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
Terrestrial Ecosystems
Filter Total Items: 81
No results found.
Aquatic Ecosystems
Aquatic Ecosystems
Filter Total Items: 149
Tracking data for Red-throated Loons (Gavia stellata) Tracking data for Red-throated Loons (Gavia stellata)
This data release includes 2 child items with tracking data for Red-throated Loons, a species that breeds in coastal areas throughout Alaska and winters along the Pacific coasts of North America and Eurasia. Child Item 1: "Argos Satellite Tracking Data for Red-throated Loons (Gavia stellata) - Processed Data" -- Quality-controlled data collected from Argos satellite transmitters. Child...
Tracking Data for Pacific Loons (Gavia pacifica) Tracking Data for Pacific Loons (Gavia pacifica)
This data release includes 1 child item with tracking data for Pacific Loons, a species that breeds throughout much of Alaska and winters throughout the Pacific Ocean basin, along the coasts of East Asia and North America. Child Item 1: "Argos Satellite Tracking Data for Pacific Loons (Gavia pacifica) - Processed Data" -- Quality-controlled data collected from Argos satellite...
North Pacific Pelagic Seabird Database (NPPSD) North Pacific Pelagic Seabird Database (NPPSD)
The North Pacific Pelagic Seabird Database (NPPSD) is maintained by the USGS Alaska Science Center and includes survey transect data designed and conducted by numerous partners primarily to census seabirds at sea. The data provided here relate to observations of marine birds and mammals observed during at-sea surveys throughout the North Pacific including the Arctic Ocean, Beaufort Sea...
Kasatochi Crested and Least Auklet Survey Data, 1996-2016 Kasatochi Crested and Least Auklet Survey Data, 1996-2016
Crested (Aethia cristatella) and Least Auklets (Aethia pusilla) are crevice-nesting birds that breed in large mixed colonies at relatively few sites in the Aleutian Chain, Bering Sea, Gulf of Alaska and Sea of Okhotsk. Time-lapse imagery of nesting habitat was collected over the summers of 2010, 2012, and 2013 to assess use of the primary pre-eruption colony site. At-sea surveys...
Satellite Location and Tri-Axial Accelerometer Data from Adult Female Polar Bears (Ursus Maritimus) in the Southern Beaufort Sea, April-October 2014 Satellite Location and Tri-Axial Accelerometer Data from Adult Female Polar Bears (Ursus Maritimus) in the Southern Beaufort Sea, April-October 2014
This data package includes 2 child items with location and activity data from adult female polar bears in the southern Beaufort Sea, April-October 2014. Child Item 1: "GPS and Argos Location Data from Adult Female Polar Bears (Ursus maritimus) in the Southern Beaufort Sea, April-October 2014" Child Item 2: "Tri-axial Accelerometer and Conductivity Sensor Data from Adult Female Polar...
Catalogue of Polar Bear (Ursus maritimus) Maternal Den Locations in the Beaufort and Chukchi Seas and Nearby Areas, 1910-2018 Catalogue of Polar Bear (Ursus maritimus) Maternal Den Locations in the Beaufort and Chukchi Seas and Nearby Areas, 1910-2018
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 and neighboring areas between 1910 and 2018, and archived partly by the U.S. Geological Survey, Alaska Science Center, and partly by the U.S. Fish and Wildlife Service, Marine Mammals Management, in Anchorage, Alaska. Data...
Measurement Data of Polar Bears Captured in the Chukchi and Southern Beaufort Sea, 1981-2017 Measurement Data of Polar Bears Captured in the Chukchi and Southern Beaufort Sea, 1981-2017
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 Service. Data collected include body length, body mass, axillary girth, skull width and tail lengths. Bears were also aged as described in the methods. For some bears, an adipose tissue sample was collected and percent lipid...
Bioelectrical Impedance, Deuterium Dilution, Body Mass, and Morphological Measures of Southern Beaufort Sea Female Polar Bears, Spring 2014-2016 Bioelectrical Impedance, Deuterium Dilution, Body Mass, and Morphological Measures of Southern Beaufort Sea Female Polar Bears, Spring 2014-2016
This dataset contains data from the use of bioelectrical impedance analysis and deuterium injection as methods to estimate the body composition of female polar bears in the southern Beaufort Sea subpopulation. Data are provided on bioelectrical impedance resistance measures, the enrichment level of deuterium oxide that was injected and measured in blood samples, and morphological...
