Annual report for ... Osprey Seafood mitigation site, Beaufort County, TIP no. R-2510B |
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ANNUAL REPORT FOR 2010 Osprey Seafood Mitigation Site Beaufort County TIP No. R-2510B COE Action ID #: 199301143 DWQ Project #: 20050785 DCM Permit #: 29-07 Prepared By: Natural Environment Unit & Roadside Environmental Unit North Carolina Department of Transportation August 2010 TABLE OF CONTENTS SUMMARY ...........................................................................................................1 1.0 Introduction ...............................................................................................2 .1 Project Description .........................................................................2 .2 Purpose .........................................................................................2 .3 Project History ................................................................................2 .4 Debit Ledger ....................................................................................2 2.0 Vegetation: ................................................................................................3 .1 Success Criteria .............................................................................3 .2 Description of Species.....................................................................3 .3 Results of Vegetation Monitoring ....................................................4 .4 Conclusions. ...................................................................................4 3.0 Overall Conclusions and Recommendations .............................................4 FIGURES Figure 1 – Site Location Map ...............................................................................5 APPENDICES Appendix A – Site Photos 1 SUMMARY The Osprey Seafood Mitigation Site is located in Beaufort County. The site was planted in March 2008 and was designed as mitigation for wetland impacts associated with roadway project R-2510B Washington Bypass. The mitigation encompasses approximately 0.6 acres of wetland restoration and 3.5 acres of preservation. The restoration effort involved grading the property to an elevation that approximates the adjacent wetlands, and then ripping to promote vegetation re-establishment. The site was then planted and will be monitored to ensure that it meets the vegetation success criteria. No hydrologic monitoring is required for this project; however, vegetation monitoring is required for three years. There was one vegetation monitoring plot established throughout the 0.6 acre planting area. After the third year, the 2010 vegetation monitoring of the site revealed an average tree density of 534 trees per acre. NCDOT proposes to discontinue vegetation monitoring at the Osprey Seafood Mitigation Site. 2 1.0 INTRODUCTION 1.1 Project Description The Osprey Seafood Mitigation Site is located in Beaufort County. The site consists of approximately 0.6 acres of wetland restoration for wetland impacts associated with project R-2510B. 1.2 Purpose In order for a mitigation site to be considered successful, a site must meet vegetation success criteria. This report details the vegetation monitoring in 2010 at the Osprey Seafood Mitigation Site. Hydrologic monitoring was not required for the site. 1.3 Project History March 2008 Site Planted July 2008 Vegetation Monitoring (1 year) August 2009 Vegetation Monitoring (2 year) August 2010 Vegetation Monitoring (3 year) 1.4 Debit Ledger The entire Osprey Seafood mitigation site was used for the R-2510B project to compensate for unavoidable wetland impacts. 3 2.0 VEGETATION: OSPREY SEAFOOD MITIGATION SITE (YEAR 3 MONITORING) 2.1 Success Criteria Success Criteria states that the Osprey Seafood mitigation site shall be monitored for three years. The NCDOT shall submit an annual summary report at the end of each of the first two years after the completion of the project. The report shall discuss the sites vegetative and hydrologic changes. This report can be qualitative in nature, and is in lieu of the usual quantitative hydrology and success criteria. At the end of the third year after project completion, the NCDOT will coordinate a field visit to the site, at which time the DWQ will determine the success of the mitigation, and the site may be declared successful with written approval from the NC Division of Water Quality. If, at the end of the three year monitoring period, the NC Division of Water Quality feels that the success cannot be determined or has not been achieved, then the NCDOT will coordinate field visits on an annual basis until the NCDWQ is satisfied that the site is successful. 