Gulf Watch Alaska Nearshore Component: Sea Otter Aerial Survey Data Katmai National Park and Preserve, 2008-2018

These data are part of the Gulf Watch Alaska (GWA) long term monitoring program, nearshore monitoring component. Specifically, these data describe sea otter (Enhydra lutris) aerial survey observations from the waters around Katmai National Park and Preserve from surveys conducted in 2008, 2012, 2015, and 2018. Sea otters are a keystone predator, well known for structuring the nearshore marine ecosystem through their consumption of invertebrate prey. The dataset consists of 3 comma-delimited files (CSV) exported from Microsoft Excel. The data consists of (1) Strip transect counts, (2) Intensive Search Unit (ISU) counts, and (3) Transect coordinates. For each aerial survey, a pilot flew an airplane at an altitude...

Categories: Data, Data Release - Revised; Tags: Abundance, Aerial survey, Alaska, Animals/Vertebrates, Aquatic Biology, All tags... Aquatic ecosystems, Benthic habitat, Biota, Coastal habitat, Distribution, Ecology, Ecology, Ecosystem monitoring, Enhydra lutris, Environment, Gulf of Alaska, Intertidal environments, Katmai National Park and Preserve, Marine environment monitoring, Marine mammals, Otters, Population dynamics, Sea otters, USGS Science Data Catalog (SDC), Wildlife Biology, Fewer tags

Child Item 3: Rocky Intertidal Invertebrate and Algae Cover from Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park

This is a child item of the USGS Data Release: https://doi.org/10.5066/F7513WCB. These data are part of the Gulf Watch Alaska (GWA) long-term monitoring program, nearshore monitoring component. The dataset has six comma separated values (.csv) file exported from a Microsoft Access relational database. The data consist of percent cover and point contact data from algae and invertebrates at intertidal rocky substrate sampling sites. Tables include: 1) intertidal cover, 2) intertidal percent cover, 3) intertidal top layer percent cover, 4) intertidal substrate percent cover, 5) taxonomic classification, and 6) Gulf Watch Alaska contributors. Version History: First release: September 2022 Revised: October 2023 (ver....

Categories: Data; Tags: Alaska, Alaska Peninsula, Algae, Algae, Animals/Invertebrates, All tags... Aquatic biology, Aquatic ecosystems, Biospheric indicators, Biota, Community ecology, Ecology, Ecosystem monitoring, Environment, Gulf of Alaska, Intertidal environments, Intertidal zone, Katmai National Park and Preserve, Kenai Fjords National Park, Macroinvertebrates, Marine ecosystems, Marine invertebrates, Mollusks, Nearshore ecology, Prince William Sound, USGS Science Data Catalog (SDC), Wildlife biology, Wildlife disease, Fewer tags

Child Item 04: Forage Fish Aerial Validation Data from Prince William Sound, Alaska

This is a child item of the USGS Data Release: https://doi.org/10.5066/F74J0C9Z One table with data used to validate aerial fish surveys in Prince William Sound, Alaska. Data includes: date, location, latitude, longitude, aerial ID, validation ID, total length and validation method. Various catch methods were used to obtain fish samples for aerial validations, including: cast net, go pro, hydroacoustics, jig, dip net, gill net, purse seine, photo and visual identification. Version History: First release: April 2017 Revised: February 2021 (ver. 2.0) Revised: March 2023 (ver. 3.0) Revised: September 2024 (ver. 4.0)

Categories: Data, Data Release - Revised; Tags: Alaska, Animals/Vertebrates, Aquatic Biology, Biota, Coastal ecosystems, All tags... Ecology, Environment, Fish, Fisheries, Food fishes, Forage fish, Gulf of Alaska, Marine ecosystems, Marine fishery resources, Oceans, Pelagic habitat, Prince William Sound, USGS Science Data Catalog (SDC), Wildlife Biology, Fewer tags

Intertidal and Subtidal Sea Otter Prey Sampling in Mixed Sediment Habitat in Glacier Bay National Park and Preserve, Alaska, 1998 to 2011

This dataset provides clam species abundance and size data from intertidal and subtidal mixed sediment habitats in Glacier Bay National Park and Preserve (GBNPP). Data are provided for all observed clams, horse mussels, or urchins 14 mm or larger. Sampling involved excavating 25 cm of substrate from quadrats (approximately 0.25 sq meter) along transects at random and selected sites, 10 quadrats at the 0 Mean Lower Low Water (MLLW) tide level for intertidal sampling and 20 quadrats at approximately 9 m depth for subtidal sampling. Site and taxonomic information are provided. Abundance and size data are provided in two tables with different data configurations: (1) a compact version with data for those species observed...

