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HomeMy WebLinkAbout20020241 Ver 1_Monitoring Report_200810082C)C)202-41 ANNUAL MONITORING REPORT FOR 2006 CAMP LEJEUNE US MARINE CORPS MITIGATION SITE ONSLOW COUNTY, NORTH CAROLINA TIP No. U-2107 WM NCDOT Project No. 6.269010T (EEP Project Number.00013) 2006 Annual Monitoring Report (Year 5 of 5) FCoS'VSC7111 Axiom Environmental, Ino. Submitted to: North Carolina Department of Environment and Natural Resources Ecosystem Enhancement Program Raleigh, North Carolina Prepared by: Axiom Environmental, Inc. 2126 Rowland Pond Drive Willow Spring, North Carolina 27592 Design Firm: Office of Natural Environment & Roadside Environmental Unit North Carolina Department of Transportation Raleigh, North Carolina (--e c 6 10 gd oS February 2007 EXECUTIVE SUMMARY The United States Marine Corps (USMC) Camp Lejeune Wetland Mitigation Site (Site) includes approximately 3.5 acres, located approximately 16 miles south of Jacksonville in Onslow County on the Intracoastal Waterway at Camp Lejeune USMC Base. The Site was designed as a salt marsh to provide compensatory mitigation for the US Highway 17 Bypass of Jacksonville, TIP Project U-2107A, B, BA, C, and D (USACE Action ID No. 199402926). The Site was constructed in 1999 with portions of the Site regraded in 2002. This document serves as the 2006 Fifth Year Annual Monitoring Report. Groundwater hydrology within 12 inches of the soil surface is occurring for greater than 12.5 percent of the growing season for the year 5 (2006) growing season for the mitigation area gauge (GW2) with 76 consecutive days (35.8 percent) of saturation or inundation; however, the reference area groundwater gauge (GW1: Reference) was slightly low with 22 consecutive days (10.4 percent) of saturation or inundation. Results from available year 5 (2006) growing season data indicate that surfacewater hydrology is successful and that the Site is adequately flooded to support marsh vegetation. One 50-foot square shrub plot established within the 0.56-acre shrub area, yielded 737 shrub stems per acre for the 2006 (year 5) monitoring year, which is well-above the required success criteria of 320 stems per acre surviving for 3 years. For the 2006 (year 5) monitoring year, fifty 1-meter square marsh plots yielded a percent frequency of 89.8 percent and an average scale factor of 4.08. A practical approach would be to average the actual percent cover for the plots and apply the scale factor to that final average percent. When that coverage is greater than or equal to 75 percent, the marsh would be deemed successful. The Site has an average percent cover measured for year 5 (2006) of 64.1 percent. In summary, the restoration site achieved success criteria for hydrology in the Fifth Monitoring Year (2006). In addition, the shrub zone has been successful, and the marsh grass zone continues to approach success. However, the overall aspect of the Site is that of a successful marsh restoration based on available data over the entire 5-year monitoring, Year 5 (2006) Site evaluation, and professional opinion. Site hydrology and vegetation matches that of the Reference Marsh Ecosystem indicating a successful marsh restoration project. Camp Lejeune Axiom Environmental, Inc. Monitoring Year 5 of 5 (2006) EEP Project Number .00013 February 2007 Onslow County, North Carolina page i Table of Contents EXECUTIVE SUMMARY ...................................................................................................................... i 1.0 PROJECT BACKGROUND ............................................................................................................ .1 1.1 Project Description ...................................................................................................................... .1 1.2 Purpose ........................................................................................................................................ .1 1.3 Project History ............................................................................................................................. .3 1.4 Permit Related Requirements ....................................................................................................... . 3 2.0 HYDROLOGY ................................................................................................................................ .3 2.1 Success Criteria ........................................................................................................................... . 3 2.2 Hydrologic Description ................................................................................................................ .4 2.3 Results of Hydrologic Monitoring ................................................................................................ . 4 2.4 Hydrologic Conclusions ............................................................................................................... .6 3.0 VEGETATION .......................................................................................................................... .6 3.1 Success Criteria ........................................................................................................................... . 