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Heavy metals in the threeridge mussel Amblema plicata plicata (Say, 1817) in the upper Mississippi River

Journal of Freshwater Ecology
By: , , and 

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Abstract

Concentrations of mercury and zinc in the threeridge mussel Amblema plicata plicata, sampled in 1987 from Pools 3 and 10 in the upper Mississippi River, were comparable to concentrations in mussels from moderately contaminated systems, while copper concentrations were similar to concentrations in mussels from more polluted waters. Cadmium concentrations in mussels were significantly less at a lightly contaminated site (Pool 10, range 0.53 to 0.92 mu g/g dry weight) than at a site where metal abundances were strongly influenced by industrial and domestic inputs (Pool 3, range 0.80 to 1.25 mu g/g dry weight). Yet, cadmium concentrations in Pool 3 were an order of magnitude less than values reported for mussels from more metal-polluted systems. In contrast, concentrations of copper, mercury, and zinc did not differ between sites. Cadmium and zinc concentrations generally increased with size of the mussel, copper concentrations decreased with size, and mercury concentrations were unrelated to size.a

Suggested Citation

Naimo, T., Waller, D.L., and Holland Bartels, L.E., 1992, Heavy metals in the threeridge mussel Amblema plicata plicata (Say, 1817) in the upper Mississippi River: Journal of Freshwater Ecology, v. 7, no. 2, p. 209-217.

Publication type Article
Publication Subtype Journal Article
Title Heavy metals in the threeridge mussel Amblema plicata plicata (Say, 1817) in the upper Mississippi River
Series title Journal of Freshwater Ecology
Volume 7
Issue 2
Year Published 1992
Language English
Publisher Taylor and Francis
Contributing office(s) Upper Midwest Environmental Sciences Center
Description 9 p.
First page 209
Last page 217
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