Document Type

Report

Department/Program

Virginia Institute of Marine Science

Publication Date

3-17-1989

Series

Data report (Virginia Institute of Marine Science) ; no. 30.

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.

DOI

https://doi.org/10.21220/V5RS38

Keywords

American Oyster, Zinc-Bioaccumulation, Crassostrea virginicia, Commensal Pea Crab, Pinnotheres ostreum

Creative Commons License

Creative Commons Attribution 3.0 License
This work is licensed under a Creative Commons Attribution 3.0 License.

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