Metabolic Rate, Body Composition, Foraging Success, Behavior, and GPS Locations of Female Polar Bears (Ursus maritimus), Beaufort Sea, Spring, 2014-2016 and Resting Energetics of an Adult Female Polar Bear Metabolic Rate, Body Composition, Foraging Success, Behavior, and GPS Locations of Female Polar Bears (Ursus maritimus), Beaufort Sea, Spring, 2014-2016 and Resting Energetics of an Adult Female Polar Bear
This data package includes 5 child items with data from 9 female polar bears without dependent young in the southern Beaufort Sea in April 2014-2016. Child Item 1: "Doubly-labeled Water, Deuterium Dilution, Body Mass, and Blood Biochemistry Data from Female Polar Bears (Ursus maritimus) in the Southern Beaufort Sea by the USGS in April 2014-2016" Child Item 2: "Resting Metabolic Rates of...
Inshore Catch Data for Capelin (Mallotus villosus) in the Gulf of Alaska, 1996-2017 Inshore Catch Data for Capelin (Mallotus villosus) in the Gulf of Alaska, 1996-2017
These data consist of larval ( 60 mm) and age-1+ (> 60 mm) Capelin CPUE (Catch per unit effort) from various catch efforts throughout the Gulf of Alaska (GOA) from 1996 – 2017. The dataset contains the following information: fishing gear type, date, time, catch location (latitude and longitude), tow distance, number of capelin caught, and CPUE for capelin greater than and less than 60...
Wildlife Health and Genetics
Wildlife Health and Genetics
Filter Total Items: 108
Fatty Acid Signature Data of Potential Yellow-billed Loon Prey in the Arctic Coastal Plain of Alaska, 2009-2011 Fatty Acid Signature Data of Potential Yellow-billed Loon Prey in the Arctic Coastal Plain of Alaska, 2009-2011
This dataset contains fatty acid data expressed as mass percent of total fatty acids for several species potentially preyed upon by yellow-billed loons. These data were utilized in a quantitative fatty acid signature analysis to estimate the diet of yellow-billed loons nesting on the Arctic Coastal Plain of Alaska.
Migratory Bird Avian Influenza Sampling; Yukon Kuskokwim Delta, Alaska, 2015 Migratory Bird Avian Influenza Sampling; Yukon Kuskokwim Delta, Alaska, 2015
Data set containing avian influenza sampling information for spring and summer waterbirds on the Yukon Kuskokwim Delta, 2015. Data contains sample ID, species common name, age and sex, collection data and location, and laboratory specific data used to identify presence and absence of avian influenza viruses.
Morphology and Disease Information from Waterfowl, Interior Alaska, 2010 Morphology and Disease Information from Waterfowl, Interior Alaska, 2010
This data set includes data from three waterfowl species (northern pintail, American wdgeon, lesser scaup, green-winged teal and mallard) that were captured in Interior Alaska in 2010, then measured and sampled for blood parasite and avian influenza infections.
Larus Gull Microsatellite DNA Data, 2006-2009 Larus Gull Microsatellite DNA Data, 2006-2009
This data set describes nuclear microsatellite genotypes derived from eleven autosomal loci (Hg16, Hg18, Hg25, K16, Lar12, Lar19, Lar24, Lar26, Rbg13, Rbg18, and Rbg29). A total of 651 Larus gulls were examined for this study with samples collected throughout North America, Europe, Russia, and South America.
Eelgrass (Zostera marina) Microsatellite DNA Data; Pacific Coast of North America, 2000-2009 Eelgrass (Zostera marina) Microsatellite DNA Data; Pacific Coast of North America, 2000-2009
This data set contains genetic information collected from eelgrass (Zostera marina) populations along the Pacific coast of North America from Alaska to Baha California. A total of 447 samples were collected comprising 401 unique individuals (genets) and 46 clones (ramets) from which 10 microsatellite DNA loci were obtained.
