Filters: Tags: {"scheme":"USGS Metadata Identifier"} (X) > partyWithName: Flint, Paul L. (ORCID: 0000-0002-8758-6993) (X)

Filters Date Range Past year (2) Past month (0) Past week (0) Past day (0) Custom range... To   Search Contacts U.S. Geological Survey, Alaska Science Center Fischer, Julian B. Marks, Dennis K. Petersen, Margaret R. (ORCID: 0000-0001-6082-3189) Shults, Brad S. More... Tag Types Theme (2) Tags (with Scheme=USGS Metadata Identifier) usgs:asc449 (1) usgs:asc54 (1) View Results as: JSON ATOM CSV

Aerial Photo Imagery from Fall Waterfowl Surveys, Izembek Lagoon, Alaska, 2017-2019 The imagery and annotations presented here were generated while testing an aerial photographic survey design to improve repeatability, transparency, and estimation of variance for annual population estimates of geese staging at Izembek Lagoon, Alaska. This dataset includes 1) 131,031 .JPG images captured from a small fixed-wing occupied aircraft, usually at an altitude of about 457 m, over Izembek Lagoon; 2) annotations of objects (geese, ducks, and gulls) assigned by an automated algorithm, and 3) manually corrected annotations that were edited by project staff for only those photos automatically identified as containing geese of any species. The photos were captured at predetermined points to systematically sample... Tags: Aerial photography, Aerial surveys, Alaska, Alaska Peninsula, Animals/Vertebrates, All tags... Anser canagicus, Aquatic ecosystems, Biota, Birds, Branta bernicla, Branta hutchinsii, Coastal ecosystems, Ducks/Geese/Swans, Environment, Estuarine habitat, Image collections, Izembek Lagoon, Izembek National Wildlife Refuge, Migratory birds, Migratory species, Photography, Population dynamics, Relative abundance analysis, Tundra ecosystems, USGS:ASC449, Waders/Gulls/Auks and Allies, Waterfowl, Wetland ecosystems, Wildlife, Fewer tags Waterfowl Lead Exposure Data in Alaska and Russia This dataset identifies lead (Pb) concentration found in the blood of waterfowl sampled in western and northern Alaska and eastern Russia between 1993 and 2022. Data include age, sex, body measurement, capture location, presence or absence of lead shot on x-rays, and blood lead levels. Because the study took place over a number of years at the same study sites, many of the same birds were sampled in multiple years. Tags: Alaska, Animals/Vertebrates, Aythya marila, Biota, Birds, All tags... Clangula hyemalis, Coastal ecosystems, Colville River Delta, Common eider, Ducks/Geese/Swans, Environment, Environmental Conditions, Freshwater ecosystems, Greater scaup, Indigirka River, Kashunuk River, King eider, Lead, Long-tailed duck, Polysticta stelleri, Population Dynamics, Prudhoe Bay, Russia, Somateria fischeri, Somateria mollissima, Somateria spectabilis, Species Life History, Spectacled eider, Steller's eider, USGS:ASC54, Wetland ecosystems, Yukon Delta, Yukon Delta National Wildlife Refuge, Fewer tags