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Interior Alaska eBird Checklists These data are daily summary checklists of all bird species observed at U.S. Geological Survey, Alaska Science Center (ASC) field camps in Interior Alaska. Version History: First release: May 2021 Revised: February 2022 (ver. 2.0) Revised: February 2023 (ver. 3.0) Categories: Data, Data Release - Revised; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service Selected Basin Boundaries for USGS Streamgages in Alaska through 2019 This dataset contains drainage basin boundaries for 253 U.S. Geological Survey (USGS) streamgages in Alaska that had at least 5 years of daily streamflow through September 30, 2017, three of which were delineated for alternate basin conditions. This compilation includes selected boundaries produced in 2014 (https://doi.org/10.5066/P143KNEJ). Additional basin boundaries were delineated from the streamgage location to the nearest USGS Watershed Boundary Dataset (WBD) HUC boundary and along HUC boundaries from that intersection to the basin headwaters. Streamgages selected for drainage basin delineation included streamgages in Alaska that met selection criteria for a statewide study of seasonal flow regimes (Curran... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Alaska, Discharge/flow, Hydrographic datasets, Hydrology, Hydrology, All tags... InlandWaters, Rivers/streams, Terrestrial Hydrosphere, USGS Science Data Catalog (SDC), Water Resources, Fewer tags Western Alaska eBird Checklists These data are daily summary checklists of all bird species observed at U.S. Geological Survey, Alaska Science Center (ASC) field camps in Western Alaska. Version History: First release: May 2021 Revised: February 2022 (ver. 2.0) Revised: February 2023 (ver. 3.0) Categories: Data, Data Release - Revised; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service Marine Ecology near Tufted Puffin Colonies across the Aleutian Archipelago and Alaska Peninsula, 2012-2014 This data package includes 6 child items with data pertaining to Tufted Puffin productivity, chick productivity, oceanographic conditions, environmental conditions, and hydroacoustic characteristics at Tufted Puffin colonies on the Aleutian Islands and Alaska Peninsula. Child Item 1: "Oceanographic Conditions (Temperature and Salinity), North Pacific and Bering Sea 2012-2014". Child Item 2: "Marine Bird and Mammal Surveys, North Pacific and Bering Sea 2012-2014". Child Item 3: "Tufted Puffin Colony Environmental Data, North Pacific and Bering Sea, 2012-2014". Child Item 4: "Hydroacoustic Surveys, North Pacific and Bering Sea, 2012 and 2014". Child Item 5: "Tufted Puffin Chick Body Conditions, North Pacific and... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Acoustic backscatter, Alaska, Alaska Peninsula, Aleutian Islands, Animals/Vertebrates, All tags... Aquatic Biology, Aquatic birds, Bering Sea, Biota, Birds, Coastal ecosystems, Community dynamics, Ecology, Ecosystem functions, Environment, Forage fish, Gulf of Alaska, Hydrology, Marine ecosystems, Nautical area scattering coefficient, North Pacific, Oceans, Pelagic habitat, Population and community ecology, Population dynamics, Salinity, Sensors, Temperature, Tufted Puffin, USGS Science Data Catalog (SDC), Waders/Gulls/Auks and Allies, Water temperature, Wildlife, Wildlife Biology, Fewer tags Child Item 2: Geospatial Sampling Information from the Inventory of Montane-nesting Birds in Aniakchak National Monument and Preserve, Alaska This is a child item of the USGS Data Release: https://doi.org/10.5066/P9KW50B3 This data package contains geospatial layers used for selecting bird survey locations in Aniakchak National Monument and Preserve. 1)"ANIA_original_sample_sitesAlb83" represents the nine 10-km X 10-km sample plots selected for the Aniakchak bird surveys. 2)"ANIA_sample_location_waypointsAlb83" is a summary of the 136 locations at which Aniakchak bird surveys were conducted. 3)"ANIA_sampled_plotsAlb83" represents the nine 10-km X 10-km sample plots inventoried during the Aniakchak bird surveys. 