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: 80
Emperor Goose (Anser canagicus) Nest Visit, Fate, and Dispersal Distances from the Yukon-Kuskokwim Delta, Alaska, 2000-2017 Emperor Goose (Anser canagicus) Nest Visit, Fate, and Dispersal Distances from the Yukon-Kuskokwim Delta, Alaska, 2000-2017
These data are in two tables: 1) table relating to emperor goose nest visit, nest fate, and nest dispersal distances on the Yukon-Kuskokwim Delta in Alaska, 2000-2017; 2) table with means and standard deviations for posterior distributions of predicted nest-age and year specific daily nest survival probabilities for emperor geese derived from estimates reported by Thompson et al. (2023)...
Aerial Surveys of Rock Sandpiper During Winter in upper Cook Inlet, Alaska, 1997-2012 Aerial Surveys of Rock Sandpiper During Winter in upper Cook Inlet, Alaska, 1997-2012
This data release consists of one table of multi-year observations of Rock Sandpipers (Calidris ptilocnemis) and aerial photographs of Rock Sandpiper flocks at sites in upper Cook Inlet, Alaska, 1997-2014.
Nesting Period Data for Black Brant (Branta bernicla nigricans) in Alaska Nesting Period Data for Black Brant (Branta bernicla nigricans) in Alaska
This data package contains one table with nest initiation and end dates and clutch sizes from Black Brant (Branta bernicla nigricans) at two breeding colonies in Alaska. Data include nesting period determined by either nest visits or light-level data recorded by geolocators attached tarsal bands.
Tracking Data for Black Brant (Branta bernicla nigricans) Tracking Data for Black Brant (Branta bernicla nigricans)
This data release includes 1 child item with tracking data for Black Brant, a goose species that breeds in coastal areas of Alaska, northwestern Canada, and northeastern Russia and winters along coastal areas of North America from western Alaska to Mexico. Child Item 1: "Light-Level Geolocator Tracking Data for Black Brant (Branta bernicla nigricans)" -- Tracking data collected from...
Alaska Landbird Monitoring Survey Dataset Alaska Landbird Monitoring Survey Dataset
Boreal Partners in Flight developed the Alaska Landbird Monitoring Survey (ALMS) primarily to monitor breeding populations of landbirds in the vast off-road areas of Alaska in conjunction with data collected from the roadside North American Breeding Bird Survey (BBS). ALMS is a collaborative program in which agencies and other entities conduct standardized surveys of breeding birds and...
U.S. Fish and Wildlife Service Argos GPS Satellite Tracking Data for Lesser Yellowlegs (Tringa flavipes) U.S. Fish and Wildlife Service Argos GPS Satellite Tracking Data for Lesser Yellowlegs (Tringa flavipes)
This data package contains location data collected by the Argos System (CLS America, Inc.) from satellite transmitters attached to 116 Lesser Yellowlegs captured at multiple sites across their breeding and nonbreeding range in North America, 2018-2021. The raw data were processed to accomplish two goals: 1) flag implausible location and 2) remove locations within Joint Base Elmendorf...
GPS Tracking Data for Caribou (Rangifer tarandus granti) from the Fortymile Herd, Alaska, 1998-1999 GPS Tracking Data for Caribou (Rangifer tarandus granti) from the Fortymile Herd, Alaska, 1998-1999
These data were part of a pilot tracking study of three adult female caribou from the Fortymile Herd in Alaska. The dataset is comprised of two comma separated values (.csv) files. Data includes: 1) processed (i.e., erroneous locations removed) GPS locations for caribou, received once per hour for 6 months (October 1998 to April 1999), and 2) spatial, temporal, and biological attributes...
Tracking Data for Long-billed Curlews (Numenius americanus) Tracking Data for Long-billed Curlews (Numenius americanus)
This data release includes 2 child items with tracking data for Long-billed Curlews, a shorebird species that nests in deserts and grasslands of central and western North America and spends the nonbreeding season in agriculture fields and pastures or along coastlines in California, Texas, and Mexico. Child Item 1: "Argos Satellite Tracking Data for Long-billed Curlews (Numenius...
Movement Data for Migrating Geese Over the Northeast Pacific Ocean, 2018-2021 Movement Data for Migrating Geese Over the Northeast Pacific Ocean, 2018-2021
This dataset consists of one table with a record (row) for each goose location and columns containing location information and covariates. The dataset was used in an analysis of altitude selection and flight propensity in an accompanying paper (Weiser et al. 2024) and is being provided here to allow replication of that analysis. Goose locations (latitude, longitude, and altitude) were...
Data from the Inventory of Montane-nesting Birds in the Arctic Network of National Parks, Alaska Data from the Inventory of Montane-nesting Birds in the Arctic Network of National Parks, Alaska
This package contains information collected during avian and habitat survey data at five national parks/monuments: Cape Krusenstern National Monument, Gates of the Arctic National Park and Preserve, Kobuk Valley National Park, Noatak National Preserve, and Bering Land Bridge National Preserve. The objectives of the surveys were to document the occurrence of 90 percent of the bird species...
