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HomeMy WebLinkAbout20071055 Ver 1_Year 4 Monitoring Report_20111102UN-) � b55 CUTAWHISKIE CREEK STREAM AND WETLAND RESTORATION SITE 2011 ANNUAL MONITORING REPORT (YEAR 4) HERTFORD COUNTY, NORTH CAROLINA NCEEP CONTRACT NO. D06066 -A PREPARED FOR: NCDENR — ECOSYSTEM ENHANCEMENT PROGRAM 1652 Mail Service Center Raleigh, North Carolina 27699 -16152 I- -ago AugC11161 PREPARED BY: RESTORATION SYSTEMS, LLC 1101 Haynes Street, Suite 211 Raleigh, North Carolina 27604 Tel (919) 755 -9490 Fax (919) 755 -9492 AND Atkins North America, Inc. 1616 East Millbrook Road, Suite 310 Raleigh, North Carolina 27609 Tel (919) 876 -6848 Fax (919) 828 -3518 NOV - 2 2011 NC ECOSYSTEM ENHANCEMENT PROGRAM TABLE OF CONTENTS 1.0 EXECUTIVE SUMMARY .............................................................................. ............................... 1 2.0 PROJECT BACKGROUND ............................................................................ ............................... 5 TableIII 2.1 Project Objectives ................................................................................. ..............................5 TableIV 2.2 Project Structure, Restoration Type, and Approach ............................ ............................... 5 2.3 Location and Setting ............................................................................ ............................... 6 10 2.4 History and Background ...................................................................... ............................... 7 3.0 PROJECT MONITORING AND RESULTS .................................................... ..............................9 Categorical Stream Feature Visual Stability Assessment ..................... ............................... I 1 3.1 Vegetation Assessment ......................................................................... ..............................9 Baseline Morphology and Hydraulic Summary ................................... ............................... 12 3.2 Stream Assessment .............................................................................. .............................10 Morphology and Hydrologic Monitoring Summary ............................ ............................... 13 3.3 Wetland Assessment ............................................................................ .............................15 Wetland Criteria Attainment ................................................................ ............................... 4.0 METHODOLOGY ......................................................................................... ............................... 15 5.0 REFERENCES ............................................................................................... ............................... 15 APPENDIX A: VEGETATION RAW DATA Vegetation Survey Data Tables Al -A6 Site Vegetation Photo Stations Vegetation Monitoring Plot Photos APPENDIX B: GEOMORPHOLOGIC RAW DATA Table B2. Visual Morphological Stability Assessment Cross - Section Plots: B -1 to B -6 and Stream Photos Longitudinal Profile Plot Bankfull Event Photos APPENDIX C: WETLAND RAW DATA Monitoring Gauge Hydrographs APPENDIX D: CURRENT CONDITIONS AREA PLAN VIEW LIST OF TABLES Table I Project Restoration Components ............................................................. ..............................6 Table II Project Activity and Reporting History ................................................... ..............................7 TableIII Project Contacts ....................................................................................... ..............................8 TableIV Project Background ................................................................................. ..............................9 Table V Vegetation Plot Summary .................................................................... ............................... 10 Table VI Hydrological ( Bankfull) Verification ................................................... ............................... 10 Table VII Categorical Stream Feature Visual Stability Assessment ..................... ............................... I 1 Table VIII Baseline Morphology and Hydraulic Summary ................................... ............................... 