Cadmium and mercury in emergent mayflies
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J. Therese Dukerschein; James G. Wiener; Ronald G. Rada; Mark T. Steingraeber
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Article
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1992
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Springer
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English
โ 848 KB
Burrowing mayflies (Hexagenia bilineata) were analyzed to assess longitudinal patterns in their cadmium and mercury content along the upper Mississippi River. Emergent mayflies (subimagoes and imagoes) were collected in 1988 at 34 sites (25 navigation pools), extending 1260 km from Little Falls, Min