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HomeMy WebLinkAbout20071249 Ver 1_Year 1 Monitoring Report_20100326Year 1 Monitoring Report for Stream Restoration of Thompsons Fork and Unnamed Tributary McDowell County, NC SCO # D06030 -A Prepared for: NCDENR — EEP 2728 Capital Blvd, Suite 1 H 103 Raleigh NC 27604 I cwstem l loll cement f'POORAM Submitted: March 2010 �0 Evans, Mechwart, Hambleton & Tilton, Inc. Engineers, Surveyors, Planners, Scientists March 15, 2010 Mr. Tim Baumgartner Full Delivery Specialist Ecosystem Enhancement Program 2728 Capital Blvd., Suite 1 H 103 Raleigh, North Carolina 27604 Subject: Response to EEP Review Comments; Year 1 Monitoring Report for Stream Mitigation of Thompsons Fork - SCO# D06030 -A. Dear Tim, Please find below a response to comments from EEP dated February 15, 2010 regarding the Year 1 Monitoring Report for Thompsons Fork (SCO# D06030 -A). We have provided three hard copies of the final report, and have created a pdf of the full final report. Comment: Page 1, second paragraph — The paragraph states there are 10 vegetation plots while the plan and tables indicate 8 plots. Please revise. Response: The paragraph on page 1 incorrectly states that there are 10 vegetation plots. This page has been corrected to state that there are 8 vegetation plots, as shown on the plan sheets and the data tables. Comment: Morphology Tables — Please provide a morph table with each cross section data listed and compared from Year 0 and subsequent years. Response: A table providing data on the morphology of each cross section for Year 0 and Year 1 has been created. We will continue to update this table with information from subsequent monitoring years for inclusion in annual monitoring reports. We appreciate your acceptance of the Year 1 Monitoring Report. If you have any additional questions, please feel free to call Cal Miller of Wetlands Resource Center at (614) 864-7511 or me at (614) 775 -4513. Sincerely, EVANS, MECHWART, HAMBLETON & TILTON, INC. 4 Ac,�e� Holly Blunck Environmental Scientist Copies: Cal Miller, WRC Guy Pearce, EEP A legacy of experience A reputation for excellence 5500 New Albany Road, Columbus, OH 43054 • Phone 614 775 4500 • Fax 614 775.4800 Columbus • Atlanta • Charlotte • Cincinnati • Indianapolis emht.com 1 Prepared by: Wetlands Resource Center 3970 Bowen Road Canal Winchester, Ohio 43110 Project Manager: Cal Miller P: (614) 864 -7511 F: (614) 866 -3691 And EMH &T, Inc. 5500 New Albany Road Columbus, Ohio 43054 Project Manager: Miles F. Hebert, PE P: (614) 775 -4205 F: (614) 775 -4802 Main: (614) 775 -4500 WRILVUI Evans, Mechwart, Hambleton & Tilton, Inc. Engineers, Surveyors, Planners, Scientists �� Year 1 Monitoring Report for Stream Restoration of Thompsons Fork and Unnamed Tributary McDowell County, NC SCO # D06030 -A Prepared for: NCDENR — EEP 2728 Capital Blvd, Suite 1H 103 Raleigh NC 27604 I�o�rstem �'�lllE�l ('111C'11� �'k UC.ItAA1 Submitted: March 2010 Prepared by: Wetlands Resource Center 3970 Bowen Road Canal Winchester, Ohio 43110 Project Manager: Cal Miller P: (614) 864 -7511 F: (614) 866 -3691 And EMH &T, Inc. 5500 New Albany Road Columbus, Ohio 43054 Project Manager: Miles F. Hebert, PE P: (614) 775 -4205 F: (614) 775 -4802 Main: (614) 775 -4500 Evans, Mechwart, Hambleton & Tilton, Inc. Engineers, Surveyors, Planners, Scientists Table of Contents I. Executive Summary .................................................................................... ..............................1 H. Project Background .................................................................................... ..............................3 A. Location and Setting B. Project Structure, Mitigation Type, Approach and Objectives C. Project History and Background D. Monitoring Plan View III. Project Condition and Monitoring Results ............................................. .............................18 A. Vegetation Assessment 1. Soil Data 2. Vegetative Problem Areas 3. Vegetative Problem Areas Plan View 4. Stem Counts 5. Vegetation Plot Photos B. Stream Assessment 1. Hydrologic Criteria 2. Stream Problem Areas 3. Stream Problem Areas Plan View 4. Stream Problem Areas Photos 5. Fixed Station Photos 6. Stability Assessment 7. Quantitative Measures IV. Methodology ................................................................................................ .............................28 List of Tables Table I. Project Structure Table Table II. Project Mitigation Objectives Table Table III. Project Activity and Reporting History Table IV. Project Contact Table Table V. Project Background Table Table VI. Preliminary Soil Data Table VII. Vegetative Problem Areas Table VIII. Stem Counts for Each Species Arranged by Plot Table IX. Verification of Bankfull Events Table X. Stream Problem Areas Table XI. Categorical Stream Feature Visual Stability Assessment Table XII. Baseline Geomorphic and Hydraulic Summary Table X1II. Morphology and Hydraulic Monitoring Summary Evans, Mechwart, Hambleton & Tilton, Inc. December 2009 Monitoring Report — Thompson Fork Monitoring Year 1 of 5 EEP Contract # D06030 -A Page i List of Appendices Appendix A Vegetation Raw Data 1. Vegetation Monitoring Plot Photos 2. Vegetation Problem Area Plan View 3. Vegetation Monitoring Plot Photos 4. Vegetation Data Tables Appendix B Geomorphologic Raw Data 1. Stream Problem Areas Plan View 2. Stream Problem Area Photos 3. Fixed Station Photos 4. Table B1. Qualitative Visual Stability Assessment 5. Cross Section Plots 6. Longitudinal Plots 7. Pebble Count Plots 8. Bankfull Event Photos Evans, Mechwart, Hambleton & Tilton, Inc. December 2009 Monitoring Report — Thompson Fork Monitoring Year I of 5 EEP Contract # D06030 -A Page ii I. EXECUTIVE SUMMARY The Thompsons Fork stream restoration project is located near the City of Marion, in Nebo Township, McDowell County, North Carolina. Pre - restoration land use was primarily agricultural, resulting in impaired, channelized, eroding, incised and entrenched stream channels. The project reaches include the restoration of 2,727 linear feet of the Thompsons Fork mainstem and 1,948 linear feet of an unnamed tributary (UT); also included is 390 linear feet of enhancement and 356 linear feet of preservation along UT. Restoration of the project streams, completed during May 2008, provided the desired habitat and stability features required to improve and enhance the ecologic health of the streams for the long -term. The following report documents the Year 1 Annual Monitoring for this project. Vegetative monitoring was completed in September 2009 following the Carolina Vegetation Survey methodology. Stem counts completed at eight (8) vegetation plots show an average density of 704 stems per acre for the site. This density exceeds the success criteria of 320 stems /acre after three years of monitoring. All individual plots had stem densities