12 Table IX Morphology and Hydrologic Monitoring Summary ............................ ............................... 13 Table X Wetland Criteria Attainment ................................................................ ............................... 16 NCEEP Contract No. D06066 -A i 2011 Monitoring Report LIST OF FIGURES Figure1. Site Location .......................................................................................... ............................... 3 Figure 2A, 2B. Current Conditions Plan View ............................................. ............................... Appendix D Figure 3. Cutawhiskie Creek 30 -70 Precipitation Graph ............................. .......................Appendix C NCEEP Contract No. D06066 -A ii 2011 Monitoring Report 1.0 EXECUTIVE SUMMARY The Cutawhiskie Creek Restoration Site (hereafter referred to as the "Site ") was constructed for the North Carolina Ecosystem Enhancement Program ( NCEEP) to provide compensatory stream and wetland mitigation in the Chowan River Basin. This restoration project is located on an unnamed tributary (UT) to Cutawhiskie Creek on a 22.9 acre Site located in Hertford County (Figure 1). The project includes stream restoration (Priority 1) and preservation, as well as riparian wetland restoration and enhancement. The following report summarizes the monitoring activities that have occurred in the fourth year of project monitoring (2011) at the Site. Site construction began and was completed in November 2007. As -built surveys for the Site were performed in February 2008, and first year monitoring was conducted in 2008. To be deemed successful the Site must satisfy vegetative and hydrologic success criteria; and verify restored stream channel stability for a minimum of five years or until the success criteria is achieved. The following report summarizes the results of the 2011 monitoring. Vegetation Assessment Vegetation monitoring for Year 4 was performed based on the Carolina Vegetation Survey (CVS) Levels I and 2 (Lee et al. 2006). CVS methodology determines density and survival of planted species, and individuals resulting from natural regeneration. Plot locations are shown in Figures 2A and 2b (Appendix D). The taxonomic standard for vegetation follows Flora of the Southern and Mid - Atlantic States (Weakley 2010). Vegetative monitoring success will be achieved if plot data indicates the average number of planted stems exceeds 320 stems per acre after the third year of monitoring and 260 stems per acre after the fifth and final year of project monitoring. Based on Year 4 surveys, the average count of the surviving planted species is 461 stems per acre. If volunteer species are included, the total number of stems increases to 5,771 stems per acre. The Site has met the 4`h year criterion and is on target to exceed the established success criteria for vegetation based on the survival of the planted species. Stream Assessment Success criteria for the restored stream reach has been established to confirm that no significant changes have occurred to the dimension, pattern, profile, and bed material over the 5 -year monitoring period. Location surveys of the constructed features were conducted to verify the performance of the stream. A total station survey was performed to describe the stream longitudinal profile and six permanent stream cross - sections (3 riffles and 3 pools). Overall, the stream channel bed form and banks are stable. Based on the cross - sections, longitudinal profile and visual observations, the channel dimensions have not changed significantly compared to as -built conditions. Wetland Hydrology Assessment Success criteria for wetland hydrology require that restored wetland areas be inundated or saturated by groundwater within 12 inches of the ground surface for a period of time during the growing season NCEEP Contract No. D06066 -A 1 2011 Monitoring Report THIS PAGE INTENTIONALLY LEFT BLANK NCEEP Contract No. D06066 -A 2 2011 Monitoring Report CHOWAN RIVER BASIN HERTFORD (CU03010204) COUNTY eher „� 258j onto y` t t o urfrees o �7 - Ma leton 3 1 n +ylin[on 7 7 1!1 5 461 ' Menola Union Cohela i F 06 R HarDrellsv St. John 7h. q: hoskie 10 561 6 008 n 4 7� Roanoke- Chowon CC 6 SITE DIRECTIONS: From Woodland, travel East on US Route 258 2.5 mules Turn Right on Jim Hardy Road. continue 2 mites.' Site is on Right qwii- ... O.'