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Federal
FWS Critical Habitat for Threatened and Endangered Species Dataset NGDA recent views
Department of the Interior —
When a species is proposed for listing as endangered or threatened under the Endangered Species Act, the U.S. Fish and Wildlife Service must consider whether there... -
Federal
Multistate Capture and Search Data from the Southern Beaufort Sea Polar Bear Subpopulation in Alaska, 2001-2016 recent views
Department of the Interior —
This data release contains two tables of information on polar bear distributions in the southern Beaufort Sea during spring, from 2001 to 2016. One table provides... -
Federal
Catalogue of Polar Bear (Ursus maritimus) Maternal Den Locations in the Beaufort and Chukchi Seas and Nearby Areas, 1910–2018 recent views
Department of the Interior —
This data reports on the approximate locations and methods of discovery of 530 polar bear (Ursus maritimus) maternal dens observed in the Beaufort and Chukchi seas... -
Federal
Accelerometer Data from Collared Female Polar Bears in the Beaufort Sea, 2009-2016 recent views
Department of the Interior —
This dataset includes accelerometer data collected on collars deployed on female polar bears in the southern Beaufort Sea from 2009-2016. The accelerometer was built... -
Federal
Polar Bear Fall Coastal Survey Data from the Southern Beaufort Sea of Alaska, 2010-2013 recent views
Department of the Interior —
This data set is one table with observations of polar bears located during aerial surveys along the coast and barrier islands of the southern Beaufort Seas during... -
Federal
Measurement Data of Polar Bears Captured in the Chukchi and Southern Beaufort Seas, 1981-2017 recent views
Department of the Interior —
This dataset includes measures collected on polar bears captured in the Chukchi and Beaufort Seas, 1981-2017 by the U.S. Geological Survey and U.S. Fish and Wildlife... -
Federal
Data on Blood Analytes and Post-Release Survival in Spectacled Eiders (Somateria fischeri), Northern Alaska, 2010-2011 recent views
Department of the Interior —
These data are in one table of variables that potentially influenced the immediate post-release survival of spectacled eiders (Somateria fischeri) from the Colville... -
Federal
Southern Beaufort Sea Polar Bear Blood Based Analyte Data, 1983-2018 recent views
Department of the Interior —
This dataset is one table with data collected and derived from polar bears sampled in Alaska's southern Beaufort Sea during 1983-2018. Collected data includes... -
Federal
Polar Bear Continuous Time-Correlated Random Walk (CTCRW) Location Data Derived from Satellite Location Data, Chukchi and Beaufort Seas, July-November 1985-2017 recent views
Department of the Interior —
This dataset consists of one table with estimated locations of adult female polar bears during July-November 1985-2017, used for quantifying changes in summer land... -
Federal
Genetic Data From Nesting Steller’s Eiders (Polysticta stelleri), Near Utqiaġvik, Alaska, 1995-2016 recent views
Department of the Interior —
This data set is comprised of one table with Steller's Eider sample information and allele sizes for 6 microsatellite loci. -
Federal
Cortisol Concentration Data from Polar Bear (Ursus maritimus) Hair Collected in the Bering, Chukchi, and Beaufort seas, Alaska, 1983-1989, 2004-2006, and 2008-2016 recent views
Department of the Interior —
This data release contains one table which includes the concentration of cortisol from polar bear (Ursus maritimus) hair and morphometric data from some of the... -
Federal
Estimated Post-Emergence Period for Denning Polar Bears of the Chukchi and Beaufort Seas recent views
Department of the Interior —
These data are estimates of den emergence date, den site departure dates, and duration at den sites as well as post-emergence observations for female polar bears... -
Federal
Denning Phenology, Den Substrate, and Reproductive Success of Female Polar Bears (Ursus maritimus) in the Southern Beaufort Sea 1986-2013 and the Chukchi Sea 1987-1994 recent views
Department of the Interior —
These data represent estimates of den entrance and exit dates for female polar bears in the southern Beaufort and Chukchi Seas based on temperature sensor data... -
Federal
Carbon and Nitrogen Isotope Concentrations in Polar Bear Hair and Prey from the Alaska Beaufort and Chukchi Seas, 1978-2019 recent views
Department of the Interior —
This dataset includes carbon and nitrogen isotope concentrations measured in polar bear hair and marine mammal prey muscle and blubber samples collected 1978-2019 in... -
Federal
Polar Bear Distribution and Habitat Resource Selection Data, Beaufort and Chukchi Seas, 1985-2016 recent views
Department of the Interior —
These data from satellite radio-collared adult female polar bears captured in the southern Beaufort Sea, 1985-2016 were used for testing the regional, seasonal and... -
Federal
Genomic data (ddRADseq) for phylogenetic and population diversity study of the Narrow-headed gartersnake (Thamnophis rufipunctatus) species complex and Mexican gartersnake (Thamnophis eques) subspecies recent views
Department of the Interior —
We collected ddRADseq data using the Peterson et al. 2012 (see Methodology for full citation) protocol to study the population structure and genetic diversity of... -
Federal
DNA Microsatellite and Sex Identification Marker Screening for Mexican Spotted Owl (Strix occidentalis lucida) recent views
Department of the Interior —
Two tables of data are included in this data release. The first table provides screening results for 32 previously described and/or published microsatellites and 1... -
Federal
Data from a Circumpolar Survey on Recreational Activities in Polar Bear Habitat, 2017-2018 recent views
Department of the Interior —
These data are the responses of researchers, managers, community members, and tour guides who live or work in polar bear habitats anywhere within their range to... -
Federal
Metabolic Rates Measured in Three Captive Adult Female Walruses (Odobenus rosmarus divergens) While Resting, Swimming, and Diving recent views
Department of the Interior —
This dataset contains measurements of oxygen consumption and carbon dioxide production of 3 adult female walruses (Odobenus rosmarus divergens) while resting,... -
Federal
Polar Bear Continuous Time-Correlated Random Walk (CTCRW) Location Data Derived from Satellite Location Data, Southern Beaufort Sea, 1986–2016 recent views
Department of the Interior —
This dataset consists of one table with predicted locations of adult female polar bears. Locations were derived by a Continuous Time-Correlated Random Walk (CTCRW)...