6 3.2 Description of Planted Areas ........................................................................................................ . 6 3.3 Results of Vegetation Monitoring ................................................................................................. . 8 3.4 Conclusions ................................................................................................................................. . 9 4.0 FIVE-YEAR MONITORING ASSESSMENT ................................................................................ 10 5.0. REFERENCES .............................................................................................................................. 13 List of Figures Figure 1. Site Location ........................................................................................................................... 2 Figure 2. Monitoring Plan ....................................................................................................................... 5 Figure 3. 2006 Climatic Data vs. 30-year Historic Data ........................................................................... 7 List of Tables Table 1. Summary of Groundwater Gauge Results for Years 1 through 5 .......................................... Table 2. Year 5 (2006) Stem Counts (Shrub Area) ............................................................................. Table 3. Stem Counts (Marsh Area) ................................................................................................... Table 4. Vegetation Trends (Shrub Area Planted Stems) .................................................................... Table 5. Vegetation Trends (Marsh Area) .......................................................................................... Appendices APPENDIX A. VEGETATION MONITORING PHOTOGRAPHS APPENDIX B. YEAR 5 (2006) GROUNDWATER GAUGE GRAPHS APPENDIX C. YEAR 4 (2005) GROUNDWATER GAUGE GRAPHS APPENDIX D. YEAR 3 (2004) GROUNDWATER GAUGE GRAPHS APPENDIX E. YEAR 2 (2003) GROUNDWATER GAUGE GRAPHS APPENDIX F. YEAR 1 (2002) GROUNDWATER GAUGE GRAPHS .4 .8 .8 11 11 Camp Lejeune Axiom Environmental, Inc. Monitoring Year 5 of 5 (2006) EEP Project Number .00013 February 2007 Onslow County, North Carolina page ii 1.0 PROJECT BACKGROUND 1.1 Project Description The United States Marine Corps (USMC) Camp Lejeune Wetland Mitigation Site (Site) is located within the United States Geological Survey (USGS) Hydrologic Unit 03030001 (North Carolina Division of Water Quality [NCDWQ] subbasin 03-05-02) of the White Oak River Basin. The Site includes approximately 3.5 acres, located approximately 16 miles south of Jacksonville in Onslow County on the Intracoastal Waterway at Camp Lejeune USMC Base (Figure 1). Directions to the Site: From Raleigh: ? Take I-40 East to Exit 373 (NC24/NC903 East) ? Follow NC 24 East to Jacksonville ? Take US 17 South in Jacksonville for approximately 12 miles ? Turn left onto NC 210 for approximately 4 miles ? Turn left onto NC 172 and follow into Camp Lejeune ? Approximately 7 miles past the entry gate turn right onto TLZ Albatross Road (dirt road) ? At the first open field, veer right and cross the field ? Turn left at the end of the field on the dirt road; follow the road around to the midpoint of the south side of the field ? Turn right onto the final dirt road and follow to a gate at the restoration site 1.2 Purpose In order to demonstrate successful mitigation, hydrologic and vegetative monitoring must be conducted for five years or until success criteria are achieved. Success criteria are based on federal guidelines for wetland mitigation. These guidelines stipulate criteria for both hydrologic conditions and vegetation survival. The following report details the results of hydrologic and vegetative monitoring for the 2006 (year 5) growing season at the USMC Mitigation Site. Camp Lejeune Axiom Environmental, Inc. Monitoring Year 5 of 5 (2006) EEP Project Number .00013 February 2007 Onslow County, North Carolina page 1 (a I 1 P" 4 by 5 a h IN ..ti ?i ?\ti;'?`. ? a Ott 4 Pr6Fr?.?S' } I?`? `??5 p^ = ` '0t a qp 4 d ri ,r "!"'? CIO } 1?' I - ti ,''?'? d t' p r I ? d,7 1, ?? ,,/? .??• f ?? ? ?? a ? f r L t rs ?o, r t _ `° !t x ,q yfq e d ,I ?1k t s ?y ?J-,w , . r Y ? 14 r t ? ? y "'S" ttt4 r.. r ?„ it r r td? +p . 7 1? V ti r i R f/) T-A f r Y , ..-.,... ,..- i ? ems.. r -? ?•. + f ILL, z fp '? r r?'? @ Locpti'din, ° ` Syka f ; r'' ° # s 01- 1 ..z 7- ;1e r? r t 1; r rea (r') I .tt f g - y Axiom Environmental, Inc 2126 Rowland Pond Drive /+'"'- '`"' Willow Spring, NC 27592 (919) 215-1693 (919) 341-3839 fax Arm- E-.-M:d, Inc. ?