2.2 Description of Species The following wetland species were planted in the Wetland Restoration Area: Taxodium distichum, Baldcypress Quercus lyrata, Overcup Oak Quercus michauxii, Swamp Chestnut Oak Nyssa aquatica, Water Tupelo Fraxinus pennsylvanica, Green Ash Quercus laurifolia, Laurel Oak 4 2.3 Results of Vegetation Monitoring Site Notes: A vegetation plot was set on site to determine if the Design/Build contractor would need to replant the site. We will continue to report this vegetation plot, even though, the success criteria states that this report can be qualitative in lieu of the usual quantitative data. Other species noted on site included: fennel, red maple, woolgrass, sycamore, black willow, baccharis, and cattail. Volunteer baldcypress and green ash trees were noted naturally sprouting up on site. 2.4 Conclusions There is one vegetation monitoring plot established throughout the 0.6 acre planting area. The 2010 vegetation monitoring of the site revealed an average density of 534 trees per acre. 3.0 OVERALL CONCLUSIONS AND RECOMMENDATIONS The following report summarizes the monitoring activities that have occurred in the past year for the Osprey Seafood Mitigation Site. Monitoring activities in 2010 represent the third year of monitoring for the site. The site must demonstrate vegetation success for a minimum of three years or until the site is deemed successful. There was one vegetation monitoring plot established throughout the 0.6 acre planting area. The 2010 vegetation monitoring of the site revealed an average density of 534 trees per acre. NCDOT proposes to discontinue vegetation monitoring at the Osprey Seafood Mitigation Site. Plot # Baldcypress Overcup Oak Swamp Chestnut Oak Water Tupelo Green Ash Laurel Oak Total (Year 3) Total (at planting) Density (Trees/Acre) 1 12 1 1 6 4 33 4 2 534 Av era ge De nsi ty (T rees/Acre ) 534 5 Figure 1. Site Location Map APPENDIX A SITE PHOTOS Osprey Seafood Mitigation Site Photo 1 Photo 2 Photo 3 August 2010
Object Description
Description
Title | Annual report for... Osprey Seafood mitigation site, Beaufort County, TIP no. R-2510B |
Other Title | Osprey Seafood mitigation site, Beaufort County |
Date | 2010-08 |
Description | 2010 |
Digital Characteristics-A | 1.19 MB; 10 p. |
Digital Format |
application/pdf |
Pres File Name-M | pubs_serial_ospreyseafoodmitigation2010.pdf |
Full Text | ANNUAL REPORT FOR 2010 Osprey Seafood Mitigation Site Beaufort County TIP No. R-2510B COE Action ID #: 199301143 DWQ Project #: 20050785 DCM Permit #: 29-07 Prepared By: Natural Environment Unit & Roadside Environmental Unit North Carolina Department of Transportation August 2010 TABLE OF CONTENTS SUMMARY ...........................................................................................................1 1.0 Introduction ...............................................................................................2 .1 Project Description .........................................................................2 .2 Purpose .........................................................................................2 .3 Project History ................................................................................2 .4 Debit Ledger ....................................................................................2 2.0 Vegetation: ................................................................................................3 .1 Success Criteria .............................................................................3 .2 Description of Species.....................................................................3 .3 Results of Vegetation Monitoring ....................................................4 .4 Conclusions. ...................................................................................4 3.0 Overall Conclusions and Recommendations .............................................4 FIGURES Figure 1 – Site Location Map ...............................................................................5 APPENDICES Appendix A – Site Photos 1 SUMMARY The Osprey Seafood Mitigation Site is located in Beaufort County. The site was planted in March 2008 and was designed as mitigation for wetland impacts associated with roadway project R-2510B Washington Bypass. The mitigation encompasses approximately 0.6 acres of wetland restoration and 3.5 acres of preservation. The restoration effort