Harrier Marshes, fields and other open areas indirectly by causing lower population levels in suitable for hunting techniques. some prey species especially in small mammals; causing this species to relocate to areas with better hunting opportunities. Although the occurrence is intrequent prolonged low Cattail and bulrush (both brackish and Water events have the potential to reduce the x u W Cistothorus palustris Marsh Wren freshwater) marshes. available wintering habitat within the Project area; causing this species to relocate to other areas with high quality preferred habitat available. Sp Although the occurrence is infrequent prolonged low Breeds in marshes, brushy swamps, water events have the potential to reduce the x c Fu Agelaiusphoeniceus Red-winged Blackbird hayfields; forages also in cultivated availablehabitatwithintheProjectarea;causingthis W land, along edges of water. species to relocate to other areas with high quality preferred habitat available. S Prefers shallow water withinmarshes, Although the occurrence is infrequent high water p wet meadows, ponds as well as events have the potential to negatively affect this x u Fu Kinosternan subrubrum Eastern Mud Turtle ditches. Has a strong tolerance for species by deeply inundating its favored habitat it W brackish water. prefers shallow water areas for its optimum habitat- forcing it to seek additional areas. Sp YreYers quiet water with a muddy Although the occurrence is mtiequent extremely r Su Trachemys scripts elegans Red-eared Slider bottom and a profusion of vegetation. high flows have the potential to scour this species F Often basks on logs and masses of favored habitat; forcing it to seek additional areas W vegetation. with muddy bottoms and emergent vegetation. Found in all types of freshwater Although the occurrence isinfrequentverydryyears Sp habitats, including streams, ponds, causing low or no water to be available in this x u Su Nerocka fasciata fasciata Banded Water Snake lakes and marshes species' preferredhabitatcouldpotentiallyreduce its F prey species; lowering reproductive success or W forcing individuals to find alternative living locations. Appendix A - 6 w a~ ~ ° O C• `~ ~ 4. R ~ R ~ ~ ~ ~ ~ ~ ~ ~ Scientific Name Common Name Habit Requirements /Notes Potential Project Affects 0 ~' a~ Rx ~' y v, Sp .vltnougn the occurrence is mirequent ary years with u Often found in emergent wetlands low water events could cause the preferred habitatof x u F Seminatrix pygaea Black Swamp Snake where hyacinths are common and this species, areas where water hyacinths abound, to W plentiful. be degraded; causing individuals to seek alternative living locations. Although the occurrence is infrequent extreme water Sp Often found in ponds small lakes events, both high and low, have the potential to x c Su Notophthalmusviridescens , , Red-spotted Newt marshes or other permanent or semi- affect this species. Low water events could dry out F viridescens permanentbodiesofunpollutedwater. breeding and/or resting areas, and high water events W could scour away egg masses lowering reproductive success. Occurs in the muddy environs of Although the occurrence is infrequent extremely Sp springs, muddy seeps along small high flows have the potential to scour this species Su x r Pseudotritan mantanus streams, etc. Will often escape Eastern Mud Salamander favored habitat; forcing it to seek additional areas F montanus predators by burrowing into muck or with muddy bottoms. W taking refuge in crayfish burrows or other holes. Although the occurrence is infrequent extreme water Sp Habitats include swamps, borders of events, both high and low, have the potential to x u Su Hyla cinerea Green Treefrog lakes and streams, floating vegetation, affect this species. Low water events could dry out F or almost any place well supplied with breeding and/or resting areas, and high water events W water or dampness. could scour away egg masses lowering reproductive success. Aquatic and preferringlargerbodiesof Although the occurrence is infrequent, the Project S p water than most other frogs. A has a potentially negatively affect on this species u resident of lakes, ponds, bogs, through de-watering the breeding habitat (permanent x c F Rana catesbeiana Bullfrog sluggish portions of streams; usually and semi-permanent pools) causing lower W seen at waters edge or amidst reproductive success. vegetation or snags among which it can hide from predators. Appendix A - 7 REPRESENTATIVE TERRESTRIAL WILDLIFE SPECIES SCRUB/SHRUB WETLANDS v- ~ °S. ~ o C C. L Y G m •a . R 4 .'~~ R ~ r+ Y = R C ~ v p _ ~ a~ R~ ~ ~' y v, Scientific Name Common Name Habit Requirements /Notes Potential Project Affects S White-tailed deer are at home in many Increased recreational use of the Project area by p of the natural communities of the humans (i. e. access for hunting) has the potential to x c Fu Odocoileus virginianus White-tailed Deer region. Prime habitat is broken areas affect this species negatively causing them to seek W of re-generating forest with cropland other suitable area with less human activity. Sp Typically prefers forests where there Increased recreational use of the Project area by x c Su Pelisrufus Bobcat are areas of dense thickets associated humanshasthepotentialtoaffectbobcatsnegatively F with forest re-generation. causing them to seek other suitable area with less W human activity. Sp Never far from water (Semi-aquatic); Although the occurrence is infrequent the x r Su Mustela vison Mink has associated with most types of dewatering of wetland habitats would reduce the F wetlands. total available usable habitat in the Project area; W thereby reducine the total number of individuals. S Prefers habitat consisting of a The Project is likely to have few if any negative p patchwork of brushy field edges and effects on this highly adaptable species. x c Fu Canis latrans Coyote farm fields, however can be found in W almost any type of natural community Can be found in a variety of habitats Although the occurrence is infrequent high water Sp including sphagnum bogs, moist events have the potential to reduce the available c Su Synaptomys cooperi Southern Bog Lemming meadows, canebrakes, borders of suitable habitat for this species impacting surface F marshes, moist woodlands, thickets and