(? b d Directions to the Site: From Raleigh, North Carolina ? Take Interstate 40 East to exit 373 (NC 24/903 East) Follow NC 24 Eastto Jacksonville I I Take US 17 South in Jacksonville for approximately 12 miles Turn left on NC 210 for approximately 4 miles y Turn left on NC 172 into Camp Lejeune Approximatley 7 miles past the entry gate to Camp Lejeune turn right onto TLZ Albatross (dirt road) At the first open field, veer right and cross field Turn left at end of field on dirt road; follow road around to the midpoint of the south side of the field Turn right on final dirt road and follow to a locked gate at the restoration site i ?r 1 0 0.1250.25 0.5 0 75 1 . I . Miles 1:24,0 00 SITE LOCATION CAMP LEJEUNE: USMC MITIGATION SITE EEP Project Number.00013 2006 Annual Monitoring Year 5 of 5 Onslow County, North Carolina FIGURE CLF Date: January 2007 Project: 06-021 1.3 Project History March 1999 April 1999 May 1999 May- November 1999 October 1999 March-November 2000 August 2000 March - November 2001 October 2001 April 2002 May 2002 August 2002 March-November 2002 May 2003 August 2003 August 2003 March-November 2003 June 2004 August 2004 August 2004 March-November 2004 September 2005 March-November 2005 November 2006 March-November 2006 Grading Construction Site Planted Monitoring Gauges Installed Hydrologic Monitoring (Year 1) Vegetation Monitoring (Year 1) Hydrologic Monitoring (Year 2) Vegetation Monitoring (Year 2) Hydrologic Monitoring (Year 3) Vegetation Monitoring (Year 3) Site Regraded Site Replanted Vegetation Monitoring (Restart Year 1) Hydrologic Monitoring (Restart Year 1) Supplemental Planting Site Treated for Phragmites Vegetation Monitoring (Year 2) Hydrologic Monitoring (Year 2) Site Treated for Phragmites Site Visit with Regulatory Agencies Vegetation Monitoring (Year 3) Hydrologic Monitoring (Year 3) Vegetation Monitoring (Year 4) Hydrologic Monitoring (Year 4) Vegetation Monitoring (Year 5) Hydrologic Monitoring (Year 5) 1.4 Permit Related Requirements The Site was designed as a salt marsh to provide compensatory mitigation for the US Highway 17 Bypass of Jacksonville, TIP Project U-2107A, B, BA, C, and D (USACE Action ID No. 199402926). Special conditions of the permit required that "3.5 acres of Spartina alternii lora and Juncus roemerianus marsh shall be restored" as described in the Onslow County Marsh Mitigation Plan dated September 1997. The Site was constructed in 1999 with portions of the Site regraded in 2002. 2.0 HYDROLOGY 2.1 Success Criteria Shrub Area Success criteria for wetland groundwater hydrology in shrub areas require inundation or saturation within 12 inches of the ground surface for a consecutive period of 12.5 percent of the growing season. The growing season in Onslow County begins April 8 and ends November 5 (212 days). In order to attain hydrologic success in the shrub areas, saturation within 12 inches of the ground surface is required for at least 27 consecutive days (12.5 percent of the growing season). Marsh Area Success criteria for surfacewater gauges in the lower marsh areas requires tidal flood, which is defined by the 1997 Mitigation Plan as "the recorded presence of similar water level elevations and flood durations within the mitigation area as compared to the Reference Marsh Ecosystem." Camp Lejeune Axiom Environmental, Inc. Monitoring Year 5 of 5 (2006) EEP Project Number .00013 February 2007 Onslow County, North Carolina page 3 2.2 Hydrologic Description Nine gauges were maintained and monitored for the Year 5 (2006) growing season including one rain gauge, 2 groundwater gauges (one reference and one mitigation area gauge), and six surfacewater gauges (two reference gauges, one tidal gauge, and three mitigation area gauges) (Figure 2). Gauges recorded daily readings of groundwater/surfacewater depth. Daily rainfall data recorded from the rain gauge maintained and monitored on the Site was used for seasonal comparison. Graphs of groundwater/surfacewater hydrology and precipitation for Year 5 (2006) are included in Appendix B. 2.3 Results of Hydrologic Monitoring 2.3.1 Site Data The following Table 1 summarizes success criteria achievement for groundwater/surfacewater gauges over the 5-year monitoring period. Groundwater gauge graphs for Year 1 (2002) through year 4 (2005) are included in Appendices C through F. Table 1. Summary of Groundwater Gauge Results for Years 1 through 5 Camp Lejeune Wetland Restoration (EEP Project Number.00013) Success Criteria Achieved/Max Consecutive Days During Growing Season Groundwater (Percentage) Gauge Year 1 (2002) Year 2 (2003) Year 3 (2004) Year 4 (2005) Year 5 (2006) GW1 Not reinstalled Yes/50 days Yes/85 days Yes/30 days (Reference) at time (23.6%) (40.1%) (14.2%) No/22 days (10.4%) GW2 Not reinstalled yes/113 days Yes/44 days Yes/121 days Yes/76 days at time (53.3/oo) (20.8%) (57.1%) (35.8%) Surfacewater Success Criteria Ac hieved/Percentage of Growing Season Inundated Gauge Year 1 (2002) Year 2 (2003) Year 3 (2004) Year 4 (2005) Year 5 (2006) S1 (Tidal) Yes (68%) Yes Yes No Data Yes (75%) S2 Yes (50%) Yes Yes Yes Y (0%) S3 Yes (82%) Yes Yes Yes Yes (6.6%) Not reinstalled S4 (Reference) at time Yes Yes Yes Yes (26.9%) Not reinstalled S5 at time Yes Yes Yes Yes (74.5%) S6 (Reference) Not reinstalled Yes Yes Yes Yes (13 7%) at time . Groundwater