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2008 | Publisher: Other (RSC Publishing, Journal of Environmental Monitoring) | Format: URL
www.rsc.org — Environmental contaminant and biomarker monitoring data from major U.S. river basins were summarized for black bass (Micropterus spp.) and common carp (Cyprinus carpio) sampled over a nine year period. Cumulative frequency distributions revealed taxon differences for many organochlorine residue concentrations, elemental contaminant concentrations, More...
September 2006 | Publisher: USGS | Format: URL
pubs.usgs.gov — This report documents the spatial trends in the concentrations of accumulative contaminants and assesses the contaminant effects on the fish from the Colorado River Basin.
Publisher: Other (ScienceDirect (Elsevier)) | Format: URL
tinyurl.com — Organochlorine pesticide and total polychlorinated biphenyl (PCB) concentrations were measured in largemouth bass from the Tombigbee River near a former DDT manufacturing facility at McIntosh, Alabama. Concentrations of DDT isomers in McIntosh bass remained unchanged from 1974 to 2004 and were four times greater than contemporary concentrations More...
Publisher: USGS | Science Center: Columbia Environmental Research Center (CERC, Columbia) | Format: URL
wwwaux.cerc.cr.usgs.gov — Scientists at the Columbia Environmental Research Center (CERC) have an effective method for determining the amount of contamination in water. This article explains the center's basic approach and also provides a glossary of related technical terms.
Publisher: USGS | Science Center: Leetown Science Center (LSC, Kearneysville) | Format: URL
www.lsc.usgs.gov — Atlantic salmon in seven rivers in Maine have been classified as endangered species. In 1999, only 32 adults are known to have returned to spawn in these rivers. Previous research has shown that smolts in one of these rivers (Narraguagus) have abnormally low gill Na/K-ATPase activity and did not survive salt challenge tests, demonstrating that More...
Publisher: USGS | Science Center: Contaminant Biology | Format: URL
biology.usgs.gov — This web page lists databases related to contaminant research across government agencies and partnerships. Many of the links include access to documented trends in the occurrence of persistent toxic chemicals that may threaten fish and wildlife resources, summaries of the results from aquatic acute toxicity tests, Avian Incident Monitoring, More...
Publisher: USGS | Science Center: Western Fisheries Research Center (WFRC, Seattle) | Format: URL
wfrc.usgs.gov — There are approximately 500,000 abandoned mines in the western US. Collectively, these mines pollute rivers, streams, and western reservoirs with millions of tons of metals annually that degrade aquatic habitat and water used by humans for drinking, recreation, and irrigation. However, there is great potential in decreasing or eliminating the flow More...
U.S. Department of the Interior |
U.S. Geological Survey