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Sediment Toxicology

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picture of Western Pearlshell mussels

Science Partnership between USGS and Confederated Tribes of the Umatilla Indian Reservation to Support Conservation of Freshwater Mussels

Western Pearlshell (Margaritifera falcata) is a native mussel species of conservation concern in the Pacific Northwest region of North America. This species is of cultural importance to the Confederated Tribes of the Umatilla Indian Reservation (CTUIR). The current project is a collaboration between the USGS Columbia Environmental Research Center (CERC), the CTUIR, and USFWS to better understand...
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Columbia Environmental Research Center
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Science Partnership between USGS and Confederated Tribes of the Umatilla Indian Reservation to Support Conservation of Freshwater Mussels

Western Pearlshell (Margaritifera falcata) is a native mussel species of conservation concern in the Pacific Northwest region of North America. This species is of cultural importance to the Confederated Tribes of the Umatilla Indian Reservation (CTUIR). The current project is a collaboration between the USGS Columbia Environmental Research Center (CERC), the CTUIR, and USFWS to better understand...
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fine sediment collection

An Evaluation the Chronic Toxicity of Metals in Water and Sediment to the Unionid Mussel, Fatmucket (Lampsilis siliquoidea), in Exposures Representing Conditions in the Tri-States Mining District

The Tri-State Mining District (TSMD) is a large (about 500 sq. mi.) historical lead and zinc mining area that includes portions of Kansas, Missouri and Oklahoma. The TSMD yielded about 460 million tons of ore between 1885 and 1970, resulting in contamination of surface water, groundwater, sediments, and soils in the Spring River and Neosho River basins by lead, zinc, and other heavy metals.
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Ecosystems Mission Area, Species Management Research Program, Columbia Environmental Research Center
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An Evaluation the Chronic Toxicity of Metals in Water and Sediment to the Unionid Mussel, Fatmucket (Lampsilis siliquoidea), in Exposures Representing Conditions in the Tri-States Mining District

The Tri-State Mining District (TSMD) is a large (about 500 sq. mi.) historical lead and zinc mining area that includes portions of Kansas, Missouri and Oklahoma. The TSMD yielded about 460 million tons of ore between 1885 and 1970, resulting in contamination of surface water, groundwater, sediments, and soils in the Spring River and Neosho River basins by lead, zinc, and other heavy metals.
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toxicity testing at CERC

An assessment of Deep Fork River Effluent Toxicity to the Unionid Mussel Fatmucket (Lampsilis siliquoidea)

Nearly 70% of the 300 mussel species in North America are endangered, threatened, of special concern, or extinct. Environmental contaminants have been identified as a contributing factor to the decline of mussel populations.
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Ecosystems Mission Area, Species Management Research Program, Columbia Environmental Research Center
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An assessment of Deep Fork River Effluent Toxicity to the Unionid Mussel Fatmucket (Lampsilis siliquoidea)

Nearly 70% of the 300 mussel species in North America are endangered, threatened, of special concern, or extinct. Environmental contaminants have been identified as a contributing factor to the decline of mussel populations.
Learn More