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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)
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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...
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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)
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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...
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We summarize available information on Pacific walrus haulouts from available reports, interviews with coastal residents and aviators, and personal observations of the authors. We provide this in the form of a georeferenced database that may be queried and displayed with standard geographic information system and database management software. The database contains 150 records of Pacific walrus haulouts, with a summary of basic characteristics on maximum haulout size, age-sex composition, season of use, and decade of most recent use. Citations to reports are provided as a bibliographic database.
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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.
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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)
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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...
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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)
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....
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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...
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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...
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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...
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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...
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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...
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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)
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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)
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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. ...
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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)
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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)


map background search result map search result map Walrus areas of use in the Chukchi Sea during sparse sea ice cover Pacific Walrus Coastal Haulout Database 1852-2016 Gulf Watch Alaska Nearshore Component: Monitoring Site Locations from Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park Sea Otter Forage Observations from Kachemak Bay, Katmai National Park and Preserve, Kenai Fjords National Park and Prince William Sound Bluff Analysis for Potential Peregrine Falcon Nesting Locations within the National Petroleum Reserve – Alaska (NPR-A), 2002-2012 Marine Ecology near Tufted Puffin Colonies across the Aleutian Archipelago and Alaska Peninsula, 2012-2014 North Pacific Pelagic Seabird Database (NPPSD) Data from the Inventory of Montane-nesting Birds in the Arctic Network of National Parks, Alaska Bird Species Checklists from USGS Alaska Science Center Field Camps Selected Basin Boundaries for USGS Streamgages in Alaska through 2019 Baja Mexico eBird Checklists Interior Alaska eBird Checklists Northeast Russia eBird Checklists Northern Alaska eBird Checklists Southcentral Alaska eBird Checklists Southeast Alaska eBird Checklists Southwest Alaska eBird Checklists Western Alaska eBird Checklists Child Item 3: Geospatial Sampling Information for the Inventory of Montane-nesting Birds in the Arctic Network of National Parks, Alaska Child Item 2: Geospatial Sampling Information from the Inventory of Montane-nesting Birds in Aniakchak National Monument and Preserve, Alaska Child Item 2: Geospatial Sampling Information from the Inventory of Montane-nesting Birds in Aniakchak National Monument and Preserve, Alaska Bluff Analysis for Potential Peregrine Falcon Nesting Locations within the National Petroleum Reserve – Alaska (NPR-A), 2002-2012 Baja Mexico eBird Checklists Gulf Watch Alaska Nearshore Component: Monitoring Site Locations from Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park Southeast Alaska eBird Checklists Northern Alaska eBird Checklists Walrus areas of use in the Chukchi Sea during sparse sea ice cover Western Alaska eBird Checklists Sea Otter Forage Observations from Kachemak Bay, Katmai National Park and Preserve, Kenai Fjords National Park and Prince William Sound Southcentral Alaska eBird Checklists Child Item 3: Geospatial Sampling Information for the Inventory of Montane-nesting Birds in the Arctic Network of National Parks, Alaska Interior Alaska eBird Checklists Marine Ecology near Tufted Puffin Colonies across the Aleutian Archipelago and Alaska Peninsula, 2012-2014 North Pacific Pelagic Seabird Database (NPPSD) Data from the Inventory of Montane-nesting Birds in the Arctic Network of National Parks, Alaska Selected Basin Boundaries for USGS Streamgages in Alaska through 2019 Southwest Alaska eBird Checklists Pacific Walrus Coastal Haulout Database 1852-2016 Bird Species Checklists from USGS Alaska Science Center Field Camps Northeast Russia eBird Checklists