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Federal
Multistate Capture and Search Data from the Southern Beaufort Sea Polar Bear Subpopulation in Alaska, 2001-2016 13 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
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
Mapping Data of Polar Bear Maternal Den Habitat, National Petroleum Reserve–Alaska (NPR-A)
Department of the Interior —
These are geospatial data that characterize the distribution of polar bear denning habitat on the National Petroleum Reserve–Alaska (NPR-A). Two datasets are included... -
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
Pathogen Exposure Data for Chukchi Sea Polar Bears 1988-1994 and 2008-2017
Department of the Interior —
This dataset is one table with results of tests to determine exposure of Chukchi Sea polar bears to a suite of pathogens. Results are serological tests for antibodies... -
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
Measures of Oxygen Consumption and Kinematics of Captive Polar Bears (Ursus maritimus) and Captive Grizzly Bears (Ursus arctos) while Resting and Walking in a Metabolic Chamber
Department of the Interior —
This dataset contains measures of oxygen consumption and kinematic measures from 2 captive polar bears and 7 captive grizzly bears resting and walking in a metabolic... -
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 %) of adipose tissue samples collected from polar bears and of blubber samples collected from ringed and bearded seal... -
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
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
Data Used to Assess the Acute Physiological Response of Polar Bears to Helicopter Capture
Department of the Interior —
This dataset is in five tables with data from ecophysiological studies of free-ranging polar bears of the Southern Beaufort Sea subpopulation. They were equipped with... -
Federal
Behavior Data from Female Polar Bears (Ursus maritimus) Instrumented in the Southern Beaufort Sea with Video Camera Collars by the USGS in April 2014-2016
Department of the Interior —
This dataset contains time-linked behavior data derived from video camera collars on southern Beaufort Sea polar bears. Nine solitary female polar bears were equipped... -
Federal
Archival Logger Data from Female Polar Bears (Ursus maritimus) of the Southern Beaufort Sea by the USGS, April 2014-2016
Department of the Interior —
This dataset contains archival logger data containing measures of tri-axial acceleration and conductivity for 6 female polar bears in the southern Beaufort Sea in... -
Federal
Pathogen and Contaminant Exposure Data from Southern Beaufort Sea Polar Bears, 2007-2014
Department of the Interior —
These were data collected from polar bears from the Southern Beaufort Sea during the spring between 2007 and 2014. Data include individual ID, capture date, sex and... -
Federal
Polar Bear Continuous Time-Correlated Random Walk (CTCRW) Location Data Derived from Satellite Location Data, Chukchi and Beaufort Seas, July-November 1985-2017
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
Mercury Concentrations, Diet, and Gut Microbiota Diversity of Southern Beaufort Sea Polar Bears, 2008-2019
Department of the Interior —
This dataset is two tables with data collected and derived from polar bears sampled in Alaska’s southern Beaufort Sea during 2008-2019. Collected data includes... -
Federal
Cryptosporidium and Giardia Occurrence Data in Wildlife from Arctic Alaska, 2012-2017
Department of the Interior —
This dataset consists of one table with sample collection locations and results of screening resident wildlife for Cryptosporidium and Giardia in the Alaskan Arctic,... -
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
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
Tri-axial Accelerometer Data of Captive Polar Bears (Ursus maritimus) and Captive Grizzly Bears (Ursus arctos) Resting and Walking on a Treadmill
Department of the Interior —
This dataset contains measures of tri-axial acceleration from 2 captive polar bears and 7 captive grizzly bears resting and walking in a metabolic chamber. -
Federal
Data Used to Compare Photo-Interpreted and IfSAR-Derived Maps of Polar Bear Denning Habitat for the 1002 Area of the Arctic National Wildlife Refuge, Alaska, 2006-2016
Department of the Interior —
These are geospatial data that characterize the distribution of polar bear denning habitat in the 1002 Area of the Arctic National Wildlife Refuge, Alaska. They were... -
Federal
Southern Beaufort Sea Polar Bear Diet and Gut Microbiota Data, 2015-2019
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 2015-2019. Data include demographic and...