Long-tailed Duck (Clangula hyemalis) Microsatellite DNA Data, Alaska, Canada, Russia, 1994-2002 Long-tailed Duck (Clangula hyemalis) Microsatellite DNA Data, Alaska, Canada, Russia, 1994-2002
This data set describes nuclear microsatellite genotypes derived from twelve autosomal loci (6AB, Aph02, Aph08, Aph19, Aph23, Bca10, Bca11, Hhi5, Sfi11, Smo07, Smo09, and CRG), and two Z-linked microsatellite loci (Bca4 and Smo1). A total of 111 Long-tailed Ducks were examined for this genotyping with samples coming from the two primary breeding locales within Alaska (Arctic Coastal...
Assessing the Robustness of Quantitative Fatty Acid Signature Analysis to Assumption Violations (Supplementary Data) Assessing the Robustness of Quantitative Fatty Acid Signature Analysis to Assumption Violations (Supplementary Data)
This dataset contains fatty acid (FA) data expressed as mass percent of total FA for bearded seals, ringed seals and walrus. This is one of many datasets used in Bromaghin et al. 2016 (https://doi.org/10.1111/2041-210X.12456). These supplemental data were used in computer simulations to compare the bias of several quantitative fatty acid signature analysis (QFASA) estimators and develop
Laysan Teal (Anas laysanensis) Microsatellite DNA Data, Laysan Island 1999-2009, Midway Atoll 2007-2010 Laysan Teal (Anas laysanensis) Microsatellite DNA Data, Laysan Island 1999-2009, Midway Atoll 2007-2010
The geographically closed, non-migratory populations of endangered Laysan Teal (Anas laysanensis) were sampled in the wild. This species was once widespread across the Hawaiian archipelago, but became isolated on Laysan Island (415 ha) from the mid-1800s until 2004 when a translocation to Midway Atoll (596 ha) was undertaken to reduce extinction risks. We compared genetic diversity and...
Environmental Health and eDNA
Environmental Health and eDNA
Habitat and Landscape Change
Habitat and Landscape Change
Filter Total Items: 38
No results found.
Ecosystem Analytics
Ecosystem Analytics
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
Terrestrial Ecosystems
Filter Total Items: 81
No results found.
Aquatic Ecosystems
Aquatic Ecosystems
Filter Total Items: 149
Tracking data for Red-throated Loons (Gavia stellata) Tracking data for Red-throated Loons (Gavia stellata)
This data release includes 2 child items with tracking data for Red-throated Loons, a species that breeds in coastal areas throughout Alaska and winters along the Pacific coasts of North America and Eurasia. Child Item 1: "Argos Satellite Tracking Data for Red-throated Loons (Gavia stellata) - Processed Data" -- Quality-controlled data collected from Argos satellite transmitters. Child...
Tracking Data for Pacific Loons (Gavia pacifica) Tracking Data for Pacific Loons (Gavia pacifica)
This data release includes 1 child item with tracking data for Pacific Loons, a species that breeds throughout much of Alaska and winters throughout the Pacific Ocean basin, along the coasts of East Asia and North America. Child Item 1: "Argos Satellite Tracking Data for Pacific Loons (Gavia pacifica) - Processed Data" -- Quality-controlled data collected from Argos satellite...
North Pacific Pelagic Seabird Database (NPPSD) North Pacific Pelagic Seabird Database (NPPSD)
The North Pacific Pelagic Seabird Database (NPPSD) is maintained by the USGS Alaska Science Center and includes survey transect data designed and conducted by numerous partners primarily to census seabirds at sea. The data provided here relate to observations of marine birds and mammals observed during at-sea surveys throughout the North Pacific including the Arctic Ocean, Beaufort Sea...
Kasatochi Crested and Least Auklet Survey Data, 1996-2016 Kasatochi Crested and Least Auklet Survey Data, 1996-2016
Crested (Aethia cristatella) and Least Auklets (Aethia pusilla) are crevice-nesting birds that breed in large mixed colonies at relatively few sites in the Aleutian Chain, Bering Sea, Gulf of Alaska and Sea of Okhotsk. Time-lapse imagery of nesting habitat was collected over the summers of 2010, 2012, and 2013 to assess use of the primary pre-eruption colony site. At-sea surveys...
