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: USGS | Science Center: Western Fisheries Research Center (WFRC, Seattle) | Format: URL
wfrc.usgs.gov — Lake Natoma, an 8,760 acre-feet reservoir on the American River, is managed by the U.S. Bureau of Reclamation (USBR) for multiple uses that include fishing and other water-based recreation. Preliminary results from 22 fish samples collected in Lake Natoma during August 2000 indicate that the mercury content may approach or exceed guidelines for More...
Publisher: USGS | Science Center: Status & Trends | Format: URL
biology.usgs.gov — BEST evaluates environmental contaminants and their effects on species and lands under the stewardship of the Department of Interior to provide scientific information and guide management actions. The BEST Program provides the conceptual framework, leadership, and national coordination to identify spatial and temporal trends in contaminant More...
Publisher: USGS | Science Center: Patuxent Wildlife Research Center (PWRC, Laurel) | Format: URL
www.pwrc.usgs.gov — Written summaries of biological characteristics and contaminant exposure and effects data for 38 coastal and estuarine terrestrial vertebrates are available. Species were selected based on their previous use in contaminant monitoring, their status as valued natural resources, or as representatives of taxonomic groups. Characterizations were More...
Publisher: USGS | Science Center: Forest and Rangeland Ecosystem Science Center (FRESC, Corvallis) | Format: URL
ris.wr.usgs.gov — The Raptor Information System (RIS) is a computerized literature retrieval system that focuses on raptor management, human impacts on raptors, the mitigation of adverse impacts, and basic raptor biology (with an emphasis on population dynamics and predation). The raptor contaminants database is a subset of RIS that includes references with More...