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These data are estimates of den emergence date, den site departure dates, and duration at den sites as well as post-emergence observations for female polar bears sampled in the southern Beaufort Sea subpopulation 1985-2016 and the Chukchi Sea subpopulation 2008-2017. The data were used to better understand the importance of time spent at the den site post-emergence. Emergence dates and departure dates were determined using collar temperature sensor data.
Tags: Alaska,
Animals/Vertebrates,
Bears,
Beaufort Sea,
Behavior, All tags...
Biota,
Carnivores,
Chukchi Sea,
Coastal ecosystems,
Dens,
Environment,
Mammals,
Marine ecosystems,
Marine mammals,
Phenology,
Polar Bear,
Species life history,
Threatened species,
USGS:ASC591,
Ursus maritimus,
Wildlife, Fewer tags
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These data are estimates of den emergence date, den site departure dates, and duration at den sites as well as post-emergence observations for female polar bears sampled in the southern Beaufort Sea subpopulation 1985-2016 and the Chukchi Sea subpopulation 2008-2017. The data were used to better understand the importance of time spent at the den site post-emergence. Emergence dates and departure dates were determined using collar temperature sensor data.
Tags: Alaska,
Animals/Vertebrates,
Bears,
Beaufort Sea,
Behavior, All tags...
Biota,
Carnivores,
Chukchi Sea,
Coastal ecosystems,
Dens,
Environment,
Mammals,
Marine ecosystems,
Marine mammals,
Phenology,
Polar Bear,
Species life history,
Threatened species,
USGS:ASC591,
Ursus maritimus,
Wildlife, Fewer tags
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These were data collected from polar bears from the southern Beaufort Sea during the spring between 2004 and 2016. Data include individual bear identification, age and sex class, capture date, capture year, open water season lengths, melt season length, and diet composition (expressed as a percentage of prey species). These data were used to determine whether polar bear diets have recently changed or remained stable over time.
Tags: Alaska,
Animals/Vertebrates,
Bears,
Beaufort Sea,
Biota, All tags...
Body composition,
Carnivores,
Coastal ecosystems,
Diets,
Environment,
Health and disease,
Keystone species,
Mammals,
Marine ecosystems,
Marine mammals,
Polar bear,
QFASA,
Quantitative fatty acid signature analysis,
Species life history,
Terrestrial ecosystems,
USGS:ASC556,
Ursus maritimus,
Wildlife,
Wildlife food habits, Fewer tags
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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/suis, and canine distemper virus. Parasitology analyses were conducted for presence of Giardia cysts and Cryptospiridium oocysts in fecal samples. Polar bears were sampled on sea ice in the Chukchi Sea between mid-March and early May 1987-1994 and 2008-2017. The dataset includes relevant information about the bears that were captured...
Categories: Data;
Tags: Age composition,
Alaska,
Animals/Vertebrates,
Bacterial diseases,
Bears, All tags...
Beaufort Sea,
Biota,
Brucella,
Brucella abortus,
Brucella canis,
Carnivores,
Chukchi Sea,
Coastal ecosystems,
Coxiella,
Coxiella burnetii,
Cryptosporidium,
Disease detection,
Environment,
Francisella,
Francisella tularensis,
Giardia,
Health and disease,
Immunology,
Mammals,
Marine ecosystems,
Marine mammals,
Neospora,
Neospora caninum,
Parasitic diseases,
Parasitism,
Pathology,
Polar bear,
Serology,
Toxoplasma,
Toxoplasma gondii,
USGS Science Data Catalog (SDC),
Ursus maritimus,
Viruses,
Wildlife,
Wildlife Biology,
Wildlife Disease,
Wildlife disease, Fewer tags
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This dataset is one table with data collected and derived from polar bears sampled in Alaska's southern Beaufort Sea during 1983-2018. Collected data includes demographic and morphometric information. Derived data includes blood-based analyte values determined from whole blood and serum samples. Serum samples were analyzed on an Abaxis VS2 Biochemistry Analyzer and whole blood samples were analyzed on an Abaxis HM5 Diagnostic Analyzer. VS2 analysis quantified values of 13 biochemistry analytes for the period 1983-2016. Complete blood count (CBC) analyte values were quantified from the HM5 analysis for the period 2005-2018. These data were used to (i) generate reference ranges of serum biochemistry analyte values...
Categories: Data;
Tags: Alaska,
Animals/Vertebrates,
Bears,
Beaufort Sea,
Biota, All tags...
Carnivores,
Coastal ecosystems,
Environment,
Mammals,
Marine ecosystems,
Marine mammals,
Threatened species,
USGS Science Data Catalog (SDC),
Wildlife,
Wildlife Biology, Fewer tags
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