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Location Folder Show Tree ROOT _ScienceBase Catalog __Alaska Science Center (ASC) ____Ecosystems Aerial Photo Imagery from Fall Waterfowl Surveys, Izembek Lagoon, Alaska, 2017-2019 Bird Species Checklists from USGS Alaska Science Center Field Camps Data from Black Brant (Branta bernicla nigricans) Overwintering in Three Lagoons Along the Baja California Peninsula, Mexico Data from Prince William Sound: Distribution, Abundance, and Morphology of Fish, Zooplankton, and Predators and Oceanographic Conditions Pacific Walrus Coastal Haulout Occurrences Interpreted from Satellite Imagery More... Filters Date Range Past year (3) Past month (2) Past week (2) Past day (0) Custom range... To   Search Contacts Alaska Science Center Ecosystems USGS ScienceBase Team U.S. Geological Survey - Alaska Science Center USGS ScienceBase Team University of Alaska Fairbanks University of Alaska Fairbanks - College of Fisheries and Ocean Sciences Categories Data (3) Tag Types Theme (3) Place (3) USGS Scientific Topic Keyword (3) Harvest Set (3) Tag Schemes USGS Thesaurus (3) NASA GCMD Earth Science Keyword Thesaurus (3) USGS CSA Biocomplexity Thesaurus (3) USGS Geographic Names Information System (GNIS) (3) None (3) ISO 19115 Topic Category (3) Protected Areas Database of the United States (PAD-US) (1) View Results as: JSON ATOM CSV Browse Folder

Intertidal Soft-Sediment Bivalves from Prince William Sound, Kachemak Bay, Katmai National Park and Preserve, and Kenai Fjords National Park These data are part of the Gulf Watch Alaska (GWA) long-term monitoring program and describe bivalve count and size sampling and observations conducted at intertidal soft-sediment sampling sites in the northern Gulf of Alaska. This dataset consists of five comma separated files (.csv): 1) bivalve taxonomy table, 2) bivalve sampling site table, 3) bivalve count table, 4) bivalve size table, and 5) list of Gulf Watch Alaska principal investigators and collaborators. Version History: First release: November 2018 Revised: September 2022 (ver. 2.0) Revised: October 2023 (ver. 3.0) Categories: Data, Data Release - Revised; Tags: Alaska Peninsula, Animals/Invertebrates, Aquatic Biology, Aquatic biology, Aquatic ecosystems, All tags... Aquatic ecosystems, Benthic ecosystems, Benthic habitat, Biota, Bivalve, Coastal ecosystems, Coastal habitat, Ecology, Ecology, Environment, Field inventory and monitoring, Field sampling, Gulf of Alaska, Kachemak Bay, Katmai National Park and Preserve, Katmai National Park and Preserve, Kenai Fjords National Park, Kenai Fjords National Park, Macroinvertebrates, Marine ecosystems, Marine environment monitoring, Marine environments, Mollusks, Prince William Sound, Size distribution, Spatial distribution, USGS Science Data Catalog (SDC), Wildlife, Wildlife Biology, Fewer tags Intertidal Mussel (Mytilus) Data 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 and describe mussel sampling and observations conducted in the northern Gulf of Alaska. This dataset consists of six comma separated files (.csv): 1) mussel sampling site layout information, 2) mussel counts for mussels greater than 20 millimeters in a quadrat, 3) mussel size measurements for mussels greater than 20 millimeters in a quadrat, 4) mussel counts for all mussels collected from core samples, 5) mussel size frequencies for all mussels collected from core samples, and 6) list of Gulf Watch Alaska principal investigators and collaborators. This dataset includes previously released data and supersedes the USGS data release (https://doi.org/10.5066/F7WS8RD4).... Categories: Data, Data Release - Revised; Tags: Alaska, Animals/Invertebrates, Aquatic Biology, Aquatic biology, Aquatic ecosystems, All tags... Aquatic ecosystems, Benthic ecosystems, Benthic habitat, Bioindicator, Biospheric indicators, Biota, Coastal ecosystems, Coastal habitat, Coastal processes, Ecology, Ecology, Environment, Field inventory and monitoring, Field sampling, Gulf of Alaska, Katmai National Park and Preserve, Kenai Fjords National Park, Macroinvertebrates, Marine ecosystems, Marine environment monitoring, Marine environments, Mollusks, Mollusks, Mussels, Pacific Blue Mussel, Prince William Sound, Size distribution, Spatial distribution, USGS Science Data Catalog (SDC), Wildlife, Wildlife Biology, Fewer tags Sea Otter Spraint Data 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. This dataset consists of observations of sea otter (Enhydra lutris) fecal samples (spraint). Observers examined fresh spraint piles to identify major prey classes in the samples and to determine sea otter diets in the Gulf of Alaska region. Version History: First release: July 2022 Revised: March 2023 (ver. 2.0) Revised: November 2023 (ver. 3.0) Revised: August 2024 (ver. 4.0) Categories: Data, Data Release - Revised; Tags: Alaska, Animals/Vertebrates, Aquatic biology, Aquatic ecosystems, Benthic ecosystems, All tags... Benthic habitat, Biota, Coastal ecosystems, Coastal habitat, Ecology, Ecology, Environment, Field sampling, Foraging behavior, Gulf of Alaska, Intertidal environments, Kachemak Bay, Katmai National Park and Preserve, Kenai Fjords National Park, Marine ecosystems, Marine environment monitoring, Marine mammals, Otters, Prey consumption, Prince William Sound, USGS Science Data Catalog (SDC), Wildlife, Wildlife Biology, Fewer tags