hydrology within 12 inches of the soil surface is occurring for greater than 12.5 percent of the growing season for the year 5 (2006) growing season for the mitigation area gauge (GW2) with 76 consecutive days (35.8 percent) of saturation or inundation; however, the reference area groundwater gauge (GW1: Reference) was slightly low with 22 consecutive days (10.4 percent) of saturation or inundation. Camp Lejeune Axiom Environmental, Inc. Monitoring Year 5 of 5 (2006) EEP Project Number.00013 February 2007 Onslow County, North Carolina page 4 Feature Latitude Longitude GW-1 34.561116302 77.293872864 GW-2 34.560976963 77.293435531 S-1 34.559843150 77.293185852 S-2 34.560764681 77.292814516 S-3 34.560497730 77.293117598 S-4 34.560193230 77.293782745 S-5 34.560550942 77.294033376 S-6 34.560411870 77.292202499 RG 34.560997050 77.293435113 P1 34.561007562 77.293646774 34.560868732 77.293607809 34.560897079 77.293446898 34.561034620 77 2934 83578 I ? w Legend 1 -$4 Fbho. i 0 25 50 100 150 200 Feet Q Vegetation Problem Area Photographs O Vegetation Monitoring Photographs 40 Groundwater Gauge Surfacewater Gauge Rain Gauge 1 meter x 1 meter Marsh Grass Plots 50 meter x 50 meter Shrub Plot High Marsh Zone: Juncus roemerianus Shrub Marsh Zone Intertidal Marsh Zone: Spartina alterniflora ® Rip-rap Easement Boundary Soil Boundaries MONITORING PLAN FIGURE Axiom Environmental, Inc CAMP LEJEUNE: USMC MITIGATION SITE cLF A 2126 Rowland Pond Drive Date: ` ' Willow Spring, NC 27592 EEP Project Number.00013 January 2007 L t y ?` (919) 215.1693 (919) 341-3839 fax 2006 Annual Monitoring Year 5 of 5 Proie.t: Onslow County, North Carolina 06-021 Results from available year 5 (2006) growing season data indicate that surfacewater hydrology is successful and that the Site is adequately flooded to support marsh vegetation. 2.3.2 Climatic Data Climatic data for the year 5 (2006) growing season is compared to 30-year historical data from the New Hanover Airport in Wilmington, North Carolina (Figure 3) (NOAA 2004). The Site experienced above normal rainfall for the months of June and November 2006. The remainder of the growing season for year 5 (2006) experienced rainfall totals that fell within the average 30-year historic range. 2.4 Hydrologic Conclusions Nine gauges were maintained and monitored for the Year 5 (2006) growing season including one rain gauge, 2 groundwater gauges (one reference and one mitigation area gauge), and six surfacewater gauges (two reference gauges, one tidal gauge, and three mitigation area gauges) The groundwater gauge within the mitigation area (GW2) demonstrated successful hydrologic results, with 76 consecutive days (35.8 percent) of saturation or inundation; however, the reference area groundwater gauge (GW1: Reference) was slightly low with 22 consecutive days (10.4 percent) of saturation or inundation. (Results from all surfacewater gauges indicate that the Site is adequately flooded to support marsh vegetation; which is consistent with success criteria outlined for the marsh restoration area. 3.0 VEGETATION 3.1 Success Criteria Shrub Area The shrub area is deemed successful when a minimum mean density of 320 shrubs per acre of approved target species (planted species) survive for at least three years. Marsh Area Marsh vegetation success criteria was determined in accordance with NOAA-NMFS guidelines. The assessment involved sampling fifty 1-meter by 1-meter plots and determining a scale factor based on the total number of stems and percent coverage. Monitoring plots found to be located within the open water channel were not evaluated, and did not count in the final count of plots. The vegetation component of the wetland site is deemed successful if the following criteria are met: 1. At year 5, the average of all plots should have a scale value of 5 (75 percent vegetative cover) consisting of wetland herbaceous species, not including any invasive species. 2. A minimum of 70 percent of the plots shall contain the target (planted) species. 3.2 Description of Planted Areas Shrub Area The shrub area consists of 0.56 acre of the 3.5-acre restoration area. within the 0.56-acre shrub area: 1. wax myrtle (Morelia [=Myrica] cerifera), 2. false willow (Baccharis halimifolia), and 3. marsh elder (Iva frutescens). Three types of shrubs were planted Camp Lejeune Axiom Environmental, Inc. Monitoring Year 5 of 5 (2006) EEP Project Number .00013 February 2007 Onslow County, North Carolina page 6 e_ ' V L O W? N 2 L R O M N Rf w+ 0 V V O O O N M d L a? E a? O z L CD O U 0 L CD E O CL a) N w O C O 7 Q C O N lC d C O O 0 m c 7 (a 2 a Q m U L O I O O ti U .c I O _y 2 0 O M f0 (0 O (D O O N E3 N O 00 CO N O r r (setpui) uoi;e;idl3GJd Marsh Area The marsh grass area consisted of two zones: Zone 1. Approximately 0.7 acre of black needle rush (Juncus roemerianus) and Zone 2. Approximately 2.23 acres of smooth cordgrass (Spartina alterniora). 