meeting the minimum requirement. Additionally, a large number of recruit stems were found in each plot. A few vegetative problem areas of low concern were noted in the project area, included scattered populations of problematic species and sparse vegetative cover. The problematic species have been proactively managed by herbicide treatment, with follow -up treatment planned for the spring; no maintenance is required for the areas of sparse vegetation at this time. Monitoring of the streams identified some problem areas along the project reaches. A single area of erosion has resulted in bank scour along the outside of a meander bend on the mainstem of Thompsons Fork. Narrow bars of wetland vegetation forming along the stream banks of the mainstem were noted under the aggradation feature category for fixture monitoring. Minor aggradation is also occurring in a few pools associated with log sills along the unnamed tributary to Thompsons Fork. None of the problem areas warrant maintenance at this time. The visual stream stability assessment revealed that the majority of in- stream structures are functioning as designed and built on the Thompsons Fork mainstem and unnamed tributary. Bedform features are evolving along the restored reaches compared to as -built conditions, as shown on the long -term longitudinal profiles. Dimensional measurements of the monumented cross - sections remain stable when compared to as -built conditions. The comparison of the As- Built and Year 1 long -term stream monitoring profile data show stability with minimal change from as -built conditions. Constructed riffles are stable, with median particle distributions ranging from coarse to very coarse gravel. The substrate in the pools also remained stable, with median particle distributions of very fine silt /clay material. Based on the crest gage network installed on the project reaches, one bankfixll event was recorded along each reach since construction was completed. The tables on the following page summarize the geomorphological changes along the restoration reaches for each stream. Evans, Mechwart, Hambleton & Tilton, Inc. December 2009 Monitoring Report — Thompson Fork Monitoring Year I of 5 EEP Contract # D06030 -A Page I Thompsons Fork Mainstem Parameter Pre - Restoration As -built Year 1 Length 2,530 ft 2,727 ft 2,727 ft Bankfull Width 20.9 ft 37.7 ft 36.3 ft Bankfull Max Depth 5.1 ft 2.5 ft 2.4 ft Width/Depth Ratio 7.7 27.1 28.7 Entrenchment Ratio 1.5 3.0 3.0 Bank Height Ratio 2.4 1.0 1.0 Sinuosity 1.12 1.19 1.19 Unnamed Tributary to Thompsons Fork Parameter Pre - Restoration As -built Year 1 Length 1,598 ft 1,948 ft 1,948 ft Bankfull Width 13.1 ft 14.0 ft 15.4 ft Bankfull Max Depth 1.1 ft 1.7 ft 1.6 ft Width/Depth Ratio 16.0 17.4 18.1 Entrenchment Ratio 3.4 6.0 5.6 Bank Height Ratio 1.6 1.0 1.0 Sinuosi.t. 1.09 1.36 1.36 Evans, Mechwart, Hambleton & Tilton, Inc. December 2009 Monitoring Report - Thompson Fork Monitoring Year I of 5 EEP Contract # D06030 -A Page 2 II. PROJECT BACKGROUND A. Location and Setting The project is located near the intersection of Watson Road and South Creek Road on the north side of Interstate 40, approximately 7 miles east of the City of Marion, in Nebo Township, McDowell County, North Carolina as shown on Figure 1. The stream channels included in this project are the Thompsons Fork mainstem and one unnamed tributary stream designated UT. The directions to the project site are as follows: Exit I -40 at Exit 94 and travel north on Dysartsville Road for 0.6 mile. Turn left and travel west onto US -70 for 3.2 miles, then turn left onto Watson Road. Travel 1.1 miles south on Watson Road to the intersection of South Creek Road. Zeb Lowdermilk's residence (13 94 South Creek Road, Nebo, NC 28761) is located on the right (south) side of South Creek Road at the intersection of Watson Road. The project spans four tracts of land: (Tract 1) owned by Zeb B. Lowdermilk and wife Francis M. Lowdermilk (deceased); (Tract 2) owned by Francis McNeely Lowdermilk (Life Estate), Susan Delene Lowdermilk, Don Lance Lowdermilk, and Dane Scott Lowdermilk; and (Tracts 3 and 4) owned by Zeb B. Lowdermilk and daughter Susan Lowdermilk Walker Icard. B. Project Structure, Mitigation Type, Approach and Objectives Pre - restoration land use surrounding the project streams was predominantly agricultural, including pasture/hayland with wooded and cleared hillsides. Pre - restoration land use surrounding the Thompsons Fork restoration reach was active cattle pasture land. The pre- existing riparian corridor was absent to extremely narrow (5 to 10 feet wide) along the Thompsons Fork mainstem, widening for only a short distance near the downstream limits of the mainstem project reach. Streambanks were denuded and extremely unstable, with vertical to undercut banks up to 15 feet in height from the former farm stream crossing to the bottom of the mainstem reach. A hayland meadow was present along the UT right bank. Along the UT left bank the riparian corridor consists of mature hardwood forested hill slope. Along the 356 linear feet of UT preservation reach, beginning at the granite outcrop spring from which the perennial UT emerges, the stream exists in a mature mixed hardwood and evergreen forest with diversified herbaceous, shrub, mid -story and canopy species present. Typical species observed along the streams and adjacent forested areas include Alnus rugosa (tag alder), Platanus occidentalis (Eastern sycamore), Abies species (fir), Pinus taeda (loblolly pine), Pinus elliottii (slash pine), Ostrya virginiana (Eastern hophombeam), Diospyros virginiana (persimmon), Kalmia latifolia (mountain laurel), Cornus amomum (silky dogwood), flex opaca (American holly), and the invasive species Ligustrum sinense (Chinese privet) and Lonicera japonica (Japanese honeysuckle). Prior to restoration, a combination of historical and recent anthropogenic factors and practices impacted the channel along the impaired mainstem reach, resulting in its unstable Rosgen G4 stream type. The deeply incised and entrenched condition of the channel prior to restoration was attributed to management of the riparian corridor for hay production, cattle intrusion resulting in Evans, Mechwart, Hambleton & Tilton, Inc. December 2009 Monitoring Report — Thompson Fork Monitoring Year 1 of S EEP Contract # D06030 -A Page 3 U ■ n on � 1 1 L- Zeb B. Lowdermilk & Frances M. Lowdermilk Db 171, Pg 129 �...