sub-surface tunnel systems. However, since this W and orchards. species is not known from in the Project area it is unlikely to be affected in any way. Typically associated with areas of Although the occurrence is infrequent high water Sp moist woodlands and low thickets events have the potential to reduce the available x c Su Ochrotamys nuttalli Golden Mouse offering ample protective cover or suitable habitat for this species impacting nest site F where there is an understory of bushes availability especially in the winter months when W and vines, especially honeysuckle, this species uses underground nests. greenbrier, and grape. S p Typically found in areas of disturbed Although the occurrence is infrequent high water u habitat preferring old fields, brushy events have the potential to reduce the available x c F Sylvilagus floridanus Eastern Cottontail edges and other habitats characterized suitable habitat for this species impacting food and W by mixtures of herbaceous and nest site availability. shrubby plants. Appendix A - 8 w a~ ~ ° C C. L Y G m •a . R 4 .'~~ R ~ r+ Y = R C ~ v p _ ~ a~ R~ ~ ~' y v, Scientific Name Common Name Habit Requirements /Notes Potential Project Affects Sp Prefers thickets, brush, marshes, Although the occurrence is infrequent prolonged x c Su Melospiza melodic Song Sparrow roadsides and garden areas. periods of high water could adversely affect this F species by limiting production of preferred foods W (seeds) and/or inundation of nest sites. Sp YreYers brushy or scrubby areas, but Although the occurrence is mtiequent prolonged x c Su Spizella pusilla Field Sparrow can be found in a variety of habitats. periods of high water could adversely affect this F species by limiting production of preferred foods W (seeds) and/or inundation of nest sites. Sp Typically found in thickets, suburban Although the occurrence is infrequent prolonged x c Su Cardinalis cardinalis Northern Cardinal gardens and woodland edges. periods of high water could adversely affect this F species by limiting production of preferred foods W (seeds/insects) and/or inundation of nest sites. S Breeds m marshes, brushy swamps, Although the occurrence is mtrequent prolonged low p hayfields; forages also m cultivated water events have the potential to reduce the x c Fu Agelaius phoeniceus Red-winged Blackbird land, along edges of water. available habitat within the Project area; causing this W species to relocate to other areas with high quality nreferred habitat available. S p Prefers swamps, marshes and wet Although the occurrence is infrequentprolongedlow u thickets. water events have the potential to reduce the x c F Geothlypistrichas CommonYellowthroat availablehabitatwithintheProjectarea;causingthis W species to relocate to other areas with high quality preferred habitat available. Prefers swamps, bogs, stream bottoms, The Project could potentially affect this species in a S p woodland brush; locally in negative way through extreme high water levels. x r Su Limnothlypis swainsonii rhododendron-hemlock tangles m Swainson's Warbler Although the occurrence is infrequent these extreme central Appalachians. high water levels could inundate the preferred nesting sites (near ground level in low shrubs) for this species. S p Typically found in bushes, swamp The Project could potentially affect this species by x u Su Dendroica petechia edges, stream edges and garden areas. Yellow Warbler causing its preferred food source (insects) to be limited forcing it to find other suitable locations with more food sources. Typically found agricultural areas, Although the occurrence is infrequent high water Sp fields, marsh edges and wet brushy events can have a potential negative impact on this r Su Phasianus colchicus Ring-necked Pheasant areas. species by inundating favored food sources such as F seeds, buds, and bemes; especially during the fall. W However, since this species is not known from in the Project area it is unlikely to be affected in any way. Appendix A - 9 w a~ ~ ° C C. L Y G m •a . R 4 .'~~ R ~ r+ Y = R C ~ v p _ ~ a~ R~ ~ ~' y v, Scientific Name Common Name Habit Requirements /Notes Potential Project Affects S This snake occupies a wide variety of The Project could potentially affect this species by p habitats including meadows, marshes, causing its preferred food source (frogs, toads, x c Fa Thamnophis sirtalis sirtalis Eastern Garter Snake woodlands, hillsides, along streams salamanders, earthworms, some insects, etc.) to be W and brushy areas while in search of limited forcing it to find other suitable locations with Found in many different habitat types Although the occurrence is infrequent high water including brooks, near springs, and in events can have a potential negative impact on this Sp seepage areas. Perhaps most common species by inundating its preferred habitat forcing it x c Sa Desmognathusfuscusfuscus NorthemDuskySalamander along edges of small woodland to find other suitable locations that are not F streams where stones, chunks of wood, mandated. W and miscellaneous debris provide ample shelter both for the salamanders and their food. S Typically found hiding beneath all Although the occurrence is infrequent high water p types of objects including masses of events can have a potential negative impact on this x c Su Eurycea cimgera Southern Two-lined wet leaves in river or creek swamps. species by inundating its preferredhabitatespecially F Salamander in winter when it retreats under ground to wait for W warmer weather. S Occurs in an extremely wide variety of Although the occurrence is infrequent the Project has p habitats including damp thickets with a potentially negatively affect on this species x c Fa Bufo americanus American Toad a dependable supply of water during through de-watering the breeding habitat(permanent W the breeding season. and semi-permanent pools) causing lower reproductive success. S Typically found in gardens, weed or Although the occurrence isintiequenttheProjecthas p brush tangles, woods, trees, vines - a potentially negatively affect on this species x u Fa Hylasguirella SquirrelTreefrog most places close to moisture, food, through de-watering the breeding habitat(permanent W and a hiding place. and semi-permanent pools) causing lower reproductive success. Appendix A - 10