3.3 Results of Vegetation Monitoring The following Tables 2 and 3 summarize planted stem counts for shrub and marsh areas of the Site for the year 5 (2006) growing season. Table 2. Year 5 (2006) Stem Counts (Shrub Area) Cam Le'eune Wetland Restoration EEP Project Number .00013 2006 Total 2001 Total 2006 Density Wax False Marsh Planted Plot # Year Planted in (Planted Shrubs Myrtle Willow Elder Stems in Plot Stems/Acre) Plot Year 5 1 24 17 1 42 51 737 (2006) Table 3. Stem Counts (Marsh Area) Cam Le'eune Wetland Restoration (EEP Project Number.00013) Plot Scale Factor % Cover Juncus roemerianus Present Spartina alterniJlora Present Frequency Notes 1 4 70 X 1 h ite , Distichlis 2 4 70 tJuncus uses lis, Salicornia, chin, hra mites 3 5 95 X 1 Baccharis, Solidago, Chenopodium 4 5 100 X 1 Distichlis 5 5 95 X 1 6 4 66 X X 2 Distichlis, Aster tenuifolius 7 5 90 X 1 Distichlis, Aster tenuifolius 8 5 75 X X 2 Distichlis 9 4 70 X 1 Salicornia 10 5 75 X X 2 Distichlis, Aster tenuifolius 11 5 90 X 1 12 4 50 X 1 13 5 80 X 1 Salicornia 14 5 82 Distichlis, Aster tenuifolius,Borrichia 15 5 76 X 1 Distichlis, Aster tenuifolius, Salicornia 16 5 80 X 1 17 5 90 X 1 18 2 21 X 1 Salicornia, 79% bare ground 19 5 80 X 1 20 5 80 X 1 21 5 90 X 1 Camp Lejeune Axiom Environmental, Inc. Monitoring Year 5 of 5 (2006) EEP Project Number .00013 February 2007 Onslow County, North Carolina page 8 Plot Scale Factor % Cover Juncus roemerianus Present Spartina alterniJlora Present Frequency Notes 22 5 90 X 1 23 2 20 X 1 80% open water 24 3 30 X 1 70% open water 25 4 51 X 1 Salicornia 26 4 51 X 1 Salicornia 27 4 70 X I Salicornia 28 2 11 X 1 Salicornia, 89% bare ground 29 5 80 X 1 30 4 65 X 1 31 4 65 X 1 32 4 70 X 1 Salicornia 33 5 80 X 1 34 5 80 X 1 35 4 50 X 1 36 4 60 X 1 37 4 70 X 1 38 5 80 X 1 Salicornia 39 5 80 X 1 40 5 80 X 1 41 4 50 X 1 42 4 50 X 1 Salicornia 43 4 60 X 1 44 2 30 X 1 Distichlis, Salicornia, 70% bare ground 45 5 80 X 1 46 - - - - - Data lost: most likely bare ground 47 3 30 Distichlis, Salicornia,70% bare ground 48 0 - Bare ground 49 0 - Bare ground 50 3 35 X 1 Distichlis, Salicornia 49 200 3143 6 41 44 TOTALS Total Number of Plots Counted 49 Scale Factor Average 4.08 Percent Cover Average 64.1 Ave Scale Factor based on % Cover 4.0 Percent Frequency of Target Species 89.8 3.4 Conclusions Shrub Area One 50-foot by 50-foot (2500 square feet or 0.057-acre) plot was installed following Site planting within the 0.56-acre shrub area of the Site. The shrub density is well-above the success criteria of 320 shrubs per acre with 737 planted shrubs stems per acre for year 5 (2006) monitoring, and has met success criteria for 5 years. The number of wax myrtle and false willow counted within the plot continued to increase due to natural recruitment, while marsh elder continued to decline. Approximately 124 additional volunteer stems of false willow, two wax myrtle, and eight pines (Pinus sp.) were counted for year 5 (2006), in Camp Lejeune Axiom Environmental, Inc. Monitoring Year 5 of 5 (2006) EEP Project Number .00013 February 2007 Onslow County, North Carolina page 9 addition to various herbs. The shrub area is anticipated to continue to meet the success criteria beyond the monitoring period. Marsh Area Fifty 1-meter by 1-meter plots were installed within the marsh area of the Site, which consists of approximately 0.7 acres of black needle rush (Juncus roemerianus) and 2.23 acres of smooth cordgrass (Spartina alterniora). Using the same methodology from previous monitoring reports, the average scale factor for 49 measured plots was 4.08. A practical approach would be to average the actual percent cover for the plots and apply the scale factor to that final average percent. When that coverage is greater than or equal to 75 percent then the marsh would be deemed successful. Using the average percent cover measured for year 5 (2006), which was 64.1 percent, the marsh has a scale factor of 4.0. The percentage of plots containing the two target species [black needle rush (Juncus roemerianus) or smooth cordgrass (Spartina alterni fora)] was 89.8 percent for year 5 (2006) monitoring, which is well- above the success criteria of 70 percent. The overall aspect of the marsh area is that it is doing well; however, the planted zone of black needle rush (Juncus roemerianus) is dominated by smooth cordgrass (Spartina alterniora), pockets of open water, and brackish species. The planted zone of smooth cordgrass (Spartina alterniora) has grown well and is consistent with that of a natural marsh although some bare spots persist. Rhizomes of marsh plants are slowly colonizing these areas as can be seen in the following photographs. Bare areas being colonized b Y ?. a?. 41'- , ? rhizomes. k.. _. ; f i ZZ ? ?' a ?s ?drx 0 ? r A ; Z 4.0 FIVE-YEAR MONITORING ASSESSMENT Success has continued for each of the five monitoring years in the shrub area with 737 planted shrub stems per acre tabulated in year 5 (2006), which is well-above the 320 stems per acre success criteria required for three years. The shrub area has met defined success criteria for the entire monitoring period and is anticipated to continue to meet the success criteria beyond the monitoring period. The following Table 4 