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Life Sciences

Reports

2004

Rappahannock River

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Evaluating And Enhancing The Success Of Oyster Reef Restoration: The Effects Of Habitat Complexity On Oyster Survival, Mark W. Luckenbach, Paige G. Ross Dec 2004

Evaluating And Enhancing The Success Of Oyster Reef Restoration: The Effects Of Habitat Complexity On Oyster Survival, Mark W. Luckenbach, Paige G. Ross

Reports

We evaluated the progress of several oyster restoration efforts of varying ages in three tidal tributaries of Chesapeake Bay, the Rappahannock, the Piankatank and Great Wicomoco rivers. In 2003 and 2004, we determined the density, biomass and size frequency distribution of oyster populations on the reefs during spring, summer and fall. Recruitment of oysters to the reefs was quantified using standardized substrates deployed and retrieved from the reef surfaces on a weekly or bi-weekly schedule from May through November. The prevalence and intensity of the oyster pathogens Perkinsus marinus and Haplosporidium nelsoni in oysters on the reefs was determined from …


Monitoring Relative Abundance Of American Shad In Virginia’S Rivers 2003 Annual Report, John E. Olney Apr 2004

Monitoring Relative Abundance Of American Shad In Virginia’S Rivers 2003 Annual Report, John E. Olney

Reports

Concern about the decline in landings of American shad (Alosa sapidissima) along the Atlantic coast prompted the development of an interstate fisheries management plan (FMP) under the auspices of the Atlantic States Marine Fisheries Management Program (AS