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Zinc distributions in sediments, the common mussel, Mytilus edulis (L.), the American oyster, Crassostrea virginica (Gmelin), and the commensal pea crab, Pinnotheres ostreum (Say)
Mo, Cheol Neilson, Bruce
Mo, Cheol
Neilson, Bruce
Abstract
Oysters and mussels of varying sizes and sediment samples were collected from oyster beds with different salinity regimes of three Virginian coastal plain rivers: Rappahannock River. James River. and Piankatank River. Zinc concentrations of 1) soft tissues. gut contents. and shells of the oysters. 2) soft tissues of the mussels. 3) pea crabs. and 4) sediment samples were measured with a flame atomic absorption (Flame AA) spectrophotometer. Particulate organic carbon and nitrogen concentrations ·of the sediments were measured with a carbon-nitrogen analyzer. The contribution of extraneous materials. such as gut contents. faeces. and pea crabs. to the variability in oyster metal bioconcentration measurements is examined. The effect of salinity differences on bioconcentrations and the relationships between oyster and mussel dry meat weights and body burdens and bio-concentrations also are examined. The relationships are assumed to have the form: uptake equals the product of a constant times weight raised to the power "b" (e.g •• a {body size}b). Values for the constants a and bare determined for each case.
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1989-03-17
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dr030.pdf
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Data Report Series (DR)
Research and Technical Reports, American Oyster, Zinc-Bioaccumulation, Crassostrea virginicia, Commensal Pea Crab, Pinnotheres ostreum
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Virginia Institute of Marine Science
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https://doi.org/10.21220/V5RS38