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Accumulation of mercury by aufwuchs in Wisconsin seepage lakes: Implications for monitoring

Archives of Environmental Contamination and Toxicology

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Abstract

We examined temporal variation in the total Hg content of aufwuchs (attached algae) collected from artificial substrates in 11 seepage lakes in north-central Wisconsin and its relation to the Hg content of resident yellow perch Perca flavescens from the lakes. Dry weight concentrations of Hg in aufwuchs varied temporally, as follows: summer/fall 1985 > summer 1985 > spring/summer 1986. Areal concentrations of Hg during the 1985 sampling periods were greater than concentrations during the spring/summer 1986 period, but did not differ from each other. The analyses of aufwuchs do not indicate potential accumulation of Hg in fish in these lakes.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Accumulation of mercury by aufwuchs in Wisconsin seepage lakes: Implications for monitoring
Series title:
Archives of Environmental Contamination and Toxicology
Volume
23
Issue:
2
Year Published:
1992
Language:
English
Contributing office(s):
Upper Midwest Environmental Sciences Center
Description:
pp. 172-178
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
172
Last page:
178
Number of Pages:
7