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USGS · 70125357

Three studies using Ceriodaphnia to detect nonpoint sources of metals from mine drainage

Del Wayne R. Nimmo·Max H. Dodson·Patrick H. Davies·Joseph C. Greene·Mark A. Kerr
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Abstract

Since its introduction, Ceriodaphnia dubia , a small planktonic daphnid, has been widely used for biomonitoring point source discharges. This species was also used to determine nonpoint sources of metals and related contaminants in three trout streams in the west where mining activities have been widespread. Along Chalk Creek, Colo., specific tailings (and impacted tributaries) were sources of metals toxic to fish using the water in a hatchery. At stations below extensive mine tailings in the upper Clark Fork River, Mont., drainage was acutely and chronically toxic to daphnids and paralleled reduced or nonexistent populations of trout. In Whitewood Creek, S. Dak., reduced toxicity below a gold mine portended that fish could live in the stream segment previously impaired by the mine. Toxicity downstream revealed a previously unknown nonpoint source of chromium.

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Del Wayne R. Nimmo, Max H. Dodson, Patrick H. Davies, Joseph C. Greene, Mark A. Kerr. 1990. Three studies using Ceriodaphnia to detect nonpoint sources of metals from mine drainage. https://pubs.usgs.gov/publication/70125357

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