�SG` it .• \ / J% "•' .....r -_% i r a.,• p9 ,lam. A_ �( —..� 3 r s Po Porecqu � x�a SITE r LOCATION �� � a6, i it Waodlmd -^ % -• _ 13 AV kb,-t', k _ Z \ � ,yam¢ .. `` �I ,, t� A. �'rryr'7 g RQ i ieek. � 2 MILES ' 0 2 MILES �, r - i`ry' acs e \` SCALE: 1"=2 MILES Prepared by: Project: t SITE LOCATION Dwn. By: Ckd By: FIGURE RLJ JWG CUTAWHISKIE CREEK Date: RESTORATION SITE OCT 201 Scale: MONITORING REPORT AS SHOWN ESC Project No.: Hertford County, North Carolina 100004926 THIS PAGE INTENTIONALLY LEFT BLANK NCEEP Contract No. D06066 -A 4 2011 Monitoring Report consistent with other wetlands located in similar settings. The growing season in Hertford County begins on March 28 and ends on November 7 (225 days). In order to achieve hydrologic success, saturation within 12 inches of the ground surface is required for between 12 and 28 consecutive days (5 to 12.5 percent). The results of the Year 4 hydrologic monitoring indicate that all gauges exhibited saturation within 12 inches of the ground surface for at least 7.6 percent of the growing season. The period of saturation ranges from 17 to 44 days or (7.6 and 19.6 %) with an average of 29.8 days (13.2 %) of the growing season. 2.0 PROJECT BACKGROUND 2.1 Project Objectives Site restoration activities included the excavation of a new stream channel, limited floodplain excavation, removal of stumps and debris, existing channel backfilling, on -site drainage ditch removal, and final grading and soil preparation within the adjacent floodplain. These activities were proposed in order to reintroduce surface water flood hydrodynamics from a 0.9- square mile watershed along the newly restored length of stream and floodplain. The new channel was constructed to reflect regional stream characteristics and accommodate bankfull flows. Characteristic wetland soil features, groundwater wetland hydrology, and hydrophytic vegetation communities are expected develop in areas adjacent to the constructed channel. Wetland and adjacent slope soil surfaces were restored and the Site reforested to promote riparian and upland slope hardwood communities. Plant community associations were designed to mimic various indigenous communities described by Schafale and Weakley (1990), including Coastal Plain Levee Forest, Cypress -Gum Swamp, Mesic —Mixed Hardwood Forest, and Coastal Plain Small Stream Swamp. Specific ecological benefits anticipated as a result of on -Site restoration activities are as follows: • Stream channel restoration will reintroduce stable bankfull dimension, pattern, and profile along restored stream reaches, which is expected to enhance lotic habitat quality and stream function. • Floodplain excavation adjacent to restored streams will restore the characteristic flood regime, as well as provide a lateral hydrologic input to restored wetland areas adjacent to the UT and within the greater Cutawhiskie Creek floodplain. • Restored and enhanced wetland areas will help to improve water quality via nutrient removal, increase local vegetative biodiversity, provide wildlife habitat, and serve as a forested corridor, linking the Site with adjacent forested areas. 2.2 Project Structure, Restoration Type, and Approach The primary restoration features within the Site include the UT to Cutawhiskie Creek and approximately 11.9 acres of drained, hydric soils. The UT had been dredged and straightened, such that it did not exhibit stable dimension, pattern, and profile features. Side -cast material (spoil piles) from dredging was deposited along the west bank of the former channel. A moderate headcut (approximately 2 foot drop in elevation over 20 linear feet of stream channel) was observed near the upstream (north) extent of the Site boundary, indicating vertical instability. Due to its high level of entrenchment caused by dredging, large flooding events were confined within the former channel. NCEEP Contract No. D06066 -A 5 2011 Monitoring Report On -site restoration activities provide the following project mitigation units: Table I: Project Restoration Components Cutawhiskie Creek Restoration