20 datasets found
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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
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 "rawData" folder of this data package. This data package contains all data collected by the Argos System... -
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
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
Pacific Walrus Blubber Lipid Content and Fatty Acid Composition, St. Lawrence Island, 2007-2010
Department of the Interior —
This dataset contains lab-measured percent lipid and fatty acid composition data from Pacific walruses harvested in waters near Saint Lawrence Island. Each row... -
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
Pacific Walrus Coastal Haulout Occurrences Interpreted from Satellite Imagery, 2023
Department of the Interior —
This data release contains maps, geospatial files, and a table of the satellite imagery types with the dates when they were collected and examined to interpret the... -
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 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
Metabarcoding of Feces of Pacific Walruses and Autosomal DNA Sequence Data of Marine Invertebrates, 2012-2015, Alaska.
Department of the Interior —
This data set describes nucleotide sequence data derived from 18S ribosomal DNA amplified in two fragments. A total of 87 feces from Pacific walrus and 57 marine... -
Federal
Walrus Used and Available Resource Units for Northeast Chukchi Sea, 2008-2012
Department of the Interior —
Sea ice loss represents a stressor to the Pacific walrus (Odobenus rosmarus divergens), which feeds on benthic macroinvertebrates in the Bering and Chukchi seas.... -
Federal
Pacific Walrus Coastal Haulout Occurrences Interpreted from Satellite Imagery
Department of the Interior —
This data package is based on images are from a variety of Earth observing satellite imagery sources collected at known Chukchi Sea walrus coastal haulouts in Alaska... -
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
Tracking Data for Pacific Walrus (Odobenus rosmarus divergens)
Department of the Interior —
This data release includes 2 child items with tracking data for Pacific walrus, a marine mammal that ranges between the Alaska Peninsula, up through the Bering and... -
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
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 "processedData" folder of this data package. This data package contains all data collected by the Argos... -
Federal
Walrus Haulout Outlines Apparent from Aerial Survey Images Collected Near Point Lay Alaska, September 2024
Department of the Interior —
This dataset provides walrus haulout group outlines in a shapefile format. These data are based on visual interpretation of imagery from aerial surveys by a small... -
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
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
Walrus Haulout and In-water Activity Levels Relative to Sea Ice Availability in the Chukchi Sea: 2008-2014
Department of the Interior —
An animal's energetic costs are dependent on the amount of time it allocates to various behavioral activities. For Arctic pinnipeds, the time allocated to active and...
20 datasets found