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Data

See below for featured data sets and a list of all data releases from the USGS Alaska Science Center. All USGS released data sets are also listed in the USGS Science Data Catalog.

Filter Total Items: 602

Stable Isotope Data from Diets and Tissues of Captive Bears Fed Experimental Diets Stable Isotope Data from Diets and Tissues of Captive Bears Fed Experimental Diets

This dataset contains stable isotope incorporation and discrimination results for several sets of feeding experiments with captive brown and polar bears. Experiments were designed to determine the effects of dietary lipid content and fasting behavior on discrimination in blood, hair, and fat. Data are divided into three components of the study: one to estimate isotopic discrimination...

Recreation Survey Results in Brown Bear Habitats, 2013 Recreation Survey Results in Brown Bear Habitats, 2013

These data are the results of a modified Delphi survey in which expert opinion was solicited on the occurrence and frequency of recreational activities in brown bear habitats and their potential impacts. Twelve bear experts were surveyed and identified by either 1) their scientific publications on the impacts of one or more human recreational activity on bears, or 2) their experience in...

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...

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...

SUPERSEDED: Raw Ground Penetrating Radar Data, Eureka Glacier, Alaska; 2013 SUPERSEDED: Raw Ground Penetrating Radar Data, Eureka Glacier, Alaska; 2013

No data are available from this page. U.S. Geological Survey ground penetrating radar (GPR) data from select North American glaciers, including the Eureka Glacier, are available in the U.S. Geological Survey data release: https://doi.org/10.5066/F7M043G7

SUPERSEDED: Raw Ground Penetrating Radar Data, Scott Glacier, Alaska; 2013 SUPERSEDED: Raw Ground Penetrating Radar Data, Scott Glacier, Alaska; 2013

No data are available from this page. U.S. Geological Survey ground penetrating radar (GPR) data from select North American glaciers, including the Scott Glacier, are available in the U.S. Geological Survey data release: https://doi.org/10.5066/F7M043G7

SUPERSEDED: Raw Ground Penetrating Radar Data, Eklutna Glacier, Alaska; 2013 SUPERSEDED: Raw Ground Penetrating Radar Data, Eklutna Glacier, Alaska; 2013

No data are available from this page. U.S. Geological Survey ground penetrating radar (GPR) data from select North American glaciers, including the Eklutna Glacier, are available in the U.S. Geological Survey data release: https://doi.org/10.5066/F7M043G7

SUPERSEDED: Raw Ground Penetrating Radar Data, Gulkana Glacier, Alaska; 2013 SUPERSEDED: Raw Ground Penetrating Radar Data, Gulkana Glacier, Alaska; 2013

No data are available from this page. U.S. Geological Survey ground penetrating radar (GPR) data from select North American glaciers, including the Gulkana Glacier, are available in the U.S. Geological Survey data release: https://doi.org/10.5066/F7M043G7

SUPERSEDED: Raw Ground Penetrating Radar Data, Wolverine Glacier, Alaska; 2013 SUPERSEDED: Raw Ground Penetrating Radar Data, Wolverine Glacier, Alaska; 2013

No data are available from this page. U.S. Geological Survey ground penetrating radar (GPR) data from select North American glaciers, including the Wolverine Glacier, are available in the U.S. Geological Survey data release: https://doi.org/10.5066/F7M043G7

SUPERSEDED: Raw Ground Penetrating Radar Data, Valdez Glacier, Alaska; 2013 SUPERSEDED: Raw Ground Penetrating Radar Data, Valdez Glacier, Alaska; 2013

No data are available from this page. U.S. Geological Survey ground penetrating radar (GPR) data from select North American glaciers, including the Valdez Glacier, are available in the U.S. Geological Survey data release: https://doi.org/10.5066/F7M043G7

SUPERSEDED: Raw Ground Penetrating Radar Data, Taku Glacier, Alaska; 2013 SUPERSEDED: Raw Ground Penetrating Radar Data, Taku Glacier, Alaska; 2013

No data are available from this page. U.S. Geological Survey ground penetrating radar (GPR) data from select North American glaciers, including the Taku Glacier, are available in the U.S. Geological Survey data release: https://doi.org/10.5066/F7M043G7

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
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