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OLS Field Name OLS Field Data
Main Title Restoration of Oyster (Crassostrea virginica) Habitat for Multiple Estuarine Species Benefits. A Final Report to the Piscatauqa Region Estuaries Partnership.
Author R. Grizzle ; K. Ward
CORP Author New Hampshire Univ., Durham. Jackson Estuarine Lab.; Environmental Protection Agency, Research Triangle Park, NC. National Estuary Program.
Year Published 2009
Stock Number PB2011-108841
Additional Subjects Aquaculture ; Reefs ; Oysters ; Estuaries ; Shellfish ; Marine fishes ; Abundance ; Crustacae ; Aquatic ecosystems ; Habitats
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NTIS  PB2011-108841 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 11/09/2011
Collation 53p
Abstract The overall goal of the project was to make a significant contribution to the Piscataqua Region Estuaries Partnership goal of increasing oyster (Crassostrea virginica) bottom in New Hampshire, and to do so using methods that positively affect multiple species. The focus was on those organisms (mainly macroalgae, invertebrates, and fish) that spend most of their time on oyster reefs the resident species. A 0.5 hectare (1.25 acres) area was restored in August 2007 by constructing twelve mini-reefs (each approx. 6 m in diameter) in an area protected from harvest using spat-on-shell (spat seeding) from remotely set larvae. There was a consistent trend over time of higher oyster densities on the mini-reefs and on the natural reef within the protected area compared to the adjacent unprotected natural reef. At the end of the project period (1.8 years post-construction of the mini-reefs), total oyster densities in the overall restoration area were about 26% higher than the adjacent unprotected reef. The constructed mini-reefs also consistently had higher total densities and biomass of resident animals, which consisted mainly of invertebrates (only one fish was captured over the entire study), compared to the other reef areas. A total of 15 species of invertebrates were collected from the mini-reefs compared to 10 and 11 species, respectively, from the natural reef in the restored area and the natural reef in the harvested area.
Supplementary Notes Sponsored by Environmental Protection Agency, Research Triangle Park, NC. National Estuary Program.
Availability Notes Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5301 Shawnee Road, Alexandria, VA, 22312, USA.
PUB Date Free Form 7 Oct 2009
Category Codes 98F; 47D
NTIS Prices PC A05
Document Type NT
Cataloging Source NTIS/MT
Control Number 119202570
Origin NTIS
Type CAT