Satellite Location and Tri-Axial Accelerometer Data from Adult Female Polar Bears (Ursus Maritimus) in the Southern Beaufort Sea, April-October 2014 Satellite Location and Tri-Axial Accelerometer Data from Adult Female Polar Bears (Ursus Maritimus) in the Southern Beaufort Sea, April-October 2014
This data package includes 2 child items with location and activity data from adult female polar bears in the southern Beaufort Sea, April-October 2014. Child Item 1: "GPS and Argos Location Data from Adult Female Polar Bears (Ursus maritimus) in the Southern Beaufort Sea, April-October 2014" Child Item 2: "Tri-axial Accelerometer and Conductivity Sensor Data from Adult Female Polar...
Catalogue of Polar Bear (Ursus maritimus) Maternal Den Locations in the Beaufort and Chukchi Seas and Nearby Areas, 1910-2018 Catalogue of Polar Bear (Ursus maritimus) Maternal Den Locations in the Beaufort and Chukchi Seas and Nearby Areas, 1910-2018
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 and neighboring areas between 1910 and 2018, and archived partly by the U.S. Geological Survey, Alaska Science Center, and partly by the U.S. Fish and Wildlife Service, Marine Mammals Management, in Anchorage, Alaska. Data...
Measurement Data of Polar Bears Captured in the Chukchi and Southern Beaufort Sea, 1981-2017 Measurement Data of Polar Bears Captured in the Chukchi and Southern Beaufort Sea, 1981-2017
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 Service. Data collected include body length, body mass, axillary girth, skull width and tail lengths. Bears were also aged as described in the methods. For some bears, an adipose tissue sample was collected and percent lipid...
Bioelectrical Impedance, Deuterium Dilution, Body Mass, and Morphological Measures of Southern Beaufort Sea Female Polar Bears, Spring 2014-2016 Bioelectrical Impedance, Deuterium Dilution, Body Mass, and Morphological Measures of Southern Beaufort Sea Female Polar Bears, Spring 2014-2016
This dataset contains data from the use of bioelectrical impedance analysis and deuterium injection as methods to estimate the body composition of female polar bears in the southern Beaufort Sea subpopulation. Data are provided on bioelectrical impedance resistance measures, the enrichment level of deuterium oxide that was injected and measured in blood samples, and morphological...
Metabolic Rate, Body Composition, Foraging Success, Behavior, and GPS Locations of Female Polar Bears (Ursus maritimus), Beaufort Sea, Spring, 2014-2016 and Resting Energetics of an Adult Female Polar Bear Metabolic Rate, Body Composition, Foraging Success, Behavior, and GPS Locations of Female Polar Bears (Ursus maritimus), Beaufort Sea, Spring, 2014-2016 and Resting Energetics of an Adult Female Polar Bear
This data package includes 5 child items with data from 9 female polar bears without dependent young in the southern Beaufort Sea in April 2014-2016. Child Item 1: "Doubly-labeled Water, Deuterium Dilution, Body Mass, and Blood Biochemistry Data from Female Polar Bears (Ursus maritimus) in the Southern Beaufort Sea by the USGS in April 2014-2016" Child Item 2: "Resting Metabolic Rates of...
Inshore Catch Data for Capelin (Mallotus villosus) in the Gulf of Alaska, 1996-2017 Inshore Catch Data for Capelin (Mallotus villosus) in the Gulf of Alaska, 1996-2017
These data consist of larval ( 60 mm) and age-1+ (> 60 mm) Capelin CPUE (Catch per unit effort) from various catch efforts throughout the Gulf of Alaska (GOA) from 1996 – 2017. The dataset contains the following information: fishing gear type, date, time, catch location (latitude and longitude), tow distance, number of capelin caught, and CPUE for capelin greater than and less than 60...
Wildlife Health and Genetics
Wildlife Health and Genetics
Filter Total Items: 108
Fatty Acid Signature Data of Potential Yellow-billed Loon Prey in the Arctic Coastal Plain of Alaska, 2009-2011 Fatty Acid Signature Data of Potential Yellow-billed Loon Prey in the Arctic Coastal Plain of Alaska, 2009-2011
This dataset contains fatty acid data expressed as mass percent of total fatty acids for several species potentially preyed upon by yellow-billed loons. These data were utilized in a quantitative fatty acid signature analysis to estimate the diet of yellow-billed loons nesting on the Arctic Coastal Plain of Alaska.