Aquatic Ecosystems
Aquatic Ecosystems
Filter Total Items: 145
Fish Nutritional Quality, Biomarkers, Communities, and Environmental Data from the Nearshore Beaufort Sea, Alaska, 2021-2023 Fish Nutritional Quality, Biomarkers, Communities, and Environmental Data from the Nearshore Beaufort Sea, Alaska, 2021-2023
This data release contains information derived from fishing efforts and sampled fish from the nearshore Beaufort Sea, Alaska, 2021-2023, as part of a study investigating red-throated loon productivity and diet. The datasets include six tables comprising 1) catch per unit effort (CPUE) data, 2) field-measured lengths of fish (mm), 3) the energy density (kJ/g) and whole-body energy (kJ) of...
Walrus Haulout Aerial Survey Data Near Point Lay, Alaska Walrus Haulout Aerial Survey Data Near Point Lay, Alaska
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 Pt. Lay, Alaska, during the autumn 2024 and 2025. The data include georeferenced optical three band (red, green, blue) aerial images and orthoimages derived from those aerial images through the standardized structure from...
Data on the Deterioration of Different Types of Attachment Hardware on Sham Satellite Radio Collars Data on the Deterioration of Different Types of Attachment Hardware on Sham Satellite Radio Collars
Polar bears (Ursus maritimus) are difficult to study because of logistical challenges. Satellite radio collars are an excellent tool for efficiently collecting information on the distribution and habitat use of polar bears because they can be deployed for multiple years. Radio collars can be constructed using materials and devices that result in the collar falling off an animal so that...
Physical and Imagery-Based Morphological Measures of Pacific Walruses in Human Care Physical and Imagery-Based Morphological Measures of Pacific Walruses in Human Care
This dataset contains morphological measures of 21 Pacific walruses in human care in the United States, Belgium, and Germany measured directly and via an aerially mounted camera in 2022 and 2023. Six individuals were measured twice: once at their typical annual lowest body mass and once at their typical annual maximum body mass. The remaining 15 individuals were measured on one occasion...
Data from the Capture and Collection of Non Die-off Seabirds Across Alaska Data from the Capture and Collection of Non Die-off Seabirds Across Alaska
This data package contains one table with morphometric and diet information for "non-die-off" seabirds captured and collected in southcentral and southwest Alaska. Data pertains to birds captured (live) or collected (lethally) including, bird identification numbers, sampling dates, geographic locations, body measurements, diets (from either stomach contents or regurgitated prey), and sex...
Sea Otter Aerial Survey Data from lower Cook Inlet and the outer Kenai Penisula, Alaska, 2002 Sea Otter Aerial Survey Data from lower Cook Inlet and the outer Kenai Penisula, Alaska, 2002
This dataset consists of three tables related to abundance and distribution of northern sea otters (Enhydra lutris kenyoni) in lower Cook Inlet and the outer Kenai Peninsula, Alaska, based on data collected during a series of aerial surveys from May-Aug 2002. The dataset consists of: (1) sea otter counts along strip transects, (2) sea otter counts in Intensive Search Unit (ISU) within...
Sea Otter Aerial Survey Data from Western Prince William Sound, Alaska, 2022 Sea Otter Aerial Survey Data from Western Prince William Sound, Alaska, 2022
This dataset consists of three tables related to abundance and distribution of northern sea otters (Enhydra lutris kenyoni) in western Prince William Sound, Alaska, based on data collected during a series of population-wide aerial surveys in June 2022. The dataset consists of: (1) sea otter counts along strip transects, (2) sea otter counts in Intensive Search Unit (ISU) within the...
Black Oystercatcher Morphology and Primary Feather Lengths in Alaska and British Columbia, 2019-2022 Black Oystercatcher Morphology and Primary Feather Lengths in Alaska and British Columbia, 2019-2022
These data provide morphological measurements and primary feather length measurements of Black Oystercatcher (Haematopus bachmani) captured at several sites across Alaska and British Columbia between 2019 and 2022. The first table contains mass and morphological measurements of body and bill size. The second table provides lengths of individual primary feathers measured from folded wing
Glacier Bay National Park and Preserve Sea Otter Forage Data, 1993-2019 Glacier Bay National Park and Preserve Sea Otter Forage Data, 1993-2019
These data describe observations of sea otter foraging behavior in Glacier Bay National Park and Preserve. Data consist of dive and surface times, success in prey retrieval, prey item, prey quantity, and size. Additionally, location of observations, and age class, sex, and pup status of the focal sea otter were also recorded.
Alaska Forage Fish Database (AFFD) Alaska Forage Fish Database (AFFD)
The Alaska Forage Fish Database (AFFD) is a consolidation of survey data from multiple agencies that were sampled via fishing gear and predator diets. The spatial coverage includes the Gulf of Alaska, Bering Sea, Aleutian Islands, Chukchi Sea, and Beaufort Sea. Fish species within the database include Pacific sand lance, Pacific capelin, Pacific herring, juvenile walleye pollock and...
Wildlife Health and Genetics
Wildlife Health and Genetics
Filter Total Items: 109
Data for Investigation of Egg Mortality in a Louisiana Population of Endangered Whooping Cranes Data for Investigation of Egg Mortality in a Louisiana Population of Endangered Whooping Cranes
This data set describes the genomic bacterial analysis of swabs and tissues collected from whooping cranes in Louisiana. The data includes targeted analysis from quantitative PCR for bacterial pathogens.
