-
Federal
U.S. Geological Survey Polar Bear Mark-Recapture Records, Alaska Portion of the Southern Beaufort Sea, 2001-2010
Department of the Interior —
The dataset consists of one file of tabular data. These data include: a unique bear identification, bear sex, birth year, capture year, capture location (latitude and... -
Federal
Multistate Capture and Search Data from the Southern Beaufort Sea Polar Bear Subpopulation in Alaska, 2001-2016
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
Chukchi Sea Polar Bear Location Data 1985-1996
Department of the Interior —
These data are the raw location data collected from satellite radio-collars fitted on adult female polar bears in the Chukchi Sea, between 1985-1996. The collars were... -
Federal
GPS Location Data from Polar Bears (Ursus maritimus) Instrumented on Land, Western Hudson Bay, Canada, 2019-2022
Department of the Interior —
This dataset is one table with GPS locations collected by satellite-linked GPS receivers on collars (Vertex Plus collar with camera option, Vectronic Aerospace GmbH,... -
Federal
Morphometric and Reproductive Status Data for Sea Otters Collected or Captured in Alaska
Department of the Interior —
This dataset includes morphometric measurements and pregnancy / dependency status from sea otters captured or collected (experimental harvests or recovered after the... -
Federal
Pacific Walrus Coastal Haulout Database 1852-2016
Department of the Interior —
This dataset contains a summary of available information about 150 Pacific walrus haulouts. The data were compiled from available reports (published and unpublished),... -
Federal
Fatty Acid Composition of Polar Bear Adipose Tissue and Ringed and Bearded Seal Blubber Collected in the Chukchi Sea, 2008-2017
Department of the Interior —
These data are the fatty acid compositions (in percent) of adipose tissue samples collected from polar bears and of blubber samples collected from ringed and bearded... -
Federal
Polar Bear Distribution and Habitat Resource Selection Data, Beaufort and Chukchi Seas, 1985-2016
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
SUPERSEDED: Pacific Walrus Coastal Haulout Occurrences Interpreted from Satellite Imagery, 2023
Department of the Interior —
This data release has been SUPERSEDED. No data are provided here. The geospatial outlines and herd size estimates of Chukchi Sea autumn walrus haulouts, interpreted... -
Federal
Walrus Haulout and In-water Activity Levels Relative to Vessel Interactions in the Chukchi Sea, 2012-2015
Department of the Interior —
These data were used to evaluate effects of vessel exposure on Pacific walrus (Odobenus rosmarus divergens) behaviors. We obtained >120,000 hours of location and... -
Federal
Behavior and Diet Data Derived from Video Camera Collars on Polar Bears (Ursus maritimus) Instrumented on Land, Western Hudson Bay, Canada, 2019-2022
Department of the Interior —
This dataset is one table with time-linked behavior data derived from video camera collars on polar bears on land near Churchill, Manitoba, Canada. Eighteen polar... -
Federal
Sex and Age Composition of Walrus Groups Hauled Out on Ice Floes in the Bering and Chukchi Seas, 2013-2015
Department of the Interior —
These data are in one table with age and sex composition counts of groups of walruses on ice floes in the northern Bering and Chukchi Seas. Counts were collected by... -
Federal
Protein and Fat Consumption of Zoo Polar Bears in 14-day Ad Libitum Trials, 2019-2020
Department of the Interior —
This is a single table containing measures of the amount of fat and meat consumed by 4 adult female and 5 adult male polar bears in U.S. zoos when provided both food... -
Federal
Measurement Data of Polar Bears Captured in the Chukchi and Southern Beaufort Seas, 1981-2017
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
Southern Beaufort Sea Polar Bear Fatty Acid Data, Spring Samples 2004-2016
Department of the Interior —
These data consist of the fatty acid composition (percent of mass) of adipose tissue samples from polar bears in Alaska's southern Beaufort Sea. Fat biopsy samples... -
Federal
Diet Composition of Southern Beaufort Sea Polar Bears Sampled in Spring from 2004 to 2016 Estimated with Quantitative Fatty Acid Signature Analysis
Department of the Interior —
These data are estimates of the proportional contributions of bearded seal, beluga whale, bowhead whale, and ringed seal to the diets of southern Beaufort Sea polar... -
Federal
Accelerometer Data from Collared Female Polar Bears in the Beaufort Sea, 2009-2016
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
Tri-axial Accelerometer and Conductivity Sensor Data from Adult Female Polar Bears (Ursus maritimus) in the Southern Beaufort Sea, April-October 2014
Department of the Interior —
This dataset contains archival logger data containing measures of tri-axial acceleration and conductivity for 5 adult female polar bears in the southern Beaufort Sea... -
Federal
GPS and Argos Location Data from Adult Female Polar Bears (Ursus maritimus) in the Southern Beaufort Sea, April-October 2014
Department of the Interior —
This dataset contains GPS and Argos locations collected by satellite-linked GPS receivers on collars attached to 5 adult female polar bears that were instrumented in... -
Federal
Bird density and marine mammal counts based on 7700 meter bins in southern California, 1999-2002
Department of the Interior —
Tracklines and associated observations were mapped and analyzed using ArcMap (ESRI, Redlands, CA). GPS data were recorded in NAD27 map datum and projected to an USGS...