Categories: Data, Data Release - Revised; Tags: Alaska, Animal and plant census, Aquatic Biology, Aquatic biology, Benthic habitat, All tags... Benthos, Biota, Bivalves, Clam, Coastal ecosystems, Ecology, Environment, Glacier Bay National Park and Preserve, Macroinvertebrates, Marine ecosystems, Mollusks, Mollusks, Sea urchin, Trophic relationships, USGS Science Data Catalog (SDC), Wildlife, Wildlife Biology, Fewer tags

Microsatellite Genetic Data for Sea Sandwort (Honckenya peploides) and Merckia (Wilhelmsia physodes), Alaska, 2009-2016

This dataset contains sampling information and genetic data of 12 novel microsatellite loci developed and polymorphic in the Sea Sandwort (Honckenya peploides) and screened in Merckia (Wilhelmsia physodes) from Alaska. The allele sizes for the 12 microsatellite loci developed in this study are included for two populations of Sea Sandwort (Fossil Beach, Kodiak and Egg Bay, Atka) and one population of Merckia (upper Coleen River, Brooks Range).

Categories: Data; Tags: Alaska, Aleutian Islands, Angiosperms (Flowering Plants), Biogeography, Biota, All tags... Botany, Coastal Ecosystems, Dicots, Environment, Gene flow, Genetic diversity, Genetic diversity, Genetic variance, Genetics, Genetics, High-Throughput Nucleotide Sequencing, Indigenous vegetation, Microsatellite repeats, Plants, Polymerase chain reaction, Population dynamics, Population genetics, Ruderal environments, Seed dispersal, Terrestrial ecosystems, Terrestrial environments, USGS Science Data Catalog (SDC), Fewer tags

Genetic Data from Wolverine (Gulo gulo) of North America

These data are comprised of two tables, one table containing wolverine (Gulo gulo) sample and genetic information for 20 microsatellite loci (Gg10-1, Gg25, Gg37-2, Gg42-1, Gg192-1, Gg443, Gg452, Gg454, Gg465, Gg471, Gg473, Gg-3-1, Gg-4, Gg-7-1, Ggu_216-1, Lut604, Ma-3-1, Mvis075, Tt-1, and Tt-4) and genetic sex determination results from North America and one Russian wolverine. All samples were obtained from collections at the University of Alaska Museum of the North or the University of New Mexico’s Museum of Southwestern Biology. The second table provides complete primer information for the genetic markers since several were redesigned from their originally-published sequences for this study.

Categories: Data; Tags: Alaska, Alleles, Animals/Vertebrates, Biota, British Columbia, All tags... Canada, Carnivores, Chukotka, DNA, DNA Primers, Environment, Gene Flow, Genetic diversity, Genetic markers, Genetic structure, Genetics, Genetics, Gulo gulo, Kenai Peninsula, Mammals, Martens/Weasels/Wolverines, Microsatellite Repeats, Nunavut, Polymerase chain reaction, Population Genetics, Russia, Sexing (plants & animals), Terrestrial ecosystems, USGS Science Data Catalog (SDC), Wildlife, Wildlife Biology, Wolverine, Yukon, Fewer tags

Child Item 08: Hydroacoustic Survey Data from Prince William Sound, Alaska

This is a child item of the USGS Data Release: https://doi.org/10.5066/F74J0C9Z Multiple tables (one for each sample station and frequency) with echointegration data from forage fish survey transects in Prince William Sound, Alaska. Each file contains analysis exports from EchoView Software Pty Ltd. ver. 7.1.29.30212. Version History: First release: April 2017 Revised: February 2021 (ver. 2.0) Revised: March 2023 (ver. 3.0) Revised: September 2024 (ver. 4.0)

Categories: Data Release - Revised; Tags: Acoustic backscatter, Alaska, Aquatic Biology, Biota, Coastal ecosystems, All tags... Ecology, Environment, Fisheries, Fishery technology, Gulf of Alaska, Hydroacoustics, Marine ecosystems, Marine fishery resources, Oceans, Pelagic habitat, Prince William Sound, USGS Science Data Catalog (SDC), Wildlife Biology, Zooplankton, Fewer tags

Child Item 2: Rocky Intertidal Nucella, Lirabuccinum, Katharina, and Lottia Counts from Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park

This is a child item of the USGS Data Release: https://doi.org/10.5066/F7513WCB. These data are part of the Gulf Watch Alaska (GWA) long-term monitoring program, nearshore monitoring component. The dataset has three comma separated values (.csv) file exported from a Microsoft Access relational database. The data consist of 1) counts of Nucella spp., Lottia spp., Lirabuccinum dirum, and Katharina tunicata, 2) a taxonomic classification table, and 3) a table of Gulf Watch Alaska contributors. Version History: First release: September 2022 Revised: October 2023 (ver. 2.0)

Categories: Data; Tags: Alaska, Alaska Peninsula, Animals/Invertebrates, Aquatic biology, Aquatic ecosystems, All tags... Benthic, Biospheric indicators, Biota, Chiton, Community ecology, Density, Ecology, Ecology, Ecosystem monitoring, Environment, Gulf of Alaska, Intertidal, Intertidal environments, Intertidal zone, Katharina, Katmai National Park and Preserve, Kenai Fjords National Park, Lirabuccinum, Marine ecosystems, Marine invertebrates, Mollusks, Nearshore ecology, Nucella, Prince William Sound, Snail, USGS Science Data Catalog (SDC), Wildlife biology, Wildlife disease, Fewer tags

2013_2014 audio thompson

Release of audio recording device data for assessing avian detectability, Seward Peninsula, Alaska; 2013-2014

Genetic Data from Barrow's Goldeneye and Common Goldeneye

This data set describes nuclear microsatellite genotypes derived from eight autosomal loci (Aph02, Aph11, Aalµ1, Sfiµ4, Smo4, Smo7, Smo12, and Sfiµ8) and accession numbers for double digest restriction-site associated DNA (ddRAD) sequences.

