Mercury concentrations of Walleye (Stizostedion vitreum vitreum) in 34 northern Wisconsin Lakes

A total of 83 samples of walleye (Stizostedion vitreum vitreum), collected from 34 lakes in northern Wisconsin in May-June 1990 and May 1991, were analysed for mercury. The average lengths of fish and average mercury concentrations for lakes in 12 counties are summarized. Nearly half the fish sample...

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Bibliographic Details
Published in:Bulletin of environmental contamination and toxicology 1993-04, Vol.50 (4), p.612-617
Main Authors: GERSTENBERGER, S. L, PRATT-SHELLEY, J, BEATTIE, M. S, DELLINGER, J. A
Format: Article
Language:English
Subjects:
Animals
Applied sciences
Continental surface waters
Exact sciences and technology
Fishes - metabolism
Freshwater
Mercury - metabolism
Methylmercury Compounds - chemistry
Methylmercury Compounds - metabolism
Natural water pollution
Pollution
Quality Control
Stizostedion vitreum vitreum
Water treatment and pollution
Wisconsin
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Summary:A total of 83 samples of walleye (Stizostedion vitreum vitreum), collected from 34 lakes in northern Wisconsin in May-June 1990 and May 1991, were analysed for mercury. The average lengths of fish and average mercury concentrations for lakes in 12 counties are summarized. Nearly half the fish sampled exceeded the state-recommended limit of 0.5 ppm mercury for human consumption. Possible factors contributing to the increased concentrations of mercury in these lakes are indicated.
ISSN:0007-4861
1432-0800
DOI:10.1007/BF00191254