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VIMS Articles

2009

Oyster; Eastern Oyster; Crassostrea Virginica; Population Demographics; Mortality; Recruitment; James River; Virginia

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Full-Text Articles in Life Sciences

Population Studies Of The Native Eastern Oyster, Crassostrea Virginica, (Gmelin, 1791) In The James River, Virginia, Usa, Roger L. Mann, Melissa Southworth, Juliana M. Harding, James A. Wesson Jan 2009

Population Studies Of The Native Eastern Oyster, Crassostrea Virginica, (Gmelin, 1791) In The James River, Virginia, Usa, Roger L. Mann, Melissa Southworth, Juliana M. Harding, James A. Wesson

VIMS Articles

We describe oyster population trends in the James River, VA from 1993 through 2006 using quantitative fishery independent survey data collected using a stratified random design, The 23 reefs contained in the study area cover a total of 2.41 to 4.98 X 10(7) m(2). There is a marked pattern in density of oysters among X 10(7) m(2) and vary in individual size from 1.26 X 10(4) m(2) the reefs: during the Study period a small group of reefs comprising 5.4% of the total a rea consistently contained between 25.7 and 55.5% by number and 35.8 and 54.8% by biomass of …