� Evans, Mechwart, Hambleton & Tilton, Inc. Engineers • Surveyors • Planners • Scientists 0 Zeb B. Lowdermilk & isan Lowdermilk Wolker Icard �Db 558, Pg 111r 0 Marion C. Taylor & Wife Willa R. / Taylor / f / 10-ee 0� Frances McNeely Lowdermilk (Life Estate), Susan Delene Lowdermilk, Don Lance Lowdermilk, and Dane Scott Lowdermilk DB 210, PG 542 MCDOWELL COUNTY, NORTH CAROLINA THOMPSON FORK RESTORATION FIGURE 1: SITE VICINITY MAP N.C. ECOSYSTEM ENHANCEMENT PROGRAM Date: July, 2009 Not To Scale r� E�an os� estem En ment E E - 3: 3; 546 0 L0 ai �Na Frances McNeely Lowdermilk (Life Estate), Susan Delene Lowdermilk, Don Lance Lowdermilk, and Dane Scott Lowdermilk DB 210, PG 542 MCDOWELL COUNTY, NORTH CAROLINA THOMPSON FORK RESTORATION FIGURE 1: SITE VICINITY MAP N.C. ECOSYSTEM ENHANCEMENT PROGRAM Date: July, 2009 Not To Scale r� E�an os� estem En ment streambank hoof shear and vegetative denuding from grazing and browsing, combined with the erosive nature of the discharge of "sediment hungry" water from the 30 -inch reinforced concrete pipe outfall from Muddy Creek Flood Control Dam Number 8. Additionally, a shift in stream base level occurred during the construction of Interstate 40 (I -40), when the invert of the culvert carrying Thompson Fork under I -40 was set 12 to 15 feet below the pre - disturbance invert of the streambed, triggering channel incision, head cutting, floodplain abandonment, and lowering of the water table. The Thompsons Fork mainstem unstable bank height ratio, entrenchment ratio, channel slope (0.0039 ft/ft) greater than valley slope (0.0031 ft /ft) and poorly defined bedform features showed the instability of the deeply incised, unstable, degrading stream channel disconnected from its floodplain. Mid - channel, lateral, and transverse sand and gravel bars were present at locations throughout the mainstem reach, demonstrating the stream lacked stable pattern, profile, dimension, capacity and competency to entrain the high sediment load. The locations of these depositional features in the near -bank region deflected flows from the center of the channel toward the incised vertical to undercut, steep, denuded streambanks, resulting in accelerated erosion rates. Utilizing the near -bank stress method algorithm, it was estimated 2,076 cubic yards per year (or 2,700 tons per year) of sediment was being eroded from the streambanks along the mainstem. The UT channel was a classic Rosgen Type I valley confined, Al -A2 stream type transitioning to a Type II colluvial valley, B3 stream type at the point where the stream emerges from its mixed deciduous hardwood and evergreen forested corridor into an open meadow at the top of the impaired reach. The forested reach segment has some bedrock control, in- stream boulders with negligible instream woody debris accumulation. The indigenous, well established, healthy riparian vegetative communities in the channel and in the overbank regions provide extremely stable channel conditions for the forested reach, and are preserved within the conservation easement recorded for the project. Agricultural land use adjacent to the stream corridor together with aggressive vegetative management resulted in steep to undercut streambanks, accelerated streambank erosion and channel incision along the Enhancement Level H and Priority Level I Restoration reaches. The unstable streambanks were contributing large volumes of suspended sediment and bedload material to the larger Thompsons Fork mainstem. It was estimated 291 cubic yards per year (or 378 tons per year) of sediment was being eroded from streambanks along the UT under existing conditions. The mitigation goals and objectives for the project streams are related to restoring stable physical and biological function of the project streams beyond pre- restoration (impaired) conditions. Pre - restoration conditions consisted of impaired, channelized, eroding, incised and entrenched stream channels. The specific mitigation goals for the project are listed below. • Provide stable stream channels with features inherent of ecologically diverse environments, including appropriate stream -bed features, such as pools and riffles, and a riparian corridor with diverse and native vegetation. Utilize reference reach information as the foundation of the restoration design. • Provide stream channels with the appropriate geometry and slope to convey bankfull flows while entraining bedload and suspended sediment readily available to the streams. • Provide a connection between the bankfull channel and the floodprone area, and stable channel geometry and protective cover to prevent erosion. • Provide a minimization of future land use impacts to the streams and a perpetual stream corridor protection via livestock exclusion fencing and restrictive conservation easement conveyances to the State of North Carolina. Evans, Mechwart, Hambleton & Tilton, Inc. December 2009 Monitoring Report — Thompson Fork Monitoring Year 1 of 5 EEP Contract # D06030 -A Page 5 Restoration of the streams has met the objective of the project along both the mainstem of Thompsons Fork and the UT, providing the desired habitat and stability features required to improve and enhance the ecologic health of the streams for the long -term. Specifically, the completed restoration project has accomplished the items listed below. Thompsons Fork Mainstem: • Reversed the effects of channelization through a combination of Priority I and Priority II restoration techniques. The restoration has changed the average width/depth ratio from 7.7 to 28.7. • Restored a natural and stable sinuosity to the stream channel, increasing the sinuosity of the channel from 1.1 to 1.2, and providing a more stable relationship between the valley and bankfull slopes (the bankfull slope was higher than the valley slope in the pre- restoration condition and is now less than the valley slope with the completed restoration). • Stabilized eroding streambanks by providing an appropriately sized channel with stable channel bank slopes with a combination of embedded stone, natural fabrics and hearty vegetation as protective cover. The average Bank Height Ratio has been changed from 2.36 to 1.0. • Provided a re- connection between the restored stream channel and the adjacent floodprone area by both raising the stream bed and excavating the adjacent floodplain. The completed restoration changed the average entrenchment ratio from 1.53 to 3.0. • Created instream aquatic habitat features such as deep pools supported by riffles, including rock cross vanes with deep pools to transition the channel thalweg from the restored reach to the downstream existing channel. • Re- vegetated the riparian corridor with indigenous trees and shrubs and preservation of existing riparian corridors where possible. Unnamed Tributary (UT): ■ Reversed the effects of channelization through a combination of Priority I and Priority II restoration techniques, as well as Enhancement Level I activities and Preservation of a short reach at the upstream end of the project. The average width/depth ratio of the restored stream channel is 18.1. In the restoration reach, stable pattern, profile and dimension were all restored to the stream channel. In the enhancement reach, a stable profile was provided and dimension of the stream channel was modified accordingly. The