Genetic Data Used to Develop a Genotyping-in-Thousands by Sequencing (GT-seq) Panel for Identifying Individuals and Estimating Relatedness in Alaska Black Bears (Ursus americanus) Genetic Data Used to Develop a Genotyping-in-Thousands by Sequencing (GT-seq) Panel for Identifying Individuals and Estimating Relatedness in Alaska Black Bears (Ursus americanus)
This data package includes genotype data for two independent sets of American black bear (Ursus americanus) samples. The first set of samples was collected from 85 adult bears harvested by permitted hunters in southcentral Alaska from 1994-2019; we hereafter refer to these as "hunter-harvested" samples. These hunter-harvested samples were genotyped with restriction site-associated...
Polar Bear (Ursus maritimus) Genetic Data from the Chukchi Sea Polar Bear (Ursus maritimus) Genetic Data from the Chukchi Sea
This data set provides polar bear (Ursus maritimus) microsatellite genotypes derived from 21 loci (CPH9, CXX20, CXX110, CXX173, G1A, G10B, G10C, G1D, G10H, G10J, G10L, G10M, G10P, G10U, G10X, Mu26, Mu50, Mu51, Mu59, MSUT-2, REN145P07). Blood serum and hair samples for microsatellite genetic analysis were collected from polar bears from the Chukchi Sea between 1986 and 2019. Serum samples...
Heat Shock Protein 70 Abundance in Pacific Salmon Heat Shock Protein 70 Abundance in Pacific Salmon
This data release contains one table with heat shock protein 70 (HSP70) abundance measurements of Pacific salmon (Oncorhynchus spp.) muscle samples, collected from fish occupying freshwater in various Alaskan watersheds. Water temperatures associated with a sampled fish are also included in the dataset, when available.
Southern Beaufort Sea Polar Bear Hemoglobin A1c Data Southern Beaufort Sea Polar Bear Hemoglobin A1c Data
This dataset is one table with demographic, morphometric, and blood analyte measurements from whole blood and serum samples taken from a subset of polar bears sampled in Alaska's southern Beaufort Sea during 1989-2012. The measured blood analytes include: blood urea nitrogen, creatinine, glucose, total protein, hemoglobin, red blood cell count, packed cell volume, and hemoglobin A1c...
Diet Data from Fecal DNA Metabarcoding and Video Camera Collars from the Porcupine Caribou Herd, Alaska and Yukon Diet Data from Fecal DNA Metabarcoding and Video Camera Collars from the Porcupine Caribou Herd, Alaska and Yukon
These diet data were collected from the Porcupine caribou herd in northern Alaska and Yukon in summer 2021 during 4 periods: calving (occasion 1), post-calving (occasion 2), mosquito harassment (occasion 3), and mid-summer (occasion 4). Diet data was determined by two distinct techniques: DNA metabarcoding data from fecal pellets and video data from camera collars deployed on adult...
Data on Exposure of Wild Mammals Inhabiting Alaska to H5N1 Influenza A Viruses Data on Exposure of Wild Mammals Inhabiting Alaska to H5N1 Influenza A Viruses
This data set describes serological data collected from mammals in Alaska and seropositivity to influenza A, clade 2.3.4.4b H5 highly pathogenic avian influenza (HPAI), North American lineage H5 low pathogenic avian influenza (LPAI), and N1 antigens.
Pathogen Exposure Data for Chukchi Sea Polar Bears 1988-1994 and 2008-2017 Pathogen Exposure Data for Chukchi Sea Polar Bears 1988-1994 and 2008-2017
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 and tests of fecal samples for presence of parasites. Serologic assays were conducted for Toxoplasma gondii, Neospora caninum, Francisella tularensis, Coxiella burnetii, Leptospira spp., Brucella canis, Brucella abortus...
Data for Genomic Characterization of Highly Pathogenic H5 Avian Influenza Viruses from Alaska in 2022 Data for Genomic Characterization of Highly Pathogenic H5 Avian Influenza Viruses from Alaska in 2022
This data set describes genomic sequence information from 2022 used to infer spatiotemporal trends pertaining to the introductions of highly pathogenic H5N1 avian influenza viruses into Alaska and spread among wild birds, backyard poultry, and mammals.
Data Associated with a Multi-Stage Captive Trial Assessing the Effects of Saxitoxin Ingestion by Common Murres (Uria aalge) Data Associated with a Multi-Stage Captive Trial Assessing the Effects of Saxitoxin Ingestion by Common Murres (Uria aalge)
This data set is comprised of results associated with a multi-stage experimental study to determine the effects of paralytic shellfish toxin ingestion by Common Murres (Uria aalge) conducted in 2021-2022. Data is comprised of eight spreadsheets covering each phase of the study including specific bird dosing data, behavioral observation data, foraging trial data, and tissue testing...