Migratory Bird Avian Influenza Sampling; Yukon Kuskokwim Delta, Alaska, 2015 Migratory Bird Avian Influenza Sampling; Yukon Kuskokwim Delta, Alaska, 2015
Data set containing avian influenza sampling information for spring and summer waterbirds on the Yukon Kuskokwim Delta, 2015. Data contains sample ID, species common name, age and sex, collection data and location, and laboratory specific data used to identify presence and absence of avian influenza viruses.
Morphology and Disease Information from Waterfowl, Interior Alaska, 2010 Morphology and Disease Information from Waterfowl, Interior Alaska, 2010
This data set includes data from three waterfowl species (northern pintail, American wdgeon, lesser scaup, green-winged teal and mallard) that were captured in Interior Alaska in 2010, then measured and sampled for blood parasite and avian influenza infections.
Larus Gull Microsatellite DNA Data, 2006-2009 Larus Gull Microsatellite DNA Data, 2006-2009
This data set describes nuclear microsatellite genotypes derived from eleven autosomal loci (Hg16, Hg18, Hg25, K16, Lar12, Lar19, Lar24, Lar26, Rbg13, Rbg18, and Rbg29). A total of 651 Larus gulls were examined for this study with samples collected throughout North America, Europe, Russia, and South America.
Eelgrass (Zostera marina) Microsatellite DNA Data; Pacific Coast of North America, 2000-2009 Eelgrass (Zostera marina) Microsatellite DNA Data; Pacific Coast of North America, 2000-2009
This data set contains genetic information collected from eelgrass (Zostera marina) populations along the Pacific coast of North America from Alaska to Baha California. A total of 447 samples were collected comprising 401 unique individuals (genets) and 46 clones (ramets) from which 10 microsatellite DNA loci were obtained.
Long-tailed Duck (Clangula hyemalis) Microsatellite DNA Data, Alaska, Canada, Russia, 1994-2002 Long-tailed Duck (Clangula hyemalis) Microsatellite DNA Data, Alaska, Canada, Russia, 1994-2002
This data set describes nuclear microsatellite genotypes derived from twelve autosomal loci (6AB, Aph02, Aph08, Aph19, Aph23, Bca10, Bca11, Hhi5, Sfi11, Smo07, Smo09, and CRG), and two Z-linked microsatellite loci (Bca4 and Smo1). A total of 111 Long-tailed Ducks were examined for this genotyping with samples coming from the two primary breeding locales within Alaska (Arctic Coastal...
Assessing the Robustness of Quantitative Fatty Acid Signature Analysis to Assumption Violations (Supplementary Data) Assessing the Robustness of Quantitative Fatty Acid Signature Analysis to Assumption Violations (Supplementary Data)
This dataset contains fatty acid (FA) data expressed as mass percent of total FA for bearded seals, ringed seals and walrus. This is one of many datasets used in Bromaghin et al. 2016 (https://doi.org/10.1111/2041-210X.12456). These supplemental data were used in computer simulations to compare the bias of several quantitative fatty acid signature analysis (QFASA) estimators and develop
Laysan Teal (Anas laysanensis) Microsatellite DNA Data, Laysan Island 1999-2009, Midway Atoll 2007-2010 Laysan Teal (Anas laysanensis) Microsatellite DNA Data, Laysan Island 1999-2009, Midway Atoll 2007-2010
The geographically closed, non-migratory populations of endangered Laysan Teal (Anas laysanensis) were sampled in the wild. This species was once widespread across the Hawaiian archipelago, but became isolated on Laysan Island (415 ha) from the mid-1800s until 2004 when a translocation to Midway Atoll (596 ha) was undertaken to reduce extinction risks. We compared genetic diversity and...
Environmental Health and eDNA
Environmental Health and eDNA
Habitat and Landscape Change
Habitat and Landscape Change
Filter Total Items: 38
No results found.
Ecosystem Analytics
Ecosystem Analytics