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Assessment of Selenium and Atrazine Exposure and Effects to Wildlife at the North Platte National Wildlife Refuge, Scottsbluff, Nebraska

Publisher: USGS | Science Center: Columbia Environmental Research Center (CERC, Columbia) | Format: URL

www.cerc.usgs.gov — The primary goal of the proposed research is to evaluate selenium and atrazine exposure and effects to fish, amphibians, and waterfowl that utilize the Refuge. The following subordinate objectives will be met to investigate selenium exposure and effects to wildlife on the Refuge: 1.Measure selenium concentrations and total organic content in More...

  • map showing levels of usage of atrazine in the USA

Sources of Organochlorine Contaminants and Mercury in Seabirds from the Aleutian Archipelago of Alaska

Publisher: USGS | Science Center: Western Ecological Research Center (WERC, Sacramento) | Format: URL

www.werc.usgs.gov — The Aleutian archipelago of Alaska, which separates the North Pacific Ocean from the Bering Sea, supports a diverse and abundant community of resident and migratory seabirds, comprising over 26 species and 10 million birds. However, comparatively little data exist on sources of environmental contaminants for this community despite extensive More...

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