Environmental Health and eDNA
Environmental Health and eDNA
Habitat and Landscape Change
Habitat and Landscape Change
Filter Total Items: 38
Low-Altitude Photographic Transects of the Arctic Network of National Park Units and Selawik National Wildlife Refuge, Alaska, July 2013 Low-Altitude Photographic Transects of the Arctic Network of National Park Units and Selawik National Wildlife Refuge, Alaska, July 2013
This data release includes 5 child items with photos and videos taken during low altitude photo survey transects in northwest Alaska, July 2013. Three flight transects were conducted from small aircraft over the National Park Service's Arctic Network (ARCN; Bering Land Bridge National Preserve, Cape Krusenstern National Monument, Gates of the Arctic National Park and Preserve, Kobuk...
Avian Habitat Data; Seward Peninsula, Alaska, 2012 Avian Habitat Data; Seward Peninsula, Alaska, 2012
This data package contains two tables with habitat measurements from each sampling point used in avian point-transect surveys on the Seward Peninsula in 2012 and the locations of those sites. Measurements include percent cover and canopy height of alder (Alnus spp.), dwarf birch (Betula spp.), ericaceous shrubs (e.g., Empetrum, Vaccinium spp.), herbaceous, lichen (e.g., Cladonia spp.)...
Soil and Vegetation Data from Lake-Margin Wetlands in the Yukon Flats National Wildlife Refuge Soil and Vegetation Data from Lake-Margin Wetlands in the Yukon Flats National Wildlife Refuge
This data release includes six child items of soil and vegetation data from lake margin soils of the Yukon Flats National Wildlife Refuge, Alaska. Data includes multiple lakes that are defined as either stable or drying. Lake margin vegetation communities include graminoid, shrub, and forest. Sols are separated into organic and mineral layers. Microbial data includes different...
Sampling Data for Eelgrass (Zostera marina) in Norma Bay, Izembek Lagoon, Alaska, 1987 Sampling Data for Eelgrass (Zostera marina) in Norma Bay, Izembek Lagoon, Alaska, 1987
These data are related to surveys of eelgrass beds in Norma Bay, Izembek Lagoon, Alaska. The table provides eelgrass shoot lengths and density measurements from sampling in September 1987.
Aerial Images of Alaska's Arctic Coastal Plain, 1974-1979 Aerial Images of Alaska's Arctic Coastal Plain, 1974-1979
This dataset is comprised of 11 geo-referenced aerial images of two study areas (Teshekpuk Lake Special Area and the Chipp River) in the National Petroleum Reserve - Alaska (NPRA) on Alaska's Arctic Coastal Plain. The images are from aerial photo survey flown by NASA in 1974, 1977, 1979 and obtained from the Earth Resources Observation and Science (EROS) Center using the USGS...
Aerial Image of Alaska's Arctic Coastal Plain, 1955 Aerial Image of Alaska's Arctic Coastal Plain, 1955
This dataset is comprised of one geo-referenced aerial image from the National Petroleum Reserve - Alaska (NPRA) on Alaska's Arctic Coastal Plain taken on 21 June 1955 by the U.S. Air Force and obtained from the Earth Resources Observation and Science (EROS) Center using the USGS EarthExplorer website in 2013. The image represents a historical snapshot of the landscape from that time.
Aerial Images of Alaska's Arctic Coastal Plain, 1948-1949 Aerial Images of Alaska's Arctic Coastal Plain, 1948-1949
This dataset is comprised of 35 geo-referenced aerial images of four study areas (Teshekpuk Lake Special Area, Chipp River, Colville River Delta, and Dalton Highway Corridor) on Alaska's Arctic Coastal Plain. The images are from aerial photo surveys flown in 1948-1949 and obtained from the Earth Resources Observation and Science (EROS) Center using the USGS EarthExplorer website. The...
Intertidal Temperature Data from Kachemak Bay, Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park Intertidal Temperature Data from Kachemak Bay, Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park
These data are part of the Gulf Watch Alaska (GWA) long-term monitoring program. This dataset consists of date, time, and temperature measurements from intertidal rocky sampling sites, including predicted tide height at the time of the reading, which is used to distinguish air from water temperature readings. The data are provided as comma separated values (.csv) files derived from data...
Mapping Data of Eelgrass (Zostera marina) Distribution, Alaska and Baja California, Mexico Mapping Data of Eelgrass (Zostera marina) Distribution, Alaska and Baja California, Mexico
This data release includes 4 child items with geospatial datasets that characterize the distribution of eelgrass (Zostera marina) and seaweeds in waters of southwestern Alaska and Baja California, Mexico. Child Item 1: "Mapping Data of Eelgrass (Zostera marina) Distribution, Alaska Peninsula and Nunivak Island" Child Item 2: "Mapping Data of Eelgrass (Zostera marina) Distribution, Togiak...
Point Sampling Data for Eelgrass (Zostera marina) and Widgeongrass (Ruppia marina) Abundance in Embayments of the North Pacific Coast of Baja California, Mexico Point Sampling Data for Eelgrass (Zostera marina) and Widgeongrass (Ruppia marina) Abundance in Embayments of the North Pacific Coast of Baja California, Mexico
These data are in seven tables relating to surveys of eelgrass (Zostera marina) and widgeongrass (Ruppia maritima) beds in embayments of the north Pacific coast of Baja California, Mexico. The tables provide environmental conditions, eelgrass and widgeongrass abundance, and measurements used to estimate their aboveground biomass. These tables also provide information on percent cover...