involved grading the property to an elevation that approximates the adjacent wetlands, and then ripping to promote vegetation re-establishment. The site was then planted and will be monitored to ensure that it meets the vegetation success criteria. No hydrologic monitoring is required for this project; however, vegetation monitoring is required for three years. There was one vegetation monitoring plot established throughout the 0.6 acre planting area. After the third year, the 2010 vegetation monitoring of the site revealed an average tree density of 534 trees per acre. NCDOT proposes to discontinue vegetation monitoring at the Osprey Seafood Mitigation Site. 2 1.0 INTRODUCTION 1.1 Project Description The Osprey Seafood Mitigation Site is located in Beaufort County. The site consists of approximately 0.6 acres of wetland restoration for wetland impacts associated with project R-2510B. 1.2 Purpose In order for a mitigation site to be considered successful, a site must meet vegetation success criteria. This report details the vegetation monitoring in 2010 at the Osprey Seafood Mitigation Site. Hydrologic monitoring was not required for the site. 1.3 Project History March 2008 Site Planted July 2008 Vegetation Monitoring (1 year) August 2009 Vegetation Monitoring (2 year) August 2010 Vegetation Monitoring (3 year) 1.4 Debit Ledger The entire Osprey Seafood mitigation site was used for the R-2510B project to compensate for unavoidable wetland impacts. 3 2.0 VEGETATION: OSPREY SEAFOOD MITIGATION SITE (YEAR 3 MONITORING) 2.1 Success Criteria Success Criteria states that the Osprey Seafood mitigation site shall be monitored for three years. The NCDOT shall submit an annual summary report at the end of each of the first two years after the completion of the project. The report shall discuss the sites vegetative and hydrologic changes. This report can be qualitative in nature, and is in lieu of the usual quantitative hydrology and success criteria. At the end of the third year after project completion, the NCDOT will coordinate a field visit to the site, at which time the DWQ will determine the success of the mitigation, and the site may be declared successful with written approval from the NC Division of Water Quality. If, at the end of the three year monitoring period, the NC Division of Water Quality feels that the success cannot be determined or has not been achieved, then the NCDOT will coordinate field visits on an annual basis until the NCDWQ is satisfied that the site is successful. 2.2 Description of Species The following wetland species were planted in the Wetland Restoration Area: Taxodium distichum, Baldcypress Quercus lyrata, Overcup Oak Quercus michauxii, Swamp Chestnut Oak Nyssa aquatica, Water Tupelo Fraxinus pennsylvanica, Green Ash Quercus laurifolia, Laurel Oak 4 2.3 Results of Vegetation Monitoring Site Notes: A vegetation plot was set on site to determine if the Design/Build contractor would need to replant the site. We will continue to report this vegetation plot, even though, the success criteria states that this report can be qualitative in lieu of the usual quantitative data. Other species noted on site included: fennel, red maple, woolgrass, sycamore, black willow, baccharis, and cattail. Volunteer baldcypress and green ash trees were noted naturally sprouting up on site. 2.4 Conclusions There is one vegetation monitoring plot established throughout the 0.6 acre planting area. The 2010 vegetation monitoring of the site revealed an average density of 534 trees per acre. 3.0 OVERALL CONCLUSIONS AND RECOMMENDATIONS The following report summarizes the monitoring activities that have occurred in the past year for the Osprey Seafood Mitigation Site. Monitoring activities in 2010 represent the third year of monitoring for the site. The site must demonstrate vegetation success for a minimum of three years or until the site is deemed successful. There was one vegetation monitoring plot established throughout the 0.6 acre planting area. The 2010 vegetation monitoring of the site revealed an average density of 534 trees per acre. NCDOT proposes to discontinue vegetation monitoring at the Osprey Seafood Mitigation Site. Plot # Baldcypress Overcup Oak Swamp Chestnut Oak Water Tupelo Green Ash Laurel Oak Total (Year 3) Total (at planting) Density (Trees/Acre) 1 12 1 1 6 4 33 4 2 534 Av era ge De nsi ty (T rees/Acre ) 534 5 Figure 1. Site Location Map APPENDIX A SITE PHOTOS Osprey Seafood Mitigation Site Photo 1 Photo 2 Photo 3 August 2010 |
OCLC number | 870276795 |