25 datasets found
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Federal
Argos Satellite Tracking Data for Pacific Walrus (Odobenus rosmarus divergens) - Raw Data
Department of the Interior —
This metadata document describes the data contained in the "Argos Raw Data" (Child Item 2) of this data release. This data release contains all data collected by the... -
Federal
Argos Satellite Tracking Data for Pacific Walrus (Odobenus rosmarus divergens) - Processed Data
Department of the Interior —
This metadata document describes the data contained in the "Argos Processed Data" (Child Item 1) of this data release. This data release contains all data collected... -
Federal
Pacific Walrus Seasonal Distribution from USGS Tracking Data, Chukchi and Bering Seas, 1987-2015
Department of the Interior —
This data release includes two summary geospatial rasters in GeoTIFF format indicating the seasonal Pacific walrus distribution apparent from location tracking... -
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
Walrus Haulout Outlines and Count Data Apparent from Aerial Survey Images Collected Near Point Lay Alaska, Autumn 2018 and 2019
Department of the Interior —
This dataset provides walrus haulout group outlines, systematic grids cast over the outlines, and digitized points at the centroids of the individual walruses... -
Federal
Walrus Haulout Outlines Apparent from Satellite Imagery Near Point Lay Alaska, Autumn 2018-2020
Department of the Interior —
These data are in three folders of Keyhole Markup Language (KML) geospatial polygons representing the outlines of walrus herds apparent in satellite imagery. Each KML... -
Federal
Behavior of Pacific Walruses (Odobenus rosmarus divergens) Hauled Out on Sea Ice During UAS Overflights, Eastern Chukchi Sea, 2015
Department of the Interior —
This dataset is comprised of three tables showing the reaction of walruses hauled out on sea ice of the Chukchi Sea to overflights by rotary wing Unoccupied Aircraft... -
Federal
Pacific Walrus Coastal Haulout Images from Carcass Surveys
Department of the Interior —
This data package contains digital images, survey location logs and a summary tabulation from carcass survey conducted at walrus haulouts in Alaska. A summary of... -
Federal
Walrus Haulout Aerial Survey Data Near Point Lay, Alaska
Department of the Interior —
This dataset consists of the complete set of processed aerial imagery and survey data from walrus haulouts collected by unoccupied aerial system (UAS) surveys near... -
Federal
Walrus Bayesian State-space Model Output from the Bering Sea and Chukchi Sea, 2008-2012
Department of the Interior —
State-space models offer researchers an objective approach to modeling complex animal location datasets, and state-space model behavior classifications are often... -
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
Pacific Walrus Coastal Haulout Images from Remote Camera Stations
Department of the Interior —
This data package contains 362 digital photos of a walrus haulout location at Cape Greig, on the Alaska Peninsula summer 2023 (2023-05-09 23:01:08 UTC through... -
Federal
Walrus Haulout Aerial Survey Data Near Point Lay Alaska, Autumn 2018 and 2019
Department of the Interior —
This dataset consists of the complete set of aerial imagery and data from walrus haulouts collected by unoccupied aerial system (UAS) surveys near Pt. Lay, Alaska,... -
Federal
Walrus Haulout Photographs Near Pt. Lay Alaska, September 2014
Department of the Interior —
These data are three sets of aerial photos used to estimate the number of walruses at a haulout near Pt. Lay, Alaska in September 2014. They were collected during... -
Federal
Data Supporting Walrus Areas of Use in the Chukchi Sea During Sparse Sea Ice Cover
Department of the Interior —
The dataset consists of geospatial files depicting the estimated June-to-November distribution of walrus foraging and occupancy during a four year period of sparse... -
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
Pacific Walrus Coastal Haulout Occurrences Interpreted from Satellite Imagery
Department of the Interior —
This dataset is derived from images from a variety of Earth observing satellite imagery sources collected at known walrus coastal haulouts in Alaska and Chukotka,... -
Federal
Metabolic Rates Measured in Three Captive Adult Female Walruses (Odobenus rosmarus divergens) While Resting, Swimming, and Diving
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
Morphological Measures of Pacific Walruses Collected in the Chukchi and Bering Seas 1972-1991
Department of the Interior —
This dataset contains morphological measures of Pacific walruses sampled in the Chukchi and Bering Seas between 1972 and 1991. From 1972 through 1991 the Soviet Union... -
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...
25 datasets found