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: 80
Emperor Goose (Anser canagicus) Nest Visit, Fate, and Dispersal Distances from the Yukon-Kuskokwim Delta, Alaska, 2000-2017 Emperor Goose (Anser canagicus) Nest Visit, Fate, and Dispersal Distances from the Yukon-Kuskokwim Delta, Alaska, 2000-2017
These data are in two tables: 1) table relating to emperor goose nest visit, nest fate, and nest dispersal distances on the Yukon-Kuskokwim Delta in Alaska, 2000-2017; 2) table with means and standard deviations for posterior distributions of predicted nest-age and year specific daily nest survival probabilities for emperor geese derived from estimates reported by Thompson et al. (2023)...
Aerial Surveys of Rock Sandpiper During Winter in upper Cook Inlet, Alaska, 1997-2012 Aerial Surveys of Rock Sandpiper During Winter in upper Cook Inlet, Alaska, 1997-2012
This data release consists of one table of multi-year observations of Rock Sandpipers (Calidris ptilocnemis) and aerial photographs of Rock Sandpiper flocks at sites in upper Cook Inlet, Alaska, 1997-2014.
Nesting Period Data for Black Brant (Branta bernicla nigricans) in Alaska Nesting Period Data for Black Brant (Branta bernicla nigricans) in Alaska
This data package contains one table with nest initiation and end dates and clutch sizes from Black Brant (Branta bernicla nigricans) at two breeding colonies in Alaska. Data include nesting period determined by either nest visits or light-level data recorded by geolocators attached tarsal bands.
Tracking Data for Black Brant (Branta bernicla nigricans) Tracking Data for Black Brant (Branta bernicla nigricans)
This data release includes 1 child item with tracking data for Black Brant, a goose species that breeds in coastal areas of Alaska, northwestern Canada, and northeastern Russia and winters along coastal areas of North America from western Alaska to Mexico. Child Item 1: "Light-Level Geolocator Tracking Data for Black Brant (Branta bernicla nigricans)" -- Tracking data collected from...
Alaska Landbird Monitoring Survey Dataset Alaska Landbird Monitoring Survey Dataset
Boreal Partners in Flight developed the Alaska Landbird Monitoring Survey (ALMS) primarily to monitor breeding populations of landbirds in the vast off-road areas of Alaska in conjunction with data collected from the roadside North American Breeding Bird Survey (BBS). ALMS is a collaborative program in which agencies and other entities conduct standardized surveys of breeding birds and...
U.S. Fish and Wildlife Service Argos GPS Satellite Tracking Data for Lesser Yellowlegs (Tringa flavipes) U.S. Fish and Wildlife Service Argos GPS Satellite Tracking Data for Lesser Yellowlegs (Tringa flavipes)
This data package contains location data collected by the Argos System (CLS America, Inc.) from satellite transmitters attached to 116 Lesser Yellowlegs captured at multiple sites across their breeding and nonbreeding range in North America, 2018-2021. The raw data were processed to accomplish two goals: 1) flag implausible location and 2) remove locations within Joint Base Elmendorf...
GPS Tracking Data for Caribou (Rangifer tarandus granti) from the Fortymile Herd, Alaska, 1998-1999 GPS Tracking Data for Caribou (Rangifer tarandus granti) from the Fortymile Herd, Alaska, 1998-1999
These data were part of a pilot tracking study of three adult female caribou from the Fortymile Herd in Alaska. The dataset is comprised of two comma separated values (.csv) files. Data includes: 1) processed (i.e., erroneous locations removed) GPS locations for caribou, received once per hour for 6 months (October 1998 to April 1999), and 2) spatial, temporal, and biological attributes...
Tracking Data for Long-billed Curlews (Numenius americanus) Tracking Data for Long-billed Curlews (Numenius americanus)
This data release includes 2 child items with tracking data for Long-billed Curlews, a shorebird species that nests in deserts and grasslands of central and western North America and spends the nonbreeding season in agriculture fields and pastures or along coastlines in California, Texas, and Mexico. Child Item 1: "Argos Satellite Tracking Data for Long-billed Curlews (Numenius...
Movement Data for Migrating Geese Over the Northeast Pacific Ocean, 2018-2021 Movement Data for Migrating Geese Over the Northeast Pacific Ocean, 2018-2021
This dataset consists of one table with a record (row) for each goose location and columns containing location information and covariates. The dataset was used in an analysis of altitude selection and flight propensity in an accompanying paper (Weiser et al. 2024) and is being provided here to allow replication of that analysis. Goose locations (latitude, longitude, and altitude) were...
Data from the Inventory of Montane-nesting Birds in the Arctic Network of National Parks, Alaska Data from the Inventory of Montane-nesting Birds in the Arctic Network of National Parks, Alaska
This package contains information collected during avian and habitat survey data at five national parks/monuments: Cape Krusenstern National Monument, Gates of the Arctic National Park and Preserve, Kobuk Valley National Park, Noatak National Preserve, and Bering Land Bridge National Preserve. The objectives of the surveys were to document the occurrence of 90 percent of the bird species...
