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BPXA Rehabilitation Sites - 2006 and 2008 Summaries
BP Exploration Alaska Inc. Environmental Studies Group (BPXA-ESG) rehabilitation plans and monitoring reports are provided for site rehabilitation/revegetation projects.... -
Earth Cover Classification - Dalton Highway - Report and GIS Raster
BLM and Ducks Unlimited (DU) cooperatively mapped a study area along the Dalton Highway using portions of four Landsat TM scenes (1999-2001) and classified 43 earth cover... -
FWS Pacific Walrus Information
This website contains information on walrus distribution, migration, food and habitat requirements, growth and reproduction, sensory perception and disturbance and natural... -
Earth Cover Classification - National Petroleum Reserve Alaska - Report and GIS Raster
Eight Landsat TM and three SPOT satellite scenes were used to determine earth cover categories for this 9,300,000 hectare (23,000,000 acre) study area. Seven major classes and... -
FWS Polar Bear Information
Section 117 of the Marine Mammal Protection Act, as amended in 1994, requires the U.S. Fish and Wildlife Service to report periodically on the status of marine mammal stocks... -
Pacific Walrus Stock Assessment Reports
Section 117 of the Marine Mammal Protection Act, as amended in 1994, requires the U.S. Fish and Wildlife Service to report periodically on the status of marine mammal stocks... -
Archive: Yellow-Billed Loon Geodatabase and Shapefiles (2009)
This data set has been updated and the more recent (2013) database is available at the link below. The registry is composed of a geodatabase with two files that represents... -
Heavy metal and mineral concentrations and their relationship to histopathological findings in the bowhead whale (Balaena mysticetus)
This study evaluated the concentration of six essential and non-essential elements (Zn, Hg, Ag,Se, Cu, and Cd) in liver and kidney of 64 bowhead whales. Rosa, C., Blake, J.E.,... -
Variation in winter diet of southern Beaufort Sea polar bears inferred from stable isotype analysis
Stable isotope analysis to determine the diet composition of polar bears as sampled along the Beaufort Sea coast in March and April 2003 and 2004. Bentzen, T.W., E. H. Follmann,... -
Vitamin A and E tissue distribution with comparisons to organochlorine concentrations in the serum, blubber and liver of the bowhead whale
Some persistent organic contaminants can have a negative effect on retinol concentration in serum of pinnipeds and cetaceans. Rosa, C., Blake, J.E., L. Mazzaro, P. Hoekstra,... -
Trace elements in tissues of phocid seals harvested in the Alaskan and Canadian Arctic - Influence of age and feeding ecology
Selected trace elements (Ag, Cu, Cd, Se, An, THg, and MeHg) were measured in subsistence harvested seals. Ringed, bearded and spotted seals were obtained from Alaska along with... -
Serum thyroid hormone concentrations and thyroid histomorphology as biomarkers in bowhead whales.
Serum thyroid hormone (TH) concentrations have been used alone or with other measurements to assess health status or effects of toxicant exposure in marine mammals. Rosa, C.,... -
Seasonal movements and habitat use of Broad whitefish (Coregonus nasus) in the Teshekpuk Lake region of the National Petroleum Reserve-Alaska, 2003-2005
A primary objective of the study was to determine life history characteristics and seasonal habitat use patterns of broad whitefish using Teshekpuk Lake, the Mayoriak River and... -
Fisheries investigations in streams crossed by the proposed Point Thomson Gas Recycling Project
Fish surveys in streams crossed by the Point Thomson Gas Cycling Project were sampled to provide fish and water quality data. Data were collected over two summer seasons.... -
Long-term Monitoring of Vegetation Change Following Tundra Fires in Noatak National Preserve, Alaska
Fire is an important driver of change at the local and landscape levels in the tundra ecosystems of Noatak National Preserve. In July 2005, with support from the National Park... -
Porcupine Caribou Herd Fall 2009 Composition Survey
The Alaska Dept. of Fish and Game (ADFG), the Department of Environment, Government of Yukon (YDOE), and the U.S. Fish and Wildlife Service- Arctic National Wildlife Refuge... -
Persistent organic pollutants in Alaskan ringed seal (Phoca hispida) and walrus (Odobenus rosmarus) blubber
Since 1987, the Alaska Marine Mammal Tissue Archival Project (AMMTAP) has collected tissues from 18 marine mammal species. Specimens are archived in the National Institute of... -
Trophic relationships in an Arctic food web and implications for trace metal transfer
Arctic mammals that were harvested for subsistence were analyzed for Ag, Cd, and THg. Stable carbon and nitrogen isotopes were evaluated to establish trophic interactions within... -
Mercury concentrations in Southern Beaufort Sea polar bears:Variation based on stable isotopes of carbon and nitrogen
Total Hg was measured in 52 adult polar bears captured during 2005 to assess feeding ecology and other biological factors. Cardona-Marek, T., K. K. Knott, B. E. Meyer, T. M.... -
Limnological and Fisheries Investigations of Flooded North Slope Gravel Mine Sites, 1988
Fishery and limnological investigations were conducted at five flooded gravel mine sites in the Prudhoe Bay - Kuparuk oilfields from May through August 1988. Our study included...