shows trends for the shrub plot over the five-year monitoring period. Camp Lejeune Axiom Environmental, Inc. Monitoring Year 5 of 5 (2006) EEP Project Number.00013 February 2007 Onslow County, North Carolina page 10 Table 4. Vegetation Trends (Shrub Area Planted Stems) Cam Le'eune Wetland Restoration EEP Project Number .00013 Monitoring Year Firm Total Planted Shrub Stems in Plot Planted Shrubs Stems/Acre Success Criteria Met Year 0 (2001) NCDOT 51 895 Yes Year 1 (2002) NCDOT 48 842 Yes Year 2 (2003) NCDOT 48 842 Yes Year 3 (2004) NCDOT 42 737 Yes Year 4 (2005) BLWI 39 684 Yes Year 5 (2006) AXE 42 737 Yes The percentage of marsh grass plots containing the target species was 89.8 percent for year 5 (2006) monitoring, which is well-above the success criteria of 70 percent. Black needle rush (Juncus roemerianus) was only present in approximately 15 percent of its total planted area; other salt marsh species have colonized most of this zone. Using the average percent cover measured for year 5 (2006), which was 64.1 percent, the marsh grass area has a scale factor of 4.0. The bare spots are slowly being colonized, and it is likely that the marsh will reach success criteria based on the percent cover within the next few years. The marsh grass area continues to elude the defined success criteria, but continues to approach that limit. The following Table 5 shows trends for the marsh plots over the five-year monitoring period. Table 5. Vegetation Trends (Marsh Area) Cam Le'eune Wetland Restoration EEP Project Number .00013 Monitoring Year Firm Average Scale Factor Scale Factor Success Criteria Met Percentage of Plots containing Target Species Target Species Success Criteria Met Year 1 (2002) NCDOT 3.16 No 67.3 No Year 2 (2003) NCDOT 3.45 No 68.4 No Year 3 (2004) NCDOT 4.12 No 76.2 Yes Year 4 (2005) BLWI 3.35* No 89.8 Yes Year 5 (2006) AXE 4.08* No 89.8 Yes * - This number is the average of scale factors for all plots and is used to compare with previous data. Using the average percent cover yields a scale factor of 4.0 Groundwater hydrology within 12 inches of the soil surface is occurring for greater than 12.5 percent of the growing season for the year 5 (2006) growing season for the mitigation area gauge (GW2) with 76 consecutive days (35.8 percent) of saturation or inundation; however, the reference area groundwater gauge (GW1: Reference) was slightly low with 22 consecutive days (10.4 percent) of saturation or inundation. Results from all surfacewater gauges indicate that the Site is adequately flooded to support marsh vegetation, which is consistent with success criteria outlined for the marsh restoration area. Camp Lejeune Axiom Environmental, Inc. Monitoring Year 5 of 5 (2006) EEP Project Number.00013 February 2007 Onslow County, North Carolina page I 1 Results from all surfacewater gauges indicate that the Site is adequately flooded to support marsh vegetation, which is consistent with success criteria outlined for the marsh restoration area. In summary, the restoration site achieved success criteria for hydrology in the Fifth Monitoring Year (2006). In addition, the shrub zone has been successful, and the marsh grass zone continues to approach success. However, the overall aspect of the Site is that of a successful marsh restoration based on available data over the entire 5-year monitoring, year 5 (2006) Site evaluation, and professional opinion. Site hydrology and vegetation matches that of the Reference Marsh Ecosystem indicating a successful marsh restoration project. Camp Lejeune Axiom Environmental, Inc. Monitoring Year 5 of 5 (2006) EEP Project Number .00013 February 2007 Onslow County, North Carolina page 12 5.0. REFERENCES Blue Land Water Infrastructure (BLWI). 2006. 2005 Annual Monitoring Report, Year 4 of 5, US Marine Corps Mitigation Site, Onslow County. North Carolina Ecosystem Enhancement Program. National Marine Fisheries Service and United States Army Corps of Engineers (NMFS, USACE). 1999. Using Random Sampling with Geographical Information Systems (GIS), Geographical Positioning Systems (GPS) and the Braun-Blanquet Method to Estimate Frequency (Survival) and Percent Cover. NOAA National Marine Fisheries Service, US Army Corps of Engineers. National Oceanic and Atmospheric Administration (NOAA). 2004. Climatography of the United States No. 20; Monthly Station Climate Summaries, 1971-2000. National Oceanic and Atmospheric Administration, National Environmental Satellite, Data, and Information Service, National Climatic Data Center, Asheville, North Carolina. North Carolina Department of Transportation (NCDOT). 2004. Annual Report for 2004, US Marine Corps Mitigation Site, Onslow County, Project No. 6269010T, TIP No. U2107 WM. Office of Natural Environment & Roadside Environmental Unit. North Carolina Department of Transportation (NCDOT). 2003. Annual Report for 2003, US Marine Corps Mitigation Site, Onslow County, Project No. 6269010T, TIP No. U2107 WM. Office of Natural Environment & Roadside Environmental Unit. North Carolina Department of Transportation (NCDOT). 