4)"ANIA_savage_site_checksAlb83" represents unique sites within Aniakchak that were identified for site visits based on expert opinion. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Alaska, Alaska Peninsula, Aleutian Range, Alpine/Tundra, Aniakchak National Monument and Preserve, All tags... Animals/Vertebrates, Avian abundance, Biogeography, Biological Productivity, Biota, Birds, Community Ecology, Community structure, Distribution, Ecology, Environment, Habitat preferences, Habitats, Information Science, Meshik River, Migratory birds, Perching Birds, Seasonal distribution, Species richness, Terrestrial Ecosystems, USGS Science Data Catalog (SDC), Wildlife, Wildlife Biology, Fewer tags Northern Alaska eBird Checklists These data are daily summary checklists of all bird species observed at U.S. Geological Survey, Alaska Science Center (ASC) field camps in Northern Alaska. Version History: First release: May 2021 Revised: February 2022 (ver. 2.0) Revised: February 2023 (ver. 3.0) Categories: Data, Data Release - Revised; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service Bluff Analysis for Potential Peregrine Falcon Nesting Locations within the National Petroleum Reserve – Alaska (NPR-A), 2002-2012 This data set refines potential peregrine falcon nest habitat within the National Petroleum Reserve - Alaska (NPR-A), aids in the interpretation of nest site selection and potential habitat based on the surface geology and geomorphology of the region, determines the key characteristics for the selection of nest sites in known nesting locations relatively to optimal sites in areas without known nesting occurrence, and helps in developing strategies for detecting potential shifts in the distribution of potential nesting habitat. Components of the data development included conducting geospatial analysis using digital elevation models, high-resolution remotely sensed imagery, and geomorphology. This GIS dataset consists... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Alaska, Biota, Birds, Breeding sites, Eagle/Falcons/Hawks and allies, All tags... Ecology, Environment, Fluvial landforms, Geology, Geomorphic Landforms/Processes, Geomorphology, Geomorphology, Hydrology, Hydrology, Ikpikpuk River, Lakes, North Slope, Rivers/Streams, Surface Water, Terrestrial ecosystems, Terrestrial hydrosphere, USGS Science Data Catalog (SDC), Vegetation, Vegetation changes, Vegetation cover, Water Resources, Wildlife, Wildlife Biology, Fewer tags Southwest Alaska eBird Checklists These data are daily summary checklists of all bird species observed at U.S. Geological Survey, Alaska Science Center (ASC) field camps in Southwest Alaska. Version History: First release: May 2021 Revised: February 2022 (ver. 2.0) Revised: February 2023 (ver. 3.0) Categories: Data, Data Release - Revised; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service Sea Otter Forage Observations from Kachemak Bay, Katmai National Park and Preserve, Kenai Fjords National Park and Prince William Sound These data are part of the Gulf Watch Alaska (GWA) long term monitoring program, nearshore component and a seasonal diet study in Kenai Fjords National Park. This dataset consists of observations made of foraging sea otters (Enhydra lutris). Observers used Questar field model spotting scopes and binoculars to identify prey. Date, local time, dive duration, success, prey type, prey size, prey number, handling time and surface time were all recorded. Sites are in Alaska and include locations in Kachemak Bay, Katmai National Park and Preserve, Kenai Fjords National Park and Prince William Sound. The data in this file were collected from 2012—2024. Version History: First release: March 2017 Revised: November 2024 (ver.... Categories: Data, Data Release - Revised; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alaska, Animals/Invertebrates, Animals/Vertebrates, Aquatic ecosystems, Aquatic ecosystems, All tags... Benthic ecosystems, Benthic habitat, Biota, Coastal ecosystems, Coastal