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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 (5) Past month (1) Past week (1) Past day (0) Custom range... To   Search Types Data (1) Contacts Alaska Science Center Ecosystems USGS ScienceBase Team USGS ScienceBase Team University of Alaska Fairbanks University of Alaska Fairbanks - College of Fisheries and Ocean Sciences Categories Data (4) Data Release - Revised (2) Tag Types Theme (5) Place (5) USGS Scientific Topic Keyword (5) Harvest Set (5) Tag Schemes NASA GCMD Earth Science Keyword Thesaurus (5) None (5) USGS CSA Biocomplexity Thesaurus (5) USGS Thesaurus (4) USGS Geographic Names Information System (GNIS) (5) ISO 19115 Topic Category (5) USGS thesaurus (1) More... View Results as: JSON ATOM CSV Browse Folder

Eelgrass (Zostera marina) Percent Cover Data from Katmai National Park and Preserve, Kenai Fjords National Park, and Prince William Sound, Alaska These data are part of the Gulf Watch Alaska (GWA) long-term monitoring program, nearshore monitoring component. The dataset has one comma separated values (.csv) table with estimates of eelgrass (Zostera marina) percent cover. Eelgrass cover was estimated from sonar and video drop cameras deployed from boats following prescribed survey transects. Categories: Data; Tags: Alaska, Alaska Peninsula, Angiosperms (flowering plants), Animal and plant census, Aquatic Biology, All tags... Biological productivity, Biota, Coastal ecosystems, Ecosystem monitoring, Eelgrass, Environment, Estuarine ecosystems, Gulf of Alaska, Katmai National Park and Preserve, Kenai Fjords National Park, Marine ecosystems, Monocots, Nearshore ecology, Prince William Sound, Relative abundance analysis, Seagrass, Seagrass beds, USGS Science Data Catalog (SDC), Wildlife Biology, Zostera marina, Fewer tags Marine Bird and Mammal Survey Data from 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, nearshore monitoring component. The dataset is comprised of six comma separated values (.csv) file exported from a relational database. The data consist of 1) summer marine bird and mammal densities, 2) winter marine bird and mammal densities, 3) summer marine bird and mammal observations, 4) winter marine bird and mammal observations, 5) summer marine bird and mammal survey strip transects, and 6) winter marine bird and mammal survey strip transects. Version History: First release: December 2017 Revised: July 2024 (ver. 2.0) Categories: Data; Tags: Alaska, Animals/Vertebrates, Biota, Birds, Coastal ecosystems, All tags... Community ecology, Ecology, Ecology, Environment, Environmental proxies, Field inventory and monitoring, Field sampling, Gulf of Alaska, Intertidal zone, Kachemak Bay, Katmai National Park and Preserve, Kenai Fjords National Park, Macroinvertebrates, Mammals, Marine ecosystems, Marine environment monitoring, Marine environments, Marine mammals, Nearshore ecology, Population density, Population trend, Relative abundance, Seabirds, Shorebirds, Spatial distribution, USGS Science Data Catalog (SDC), Wildlife, Wildlife Biology, Fewer tags 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 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 Rocky Intertidal Data from Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park This data package includes four (4) child items with data from the Gulf Watch Alaska (GWA) long-term monitoring program (nearshore monitoring component) rocky intertidal study. Child Item One: "Rocky Intertidal Sea Star Size, Count, and Disease Data from Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park". The data include: (1) size and disease state of sea stars, (2) counts of sea stars, (3) taxonomic classification, and (4) Gulf Watch Alaska contributors. Child Item Two: "Rocky Intertidal Nucella, Lirabuccinum, Katharina, and Lottia Counts from Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park". The data include: (1) counts of Nucella... Types: Data; Tags: Alaska, Alaska Peninsula, Algae, Animals/Invertebrates, Aquatic biology, All tags... Aquatic ecosystems, Aquatic ecosystems, Barnacles, Biota, Chitons, Coastal ecosystems, Community ecology, Echinoderm, Echinodermata, Ecology, Ecosystem monitoring, Environment, Gulf of Alaska, Intertidal environments, Intertidal zone, Katmai National Park and Preserve, Kenai Fjords National Park, Limpets, Macroalgae (seaweeds), Marine ecosystems, Marine flora, Marine invertebrates, Mollusks, Mussels, Nearshore ecology, Prince William Sound, Sea stars, Seaweeds, Snails, USGS Science Data Catalog (SDC), Wildlife biology, Wildlife disease, Fewer tags