preservation reach is in a stable and heavily wooded corridor that will be protected by the conservation easement for the project. • Restored a natural and stable sinuosity to the stream channel, increasing the sinuosity of the channel from 1.1 to more than 1.3, and providing a more stable relationship between the valley and bankfull slopes (the bankfull and valley slopes were nearly identical in the pre- restoration condition and is substantially less than the valley slope with the completed restoration). • Stabilized eroding streambanks by providing an appropriately sized channel with stable channel bank slopes. The average Bank Height Ratio has been changed from 1.63 to 1.0. Evans, Mechwart, Hambleton & Tilton, Inc. December 2009 Monitoring Report — Thompsons Fork Monitoring Year 1 of 5 EEP Contract # D06030 -A Page 6 Provided a re- connection between the restored stream channel and the adjacent floodprone area by both raising the stream bed and excavating the adjacent floodplain. The completed restoration changed the average entrenchment ratio from 3.4 to 5.6. Created instream aquatic habitat features such as pools supported a combination of riffles and step -log structures. Re- vegetated the riparian corridor with indigenous trees and shrubs and preservation of existing riparian corridors where possible. Information on the project structure and objectives is included in Tables I and H. Table I. Project Structure Table Thompsons Fork Stream Restoration /EEP Project No. D06030 -A Project Segment/Reach ID Linear Footage or Acreage Thompsons Fork Mainstem 2,727 ft Unnamed Tributary (UT) 2,694 ft TOTAL 5,421 ft Table H. Project Mitigation Objectives Table Thompsons Fork Stream Restoration / EE P Project No. D06030 -A Project Linear Segment/ Mitigation Footage or Mitigation Mitigation Reach ID Type Acreage Ratio Units Comment Thompsons Fork priority Level 2'727 ft 1.0 2'727 ft Restore dimension, 1 Restoration pattern, and profile Mainstem Preserved within the UT Preservation 356 ft 5.0 71 ft conservation easement Restore profile and UT Enhancement 390 ft 1.5 260 ft dimension, step -pool Level 1 bank stabilization UT Priority Level 1,948 ft 1.0 1,948 ft Restore dimension, 2 Restoration pattern. and profile TOTAL 5,421 ft 5,006 ft C. Project History and Background Project activity and reporting history are provided in Table III. The project contact information is provided in Table IV. The project background history is provided in Table V. Evans, Mechwart, Hambleton & Tilton, Inc. December 2009 Monitoring Report — Thompson Fork Monitoring Year 1 of 5 EEP Contract # D06030 -A Page 7 Table III. Project Activity and Reporting History Thompsons Fork Stream Restoration / EEP Project No. D06030 -A Activity or Report Scheduled Completion Data Collection Complete Actual Completion or Delivery Restoration plan A r 2007 Aug 2006 Jun 2007 Final Design - 90 %' -- - '- Construction Jan 2008 N/A May 2008 Temporary S &E applied to entire 2rqject areal Jan 2008 N/A Ma 2008 Permanent plantings Mar 2008 N/A A r 2008 Mitigation plan/As-built May 2008 Jun 2008 Oct 2008 Year 1 monitoring 2009 Sep 2009 (vegetation) Jul 2009 eomo holo Dec 2009 Year 2 monitoring 2010 Year 3 monitoring 2011 Year 4 monitoring 2012 Year 5 monitoring 2013 'Full - delivery project; 90% submittal not provided. 2Erosion and sediment control applied incrementally throughout the course of the project. N /A: Data collection is not an applicable task for these project activities. Table IV. Project Contact Table Thompsons Fork Stream Restoration / EEP Project No. D06030 -A Evans, Mechwart, Hambleton & Tilton, Inc. Designer 5500 New Albany Road, Columbus, OH 43054 Construction South Mountain Forestry Contractor 6624 Roper Hollow, Morganton, NC 28655 Evans, Mechwart, Hambleton & Tilton, Inc. Monitorin2 Performers 5500 New Albany Road, Columbus, OH 43054 Stream Monitoring POC Warren E. Knotts EMH &T Vegetation Monitoring POC Holly M. Blunck, EMH &T Evans, Mechwart, Hambleton & Tilton, Inc. December 2009 Monitoring Report - Thompsons Fork Monitoring Year 1 of 5 EEP Contract # D06030 -A Page 8 Table V. Project Background Table Thomnsons Fork Stream Restoration / EEP Project No. D06030 -A Project County McDowell DrainaLre Area Mainstem -7.57 sq mi UT -0.163 s mi Drainage hn ervious Cover Estimate 2.36% Stream Ord_ er Mainstem -3rd UT -1 st Ph sio a hic Re 'on Blue Ridge Mountains /Southern Inner Piedmont Ecore ion Eastern Blue Ridge Foothills Roseen Classification of As -built Mainstem -C4 UT- C3b Dominant Soil Tvpes Colvard loam, Evard -Cowee complex, Iotla sandv loam Reference Site ID Thompsons Fork Mainstem, Brindle Creek USGS HUC for Project and Reference 03050101 NCDWO Sub -basin for Project and Reference 03050101040010 NCDWO Classification for Project and Reference C Anv portion of any project segment 303d listed? No Any portion of any project segment upstream of a 303d listed segment? No Reason for 303d listing or stressor N/A % of project easement fenced 50% D. Monitoring Plan View The monitoring plan view is included as Figure 2. Evans, Mechwart, Hambleton & Tilton, Inc. December 2009 Monitoring Report — Thompsons Fork Monitoring Year I of 5 EEP Contract # D06030 -A Page 9 -' Ai vineRJl a3V4VNNn CINtl )4803 SNOSd WOHl NdN NVId DNINDIINOW - Z 3bf1D11 �, �.ocmc moe Awuo ® srrols� 1 �> W � as �a a � z o_ z z Z 0C w co D O O wA Z LL Z z N v,; �eF•' o; e� � _r o a .E4 e E J J Wh [� o' LJ.I N f v €,�4 Y67 a� ;IIE ocJ O 0v�j UJ O LL C�� Q €i •m ro e• � a z It fi G V CO) z o Cl) ao 0 c .• Oif YNX'L! a « aafeo^ A& [[iuOSf - vwYAZt a x3I1M/r•.re Q31K 15Yr - .m19f'ea �[e' [ - c[ 1DA�]A'> -IO 441 AYw 314N - < 31VFXtl dY34 aM0 YLFRRI'E 10.[,�OXi foul O MM 4SN09dVAMU Auvinatmi MriVNINIn ONV NMO.A SNOSdNOHI —V 1A fL 00.00+� 's E (3o*4S SILL -S) 00'00+9 'DIS 0414040A 1: J:Y, rl —V 1A fL 00.00+� 's E Bic 3u ANvinNS"IOM'ImO'9'dWmV"N'Nn ONV IMIUMISRUST159a S INOHI NMOA SNO d M31A NVId SNMOII�N - Z MJnDIA o ^sC n\ I � 9J \ .......... vo cq• CL S. Cj s,'r /1; -`� oar'. 1 1 0-4ssl :;s+n -DIS sq"" CWt PIIAV—R a3IW1 - . 