habitat, Ecology, Ecology, Environment, Field inventory and monitoring, Field sampling, Foraging behavior, Gulf of Alaska, Kachemak Bay, Katmai National Park and Preserve, Kenai Fjords National Park, Macroinvertebrates, Marine benthic invertebrates, Marine biology, Marine ecosystems, Marine environment monitoring, Marine environments, Northern Sea Otter, Predator-prey interactions, Prey selection, Prince William Sound, USGS Science Data Catalog (SDC), Wildlife, Wildlife Biology, Fewer tags Data from the Inventory of Montane-nesting Birds in the Arctic Network of National Parks, Alaska This data package includes three child items with data from montane-nesting bird surveys in the Arctic Network of National Parks in Alaska. Child Item One: "Data and Photographs from the Inventory of Montane-nesting Birds in the Arctic Network of National Parks, Alaska - Cape Krusenstern, Gates of the Arctic, Kobuk Valley, and Noatak". The data include (1) characteristics of bird survey sites, (2) vegetation classification at survey sites, (3) shorebird and predator detection surveys, (4) all bird species detection surveys, (5) bird breeding observations, (6) taxonomic details of detected birds, and 7) point count habitat photo index. Additionally, habitat photographs are included. Child Item Two: "Data and Photographs... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alaska, Alpine/Tundra, Animals/Vertebrates, Avian abundance, Baird Mountains, All tags... Bering Land Bridge National Preserve, Biogeography, Biological Productivity, Biota, Birds, Brooks Range, Burnt River, Cape Krusenstern National Monument, Community Ecology, Community structure, De Long Mountains, Distribution, Ear Mountain, Ecology, Endicott Mountains, Environment, Gates of the Arctic National Park and Preserve, Habitat preferences, Habitats, Hannum Creek, Igichuk Hills, Kobuk Valley National Park, Migratory birds, Mulgrave Hills, Noatak National Preserve, Schwatka Mountains, Seasonal distribution, Serpentine Hot Springs, Seward Peninsula, Species richness, Terrestrial Ecosystems, USGS Science Data Catalog (SDC), Waring Mountains, West Bat, Wildlife, Wildlife Biology, Fewer tags Bird Species Checklists from USGS Alaska Science Center Field Camps These data are daily summary checklists of all bird species observed at U.S. Geological Survey, Alaska Science Center (ASC) field camps. Data include species observation details such as observers, dates, location, and number of individuals seen. Field camps were located in Northern, Western, Interior, Southwest, Southcentral, and Southeast Alaska, Baja California Sur Mexico, and northern Russia. The data are organized in eight child items (one for each region), each with checklists in a tabular format. Version History: First release: May 2021 Revised: February 2022 (ver. 2.0) Revised: February 2023 (ver. 3.0) Categories: Data, Data Release - Revised; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alaska, Albatrosses/Petrels and Allies, Animals/Vertebrates, Bahia San Quintin, Baja California Sur, All tags... Biota, Birds, Coastal ecosystems, Cranes, Ducks/Geese/Swans, Eagles/Falcons/Hawks and Allies, Ecology, Environment, Fowl, Game birds, Laguna Ojo de Liebre, Laguna San Ignacio, Loons, Mexico, Migration (organisms), Migratory birds, Migratory rates/routes, Migratory species, Owls, Perching Birds, Raptors, Russia, Sakha Republic, Sandpipers, Santa Rosalia, Seabirds, Seasonal distribution, Shorebirds, Songbirds, Tundra ecosystems, USGS Science Data Catalog (SDC), United States, Waders/Gulls/Auks and Allies, Waterfowl, Wetland ecosystems, Wildlife, Wildlife Biology, Fewer tags Gulf Watch Alaska Nearshore Component: Monitoring Site Locations from Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park These data are part of the Gulf Watch Alaska (GWA) long term monitoring program, nearshore monitoring component. Specifically, these data describe site locations for rocky intertidal, mussel sampling, soft sediment bivalve sampling, and eelgrass bed sampling in the northern Gulf of Alaska within the GWA program. The dataset consists of two comma separated files exported from a Microsoft Excel workbook. The data consists of 1. rocky intertidal, mussel sampling, and soft sediment site location information, and 2. eelgrass bed locations. Sampling will be conducted in Katmai National Park and Preserve (KATM), Kenai Fjords National Park (KEFJ), Prince William Sound (PWS) and to a lesser extent on the Lake Clark National... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alaska, Alaska Peninsula, Algae, Aquatic Biology, Benthic, All tags... Biota, Community ecology, Ecology, Ecology, Ecosystem monitoring, Eelgrass, Environment, Gulf of Alaska, Intertidal, Invertebrates, Kachemak Bay, Katmai National Park and Preserve, Kenai Fjords National Park, Lake Clark National Park, Mussels, Nearshore ecology, Prince William Sound, USGS Science Data Catalog (SDC), Fewer tags Walrus areas of use in the Chukchi Sea during sparse sea ice cover The Pacific walrus (Odobenus rosmarus divergens) feeds on benthic invertebrates on the continental shelf of the Chukchi and Bering seas and rests on sea ice between foraging trips. With climate warming, ice-free periods in the Chukchi Sea have increased and are projected to increase in frequency and duration. We radio-tracked walruses to estimate areas of walrus foraging and occupancy in the Chukchi Sea during June–November of 2008–2011, years when sea ice was sparse over the continental shelf. The earlier and more extensive sea ice retreat in June–September and delayed freeze-up of sea ice in October and November, allowed walruses to arrive earlier, occupy slightly more northern areas, and stay later in the... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Pacific Walrus, Walrus, behavior, satellite tracking, telemetry Child Item 3: Geospatial Sampling Information for the Inventory of Montane-nesting Birds in the Arctic Network of National Parks, Alaska This is a child item of the USGS Data Release: https://doi.org/10.5066/P9V4IKNZ This data package contains geospatial layers used for selecting bird survey locations in the Arctic Network of National Parks. 1)"ARCN_park_boundary" is a summary of park, preserve, and monument boundaries of Arctic Network lands, except those within Bering Land Bridge National Monument. 2)"ARCN_sample_plots" represents the 69, 10 X 10 km sample blocks surveyed and inventoried from 2001-2003 during US Geological Survey's National Park Service (NPS)-sponsored Inventory and Monitoring project. 3)"ARCN_sample_points" is a summary of the 1,652 locations at which bird surveys were conducted from 2001-2003 during US Geological Survey's NPS-sponsored... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Alaska, Alpine/Tundra, Animals/Vertebrates, Avian abundance, Baird Mountains, All tags... Bering Land Bridge National Preserve, Biogeography, Biological Productivity, Biota, Birds, Brooks Range, Burnt River, Cape Krusenstern National Monument, Community Ecology, Community structure, De Long Mountains, Distribution, Ear Mountain, Ecology, Endicott Mountains, Environment, Gates of the Arctic National Park and Preserve, Habitat preferences, Habitats, Hannum Creek, Igichuk Hills, Kobuk Valley National Park, Migratory birds, Mulgrave Hills, Noatak National Preserve, Schwatka Mountains, Seasonal distribution, Serpentine Hot Springs, Seward Peninsula, Species richness, Terrestrial Ecosystems, USGS Science Data Catalog (SDC), Waring Mountains, Wildlife, Wildlife Biology, Fewer tags Baja Mexico eBird Checklists These data are daily summary checklists of all bird species observed at U.S. Geological Survey, Alaska Science Center (ASC) field camps in Baja California, Mexico. Version History: First release: May 2021 Revised: February 2022 (ver. 2.0) Revised: February 2023 (ver. 3.0) Categories: Data, Data Release - Revised; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service Northeast Russia eBird Checklists These data are daily summary checklists of all bird species observed at U.S. Geological Survey, Alaska