Aquatic Ecosystems
Aquatic Ecosystems
Filter Total Items: 145
Fish Nutritional Quality, Biomarkers, Communities, and Environmental Data from the Nearshore Beaufort Sea, Alaska, 2021-2023 Fish Nutritional Quality, Biomarkers, Communities, and Environmental Data from the Nearshore Beaufort Sea, Alaska, 2021-2023
This data release contains information derived from fishing efforts and sampled fish from the nearshore Beaufort Sea, Alaska, 2021-2023, as part of a study investigating red-throated loon productivity and diet. The datasets include six tables comprising 1) catch per unit effort (CPUE) data, 2) field-measured lengths of fish (mm), 3) the energy density (kJ/g) and whole-body energy (kJ) of...
Walrus Haulout Aerial Survey Data Near Point Lay, Alaska Walrus Haulout Aerial Survey Data Near Point Lay, Alaska
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 Pt. Lay, Alaska, during the autumn 2024 and 2025. The data include georeferenced optical three band (red, green, blue) aerial images and orthoimages derived from those aerial images through the standardized structure from...
Data on the Deterioration of Different Types of Attachment Hardware on Sham Satellite Radio Collars Data on the Deterioration of Different Types of Attachment Hardware on Sham Satellite Radio Collars
Polar bears (Ursus maritimus) are difficult to study because of logistical challenges. Satellite radio collars are an excellent tool for efficiently collecting information on the distribution and habitat use of polar bears because they can be deployed for multiple years. Radio collars can be constructed using materials and devices that result in the collar falling off an animal so that...
Physical and Imagery-Based Morphological Measures of Pacific Walruses in Human Care Physical and Imagery-Based Morphological Measures of Pacific Walruses in Human Care
This dataset contains morphological measures of 21 Pacific walruses in human care in the United States, Belgium, and Germany measured directly and via an aerially mounted camera in 2022 and 2023. Six individuals were measured twice: once at their typical annual lowest body mass and once at their typical annual maximum body mass. The remaining 15 individuals were measured on one occasion...
Data from the Capture and Collection of Non Die-off Seabirds Across Alaska Data from the Capture and Collection of Non Die-off Seabirds Across Alaska
This data package contains one table with morphometric and diet information for "non-die-off" seabirds captured and collected in southcentral and southwest Alaska. Data pertains to birds captured (live) or collected (lethally) including, bird identification numbers, sampling dates, geographic locations, body measurements, diets (from either stomach contents or regurgitated prey), and sex...
Sea Otter Aerial Survey Data from lower Cook Inlet and the outer Kenai Penisula, Alaska, 2002 Sea Otter Aerial Survey Data from lower Cook Inlet and the outer Kenai Penisula, Alaska, 2002
This dataset consists of three tables related to abundance and distribution of northern sea otters (Enhydra lutris kenyoni) in lower Cook Inlet and the outer Kenai Peninsula, Alaska, based on data collected during a series of aerial surveys from May-Aug 2002. The dataset consists of: (1) sea otter counts along strip transects, (2) sea otter counts in Intensive Search Unit (ISU) within...
Sea Otter Aerial Survey Data from Western Prince William Sound, Alaska, 2022 Sea Otter Aerial Survey Data from Western Prince William Sound, Alaska, 2022
This dataset consists of three tables related to abundance and distribution of northern sea otters (Enhydra lutris kenyoni) in western Prince William Sound, Alaska, based on data collected during a series of population-wide aerial surveys in June 2022. The dataset consists of: (1) sea otter counts along strip transects, (2) sea otter counts in Intensive Search Unit (ISU) within the...
Black Oystercatcher Morphology and Primary Feather Lengths in Alaska and British Columbia, 2019-2022 Black Oystercatcher Morphology and Primary Feather Lengths in Alaska and British Columbia, 2019-2022
These data provide morphological measurements and primary feather length measurements of Black Oystercatcher (Haematopus bachmani) captured at several sites across Alaska and British Columbia between 2019 and 2022. The first table contains mass and morphological measurements of body and bill size. The second table provides lengths of individual primary feathers measured from folded wing
Glacier Bay National Park and Preserve Sea Otter Forage Data, 1993-2019 Glacier Bay National Park and Preserve Sea Otter Forage Data, 1993-2019
These data describe observations of sea otter foraging behavior in Glacier Bay National Park and Preserve. Data consist of dive and surface times, success in prey retrieval, prey item, prey quantity, and size. Additionally, location of observations, and age class, sex, and pup status of the focal sea otter were also recorded.
Alaska Forage Fish Database (AFFD) Alaska Forage Fish Database (AFFD)
The Alaska Forage Fish Database (AFFD) is a consolidation of survey data from multiple agencies that were sampled via fishing gear and predator diets. The spatial coverage includes the Gulf of Alaska, Bering Sea, Aleutian Islands, Chukchi Sea, and Beaufort Sea. Fish species within the database include Pacific sand lance, Pacific capelin, Pacific herring, juvenile walleye pollock and...
Wildlife Health and Genetics
Wildlife Health and Genetics
Filter Total Items: 109
Data for Investigation of Egg Mortality in a Louisiana Population of Endangered Whooping Cranes Data for Investigation of Egg Mortality in a Louisiana Population of Endangered Whooping Cranes
This data set describes the genomic bacterial analysis of swabs and tissues collected from whooping cranes in Louisiana. The data includes targeted analysis from quantitative PCR for bacterial pathogens.