2002. Annual Report for 2002, US Marine Corps Mitigation Site, Onslow County, Project No. 6269010T, TIP No. U2107 WM. Office of Natural Environment & Roadside Environmental Unit. North Carolina Department of Transportation (NCDOT). 1997. Wetland Mitigation Plan, Onslow County Marsh Mitigation Site, Camp Lejeune, Onslow County, North Carolina, TIP No. U2107 WM. Office of Natural Environment & Roadside Environmental Unit. United States. Department of Agriculture (USDA). 1992. Soil Survey of Onslow County, North Carolina. United States Department of Agriculture. Camp Lejeune Axiom Environmental, Inc. Monitoring Year 5 of 5 (2006) EEP Project Number .00013 February 2007 Onslow County, North Carolina page 13 Appendix A (Click here) APPENDIX A VEGETATION MONITORING PHOTOGRAPHS Camp Lejeune Axiom Environmental, Inc. Monitoring Year 5 of 5 (2006) EEP Project Number .00013 February 2007 Onslow County, North Carolina Appendix A Appendix A Vegetation Monitoring Photographs Taken November 2006 Picture 1: Shrub plot, looking from SW corner to NE corner Picture 2: Shrub plot, looking from plot origin to NW corner Camp Lejeune Axiom Environmental, Inc. Monitoring Year 5 of 5 (2006) EEP Project Number .00013 February 2007 Onslow County, North Carolina Appendix A Appendix A Vegetation Monitoring Photographs Taken November 2006 (continued) w, Picture 8: Looking across marsh Camp Lejeune Axiom Environmental, Inc. Monitoring Year 5 of 5 (2006) EEP Project Number.00013 February 2007 Onslow County, North Carolina Appendix A Appendix B (Click here) APPENDIX B YEAR 5 (2006) GROUNDWATER/SURFACEWATER GAUGE GRAPHS Camp Lejeune Axiom Environmental, Inc. Monitoring Year 5 of 5 (2006) EEP Project Number .00013 February 2007 Onslow County, North Carolina Appendix B (sayoui) uoi;e;id!:)aJd U? a Un Ln Lo Lo 't 't M co N N r O O a? v L N r d R C9 _ d o 3N 1 C 3 L- o C9 } m C m .0- J a E C) 900Z/9/ L L c`?a A 9002/9Z/0 L °J r 900Z/6 6 /0 6 y CS) a z 900Z/MU h 9002/9/0 L Ca o 900Z/0£/6 c 9002/£Z/6 w 900Z/L 6/6 N 900Z/O l/6 H A 900Z/b/6 9002/9Z/9 9002/ZZ/9 900Z/9 6/8 900Z/6/9 900Z/Z/9 900Z/LZ/L 900Z/OZ/L p 900Z/b6 6/L 900Z/L/L 900ZWL 9002/bZ/9 9002/9 6/9 MOM l/9 9002/S/9 --? 900Z/6Z/9 0 9002/£Z/5 • ; £ 900Z/9 N9 ° 900VU/9 9002/£/5 00 o 900Z/LZ/b 9002/OZ/b 900Z4,07 .._-.r-....- _..-------- 900Z/L/b 900Z/ 6/b OWW'T NON J(? 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Lq Lq L to It It M M N N ? r O O LO d ca L 3 0 as .. °o y v u7 4 L C 4 as J E R U - 1 90OZ-AON-80 LO r- - o --- - - - - - - - 9002-noN-LO 900Z-100-9Z a? 9002-100-6 L o ? 0 90OZ-100-£ L 9002-100-90 0 90OZ-deS-O£ w 900Z-daS-£Z 9002-daS-L L 90OZ-deS-O 4 9002-daS-tb0 90OZ-6nV-8Z 90OZ-6ny-ZZ 900Z-6ny-g L 90OZ-6nV-60 90OZ-6nV-ZO 90OZ-Inf-LZ 90OZ-Inf-OZ o 90OZ-lnf -i7 l 90OZ-Inf -L 90OZ-Inf-L 90OZ-unf-bZ 0 900Z-unf -86 ~ 90OZ-unr-L 90OZ-unr-g = 90OZ-AeW-6Z 900Z-AEN-£Z cn 90OZ-AeIN-9 L = 900Z-AeW-O L ro 9002-AeIN-£0 a 900Z-add-LZ 'a 00 O 90OZ-jdb'-OZ a in 900Z-add-t L ----- -------- - 9002-ady-LO 90OZ-jdV-L0 N O o0 CO ? N O 00 (O cr N O 00 (O ? N O M M N N N N N ? ? ?-- ? ? (SB40UI) lan9-1 Ja;eM (segoui) uoi;e;id!Daad LO Lq U? In d M M N N O O a v c L m cc m ? +r c? C C9 v°o N m LO v C} CO d c m J O. E m u (v N ? .G RS E >, zo 0 O .0 0 w 2c b 7 = M r N A 9 a? as 0 L 0 co 0 r? LO Cl) co In (SeLIOui) J AB-1 OJe 9002/8/ L L 90OZ/L/L L 90OZ/9Z/0 L 90OZ/6 L/0 L 9002/£ L/0 L 9002/9/0 L 90OZ/0£/6 90OZ/£Z/6 90OZ/L L/6 90OZ/O L/6 90OZ/17/6 90OZ/8Z/8 9002/ZZ/8 900Z/9 L/8 90OZ/6/8 900Z/Z/8 90OZ/LZ/L d 90OZ/OZ/L p 90OZ/ti L/L 9002/L/L 90OZ/ L/L 9002/tbZ/9 90OZ/8 L/9 90OZ/L L/9 9002/S/9 90OZ/6Z/9 9002/£Z/5 90OZ/9 L/5 90OZ/O L/5 9002/£/5 9002/LZ/b 9002/OZ/b 90OZA L/b 90OZ/L/b 900Z/ L/b Appendix C (Click here) APPENDIX C YEAR 4 (2005) GROUNDWATER/SURFACEWATER GAUGE GRAPHS Camp Lejeune Axiom Environmental, Inc. Monitoring Year 5 of 5 (2006) EEP Project Number .00013 February 2007 Onslow County, North Carolina Appendix C (ui) uoilel!dioaad f? 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N N a? as E m >, J MS E c m - U SOOZ-noN-I t SOOZ-AON-V0 SOOZ fic- SOOZ-10O-ZZ SOOZ-10O-S SOOZ-100-80 SOOZ-100- 60 SOOZ-daS-SZ SOOZ-daS-8l SOOZ-daS- 6 L SOOZ-daS-t0 SOOZ-6nd-6Z SOOZ-6nV-ZZ SOOZ-6nb-S L SOOZ-6nV-80 SOOZ-6ny-ZO SOOZ-Inf -9Z SOOZ-Inf -6l SOOZ-Inf-Z L SOOZ-Inf-90 SOOZ-unf-6Z All SOOZ-unf -ZZ SOOZ-unf -S l SOOZ-unf -60 SOOZ-unf -Z0 SOOZ-AeN-9Z SOOZ-AeN-6 6 SOOZ-ABN-£ SOOZ-AeN-90 SOOZ-adb-6Z SOOZ-adb-ZZ SOOZ-add-9 L SOOZ-adV-60 SOOZ-adV-ZO SOOZ-aaW-9Z O 0 C? a a? !o I 4) cC 0 CD LO 't co N (41) uoi;eAGG Appendix D (Click here) APPENDIX D YEAR 3 (2004) GROUNDWATER/SURFACEWATER GAUGE GRAPHS Camp Lejeune Axiom Environmental, Inc. Monitoring Year 5 of 5 (2006) EEP Project Number. 000 13 February 2007 Onslow County, North Carolina Appendix D (•uI) uol;e;IdloaJd O0 (q V N C? (O lz? N N r r o 0 0 0 0 L d U ??C9 0 ---------- - -- ---------- O co o .? y o f LO f 0 W 0) I cu -?-- ?_-- ----- ----- ----- c 0 mm : I= Q (D ? cn = ? 