19 :Ma i - 1"amwvr - ­AW-1 aril �oeaoe emx•�o S y 3 X�tO3SKMMOH1 ANVInsw1 Q3NNNNn ONV N2103 SNOSdWOHI aai M31A Ntlld ONI W11NOW - Z 3i!l191i �S 1045 005) 00'OQ+fZ '015 0upippow 0 'o 'd e ,o j § fi �fi s 5 3 rRE � YEEi e� i , «vT 1 rm 1 v a° a 1 5 r -- ��• �,i� ' ��� rod � �, '•�� =__< a3 c i ' 1 o j�s• ro z 5 NtIOJ SMOSMOH1 M:JV-LnS1H-L M3WVNN0 (INV NHO-A SNOSdVYOHI my MAJA NVIagMIHDINON � Z BW)Old E P 0 't�4��+,� ���� � "�1;, I� � O ' I� amp 2m — u . i — m 16 " A A A ANvinewl 02VIVNNn aNV YN0=1 SNOSdV40HI 0"LiS siqL 00,00+9 K Ef '120 ova Ya cv ggn zi0al ry COMM sLL A10=1 SNOSMOHI \ ct Ea / 919 a ::i:a — I AWIMINIMWYNNA AUVInewl O3V4VNNn (INV j AdO=l SNOSdAOHi .1 oNawma" -a auncid 1, CL 9"Is Z CL all 4, \ - yy m.. 1A WZO& III. PROJECT CONDITION AND MONITORING RESULTS A. Vegetation Assessment 1. Soil Data Soil information was obtained from the NRCS Soil Survey of McDowell County, North Carolina (USDA NRCS, September, 1995). The soils along the mainstem of Thompsons Fork and its associated Unnamed Tributary include the Colvard Series consisting of loamy sediments ranging from 40 to 60 inches or more in thickness over deposits of sandy, loamy gravelly to cobbly sediments. Rock fragments range from 0 to 15 percent to a depth of 40 inches, and from 0 to 80 percent below 40 inches. Flakes of mica range from a few to common. Data on the soils series found within and near the project site is summarized in Table VI. Table VI. Preliminary Soil Data Thom sons Fork Stream Restoration / EEP Pro'ect No. D06030 -A Series Max. Depth in. % Clay on Surface K' T % Organic Matter Colvard loam CoA 60 8 -18 0.15 4 1 -2 Evard -Cowee complex (EwE) 30 1 7 -25 0.28 2 -5 1 -5 Iotla sandy loam IoA 60 1 12 -18 0.15 5 2 -5 'Erosion Factor K indicates the susceptibility of a soil to sheet and rill erosion, ranging from 0.05 to 0.69. 2Erosion Factor T is an estimate of the maximum average annual rate of soil erosion by wind or water that. can occur without affecting crop productivity, measured in tons per acre per year. 2. Vegetative Problem Areas Vegetative Problem Areas are defined as areas either lacking vegetation or containing populations of exotic vegetation. Each problem area identified during each year of monitoring is summarized in Table VII. Photographs of the vegetative problem areas are shown in Appendix A. Table VII. Vegetative Problem Areas Thom sons Fork Stream Restoration / EEP Project No. D06030 -A Feature/Issue Station # / Range Probable Cause Photo # UT: See Plan View Native Vine: encroachment from VPA 1 Invasive adjacent woodland Sericea lespedeza: encroachment from VPA 2 Population UT: See Plan View pasture FBare Floodplain I UT: See Plan View I Unknown: could be poor, rocky soil I VPA 3 The most notable vegetation problem area was occurring on the left bank of the unnamed tributary. A species of vine had spread into the riparian corridor from the adjacent wooded hillside, with the most dense concentration located in the area of Vegetation Plot 2. The species is a member of the pea family, likely Amphicarpaea bracteata (hog peanut), which is native to North Carolina. However, this vine was strangling the woody vegetation in and around the monitoring plot, where approximately 80% of the planted woody stems were suffering from vine Evans, Mechwart, Hambleton & Tilton, Inc. December 2009 Monitoring Report — Thompson Fork Monitoring Year 1 of 5 EEP Contract # D06030 -A Page 18 strangulation. Without control of the vine, tree mortality could be high in this area, jeopardizing the minimum stem count criteria. Because of this, the presence of the vine within the project corridor was considered a problem area of high priority, and management with herbicide treatments were conducted in the fall of 2009, with follow -up planned for the spring of 2010, to try and control the spread of this vine within the project corridor. Several areas along the unnamed tributary were noted to have low overall herbaceous cover along the riparian corridor on the right bank. These areas are patchy and scattered throughout the corridor, with none of the areas showing banks that are completely bare. However, due to the threat by invasive species in the same areas along the tributary, particularly Sericea lespedeza, the sparse vegetation is noted as an area of concern. If the herbaceous cover does not increase, the open patches will provide an avenue for colonization and spread of the invasive species. The coverage of herbaceous vegetation and the spread of Sericea lespedeza along the right bank of the tributary are considered areas of low concern at this time, and will therefore be watched during future years of monitoring. In addition, proactive management in the form of herbicide treatments were conducted on the lespedeza throughout the fall, with follow -up planned for the spring, to limit the impact of this species on the vegetative success of the project. 3. Vegetation Problem Area Plan View The location of each vegetation problem area is shown on the vegetative problem area plan view included in Appendix A. Each problem area is color coded with yellow for areas of low concern (areas to be watched) or red for high concern (areas where maintenance is warranted). 4. Stem Counts A summary of the stem count data for each species arranged by plot is shown in Table VIII. Table VIIIa provides the survival information for planted species, while Table VIIIb provides the total stem count for the plots, including all planted and recruit stems. This data was compiled from the information collected on each plot using the CVS -EEP Protocol for Recording Vegetation, Version 4.0. Additional data tables generated using the CVS -EEP format are included in Appendix A. All vegetation plots are labeled as VP on Figure 2. Evans, Mechwart, Hambleton & Tilton, Inc. December 2009 Monitoring Report — Thompson Fork Monitoring Year I of S EEP Contract # D06030 -A Page 19 Table VIIIa. Stem counts for each species arranged by plot - planted stems. Thompsons Fork Stream Restoration / EEP Project No. D06030 -A Species Plots Year 0 Year 1 Totals Survival 1 2 3 4 5 6 7 8 Totals Shrubs Aronia arbuti olia Alnus serrulata 3 3 3 3 8 7 9 6 42 42 100 Aronia arbutifolia 2 1 2 Ilex verticillata 1 1 6 6 100 Ilex verticillata Salix exi ua 2 5 21 2 2 100 Salix exi ua 2 2 3 5 2 Trees 7 7 100 Sambucus canadensis 1 46 Dios yros vir iniana 1 1 100 Trees Dios vros vir iniana Fraxinus pennsylvanica 9 1 15 9 4 2 1 1 100 Fraxinus pennsylvanica 9 20 15 9 4 2 Platanus occidentalis 59 59 100 Platanus occidentalis 5 1 2 Ouercus valustris 5 1 4 12 12 100 uercus palustris 1 1 1 l 1 1 1 1 6 6 100 Salix niQra 25 21 I 26 1 1 59 1 3 3 100 Year 1 Totals 14 24 19 18 20 21 10 13 139 139 100 Live Stem Densitv 567 972. 770 j 729 810 851 405 527 Average Live Stem Densitv 704 Table VHIb. Stem counts for each species arranged by plot - all stems. Thompsons Fork Stream Restoration / EEP Project No. D06030 -A Species Plots 11 21 31 41 51 61 71 8 Shrubs Alnus serrulata 4 3 3 61 8 7 9 6 Aronia arbuti olia 2 2 1 1 Aronia melanocar a 4 1 Ilex verticillata 1 2 Salix exi ua 5 21 1 Sambucus canadensis 1 2 2 3 11 2 Trees Betula s . 46 Dios yros vir iniana 1 Fraxinus pennsylvanica 9 20 15 9 4 2 Ju lans ni ra 1 1 Platanus occidentalis 2 5 1 4 Ouercus valustris 1 1 1 1 1 1 Salix nizra 1 1 1 Year 1 Totals 16 25 21 23 26 23 13 59 Live Stem Density 648 10131 8511 932 1G—r9—�-21 5271 2390 Average Live Stem Densitv 1043 Evans, Mechwart, Hambleton & Tilton, Inc. December 2009 Monitoring Report — Thompsons Fork Monitoring Year I of 5 EEP Contract # D06030 -A Page 20 The average stem density of planted species for the site exceeds the minimum criteria of 320 stems per acre after three years. Each individual plot also has a stem density above the minimum. In addition, a number of recruit stems have been found in all plots. The recruit stems increase the total stem density across the site by nearly 50 %. 