Site — EEP Contract No. D06066 -A Mitigation Units Linear Footage Project Segment Mitigation (LF) or Reach ID Type Approach or Acreage (AC) Stationing_ Comment UT to Cutawhiskie Creek R Pi 2,540 LF 0+00-25+40 (active restoration) Passive restoration through floodplain UT to Cutawhiskie not stationed. Creek R NA 359 LF NA Braided reach measured as straight (passive restoration) line distance to outfall 2593 LF actual design units, Stream Preservation P NA 519 LF NA however only (Cutawhiskie Creek) 20 percent is available for SMU Riparian Wetland R NA 11.9 AC NA Restoration 1.1 AC actual design units, Riparian Wetland WE NA 0.6 AC NA however only Enhancement 0.6 LF available as WMU R = Restoration PI = Prionty 1 P = Preservation NA = Not applicable WE = Wetland Enhancement 2.3 Location and Setting Land uses in the vicinity of the Site consist primarily of agriculture, forest, pastureland, roadside shoulders, and residential lots. Row crops including soybeans, cotton, and corn are actively cultivated on the Site and surrounding areas. The Site is immediately adjacent to active rowcrop agriculture and timberland. There is no livestock or poultry production in the vicinity. Timber is actively harvested from adjacent forested areas. A large, contiguous bottomland hardwood stand was harvested just west of the Site along the Cutawhiskie floodplain in the spring of 2006. The Site encompasses approximately 22.9 acres of primary and secondary floodplain associated with Cutawhiskie Creek. The Site includes a UT that flows into Cutawhiskie Creek from the north (Figure 1). Portions of the Site had been logged prior to restoration activities, while other areas within the Site were actively managed for timber or agricultural production. Prior to restoration, the Site vegetation was generally characterized by bottomland hardwood forests along un- logged areas on the Cutawhiskie Creek floodplain and low NCEEP Contract No. D06066 -A 6 2011 Monitoring Report terraces, row crops including soybeans and corn, and successional communities associated with cut -over timberland. 2.4 History and Background Table II. Project Activity and Reporting History Cutawhiskie Creek Restoration Site — EEP Contract No. D06066 -A Activity Report Scheduled Completion Data Collection Complete Actual Completion or Delivery Restoration Plan N /A* December 2007 January 2007 Final Design (90 percent) N /A* December 2007 January 2007 Construction N /A* N /A* November 2007 Temporary S &E mix applied to entire project area November 2007 N /A* November 2007 Permanent seed mix applied to reach/segments November 2007 N /A* November 2007 Bare Root Seedling Installation February 2008 N /A* February 2008 Mitigation Plan April 2008 February 2008 April 2008 Minor repairs made filling small washed out areas N /A* N /A* N /A* Final Report N /A* N /A* N /A* Year I Vegetation Monitoring November 2008 August 2008 November 2008 Year 1 Stream Monitoring November 2008 September 2008 November 2008 Year 2 Vegetation Monitoring November 2009 September 2009 December 2009 Year 2 Stream Monitoring November 2009 September 2009 December 2009 Year 3 Vegetation Monitoring November 2010 September 2010 November 2010 Year 3 Stream Monitoring November 2010 September 2010 November 2010 Year 4 Vegetation Monitoring November 2011 September 2011 November 2011 Year 4 Stream Monitoring November 2011 September 2011 1 November 2011 *N /A- Activities and reporting history for these items are not applicable to this restoration project NCEEP Contract No. D06066 -A 7 2011 Monitoring Report Table I1I. Project Contacts Cutawhiskie Creek Restoration Site — EEP Contract No. D06066 -A Prime Contractor Restoration Systems, LLC 1101 Haynes Street, Suite 211 Raleigh, NC 27604 (919) 755 -9490 Designer Atkins (previously EcoScience Corporation/PBS &J) 1616 East Millbrook Road, Suite 310 Raleigh, NC 27609 (919) 876 -6888 Construction Contractor Anderson Farms 179 NC 97 East Tarboro, NC 27886 (252) 823 -4730 Planting Contractor Carolina Silvics 908 Indian Trail Road Edenton, NC 27932 (919) 523 -4375 Seeding Contactor Anderson Farms 179 NC 97 East Tarboro, NC 27886 (252) 823 -4730 Seed Mix Sources Erosion Supply Company 8817 Midway West Rd Raleigh, NC 27617 (919) 787 -0334 Nursery Stock Suppliers