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ASC Ecosystems Data Releases

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By Alaska Science Center July 28, 2025

Alaska Science Center Ecosystems data releases are grouped by topic: Terrestrial Ecosystems, Aquatic Ecosystems, Wildlife Health and Genetics, Environmental Health and eDNA, Habitat and Landscape Change, and Ecosystem Analytics. 

Return to Ecosystems or ASC Data Releases

Terrestrial Ecosystems | Aquatic Ecosystems | Wildlife Health and Genetics | Environmental Health and eDNA | Habitat and Landscape Change | Ecosystem Analytics

View by subject area:

Birds - Loons | Waterfowl | Shorebirds | Seabirds | Landbirds

Mammals - Caribou | Polar Bears | Walruses | Sea Otters

Fish - Marine and Freshwater Fish | Forage Fish

Landscape - Nearshore Marine | Eelgrass | Rusting Rivers

Genetics and Disease - Molecular Ecology Laboratory | Wildlife Disease

Quantitative Support - Ecosystem Analytics

View by collection:

ASC Wildlife Tracking Data Collection

 

Terrestrial Ecosystems

Filter Total Items: 80
No results found.

Aquatic Ecosystems

Filter Total Items: 145

ArcGIS Mapping Service for Pacific Walrus Coastal Haulouts ArcGIS Mapping Service for Pacific Walrus Coastal Haulouts

ArcGIS web mapping service created for the Pacific walrus coastal haulout database for NOAA's use. We summarize available information on Pacific walrus haulouts from available reports, interviews with coastal residents and aviators, and personal observations of the authors. We provide this in the form of a georeferenced database that may be queried and displayed with standard geographic
By
Alaska Science Center

Pacific Walrus Coastal Haulout Database 1852-2016 Pacific Walrus Coastal Haulout Database 1852-2016

This dataset contains a summary of available information about 150 Pacific walrus haulouts. The data were compiled from available reports (published and unpublished), interviews with coastal residents and aviators, and the personal observations of the authors. Each record provides summary characteristics, including: location information, maximum haulout size, age-sex composition, season...
By
Alaska Science Center

Spectacled Eider (Somateria fischeri) Nest, Capture, and Resight Records, Yukon-Kuskokwim Delta, Alaska Spectacled Eider (Somateria fischeri) Nest, Capture, and Resight Records, Yukon-Kuskokwim Delta, Alaska

This dataset contains capture, measurement, and resight data from Spectacled Eiders (Somateria fischeri) near the Kashunuk River and on Kigigak Island on the Yukon-Kuskokwim Delta, Alaska since 1991. This dataset contains nest visit records of Spectacled Eiders (Somateria fischeri) near the Kashunuk River and on Kigigak Island on the Yukon-Kuskokwim Delta, Alaska since 1991.
By
Alaska Science Center

Chukchi Sea Polar Bear Location Data 1985-1996 Chukchi Sea Polar Bear Location Data 1985-1996

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 worn by adult female polar bears ranging within the Chukchi Sea subpopulation boundaries as identified by the International Union for the Conservation of Nature's Polar Bear Specialist Group. Agros collars were programmed...
By
Alaska Science Center

U.S. Geological Survey Polar Bear Mark-Recapture Records, Alaska Portion of the Southern Beaufort Sea, 2001-2010 U.S. Geological Survey Polar Bear Mark-Recapture Records, Alaska Portion of the Southern Beaufort Sea, 2001-2010

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 longitude), indicator of satellite radio status, and search effort.
By
Alaska Science Center

Wildlife Health and Genetics

Filter Total Items: 109
No results found.

Environmental Health and eDNA

No results found.

Habitat and Landscape Change

Filter Total Items: 38
No results found.

Ecosystem Analytics

No results found.

Alaska Science Center Ecosystems data releases are grouped by topic: Terrestrial Ecosystems, Aquatic Ecosystems, Wildlife Health and Genetics, Environmental Health and eDNA, Habitat and Landscape Change, and Ecosystem Analytics. 

Return to Ecosystems or ASC Data Releases

Terrestrial Ecosystems | Aquatic Ecosystems | Wildlife Health and Genetics | Environmental Health and eDNA | Habitat and Landscape Change | Ecosystem Analytics

View by subject area:

Birds - Loons | Waterfowl | Shorebirds | Seabirds | Landbirds

Mammals - Caribou | Polar Bears | Walruses | Sea Otters

Fish - Marine and Freshwater Fish | Forage Fish

Landscape - Nearshore Marine | Eelgrass | Rusting Rivers

Genetics and Disease - Molecular Ecology Laboratory | Wildlife Disease

Quantitative Support - Ecosystem Analytics

View by collection:

ASC Wildlife Tracking Data Collection

 

Terrestrial Ecosystems

Filter Total Items: 80
No results found.

Aquatic Ecosystems

Filter Total Items: 145

ArcGIS Mapping Service for Pacific Walrus Coastal Haulouts ArcGIS Mapping Service for Pacific Walrus Coastal Haulouts

ArcGIS web mapping service created for the Pacific walrus coastal haulout database for NOAA's use. We summarize available information on Pacific walrus haulouts from available reports, interviews with coastal residents and aviators, and personal observations of the authors. We provide this in the form of a georeferenced database that may be queried and displayed with standard geographic
By
Alaska Science Center

Pacific Walrus Coastal Haulout Database 1852-2016 Pacific Walrus Coastal Haulout Database 1852-2016

This dataset contains a summary of available information about 150 Pacific walrus haulouts. The data were compiled from available reports (published and unpublished), interviews with coastal residents and aviators, and the personal observations of the authors. Each record provides summary characteristics, including: location information, maximum haulout size, age-sex composition, season...
By
Alaska Science Center

Spectacled Eider (Somateria fischeri) Nest, Capture, and Resight Records, Yukon-Kuskokwim Delta, Alaska Spectacled Eider (Somateria fischeri) Nest, Capture, and Resight Records, Yukon-Kuskokwim Delta, Alaska

This dataset contains capture, measurement, and resight data from Spectacled Eiders (Somateria fischeri) near the Kashunuk River and on Kigigak Island on the Yukon-Kuskokwim Delta, Alaska since 1991. This dataset contains nest visit records of Spectacled Eiders (Somateria fischeri) near the Kashunuk River and on Kigigak Island on the Yukon-Kuskokwim Delta, Alaska since 1991.
By
Alaska Science Center

Chukchi Sea Polar Bear Location Data 1985-1996 Chukchi Sea Polar Bear Location Data 1985-1996

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 worn by adult female polar bears ranging within the Chukchi Sea subpopulation boundaries as identified by the International Union for the Conservation of Nature's Polar Bear Specialist Group. Agros collars were programmed...
By
Alaska Science Center

U.S. Geological Survey Polar Bear Mark-Recapture Records, Alaska Portion of the Southern Beaufort Sea, 2001-2010 U.S. Geological Survey Polar Bear Mark-Recapture Records, Alaska Portion of the Southern Beaufort Sea, 2001-2010

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 longitude), indicator of satellite radio status, and search effort.
By
Alaska Science Center

Wildlife Health and Genetics

Filter Total Items: 109
No results found.

Environmental Health and eDNA

No results found.

Habitat and Landscape Change

Filter Total Items: 38
No results found.

Ecosystem Analytics

No results found.
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