5. Vegetation Plot Photos Vegetation plot photos are provided in Appendix A. B. Stream Assessment 1. Homologic Criteria Two crest -stage stream gages were installed on the project reaches, each of which is located at the bankfull stage at a riffle cross - section, one along the unnamed tributary and one along the Thompson Fork Mainstem. The locations of the crest -stage stream gages are shown on the monitoring plan view (Figure 2). Bankfull events were recorded during Year 1, as documented in Table IX. Table IX. Verification of Bankfull Events Date of Data Collection Date of Occurrence Method Photo # 9/21/09 1/6/09- 1/8/09* Crest gage at XS -6 on UT BF 1 9/21/09 1/6/09- 1/8/09* Crest gage at XS -7 on Mainstem BF 2 *Date is approximate; based on a review of recorded rainfall data In September 2009, the crest gage on the unnamed tributary registered a bankfull event at a height of 3.5" above the bottom of the crest gage. The crest gage on the mainstem of Thompsons Fork also documented a bankfull event, at a height of 5.75" above the bottom of the crest gage. These crest gages are set at or above the bankfull elevation of each stream channel. Photographs of the crest gages are shown in Appendix B. The most likely date for the bankfull event was after the rain events that occurred on January 6 and January 7. On these dates, rainfall as recorded in Rutherford, NC totaled 1.91 inches, with 1.03" on January 6 and 0.88" on January 7. As this was the largest precipitation event of significance since the completion of the as -built documentation, this is likely the bankfull event recorded by both crest gages. This corresponds to a high discharge event on January 8, as recorded at USGS Gage 02138500 Linville River at Nebo, NC, which lies approximately 15 miles west of Morganton and 5 miles east of Marion, NC. Other large precipitation events occurred on December 10 -11, 2008, with a total precipitation of 1.73" over the two days, and May 24 -26, 2009, with a total precipitation of 1.32" over the three day period. The discharge and gage height recorded at the Nebo station are shown on the hydrographs below. Evans, Mechwart, Hambleton & Tilton, Inc. December 2009 Monitoring Report — Thompsons Fork Monitoring Year 1 of 5 EEP Contract # D06030 -A Page 21 2888 0 m N low m IL a+ m m u a m as � 188 tr3 w ° s ° Nov 01 2008 USGS 02138500 LINVILLE RIVER NEAR NEBO, NC Jan 81 Mar 81 May 01 Jul 81 Sep 81 2009 2909 2889 2099 2999 - - -- Provisional Data Subject to Revision - - -- .Daily naxinun discharge — Daily nean discharge - Daily nininun discharge — Estinated daily nean discharge USGS Surface -Water Daily Data for North Carolina htM://waterdata. usp,sGov /ndnwis/dv? USGS 02138500 LINVILLE RIVER NEAR NEBO, NC 4.0 3.5 3.8 w i r 2.5 A m 2.0 1.5 �d 8.5 8.8 Nov 01 Jan 81 Mar 91 May 91 Jul 81 Sep 81 2M 2809 2889 2889 2889 2889 - - -- Provisional Data Subject to Revision - - Daily naxinun gage height — Daily nean gage height Daily nininun gage height USGS Surface -Water Daily Data for North Carolina httn:llwaterdata. u sgs.p,ovinc/nwWdy? Evans, Mechwart, Hambleton & Tilton, Inc. December 2009 Monitoring Report — Thompson Fork Monitoring Year 1 of S EEP Contract # D06030 -A Page 22 2. Stream Problem Areas A summary of the areas of concern identified during the visual assessment of the stream for Year 1 is included in Table X. Table X. Stream Problem Areas Thom sons Fork Stream Restoration / EEP Project No. D06030 -A Feature Issue Station Numbers Suspected Cause Photo Number Bank Scour 9 +80 Mainstem Scour at outside meander bend SPA 1 Scattered areas along Low flows allow wetland vegetation Mainstem and UT; to colonize the stream channel, which Other See SPA Plan View 1 could contribute to sedimentation SPA 2,3 One small area of bank scour was noted along the outside bank of a meander along the Thompson Fork Mainstem. The scour is isolated to a small area, and given the robust vegetation of the riparian corridor, this area is expected to remain isolated. This problem area is considered low concern at this time, as the scour area itself will likely become vegetated, providing natural bank stabilization without the need for mechanical intervention. There are scattered areas throughout the project reaches that are developing wetland vegetation within the stream channel, particularly along the unnamed tributary. While the wetland vegetation is beneficial for water quality, there is the potential that the vegetation will decrease flows, particularly during times of low flow, thereby allowing sediment to drop into the channel. This type of problem tends to exacerbate itself, as continuing sedimentation allows for further colonization and growth of wetland plants. These areas are therefore included in the problem area table as low concern areas that will be watched in future years to ensure the channel remains viable as a stream, and does not aggrade into a linear wetland type feature. 3. Stream Problem Areas Plan View The locations of problem areas are shown on the stream problem area plan view included in Appendix B. Each problem area is color coded with yellow for areas of low concern (areas to be monitored) or red for high concern (areas where maintenance is warranted). 4. Stream Problem Areas Photos Photographs of the stream problem areas are included in Appendix B. 5. Fixed Station Photos Photographs were taken at each established photograph station on September 17 and September 18, 2009. These photographs are provided in Appendix B. 6. Stability Assessment Table The visual stream assessment was performed to determine the percentage of stream features that remain in a state of stability after the first year of monitoring. The visual assessment for each Evans, Mechwart, Hambleton & Tilton, Inc. December 2009 Monitoring Report — Thompsons Fork Monitoring Year I of 5 EEP Contract # D06030 -A Page 23 reach is summarized in Table XIa and Table XIb. This summary was compiled from the more comprehensive Table B1, included in Appendix B. Only those structures included in the as -built survey were assessed during monitoring and reported in the tables. Table XIa. Categorical Stream Feature Visual Stability Assessment Thompsons Fork Stream Restoration / EEP Project No. D06030 -A Se ment/Reach: Mainstem Feature Initial MY -01 MY -02 MY -03 MY -04 MY -05 A. Riffles'- 100% 100% B. Poolsz 100% 100% C. Thalwe 100% 100% D. Meanders 100% 99% E. Bed General 100% 99% F. Vanes / J Hooks etc.' 100% 100% G. Wads and Boulders4 N/A N/A Table XIa. Categorical Stream Feature Visual Stability Assessment Thompson Fork Stream Restoration / EEP Project No. D06030 -A Se ment/Reach: UT Feature Initial MY -01 I MY -02 MY -03 MY -04 MY -05 A. Riffles' 100% 100% B. Poolsz 100% 96% C. Thalwe 100% 100% D. Meanders 100% 100% E. Bed General 100% 100% F. Vanes / J Hooks etc. 4 N/A N/A G. Wads and Boulders N/A N/A H. Log Sills' 100% 95% 'Riffles are assessed using the longitudinal profile. A riffle is determined to be stable based on a comparison of location and elevation with respect to the as -built profile. zpools are assessed using the longitudinal profile. A pool is determined to be stable based on a comparison of location and elevation with respect to the as -built profile and a consideration of appropriate depth. 