Genetic Data Used to Develop a Genotyping-in-Thousands by Sequencing (GT-seq) Panel for Identifying Individuals and Estimating Relatedness in Alaska Black Bears (Ursus americanus) Genetic Data Used to Develop a Genotyping-in-Thousands by Sequencing (GT-seq) Panel for Identifying Individuals and Estimating Relatedness in Alaska Black Bears (Ursus americanus)
This data package includes genotype data for two independent sets of American black bear (Ursus americanus) samples. The first set of samples was collected from 85 adult bears harvested by permitted hunters in southcentral Alaska from 1994-2019; we hereafter refer to these as "hunter-harvested" samples. These hunter-harvested samples were genotyped with restriction site-associated...
Polar Bear (Ursus maritimus) Genetic Data from the Chukchi Sea Polar Bear (Ursus maritimus) Genetic Data from the Chukchi Sea
This data set provides polar bear (Ursus maritimus) microsatellite genotypes derived from 21 loci (CPH9, CXX20, CXX110, CXX173, G1A, G10B, G10C, G1D, G10H, G10J, G10L, G10M, G10P, G10U, G10X, Mu26, Mu50, Mu51, Mu59, MSUT-2, REN145P07). Blood serum and hair samples for microsatellite genetic analysis were collected from polar bears from the Chukchi Sea between 1986 and 2019. Serum samples...
Heat Shock Protein 70 Abundance in Pacific Salmon Heat Shock Protein 70 Abundance in Pacific Salmon
This data release contains one table with heat shock protein 70 (HSP70) abundance measurements of Pacific salmon (Oncorhynchus spp.) muscle samples, collected from fish occupying freshwater in various Alaskan watersheds. Water temperatures associated with a sampled fish are also included in the dataset, when available.
Southern Beaufort Sea Polar Bear Hemoglobin A1c Data Southern Beaufort Sea Polar Bear Hemoglobin A1c Data
This dataset is one table with demographic, morphometric, and blood analyte measurements from whole blood and serum samples taken from a subset of polar bears sampled in Alaska's southern Beaufort Sea during 1989-2012. The measured blood analytes include: blood urea nitrogen, creatinine, glucose, total protein, hemoglobin, red blood cell count, packed cell volume, and hemoglobin A1c...
Diet Data from Fecal DNA Metabarcoding and Video Camera Collars from the Porcupine Caribou Herd, Alaska and Yukon Diet Data from Fecal DNA Metabarcoding and Video Camera Collars from the Porcupine Caribou Herd, Alaska and Yukon
These diet data were collected from the Porcupine caribou herd in northern Alaska and Yukon in summer 2021 during 4 periods: calving (occasion 1), post-calving (occasion 2), mosquito harassment (occasion 3), and mid-summer (occasion 4). Diet data was determined by two distinct techniques: DNA metabarcoding data from fecal pellets and video data from camera collars deployed on adult...
Data on Exposure of Wild Mammals Inhabiting Alaska to H5N1 Influenza A Viruses Data on Exposure of Wild Mammals Inhabiting Alaska to H5N1 Influenza A Viruses
This data set describes serological data collected from mammals in Alaska and seropositivity to influenza A, clade 2.3.4.4b H5 highly pathogenic avian influenza (HPAI), North American lineage H5 low pathogenic avian influenza (LPAI), and N1 antigens.
Pathogen Exposure Data for Chukchi Sea Polar Bears 1988-1994 and 2008-2017 Pathogen Exposure Data for Chukchi Sea Polar Bears 1988-1994 and 2008-2017
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 and tests of fecal samples for presence of parasites. Serologic assays were conducted for Toxoplasma gondii, Neospora caninum, Francisella tularensis, Coxiella burnetii, Leptospira spp., Brucella canis, Brucella abortus...
Data for Genomic Characterization of Highly Pathogenic H5 Avian Influenza Viruses from Alaska in 2022 Data for Genomic Characterization of Highly Pathogenic H5 Avian Influenza Viruses from Alaska in 2022
This data set describes genomic sequence information from 2022 used to infer spatiotemporal trends pertaining to the introductions of highly pathogenic H5N1 avian influenza viruses into Alaska and spread among wild birds, backyard poultry, and mammals.
Data Associated with a Multi-Stage Captive Trial Assessing the Effects of Saxitoxin Ingestion by Common Murres (Uria aalge) Data Associated with a Multi-Stage Captive Trial Assessing the Effects of Saxitoxin Ingestion by Common Murres (Uria aalge)
This data set is comprised of results associated with a multi-stage experimental study to determine the effects of paralytic shellfish toxin ingestion by Common Murres (Uria aalge) conducted in 2021-2022. Data is comprised of eight spreadsheets covering each phase of the study including specific bird dosing data, behavioral observation data, foraging trial data, and tissue testing...
