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Total Mercury Residues in Livers and Eggs of Oldsquaws

Steven R. Peterson and Robert S. Ellarson
The Journal of Wildlife Management
Vol. 40, No. 4 (Oct., 1976), pp. 704-709
Published by: Wiley on behalf of the Wildlife Society
DOI: 10.2307/3800566
Stable URL: http://www.jstor.org/stable/3800566
Page Count: 6
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Total Mercury Residues in Livers and Eggs of Oldsquaws
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Abstract

Total mercury was determined in 99 oldsquaw (Clangula hyemalis) livers and 11 composite clutches collected on Lake Michigan and in northwest Hudson Bay. Residue levels were similar in different sex and age-classes collected during the same time period on Lake Michigan. Mercury levels were higher in oldsquaws collected in Hudson Bay than in those taken on Lake Michigan. Residues in the hen and clutch were positively correlated. Mercury in duckling livers was negatively correlated with the weight of the liver.

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