Science Center (ASC) field camps in Northeast Russia. Version History: First release: May 2021 Revised: February 2022 (ver. 2.0) Revised: February 2023 (ver. 3.0) Categories: Data, Data Release - Revised; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service North Pacific Pelagic Seabird Database (NPPSD) The North Pacific Pelagic Seabird Database (NPPSD) is maintained by the USGS Alaska Science Center and includes survey transect data designed and conducted by numerous partners primarily to census seabirds at sea. The data provided here relate to observations of marine birds and mammals observed during at-sea surveys throughout the North Pacific including the Arctic Ocean, Beaufort Sea, Chukchi Sea, Bering Sea, Sea of Okhotsk, and Barents Sea. This data release contains 5 tables including observation data, survey locations, taxonomic designations of observed birds and mammals, summary information about each dataset added to the database, and a table showing changes made to the database from version 4.0 to 4.1. ... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alaska, Albatross and Allies, Aquatic birds, Arctic Ocean, Barents Sea, All tags... Beaufort Sea, Bering Sea, Biota, Birds, Canada, Chukchi Sea, Ducks/Geese/Swans, Eagles/Falcons/Hawks and Allies, Ecology, Environment, Grebes, Loons, Marine biology, Marine bird, Marine ecosystems, Marine mammals, North Pacific, Pelicans and Allies, Population dynamics, Sandpipers, Sea ducks, Sea of Japan, Sea of Okhotsk, Seabird, USGS Science Data Catalog (SDC), Waders/Gulls/Auks and Allies, Wildlife Biology, Fewer tags Southcentral Alaska eBird Checklists These data are daily summary checklists of all bird species observed at U.S. Geological Survey, Alaska Science Center (ASC) field camps in Southcentral Alaska. Version History: First release: May 2021 Revised: February 2022 (ver. 2.0) Revised: February 2023 (ver. 3.0) Categories: Data, Data Release - Revised; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service Southeast Alaska eBird Checklists These data are daily summary checklists of all bird species observed at U.S. Geological Survey, Alaska Science Center (ASC) field camps in Southeast Alaska. Version History: First release: May 2021 Revised: February 2022 (ver. 2.0) Revised: February 2023 (ver. 3.0) Categories: Data, Data Release - Revised; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service Corrected Fire Perimeters of Alaska's National Wildlife Refuges This data package includes 481 geospatial vector polygons of historic fire perimeters associated with National Wildlife Refuges in Alaska. These polygons, originally held within the Alaska Large Fire Database (ALFD), were reviewed and found to have geospatial inaccuracies with respect to the fire they represent. They were corrected and updated based on a variety of remote sensing resources; the Monitoring Trends in Burn Severity (MTBS) database (https://www.mtbs.gov/viewer/index.html), geospatial rasters of historic fire activity derived from Landsat 1-9 imagery in the Google Earth Engine(https://earthengine.google.com) environment, and historical air photos acquired through EarthExplorer (https://earthexplorer.usgs.gov/).... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Alaska, Alaska Peninsula National Wildlife Refuge, Arctic National Wildlife Refuge, Becharof National Wildlife Refuge, Disturbance, All tags... Environment, Fires, Forestry, Habitat alteration and disturbance, Innoko National Wildlife Refuge, Izembeck National Wildlife Refuge, Kanuti National Wildlife Refuge, Kenai National Wildlife Refuge, Kodiak National Wildlife Refuge, Koyukuk National Wildlife Refuge, Land Use / Land Cover, Land Use Change, Landsat, Landscape, Landscape Processes, Nowitna National Wildlife Refuge, Remote Sensing, Remote sensing, Selawik National Wildlife Refuge, Tetlin National Wildlife Refuge, Togiak National Wildlife Refuge, USGS Science Data Catalog (SDC), Wildland fire, Yukon Delta National Wildlife Refuge, Yukon Flats National Wildlife Refuge, Fewer tags 1 2 »