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These data are in two tables relating to fall age ratios (number of juvenile birds : total birds aged) of Black Brant (Branta bernicla nigricans) staging in Izembek Lagoon, Alaska, since 1963. The first table is observation data for the age classes of Black Brant during surveys, and associated survey characteristics. The second table contains model-based estimates of age ratios by year along with Standard Error (SE), and 95% Bayesian credible intervals around estimates. Version History: First release: March 2020 Revised: December 2020 (ver. 2.0) Revised: December 2021 (ver. 3.0) Revised: January 2023 (ver. 4.0) Revised: December 2023 (ver. 5.0)
Categories: Data;
Tags: Alaska,
Animal populations,
Animals/Vertebrates,
Biota,
Birds, All tags...
Black Brant,
Branta bernicla nigricans,
Brent Goose,
Computational methods,
Ecological dynamics,
Environment,
Izembek Lagoon,
Izembek National Wildlife Refuge,
Mathematical modeling,
Migratory birds,
Population dynamics,
Species life history,
Species/population interactions,
USGS Science Data Catalog (SDC),
Waterfowl,
Wildlife Biology,
Wildlife biology, Fewer tags
This data set describes three independent viral introductions of Highly pathogenic H5N1 avian influenza viruses into Alaska.
Categories: Data;
Tags: Alaska,
Animals/Vertebrates,
Avian influenza,
Biota,
Birds, All tags...
Disease detection,
Disease reservoirs,
Disease spread,
Ducks/Geese/Swans,
Environment,
Genetics,
Gulls,
Health,
Health and disease,
Influenza A virus, H5N1 subtype,
Izembek National Wildlife Refuge,
Lagoons,
Lakes/Reservoirs,
Migratory birds,
USGS Science Data Catalog (SDC),
Virus Diseases,
Viruses,
Waders/Gulls/Auks and Allies,
Waterfowl,
Wildlife,
Wildlife Disease,
Wildlife disease, Fewer tags
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.
Categories: Data;
Tags: Alaska,
Animals/Vertebrates,
Avian influenza,
Backyard bird,
Biota, All tags...
Birds,
Disease detection,
Disease reservoirs,
Disease spread,
Ducks/Geese/Swans,
Eagles,
Ecology,
Environment,
Environmental Health,
Genetics,
Gulls,
Health,
Health and disease,
Influenza A virus, H5N1 subtype,
Mammals,
Mammals,
Migratory birds,
Raptors/Eagles,
USGS Science Data Catalog (SDC),
Virus Diseases,
Viruses,
Waders/Gulls/Auks and Allies,
Waterfowl,
Wildlife,
Wildlife Disease,
Wildlife disease, Fewer tags
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