'Physical structures such as vanes, J- hooks, and log sills are assessed using the as -built plan sheets to define the location of such features. A structure is considered stable if the feature remains functional in the same location as shown in the as -built plan. 4Those features not included in the stream restoration were labeled N /A. This includes structures such as rootwads and boulders. The visual stream stability assessment revealed that the majority of in- stream structures are functioning as designed and built on the Thompsons Fork mainstem and unnamed tributary. One meander along the mainstem reach has a minor amount of scouring around an outside bend. The only other category on the mainstem reach that includes features performing in a state unlike that of the as -built include areas of wetland formation. It appears that narrow bars forming along the stream banks are becoming vegetated with wetland species. Wetland plants are excellent for Evans, Mechwart, Hambleton & Tilton, Inc. December 2009 Monitoring Report — Thompsons Fork Monitoring Year I of 5 EEP Contract # D06030 -A Page 24 water quality, but these areas have been noted under the aggradation feature category for future monitoring. Minor aggradation is also occurring in a few locations along the unnamed tributary to Thompson Fork. Sedimentation has occurred in a few of the pools located near the log sills installed for grade control, thus decreasing the maximum pool depth. All pools and associated log sills are still present and functional throughout the stream channel, including those with noted sedimentation. 7. Quantitative Measures Graphic interpretations of cross - sections, profiles and substrate particle distributions are presented in Appendix B. A summary of the baseline morphology for the site is included in Tables XII and X1II for comparison with the monitoring data shown in the tables in the appendix. The stream pattern data provided for As -Built and Year 1 is the same as the data provided from the As -Built survey, as pattern has not changed based on the Year 1 stream surveys and visual field assessment. Bedform features continue to evolve along the restored reaches as shown on the long -term longitudinal profiles. Dimensional measurements of the monumented cross - sections remain stable when compared to as -built conditions. The comparison of the As -Built and Year 1 long -term stream monitoring profile data show stability with minimal change from as -built conditions, after consideration of a software anomaly that resulted in a shift in the locations of profile features in Year 1 versus Year 0. RiverMorph uses the shortest straight line distance between the consecutive survey points to create the stationing for the profile. The Year 1 survey represents a larger number of collected survey points which will lead to a higher cumulative length of stream profile, particularly affected by the number of points collected around each meander bend. The lengthening of the stream profile in Year 1 also affects the locations of each pool and riffle with respect to the Year 0 profile. In fact, the pool and riffle features remain in the same locations shown on the as -built mitigation plan, with only slight adjustments. As such, we have evaluated stability from the standpoint of comparing features between the Year 0 and Year 1 profiles with the understanding of the `shift' in these features between the profiles. For the unnamed tributary, riffle lengths and slopes are stable. While the median pool to pool spacing is stable, the maximum pool spacing has decreased in Year 1. The same trend is true for the mainstem profile data, where the median values are stable, but the maximum values have decreased. This is a result of the shorter length of profile analyzed for the Year 1 monitoring, since only a portion of each stream was surveyed, as compared to the entire length of both reaches surveyed for the as -built documentation. The substrate of the constructed riffles on the unnamed tributary has stabilized, with a median particle size of coarse gravel as compared to a median particle distribution of fine to very coarse gravel reported for the as -built condition. On the Thompsons Fork mainstem, there was a minor shift to a more stable median distribution of coarse to very coarse gravel as compared to the as- built distribution of fine to medium gravel. The pool substrate remains stable as well, with median particle sizes consisting of very fine particles in the silt /clay category, based on the Year 1 substrate analysis. Remedial maintenance work on the restored reaches is not warranted at this time. Evans, Mechwart, Hambleton & Tilton, Inc. December 2009 Monitoring Report — Thompson Fork Monitoring Year I of S EEP Contract # D06030 -A Page 25 O O N O � � y U ❑❑ N M s � a ~ S O o yy� ,y b abi C Y C p a o v w o �.b o vh N r- q 0 O M ^ 'n '!ii "O -q In --I IM1 N C' 10 ' — O, gD C, �j ~ M O V ^' [V N M .-. M~ M QOi N N •--• m 'A N 1� N N '" O O V' O �N+ . O O U o, �o r', v�P Qtv, ric oo C, ao0o"I: c;rncl NIA AM � � '~ N <+Ml C •-- t01'1 .•-' d' M i � _ � � N .-. M �p .r M 00 O W -- o m• a% M o0 m� �. 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METHODOLOGY Vegetation monitoring was conducted in September 2009 using the CVS EEP Protocol for Recording Vegetation, Version 4.0 (Lee, M.T., Peet, RK., Roberts, S.R., Wentworth, T.R. 2006). Stream monitoring was conducted in July 2009 to provide adequate time between the as -built survey (completed in June 2008) and the Year 1 monitoring survey. Subsequent stream monitoring will occur in the summer of Years 2 through 5 to provide a full year between surveys. Vegetation monitoring will continue to be conducted in the fall of each subsequent year of monitoring, providing a full year between vegetative surveys. Evans, Mechwart, Hambleton & Tilton, Inc. December 2009 Monitoring Report — Thompson Fork Monitoring Year I of S EEP Contract # D06030 -A Page 28 APPENDIX A Vegetation Raw Data 1. Vegetation Problem Area Photos Vegetation Problem Area Plan View Vegetation Monitoring Plot Photos 4. Vegetation Data Tables VPA I View of the dominance by a vine in Vegetation Plot 2, considered a problem area of high concern. The planted woody vegetation is facing strangulation by the vine in this area. (EMH &T, Inc. 9/18/09) VPA 2 Overview of the patchy spread of Sericea