South Carolina Super Tree Nursery Company 5594 Highway 38 South Blenheim, SC 29516 (800) 222 -1290 Monitoring Performers Atkins North America, Inc. 1616 East Millbrook Road, Suite 310 Raleigh, NC 27609 (919) 876 -6888 Stream Monitoring POC Jens Geratz Vegetation Monitoring POC Jens Geratz NCEEP Contract No. D06066 -A 8 2011 Monitoring Report Table IV. Project Background Cutawhiskie Creek Restoration Site — EEP Contract No. D06066 -A Project County Hertford Drainage Area 0.9 square miles Impervious cover estimate M 0 Stream Order (UT/ Cutawhiskie Creek) 1 st order / 3rd order Physiographic Region Coastal Plain Ecoregion (Griffith and Omernik) Mid- Atlantic Flatwood Rosgen Classification of As -built E5 Cowardin Classification Stream (R3UB2) Dominant soil types Craven fine sandy loam (Aquic Hapludults) Leaf loam (Typic Albaquults) Wilbanks silty clay loam (Cumulic Humaquepts) Reference Site ID Black Branch, Bullard Branch, UT to Town Creek USGS HUC for Project 03010204 NCDWQ Sub -basin for Project 03 -01 -02 NCDWQ classification for Project C -NSW Any portion of any project segment 303d listed? No Any portion of any project segment upstream of a 303d listed segment? No Reasons for 303d listing or stressor N/A Percent of project easement fenced N/A 3.0 PROJECT MONITORING AND RESULTS 3.1 Vegetation Assessment Five vegetation monitoring (10 x 10 m2) plots were established to monitor planted vegetation within Site's restoration and enhancement areas. Site vegetation was monitored in accordance with the guidelines and procedures developed by the Carolina Vegetation Survey (CVS) (CVS -EEP Protocol for Recording Vegetation, Level 1 -2 Plot Sampling Only, Version 4.0, 2006). Established vegetation monitoring plot locations are displayed on the Current Conditions Area Plan View (Appendix D). Vegetative monitoring success will be achieved by plot data indicating an average number of planted stems exceeding 320 stems per acre after the third year of monitoring and 260 stems per acre after the fifth and final year of project monitoring. During Year 4 monitoring, the Site exceeded the vegetation success criteria with an average of 461 planted stems per acre. If volunteer species are included, the total number of stems increases to 5,771 stems per acre. Table V summarizes vegetation plot density for the first four years of monitoring. Refer to Appendix A for CVS vegetation data collected during Year 4 monitoring. Chinese privet (Ligustrtun sinense), an exotic invasive, was found growing densely along the lower reach of the stream channel. During the winter of 2010, the Prime Contractor (Restoration Systems LLC) initiated their plan to manage exotic species Chinese privet on the Site. Dense thickets of Chinese privet NCEEP Contract No. D06066 -A 9 2011 Monitoring Report were sprayed along the southwestern Site boundary (Figure 2A and 2B, Appendix D) and solitary specimens located along Cutawhiskie Creek. Given the vigorous nature of Chinese privet, the Site will continue to be monitored in order to maintain control of the species. Table V. Vegetation Plot Summary Planted Stems per Acre Cutawhiskie Creek Restoration Site — EEP Contract No. D06066 -A Plot MY -01 MY -02 MY -03 MY -04 MY -05 1 728 688 688 526 See 2010 Monitoring Report 2 688 647 647 567 08 -27 -11 3 688 688 567 607 4 1 688 1 486 324 243 5 567 486 394 364 MEAN 672 599 518 461 3.2 Stream Assessment In order to document stable bankfull dimension, pattern, and profile along the restored channel, annual stream assessment surveys (longitudinal profile and six channel cross - sections) were undertaken (locations shown on Figure 2A and 2B, Appendix D). The longitudinal profile and channel cross- section plots are located in Appendix C. Channel geomorphic data is summarized on Tables VIII and IX. Success criteria for stream restoration include 1) successful classification of the reach as a functioning system (Rosgen 1996) and 2) channel permanence indices indicative of a stable stream system. Overall the stream survey data indicates a stable channel with very little lateral or vertical movement; balanced aggradation/degradation processes; and a rapidly developing, diverse riparian buffer. One bankfull event documented on August 27, 2011 (Hurricane Irene) further