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I.L It LO co LO LO Lf) M N p 6Z aAON (4)u014Bn013 anal tb00Z-AON-80 t700Z-100-OE t70OZ-100- L Z t700Z-100-E L C7 ? C7 U d ? v N ? D Cl) LO O t'00Z-100-ti0 t700Z-daS-9Z t700Z-daS-L L t700Z-daS-80 1?OOZ-6nV-OE t700Z-6nV-ZZ t700Z-6ny-£ L t,00Z-6nd-t,0 tr00Z-Inf-LZ b00Z-Inf -86 b0OZ-Inf-60 t,OOZ-In f- L O 1?OOZ-unf -ZZ t,OOZ-un f-E L +; 1?OOZ-unr-50 0 t,00Z-AeW-LZ t,00Z-AeW-8 L vOOZ-Aen-O L b00Z-AeW- LO t700Z-Jdv-ZZ t700Z-Jd`d-t7 L t700Z-Jdv-50 t,00Z-JeW-LZ b00Z-JeW-6 L t,00Z-JeW-O L tl00Z-JeW- LO t,00Z-gaj-ZZ t,00Z-qa=j-E L t700Z-ga=I-t70 t700Z-Uef -LZ b0OZ-Uef-8L t,00Z-Uef-60 b00Z-uef-LO O LO co Lo CN LO co N 6Z QAON (:4)uol;en013 anJl J70OZ-AON-60 t,00Z-100- L£ 170OZ-100-£Z t'00Z-100-j7[ t,00Z-100-90 b00Z-daS-9Z t700Z-daS-8 L t,00Z-daS-60 t,00Z-6nd- L£ b0OZ-6ny-£Z t700Z-6ny-t7L t,00Z-6n`d-90 d ca cc as C7 ? V ? N v L Nd 6f. t,00Z-In f-8Z t,00Z-Inf-6 L VOOZ-In f-0 L t700Z-Inf-LO ti00Z-unf-£Z t700Z-unf-t76 a,, t700Z-unf-90 0 t,00Z-AeW-8Z t700Z-AeW-6 L b00Z-AeIN-0 L b00Z-Am-LO t700Z-Jd`d-£Z t700Z-AV-t, L b00Z-AV-90 b00Z-JeVY-8Z VOOZ-JeW-6 L J?l b00Z-JeW-O L b00Z-JeW-LO t700Z-gaj-ZZ t700Z-qaj-£ L b00Z-qa:j-tb0 t700Z-Uef-LZ t700Z-Uef-8 L t700Z-Uef-60 b00Z-uer-LO 0 v U') m to (V LO U? C-5 N C) 6Z dAON (11)uol;en813 ani i Appendix E (Click here) APPENDIX E YEAR 2 (2003) GROUNDWATER/SURFACEWATER GAUGE GRAPHS Camp Lejeune Axiom Environmental, Inc. Monitoring Year 5 of 5 (2006) EEP Project Number.00013 February 2007 Onslow County, North Carolina Appendix E (-ul) uollelldloaad U? Lq Lq Lq co co N N o O £O-noN-LZ £0-noN-L L r . - ------- = ---- -- ------------ I `-£0-noN-L o - £0-100-8Z £0-100-8 L £0-100-8 £0-daS-BZ y £0-daS-8 L £0-daS-g £0-6nd-6Z £O-6nV-6L I o £0-6nV-60 o, £0-Inr-O£ £0-Inr-OZ CD £0-Inr-O L £0-unr-0£ ' L = 3 l £0-unr-OZ V/ AAAL INL o o £0-unr-OL D . c m E0-AeW-L£ f o £0-AeW- L z £o-AeW-L L £0-AeW-LO G? T' iv-- - - -- -- --- - - - - -- --- CO-AV- L Z - EO-adtf-LL c £O-AV-LO £0-aeW-zz e £0-JeW-Z L g £o-JeIN-z0 £0-ga=I-OZ £0-gad-0 L so-Uer-L£ £0-uer-Lz £o-uer-L L £0-uer-LO LO o L o in o L o LO C) N N M i i CL a? 0 a? a: c? U d U) o 0) 0 r LO c o' 1 (•ul) jolempunoaE) of yldoa (•ui) uoi;e;idioaJd Iq I U? 11 Cl) Cl) N N e- O O i l CO-AON-LZ CO-noN-LL -------- --------- ------ ----- - CO-noN-L 1 EO-3a0-8Z CO-100-9 L co-100-9 EO-daS-8Z 1 -da - EO 8L S i a ro EO-deS-g # co-6ny-6Z 3 i co-6ny-6 L co-6ny-60 i co-Inr-O£ co-Inr-OZ L g + ° E0-Inr-OL N c C ~ co-unr-O£ _ U ? 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V N v m L. W d CO-AON-90 £0-100-8Z £0-100-6 L Eo-100-L L £0-100-£0 EO-daS-bZ £0-daS-9 L £0-daS-90 CO-6nV-0£ EO-6nV-ZZ EO-6ny-t, L CO-6nV-SO £0-Inr-8Z Co-Inr-OZ £0-Inr-L L £0-Inr-£o Co-unr-SZ EO-unr-9 L Co-unr-80 £0-AeW- L E co-Aen-ZZ CO-AeW-bL co-AeW-9o £0-JdV-LZ co-AV-61 co-Jdy-L L £0-Jd`d-ZO £o-Jen-SZ CO-JeW-L L £0-JeW-80 £o-qaj-8Z £0-ga=I-OZ £0-ga=I-LL £0-gaj-EO £0-Uer-9Z CO-Uer-L L £0-Uer-60 co-Uer-LO d 0 0 O Ln O LO O LO O LO O Lf) N . r N N (•ui) 41dea jamm aoepnS £0-AON-CO £0-100-92 CO-100-9 6 £0-100-60 co-loo- W 0 I I £0-daS-£Z s I 4< j £0-daS-9 l 1 EO-daS-90 I 1 CO-6nV-6Z . ? E0-6nV-6Z CO-6ny-Z6 CO-6nV-b0 CO-Inr-LZ j EO-Inr-6 6 f EO-Inr-06 £0-Inr-ZO j EO-unr-bZ I E0-unr-9l Cl? I. EO-unr-LO U d co-AeW-OE N It i co-AeW-IZ 3 Cl) a 4 i co-Am-EL M ° £0-AeW-90 LO EO-adV-LZ o) £0-jdV-0 L £0-jdV-ZO co-jeW-bZ co-JeW-9l i { EO-aeW-80 I £0-gaj-8Z co-gaJ-6l ? ? EO-ga?-LL EO-gaj-£0 E0-uer-9Z CO-uer-L I CO-uer-60 co-uer- w O LO O O Un O LO O LO CN ' c- N N £0-AON-90 £0-100-82 CO-100-61 £0-100-L L ca C7 co 4) C7 ? N U n U) v d L d d £0-10O-£0 £0-daS-bZ £0-daS-9 L £0-daS-80 £0-6n`d-0£ £0-6nV-ZZ £0-6n`d-1? L £0-6ny-90 £0-Inf-8Z £0-Inf-OZ £0-Inf-L L £0-Inf-£0 £0-unf-SZ £0-unf-9 L £0-unf -80 £0-AeW- L£ £0-AeW-ZZ £0-AeW-1? L £0-AeW-90 £0-JdV-LZ £0-Jdy-6 L £0-Jdy-L L £0-JdV-ZO £0-JeW-SZ £0-JeW-L L £0-Jen-80 £0-gaj-8Z £0-gej-OZ £0-qa j- L L £0-gaj-£0 £0-uef-9Z £0-Uef -L L £0-Uef-60 £0-Uef-LO C) LO CD LO 0 0 ?n o LO N ?- N N i i ? i Appendix F (Click here) APPENDIX F YEAR 1 (2002) GROUNDWATER/SURFACEWATER GAUGE GRAPHS Camp Lejeune Axiom Environmental, Inc. Monitoring Year 5 of 5 (2006) EEP Project Number .00013 February 2007 Onslow County, North Carolina Appendix F ZO-100-?Z m ca H U N ZOOZ-130-p0 6006 A@S-pZ 600Z-daS-6Z ZOOZ-d@S-Zl ZOOZA@S- l l ZOOZ-d@S-90 ZOOZ-6nV-[? ZOOZ-BV-9Z 600Z-6nV-OZ 600Z-6nV-5f ZOOZ-6nV-O[ ZOOZ-6nV-?o ZOOZ-Inf -off ZOOZ-Inf -?Z m ZOOZ-Inf -6l U_ U_ ZOOZ-Inf -? l o IT m Cl) ZOOZ-Inf -p0 N Z ZOOZ-Inr-ZO Q } U) Z006-unf-t6 I ZOOZ-unr-[Z ZOOZ-unf-9l ZOOZ-unf-0l ZooZ-unr-so Z00Z-Aow-sZ Z006-ADA-OZ ZooZ-ADM-V f ZOOZ-ADW-60 zooZ-Aow-m ZOOZ-AV-pZ ZOOZ-jdV-ZZ ZOOZ-jdV-ZL ZOOZ-jdV- ll ZOOZ-jdV-90 ZOOZ-AV-l0 0 o 0 0 0 0 0 0 (0 LO V M N (sayoui) y;dap ialem aoejjng U cc U N U M Z N U I! i' - - ZOOZ-AON-90 _ 1001-130-6Z 1006-130-16 _ ZOOZ-}00-06 TOOKOOK M06-100-01 Z00Z-130-50 ZOOZ-daS-o? ZOOZ-daS-SZ Z006-daS-06 - ZOOZ-daS-Sl ZOOZ-daS- ll ZOOZ-daS-9o ZOoZ-daS-l0 - Z00Z-6ny-LZ -p 1006-6ny-ZZ c o ZOoZ-6ny-j l o 0) Z00Z-6ny-Zl 0 - Z00Z-6ny-LO w N v z-6ny-?o Z00 cf) ZOOZ-Inf -6Z ZOOZ-Inf -tZ ZOOZ-InP-6l ZOOZ-Inf -V l ZOOZ-Inf -60 2006-hr-to 6001-unP-66 ZOOZ-unr-sZ 2006-unp-OZ ZOOZ-unp-q[ ZOOZ-unp-o[ Z,OOZ-unf -So { ZOOZ-AoW-l? 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