lespedeza along UTI, considered a problem area. of low concern. (EMH &T, Inc. 9/18/09) VPA 3 View of the patchy vegetation along the right bank of UT1. This is only considered a problem due to the threat of spread by Sericea lespedeza in the same area of the project. (EMH &T, Inc. 9/18/09) M31A NVId V3W halSONd NOl1V1203A VXION3ddY )aivinsiul aaWVNNn C1NV .. A10:1 SNOSdWOHl 'N "I C, C: (U W E 0 LLJ u m x 0) Ld Of w < LO N. O'A a Jill I J,l I I I I L7 A Vegetation Plot 1 Monitoring Year 1 (EMH &T, Inc. 9/18/09) Vegetation Plot 2 Monitoring Year 1 (EMH &T, Inc. 9/18/09) Vegetation Plot 3 Monitoring Year 1 (EMH &T, Inc. 9/18/09) Vegetation Plot 4 Monitoring Year 1 (EMH &T, Inc. 9/18/09) Vegetation Plot 5 Monitoring Year 1 (EMH &T, Inc. 9/18/09) Vegetation Plot 6 Monitoring Year 1 (EMH &T, Inc. 9/18/09) Vegetation Plot 7 Monitoring Year 1 (EMH &T, Inc. 9/18/09) Vegetation Plot S Monitoring Year 1 (EMH &T, Inc. 9/18/09) u u E N � L 0 (6 _� L l0 Q E N — C E U Y M --. NC E O u aJ f6 N U O (n Y N 4+ > > N C C N a) C 0 7 to v 41 O vCA U X N O al O O u L 7 � .N U C 1 � a a � a - a f6 N > L M N N � all E > v C L U N cu O_ +�+ a) N N a) U O > 4- O O N O a) �' G U m +' f6 a1 L _ m N .T O 4-- U w � lC D vi U ,� a1 gym., "a O N O CL C +•� aJ f0 L L t i 0 Q.. 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N L L m E m E Vf a 'o' 'o' y> L a. a +' -W E a vUi a 0 0 o°a o°c� J O c' v s E a% M ro ro 'a O W 2 L L a > > ro coo m m J Q OC a L a L n. ai o oc ar +, IA L to d oc M - ce o 'a v 4- o a a Table 2. Vegetation Vigor by Species Species 4 3 2 1 0 Missing Unknown Alnus serrulata 40 2 Aronia arbutifolia 2 4 Diospvros virsiniana 1 Fraxinus pennsylvanica 5130 17 71 1 Ilex verticillata 11 1 Quercus palustris 4 2 Salix nigra 2 1 Sambucus canadensis 1 Platanus occidentalis 6, 5 1 Salix exigua 7 TOT: 110 j 671 18 7 Table 3. Vegetation Damage by Species _ IA a� L O M M d C C M M Gw M M 'O N a O C Alnus serrulata 42 38 4 Aronia arbutifolia 6 6 Diospvros virginiana 11 1 Fraxinus vennsvlvanica 59 41 18 Ilex verticillata 2 2 Platanus occidentalis 12 12 Quercus palustris 6 6 Salix exigua 71 7 Salix nigra 3 3 Sambucus canadensis 1 1 TOT: 10 139 117 22 Table 4. Vegetation Damage by Plot a� L cc U - 10 j t M C i M M M V1 a a O 6 C D06030A -01- 0001 -yea r:1 14 14 D06030A -01- 0002 - year:l 24 5 19 D06030A -01- 0003 -yea r:1 19 19 D06030A -01- 0004 -yea r:l 18 18 D06030A -01- 0005 - year:l 20 20 D06030A -01- 0006 -yea r:1 211 21 D06030A -01- 0007 - year:l 10 7 3 D06030A -01- 0008 -yea r:1 13 13 TOT: Is 139 117 22 Table 5. Stem Count by Plot and Species - Planted Stems L L L L L L L L O O O O O O O O �C G O 9 O 0 O 9 O 9 O 0 O 9 O 0 O 9 w !'I O rl O rl O rl O ri O r I O rl rl O VO a a a a a a a a C O O O O O O O O M a o a 0 0 0 _0 0 0 _o _o N H U f0 C_ 0-1 C. C. I C_ j C. CL I C. Alnus serrulata 42 8 5.25 3 3 3 31 81 7 9 6 Aronia arbutifolia 6 4 1.5 2 2 1 1 Diospvros virginiana 1 1 1 1 Fraxinus Pennsvlvanica 591 6 9.83 9 20 15 9 4 21 1 Ilex verticillata 21 1 2 1 2 Platanus occidentalis 12 4 3 2 5 1 4 Quercus palustris 6 6 1 1 1 1 1 1 Salix exieua 7 2 3.5 5 2 Salix nigra 3 3 1 111424 1 1 1 Sambucus canadensis 1 1 1 1 TOT: 10 139 10 191 181 20 21 10 13 Table 6. Stem Count by Plot and Species - All Stems L L L L L L L L O O O O O O O O 9 9 9 0 9 9 9 0 H E N O O O O O O O O „ a a a a a a a a N U jp O O 0 O 0 O 0 O 0 O 0 O 0 O 0 O 0 a .n o a ft � M a o c c o j a IQ a Alnus serrulata 46 8 5.75 4 3 3 6 8 7 9 6 Aronia arbutifolia 6 4 1.5 2 2 1 1 Aronia melanocaroa 51 2 2.5 4 1 Diospyros virginiana 1 1 11 1 1 1 Fraxinus pennsylvanica 59 6 9.83 9 20 15 91 4 2 Ilex verticillata 2 1 2 1 2 Juglans nigra 2 2 1 1 1 Quercus palustris 6 6 1 1 1 1 1 1 1 Salix niera 3 31 1 1 1 1 1 Sambucus canadensis 11 6 1.83 11 2 2 3 1 2 Betula 46 1 46 1 46 Platanus occidentalis 12 4 3 1 1 1 2 5 1 4 Salix exigua 1 71 2 3.5 1 1 1 5 2 TOT: 13 12061 13 1 161 251 211 23 26 23 13 59 APPENDIX B Geomorphologic Raw Data 1. Stream Problem Areas Plan View 2. Stream Problem Area Photos 3. Fixed Station Photos 4. Table B1. Qualitative Visual Stability Assessment 5. Cross Section Plots 6. Longitudinal Plots 7. Pebble Count Plots 8. Banlfull Event Photos U m W w w y 0 7' 'Oft _ 6 „ f - -a u -wr PW * K 1 a YI;[ioi &xvo-i;W7 I wow AB aviow - Ow MYN[! &W-VVC4017 4MMW A/ MMS JS" - SiWWO :lilt f - <! 1n01VO —V mYm �mi to M31A NVId V38V W31908d WV2UIS _ 8 XION3ddV )wvins Il 03WVNNn ONV B6° "9002 8002 ° °' °O «a NNOA SNOSdWOHl vrvnoaeo esao aow _ UI � - L O O � � o 0 " Q n U = o_ • • -. - .0 V 1 -.. _ �— m U m W w w y 0 7' 'Oft _ 6 „ f - -a u -wr PW * K 1 a YI;[ioi &xvo-i;W7 I wow AB aviow - Ow MYN[! &W-VVC4017 4MMW A/ MMS JS" - SiWWO :lilt f - <! 1n01VO —V mYm �mi to SPA 1 Minor bank slumping along the left bank of Thomspons Fork near station 9 +80. (EMH &T, Inc. 9/18/09) SPA 2 Wetland vegetation forming within the stream channel on UT1. There are several wetland areas found along this stream. (EMH &T, Inc. 9/18/09) SPA 3 Wetland vegetation forming within the stream channel on Thompsons Fork near station 8 +75, causing a narrowing of the channel. (EMH &T, Inc. 9/18/09) Fixed Station 1 Overview of valley along UT1 near the upstream terminus of the project, approximately Station 4 +00, facing downstream. (EMH &T, Inc. 9/18/09) Fixed Station 2 Overview of valley along UT1 near the midpoint of the project, approximately Station 10 +75, facing upstream. (EMH &T, Inc. 9/18/09) Fixed Station 3 Overview of valley along UTl near the midpoint of the project, approximately Station 10 +75, facing downstream. (EMH &T, Inc. 7/18/09) Fixed Station 4 Overview of valley along UT1 near the downstream terminus of the project, just north of South Creek Road, facing upstream. (EMH &T, Inc. 9/18/09) Fixed Station 5 Overview of valley along UTl at the downstream terminus of the project, facing upstream. (EMH &T, Inc. 9/17/09) Fixed Station 6 Overview of valley along the mainstem near the downstream terminus of the project, facing upstream. (EMH &T, Inc. 9/17/09) Fixed Station 7 Overview of valley along the mainstem near the midpoint of the project, approximately Station 12 +00, facing downstream. (EMH &T, Inc. 9/17/09) Fixed Station 8 Overview of valley along the mainstem near the midpoint of the project, approximately Station 11 +50, facing upstream. (EMH &T, Inc. 9/17/09) Fixed Station 9 Overview of valley along the mainstem near the upstream terminus of the project, facing downstream. (EMH &T, Inc. 9/18/09) _ o �• o Q z L O O O O �. O Z 0) 7 p C ca ca r r r r a) L d H 00000 0.00 00 00000 O O 0000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 O 0 T 0 T 0 T 0 T C) T Z Z C � O T T T T T r T T T T T T T a O CC)0000C'o00To,OO o00�Q N ,a? Z Z LO O 7 C 0 Z M C o is N N N N N N N N NI N Ni N N Q' 0 0 0 0 0 C, O .Nrt Q G Cy �O A H C Q N N N N N NI N N N N T N N N Q 0 0 0 0 0 Q; Q y z d �� It 't It It Z Z T T r T Z: Z (6 a y Za co � C lw Cl. 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