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2008 | Publisher: USGS | Format: URL
pubs.usgs.gov — This study determined that concentrations of persistent hydrophobic contaminants, such as polycyclic aromatic hydrocarbons (< picograms per liter), legacy pesticides (<10 picograms per liter), and polychlorinated biphenyls (<280 picograms per liter) were low and indicative of a largely agricultural area. Atrazine and simazine were the most 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.
2006 | Publisher: USGS | Science Center: Upper Midwest Environmental Sciences Center (UMESC, LaCrosse) | Format: URL
www.umesc.usgs.gov — The Sediment-Contaminant Database for the Upper Mississippi River System (version 2) contains reliable sediment-contaminant data from a total of 3950 analyzed sediment samples collected from 1974 through 2000 from the Upper Mississippi River, the Illinois River, and selected tributary streams. Groups of contaminants represented in the database More...
2001 | Publisher: USGS | Science Center: Upper Midwest Environmental Sciences Center (UMESC, LaCrosse) | Format: URL
www.umesc.usgs.gov — Research at the Upper Midwest Environmental Center, which gathered detailed observations on tree swallow nesting success and contaminant concentrations in 1998-2000, to guide EPA and the U.S. Fish and Wildlife Service in effectively managing the risk of chemical contaminants to wildlife and the environment.
Publisher: USGS | Science Center: Alaska Science Center (ASC, Anchorage) | Format: URL
www.absc.usgs.gov — This project is a joint effort for developing and testing protocols for collecting, processing, transporting, and storing seabird eggs collected at several Alaska Maritime National Wildlife Refuge (AMNWR) colonies. Seabird Tissue Archival and Monitoring Project (STAMP) is a long-term, cooperative project that is currently collecting, processing, More...
Publisher: USGS | Science Center: Fort Collins Science Center (FORT, Ft. Collins) | Format: URL
www.fort.usgs.gov — Encroaching development, overuse, and air- and waterborne contaminants from outside park boundaries are causing noticeable changes to water quality and ecosystem health and functioning. The Front Range metropolitan area from Fort Collins south to Colorado Springs includes 75 percent of Colorado's population and its most productive agricultural More...
Publisher: USGS | Science Center: Western Fisheries Research Center (WFRC, Seattle) | Format: URL
wfrc.usgs.gov — Mercury contamination from historic gold mining operations is widespread in many rivers, lakes, and reservoirs on the western slopes of the Sierra Nevada. A multidisciplinary investigation by USGS is attempting to better understand mercury dynamics and to identify hot spots within Camp Far West Reservoir in order to determine if remediation More...
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: Western Fisheries Research Center (WFRC, Seattle) | Format: URL
wfrc.usgs.gov — This project addresses the occurrence of metal and organochlorine contaminant residues in commercial feeds purchased by the U.S. Fish and Wildlife Service (FWS) hatcheries. Research into fish feed quality could benefit all hatchery and aquaculture operations and assist in the interpretation of the effects of pollution on wild fish. Results from More...
Publisher: Other (American Bird Conservancy (ABC)) | Format: URL
www.abcbirds.org — he Avian Incident Monitoring System (AIMS) is a cooperative program between American Bird Conservancy (ABC) and the US Environmental Protection Agency (EPA). Through AIMS, ABC is implementing programs dedicated to data collection, storage and presentation, and programs dedicated to improving identification, investigation, and laboratory analysis More...
Publisher: USGS | Science Center: Columbia Environmental Research Center (CERC, Columbia) | Format: .PDF
www.cerc.usgs.gov — The study described in this report was conducted as part of the USGS Biomonitoring of Environmental Status and Trends (BEST) Program. This project collected, examined, and analyzed 217 fish representing three species at 10 stations in the US portion of the Yukon River Basin (YRB) from May to October 2002. Four sampling sites were located on the More...
Publisher: USGS | Science Center: Biological Informatics | Format: URL
biology.usgs.gov — This web page presents samples of genetics and genomics research from the USGS Biological Resources Discipline about the conservation genetics of plants.
U.S. Department of the Interior |
U.S. Geological Survey