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Filters Date Range Past year (2) Past month (2) Past week (0) Past day (0) Custom range... To   Search Contacts U.S. Geological Survey, Alaska Science Center Forest and Rangeland Ecosystem Science Center U.S. Geological Survey - ScienceBase Arimitsu, Mayumi L. (ORCID: 0000-0001-6982-2238) Ecosystems More... Tag Types Theme (5) Place (5) USGS Scientific Topic Keyword (2) Harvest Set (2) Tag Schemes None (4) USGS Thesaurus (5) NASA GCMD Earth Science Keyword Thesaurus (2) USGS CSA Biocomplexity Thesaurus (2) USGS Geographic Names Information System (GNIS) (2) ISO 19115 Topic Category (4) Common geographic areas (1) More... View Results as: JSON ATOM CSV

Lead (Pb) in Bald and Golden Eagles from 38 United States, USA, 2010-2018 We evaluated lead poisoning in bald and golden eagles during all seasons of the year and from states in each of the four major flyways throughout the continental USA. Categories: Data; Tags: Acute poisoning, Bald eagle, Chronic poisoning, Demographic impacts, Ecology, All tags... Environmental Health, Golden eagle, Lead poisoning, USGS Science Data Catalog (SDC), United States, Wildlife Biology, biota, ecotoxicology, environment, migratory species, wildlife biology, Fewer tags Biological and Hydrological Data from the Skagit River Ecosystem, Washington, USA 1968-2016 Climate change influences apex predators in complex ways, due to their important trophic position, capacity for resource plasticity, and sensitivity to numerous anthropogenic stressors. Bald eagles, an ecologically and culturally significant apex predator, congregate seasonally in high densities on salmon spawning rivers across the Pacific Northwest. One of the largest eagle concentrations is in the Skagit River watershed, which connects the montane wilderness of North Cascades National Park to the Puget Sound. Using multiple long-term datasets, we evaluated the relationship between local bald eagle abundance, chum and coho salmon availability and phenology, and the number and timing of flood events in the Skagit... Categories: Data; Tags: North Cascades National Park, Skagit River, bald eagle, climate change, flood, All tags... hydroelectric, phenology, salmon, trophic interaction, Fewer tags Common Murre Disturbance Data on Gull Island, Kachemak Bay, Alaska This dataset consists of one table with predator disturbance information from the Common Murre breeding season (June-August) from 2016-2020 on Gull Island, Kachemak Bay, Alaska. Categories: Data; Tags: Alaska, Animal behavior, Animals/Vertebrates, Bald Eagle, Biota, All tags... Birds, Breeding sites, Breeding success, Coastal ecosystems, Common Murre, Community dynamics, Community ecology, Cook Inlet, Eagles/Falcons/Hawks and Allies, Ecosystem functions, Egg production, Environment, Field inventory and monitoring, Glaucous-winged Gull, Gulf of Alaska, Gull Island, Haliaeetus leucocephalus, Herring Gull, Kachemak Bay, Larus argentatus, Larus glaucescens, Marine ecosystems, Nesting behavior, Reproduction, USGS:ASC586, Uria aalge, Waders/Gulls/Auks and Allies, Fewer tags Effects of rotenone on nesting Ospreys (Pandion haliaetus) at Hyatt and Howard Prairie Reservoirs, OR, 1988-1992 To assess the effects of rotenone (fish toxicant) treatment and possible fish removal effects on nesting Osprey (Pandion haliaetus) populations, nests were observed at two reservoirs east of Ashland, Oregon. Hyatt Reservoir was treated with rotenone on October 12, 1989. Howard Prairie was observed as an untreated reference area. Nests at both reservoirs were observed two years pre-treatment (1988, 1989) and two years post-treatment (1990, 1992). The dataset contains Osprey reproductive parameters, foraging parameters, prey delivery rates and bald eagle piracy rates at eight intensively observed nests. Fish stocking records and creel data were obtained from the Oregon Department of Fish & Wildlife for both reservoirs... Categories: Data; Tags: Ameiurus nebulosus, Ecology, Environmental Health, Haliaeetus leucocephalus, Howard Prairie Reservoir, All tags... Hyatt Reservoir, Jackson, Micropterus salmoides, Oncorhynchus mykiss, Oregon, Pandion haliaetus, USGS Science Data Catalog (SDC), Water Quality, Wildlife Biology, bald eagle, biota, birds, brood reduction, brown bullhead, fish, largemouth bass, nesting population, osprey, prey delivery rates, prey loss, rainbow trout, reproduction, rotenone, spring steelhead, wildlife biology, winter steelhead, Fewer tags Predation of Common Murre Eggs at Two Seabird Colonies in Lower Cook Inlet, Alaska This dataset consists of one table with egg predation data from Common Murres at two seabird nesting colonies on Gull and Chisik Islands in lower Cook Inlet, Alaska. Categories: Data; Tags: Alaska, Animals/Vertebrates, Bald Eagle, Biota, Birds, All tags... Breeding sites, Coastal ecosystems, Common Murres, Cook Inlet, Egg production, Environment, Glaucous-winged Gull, Gulf of Alaska, Haliaeetus leucocephalus, Herring Gull, Indicator species, Kachemak Bay, Larus argentatus, Larus glaucescens, Marine ecosystems, Nesting behavior, Nesting success, Population dynamics, Reproductive success, Uria aalge, Use/Feeding habitat, Waders/Gulls/Auks and Allies, Wildlife, Fewer tags