demonstrates stream stability. This is the fourth bankfull event that has been documented during the past four years of monitoring. No stream problem areas were identified during Year 4 monitoring. Table VI Hydrological ( Bankfull) Verifications Cutawhiskie Creek Restoration Site — EEP Contract No. D06066 -A Date of Data Collection Date of Occurrence Method Photo Number 11 -16 -09 11 -14 -09 Photo documentation See 2009 Monitoring Report 03 -04 -10 03 -03 -10 Photo documentation See 2010 Monitoring Report 11 -18 -10 09 -28 -10 Photo documentation See 2010 Monitoring Report 09 -09 -11 08 -27 -11 Photo documentation Photo 1 -2, Appendix B NCEEP Contract No. D06066 -A 10 2011 Monitoring Report Table VII. Categorical Stream Feature Visual Stability Assessment Cutawhiskie Creek Restoration Site — EEP Contract No. D06066 -A Segment/Reach: 2,540 feet Feature Initial MY -01 MY -02 MY -03 MY -04 MY -05 A. Riffles 100% 100% 100% 100% 100% B. Pools 100% 100% 100% 100% 100% C. Thalweg 100% 100% 100% 100% 100% D. Meanders 100% 100% 100% 100% 100% E. Bed General 100% 100% 100% 100% 100% F. Bank Condition 100% 100% 100% 100% 100% G. Rock Vanes N/A N/A N/A N/A N/A H. Root Wads N/A N/A N/A N/A N/A NCEEP Contract No. D06066 -A 11 2011 Monitoring Report NCEEP Contract No. D06066-A 12 2011 Monitoring Report C, O tr) Q z z r- 00 C'I rq C� Cq IXv C) 1 C l- al z z LU .E SE z z cz C) + M oo oo v) rq z X CD r- a, Nz-, k!4, 4 r- C, Z rq z cq z rn 'Y U ,u rq r-: Cq Z z kn \4 E ai = x , - 7 I ng cu 9z r" o6 r) rq z z m �7q i Z Z oo Z CA cj Ln cl z r- cq c-j z CD < < Q < z z Z z z z z z to < ca Z Z z z r z z z cq O X < v 9e < < ¢ X37: oc oc z z z z z z z cu > 4w :� — < < < — z z z Z z z z Iv - < < Ak 9A- Qj > < < < < > z z z z z z z z z z z z z z z z z w 71 < < < < < — z: z z z z z z < < < Q Q < < < < z z z z z z —Z OM < Q Q Q Q Q Q < Q < < Q < Q Q < < Q Q z Z 4 4 z ^ "%. Z Z Z Z Z Z R cn z z z z z .2 P5 cz 1 = E E 0 to a ,I. w u v un U u LL u U ~O ti >, 73 u u �T. = U = >u cz �2 r- ea C) F Lt+ w 12 2 E NCEEP Contract No. D06066-A 12 2011 Monitoring Report C, NCEEP Contract No.DO6O66+\ 13 2Ol) Monitoring Report Cn IRV Cn IC cn 00 m Ky 1 14 It to E tjD to E fl 6. NCEEP Contract No.DO6O66+\ 13 2Ol) Monitoring Report NCEEP Contract No.DO6O60-\ 14 2011 Monitoring Report RIM MN ME 11 u Do m 00 r- Oc It NCEEP Contract No.DO6O60-\ 14 2011 Monitoring Report 3.3 Wetland HydrologyAssessment Success criteria for wetland hydrology require that restored areas be inundated or saturated by groundwater within 12 inches of the ground surface for a period of 5 to 12.5 percent of the growing season. The growing season in Hertford County begins on March 28 and ends on November 7 (225 days). In order to achieve hydrologic success, saturation within 12 inches of the ground surface is required for between 12 and 28 consecutive days during the growing season (5 to 12.5 percent). The results of the Year 4 hydrologic monitoring indicate that all gauges exhibited saturation within 12 inches of the ground surface for at least 7.6 percent of the growing season (Appendix Q. The average saturation period for all gauges was 29.8 days (13.2 %) ranging from 17 to 44 days (7.6 and 19.6 %). Figure 3 (Appendix C) shows a comparison of 2011 monthly rainfall to historical precipitation for Hertford County. The figure shows average rainfall data collected between 1948 and 2011 and compares 30 percent and 70 percent of all observations with the actual 2011 monthly rainfall amounts to determine average. Monthly rainfall amounts were below the 30`x' percentile during four months of the growing season. Table X summarizes wetland hydrology criteria for Year 4 monitoring. 4.0 METHODOLOGY No unavoidable deviations from initially prescribed methodologies were implemented as part of Year 4 monitoring activities. 5.0 REFERENCES Lee, Michael T., R. K. Peet, S. D. Roberts, and T. R. Wentworth. 2006 CVS -EEP Protocol for Recording Vegetation, Version 4.0 ( http : / /cvs.bio.unc.edu /methods.htm) Rosgen, D. 1996. Applied River Morphology. Wildland Hydrology (Publisher). Pagosa Springs, Colorado. Schafale, M.P. and A.S. Weakley. 