Environmental Health and eDNA
Environmental Health and eDNA
Habitat and Landscape Change
Habitat and Landscape Change
Filter Total Items: 38
Low-Altitude Photographic Transects of the Arctic Network of National Park Units and Selawik National Wildlife Refuge, Alaska, July 2013 Low-Altitude Photographic Transects of the Arctic Network of National Park Units and Selawik National Wildlife Refuge, Alaska, July 2013
This data release includes 5 child items with photos and videos taken during low altitude photo survey transects in northwest Alaska, July 2013. Three flight transects were conducted from small aircraft over the National Park Service's Arctic Network (ARCN; Bering Land Bridge National Preserve, Cape Krusenstern National Monument, Gates of the Arctic National Park and Preserve, Kobuk...
Avian Habitat Data; Seward Peninsula, Alaska, 2012 Avian Habitat Data; Seward Peninsula, Alaska, 2012
This data package contains two tables with habitat measurements from each sampling point used in avian point-transect surveys on the Seward Peninsula in 2012 and the locations of those sites. Measurements include percent cover and canopy height of alder (Alnus spp.), dwarf birch (Betula spp.), ericaceous shrubs (e.g., Empetrum, Vaccinium spp.), herbaceous, lichen (e.g., Cladonia spp.)...
Soil and Vegetation Data from Lake-Margin Wetlands in the Yukon Flats National Wildlife Refuge Soil and Vegetation Data from Lake-Margin Wetlands in the Yukon Flats National Wildlife Refuge
This data release includes six child items of soil and vegetation data from lake margin soils of the Yukon Flats National Wildlife Refuge, Alaska. Data includes multiple lakes that are defined as either stable or drying. Lake margin vegetation communities include graminoid, shrub, and forest. Sols are separated into organic and mineral layers. Microbial data includes different...
Sampling Data for Eelgrass (Zostera marina) in Norma Bay, Izembek Lagoon, Alaska, 1987 Sampling Data for Eelgrass (Zostera marina) in Norma Bay, Izembek Lagoon, Alaska, 1987
These data are related to surveys of eelgrass beds in Norma Bay, Izembek Lagoon, Alaska. The table provides eelgrass shoot lengths and density measurements from sampling in September 1987.
Aerial Images of Alaska's Arctic Coastal Plain, 1974-1979 Aerial Images of Alaska's Arctic Coastal Plain, 1974-1979
This dataset is comprised of 11 geo-referenced aerial images of two study areas (Teshekpuk Lake Special Area and the Chipp River) in the National Petroleum Reserve - Alaska (NPRA) on Alaska's Arctic Coastal Plain. The images are from aerial photo survey flown by NASA in 1974, 1977, 1979 and obtained from the Earth Resources Observation and Science (EROS) Center using the USGS...
Aerial Image of Alaska's Arctic Coastal Plain, 1955 Aerial Image of Alaska's Arctic Coastal Plain, 1955
This dataset is comprised of one geo-referenced aerial image from the National Petroleum Reserve - Alaska (NPRA) on Alaska's Arctic Coastal Plain taken on 21 June 1955 by the U.S. Air Force and obtained from the Earth Resources Observation and Science (EROS) Center using the USGS EarthExplorer website in 2013. The image represents a historical snapshot of the landscape from that time.
Aerial Images of Alaska's Arctic Coastal Plain, 1948-1949 Aerial Images of Alaska's Arctic Coastal Plain, 1948-1949
This dataset is comprised of 35 geo-referenced aerial images of four study areas (Teshekpuk Lake Special Area, Chipp River, Colville River Delta, and Dalton Highway Corridor) on Alaska's Arctic Coastal Plain. The images are from aerial photo surveys flown in 1948-1949 and obtained from the Earth Resources Observation and Science (EROS) Center using the USGS EarthExplorer website. The...
Intertidal Temperature Data from Kachemak Bay, Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park Intertidal Temperature Data from Kachemak Bay, Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park
These data are part of the Gulf Watch Alaska (GWA) long-term monitoring program. This dataset consists of date, time, and temperature measurements from intertidal rocky sampling sites, including predicted tide height at the time of the reading, which is used to distinguish air from water temperature readings. The data are provided as comma separated values (.csv) files derived from data...
Mapping Data of Eelgrass (Zostera marina) Distribution, Alaska and Baja California, Mexico Mapping Data of Eelgrass (Zostera marina) Distribution, Alaska and Baja California, Mexico
This data release includes 4 child items with geospatial datasets that characterize the distribution of eelgrass (Zostera marina) and seaweeds in waters of southwestern Alaska and Baja California, Mexico. Child Item 1: "Mapping Data of Eelgrass (Zostera marina) Distribution, Alaska Peninsula and Nunivak Island" Child Item 2: "Mapping Data of Eelgrass (Zostera marina) Distribution, Togiak...
Point Sampling Data for Eelgrass (Zostera marina) and Widgeongrass (Ruppia marina) Abundance in Embayments of the North Pacific Coast of Baja California, Mexico Point Sampling Data for Eelgrass (Zostera marina) and Widgeongrass (Ruppia marina) Abundance in Embayments of the North Pacific Coast of Baja California, Mexico
These data are in seven tables relating to surveys of eelgrass (Zostera marina) and widgeongrass (Ruppia maritima) beds in embayments of the north Pacific coast of Baja California, Mexico. The tables provide environmental conditions, eelgrass and widgeongrass abundance, and measurements used to estimate their aboveground biomass. These tables also provide information on percent cover...
Ecosystem Analytics
Ecosystem Analytics