1990. Classification of the Natural Communities of North Carolina: Third Approximation. North Carolina Natural Heritage Program, Division of Parks and Recreation, N.C. Department of Environment, Health, and Natural Resources. Raleigh, North Carolina. Weakley, A.S. 2010. Flora of the Southern and Mid - Atlantic States. University of North Carolina Herbarium, North Carolina Botanical Garden, University of North Carolina at Chapel Hill. 944pp. NCEEP Contract No. D06066 -A 15 2011 Monitoring Report Table X. Wetland Criteria Attainment Cutawhiskie Creek Restoration Site - EEP Contract No. D06066 -A Hydrology Monitoring Year Gauge ID Wetland Criteria Met Maximum Consecutive Saturated Days (% of growing season) Total Number of Saturated Days (% of growing season) <5% 5-12.5% >12.5% 1 ✓ 17(7.6) 67 (29.8) 2* ✓ 12(5.3) 82 (36.4) 1 3 ✓ 59 (26.2) 73 (32.4) 4 ✓ 57 (25.3) 79 (35.1) 5 ✓ 15(6.7) 37 (16.4) l ✓ 26 (11.6) 54 (24.0) 2 ** ✓ 7(3.1) 32 (14.2) 2 3 ✓ 29 (12.9) 54 (24.0) 4 ✓ 32 (14.2) 59 (26.2) 5 ✓ 22(9.8) 39 (17.3) 1 ✓ 14(6.2) 45 (20.0) 2 ✓ 23 (10.2) 63 (28.0) 3 3 ✓ 19(8.4) 58 (25.8) 4* ✓ 22(9.8) 40 (17.8) 5 ✓ 12(5.3) 33 (14.7) l ✓ 23 (10.2) 67 (29.8) 2 ✓ 44 (19.6) 98 (43.6) 4 3 ✓ 26 (11.6) 77 (34.2) 4 ✓ 39 (17.3) 78 (34.7) 5 ✓ 17(7.6) 48 (21.3) Vegetation Monitoring Year Vegetation Density Met Tract Density (Planted Stems) Plot 1 Plot 2 Plot 3 Plot 4 Plot 5 1 ✓ ✓ ✓ ✓ ✓ 672 2 ✓ ✓ ✓ ✓ ✓ 599 3 ✓ ✓ ✓ ✓ ✓ 518 4 ✓ ✓ ✓ ✓ ✓ 461 *Missing data due to gauge malfunction. In both cases, would have likely extended the maximum consecutive saturated days. * *Gauge moved after year 2 to avoid draining effects of the UT. Initial position was directly adjacent to stream. NCEEP Contract No. D06066 -A 16 2011 Monitoring Report APPENDIX A: VEGETATIVE DATA NCEEP Contract No. D06066 -A Appendix A 2011 Monitoring Report Table Al: Vegetation Metadata Report Prepared By Adam Efird Date Prepared 10/11/2011 15:28 Database name Cutawhiskie _2008- 2011_CVS Data.mdb Database location G:\Prcjects\Projects06 \06 -306 Cutawhiskie Creek\Mitigation Monitoring \201 1 (Year 4) Monitoring \Veg Computer name RALH3TDXF1 File size 35229696 DESCRIPTION OF WORKSHEETS IN THIS DOCUMENT Metadata Description of database file, the report worksheets, and a summary of project(s) and project data. Pro', planted Each project is listed with its PLANTED stems per acre, for each year. This excludes live stakes. Proj, total stems Each project is listed with its TOTAL stems per acre, for each year. This includes live stakes, all planted stems, and all natural /volunteer stems. Plots List of plots surveyed with location and summary data (live stems, dead stems, missing, etc.). Vigor Frequency distribution of vigor classes for stems for all plots. Vigor b Spp. Frequency distribution of vigor classes listed by species. Damage List of most frequent damage classes with number of occurrences and percent of total stems impacted by each. Damage by Spp. Damage values tallied by type for each species. Damage by Plot Damage values tallied by type for each plot. ALL Stems by Plot and Spp A matrix of the count of total living stems of each species (planted and natural volunteers combined) for each lot; dead and missing stems are excluded. PROJECT SUMMARY Project Code D04020 Project Name Cutawhiskie Stream Restoration Description restoration monitoring River Basin Chowan Length (ft) 2,540 Stream-to-edge width (ft) 6 Area (sq m) 8 Required Plots (calculated) Sampled Plots 5 NCEEP Contract No. D06066 -A Appendix A Cutawhiskie Creek Restoration Site Table A2 Vegetation Vigor by Species Table A3.Ve2etation Damage by Species Species 4 3 2 1 0 Missing Unknown 1 Liquidambar styraci ua 3 Nyssa biflora 2 26 1 2 Nyssa bi ora 1 12 5 1 9 0 4 Qttercus lyrata 10 Quercus phellos 2 7 3 1 FTOT-, Quercus pagoda 1 3 1 3 TOT: 6 4 64 Quercus phellos 1 5 1 2 Taxodium distichum 9 8 2 TOT: 6 12 38 6 1 17 Table A3.Ve2etation Damage by Species Table A4. Vegetation Damage by Plot Species All Damage Categories (no damage) Cut Unknown Liquidambar styraciflua 0 1 1 3 Nyssa biflora 2 26 2 Quercus lyrata 0 13 Quercus pagoda 0 4 Quercus phellos 2 7 1 1 FTOT-, Taxodium distichum 0 19 1 3 TOT: 6 4 64 1 3 Table A4. Vegetation Damage by Plot NCEEP Contract No. D06066 -A Appendix A Cutawhiskie Creek Restoration Site lot All Damage Categories (no dama e) Cut Unknown D06066a- 12345-000 1 -year:4 4 13 1 3 D06066a- 12345 -0002- ear:4 0 16 D06066a- 12345 -0003- ear:4 0 17 D06066a- 12345 -0004- ear:4 0 12 D06066a- 12345 -0005- ear:4 0 12 FTOT-, 1 5 4 70 1 3 NCEEP Contract No. D06066 -A Appendix A Cutawhiskie Creek Restoration Site Table A5. Stem Count by Plot and Species Table A6. All Stems by Plot and Species Species Total Planted Stems # plots Avg # stems D06066a- 12345- 0001- year:4 D06066a- 12345- 0002- ear:4 D06066a- 12345- 0003- ear:4 D06066a- 12345- 0004- ear:4 D06066a- 12345 - 0005 - ear:4 Nyssa biflora 19 4 4.75 2 8 8 1 Quercus lvrata 10 4 2.5 65 1 3 3 3 Quercus pagoda 4 2 2 5 2 2 Quercus phellos 7 1 7 7 6 2 Taxodium distichum 17 5 3.4 4 3 4 2 4 TOT: 5 57 5 3.93 13 14 15 61 9 Table A6. All Stems by Plot and Species NCEEP Contract No. D06066 -A Appendix A Cutawhiskie Creek Restoration Site Species Total Stems # plots Avg # stems D06066a- 12345- 0001- ear:4 D06066a- 12345- 0002- ear:4 D06066a- 12345- 0003- ear:4 D06066a- 12345- 0004- ear:4 D06066a- 12345 - 0005 - ear:4 Baccharis halimifolia 3 1 3 4 Fraxinus pennsylvanica 214 5 42.8 65 34 7 94 14 Ligustruni sinense 5 1 1 5 5 Liquidambar styraciflua 10 3 3.33 2 6 2 Nyssa biflora 23 4 5.75 6 8 8 1 Pinustaeda 124 4 31 11 25 1 85 3 Quercus l rata 21 4 5.25 1 3 12 5 Quercus pagoda 10 3 3.33 4 2 4 Quercus phellos 9 1 9 9 Taxodium distichurn 17 5 3.4 4 3 4 2 4 Mitts alata 21 4 5.25 2 6 8 5 Rhus copallinum 2 1 2 2 Platanus occidentalis 4 2 2 2 2 Acer- rubrurn 250 5 50 11 126 28 38 47 TOT: 14 713 14 12.2 121 211 146 154 81 NCEEP Contract No. D06066 -A Appendix A Cutawhiskie Creek Restoration Site Photo Stations: Year 4 Monitoring Photo Station 1 Photo Station 3 Photo Station 2 NCEEP Contract No. D06066 -A Appendix A Cutawhiskie Creek Restoration Site r A - �a'� fiT���vN h� ?i .• .. _ s M- 4 p. APPENDIX B: GEOMORPHOLOGIC DATA NCEEP Contract No. D06066 -A Appendix B 2011 Monitoring Report Table B2. Visual Morphological Stability Assessment Cutawhiskie Creek Restoration Site — EEP Contract No. D06066 -A 2,540 linear feet Feature Category Metric (per As -built and reference baselines) (# Stable) Number Performing as Intended Total number per As -built Total Number /feet in unstable state % Perform in Stable Condition Feature Perform Mean or Total A. Riffles 1. Present? 77 77 N/A 100 2. Armor stable (e.g. no displacement)? 77 77 N/A 100 3. Facet grade appears stable? 77 77 N/A 100 4. Minimal evidence of embedding/fining? 77 77 N/A 100 5. Length appropriate? 77 77 N/A 100 100% B. Pools 1. Present? (e.g not subject to severe aggrad. or migrat. ?) 76 76 N/A 100 2. Sufficiently deep (Max Pool D:Mean Bkf >1.6 ?) 76 76 N/A 100 3. Length appropriate? 76 76 N/A 100 100% C. Thalweg 1. Upstream of meander bend (run/inflection) centering? N/A N/A N/A 100 2. Downstream of meander (glide /inflection) centering? N/A N/A N/A 100 100% D. Meanders 1. Outer bend in state of limited /controlled erosion? N/A N/A N/A 100 2. Of those eroding, # w /concomitant point bar formation? N/A N/A N/A 100 3. Apparent Rc within spec? N/A N/A N/A 100 4. Sufficient floodplain access and relief? N/A N/A N/A 100 100% E. Bed 1. General channel bed aggradation areas (bar formation) N/A N/A 0/2540 100 General 2. Channel bed degradation — areas of increasing down - cutting or head cutting? N/A N/A 0/2540 100 100% F. Bank 1. Actively eroding, wasting, or slumping N/A N/A 0/2540 100 1 100% G. Vanes 1. Free of back or arm scour? N/A N/A N/A N/A 2. Height appropriate? N/A N/A N/A N/A 3. Angle and geometry appear appropriate? N/A N/A N/A N/A 4. Free of piping or other structural failures?; N/A N/A N/A N/A N/A H. Wads/ Boulders 1 1. Free of scour? N/A N/A N/A N/A 2. Footing stable? 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HI NOUVA3l3 N O Q + Y J N N � ~ � N n a • 8 N W Q> Y Y > Y Y p} 8 8 0 8 8 8 8 a 8 8 0 8 8 f 8 8 8 8 8 8 8 8 o+ LM W NOUVAM Bankfull Event 08- 27 -11: Year 4 Monitoring Photo 1. Hurricane Irene produced 5 -7 inches of rain over the region during a 24 hour period. Evidence of a large bankfull event was seen while checking monitoring gauges. Herbaceous vegetation adjacent to the channel showed signs of being matted down from water flow. Wrack lines were found pressed against erosion matting stakes and woody vegetation. Photo 2. Floodplain wrack line looking from across channel. 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