Categories: Data; Tags: Alaska, Alleles, Animals/Vertebrates, Barrow's Goldeneye, Biota, All tags... Birds, British Columbia, Bucephala clangula, Bucephala islandica, Canada, Coastal ecosystems, Common Goldeneye, DNA, Denmark, Environment, Estuarine habitat, Gene flow, Genetic markers, Genetics, Genetics, Genotype, Microsatellite Repeats, Migratory birds, Ontario, Polymerase chain reaction, Population genetics, Terrestrial ecosystems, USGS Science Data Catalog (SDC), Waterfowl, Waterfowl, Wildlife, Wildlife Biology, Yukon Territory, Fewer tags

Bioenergetics and Morphology of Mussels (Mytilus trossulus) in Kenai Fjords National Park

This dataset provides one table of bioenergetic and morphological measurements of Pacific blue mussels (Mytilus trossulus; N = 444) collected at three intertidal sites in Kenai Fjords National Park, Alaska. Mussels were collected at the same tidal height across all three sites on a nearly monthly basis from 2014-2015.

Categories: Data; Tags: Aialik Bay, Alaska, Animal morphology, Animals/Invertebrates, Aquatic Biology, All tags... Bioenergetics, Biomass dynamics, Biota, Bivalves, Calorimetry, Coastal ecosystems, Ecology, Environment, Gulf of Alaska, Intertidal environments, Kenai Fjords National Park, Macroinvertebrates, Marine ecosystems, Mollusks, Resurrection Bay, Shellfish, USGS Science Data Catalog (SDC), Wildlife Biology, Fewer tags

Audio Recording Device Data for Assessing Avian Detectability, Seward Peninsula, Alaska, 2013-2014

This data set contains information from recording devices that were set to record regularly during summer breeding seasons. A single observer listened to 2692 recordings, noting which species were heard during each 10-min recording. We used this information to examine how avian detectability varied by day of season, time of day, and ambient temperature. All study locations were in northwestern Alaska, on the Seward Peninsula, and recordings were taken between May 25 and July 26 in 2013 and 2014.

Categories: Data; Tags: ARU, Alaska, Animals/Vertebrates, Audio recordings, Autonomous recording unit, All tags... Biological population management, Biota, Birds, Community composition, Detectability, Ecology, Environment, Natural resource management, Ornithology, Seward Peninsula, Songbirds, Species diversity, USGS Science Data Catalog (SDC), Vegetation changes, Wildlife, Wildlife Biology, Fewer tags

Blood Parasite Infection Data from Northwestern Crows (Corvus caurinus), Alaska, 2007-2008

This data set consists of two tables associated with a study of Haemosporidian parasite infection in Northwestern Crows (Corvus caurinus) sampled at six locations throughout southcentral and southeast Alaska in 2007-2008. The first table contains species, location, banding, and morphometric data for all samples. The second table contains results from heamosporidian parasite screening of crow blood samples using molecular techniques. Genomic DNA was extracted from blood samples and screened for the presence of Haemoproteus, Plasmodium, and Leucocytozoon blood parasites using a nested-PCR method. Parasite genetic data is provided as GenBank accession numbers for any samples that tested positive for haemosporidian...

Categories: Data; Tags: Alaska, Animals/Vertebrates, Avian physiology, Biological science disciplines, Biology, All tags... Biosphere, Biota, Birds, Birds, Blood parasites, DNA Sequencing, Disease, Disease vectors, Ecological dynamics, Ecology, Environment, Genetic diversity, Genetic variance, Genetics, Genetics, Genetics, Haemosporidians, Haines, Hematozoa, Homer, Juneau, Kenai, Life sciences, Natural science disciplines, Parasitic diseases, Parasitism, Parasitology, Parasitology, Pathologic processes, Perching birds, Polymerase chain reaction, Sciences, Seward, Species/Population interactions, USGS Science Data Catalog (SDC), Valdez, Vector borne diseases, Wildlife Biology, Wildlife Disease, Wildlife biology, Zoology, Fewer tags

Gulf Watch Alaska, Nearshore Monitoring Component: Sea Otter Foraging Observations from Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park, 2012-2016

This data is part of the Gulf Watch Alaska (GWA) long term monitoring program, benthic monitoring component and a seasonal diet study in Kenai Fjords National Park. The dataset is a comma separated file exported from a Microsoft Access database. The data 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 are all recorded. Sites are in Alaska and include locations in Katmai National Park and Preserve, Kenai Fjords National Park and Prince William Sound. This data in this file were collected 2012-2016.

Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Aquatic Biology, Ecology, Enhydra lutris, Gulf of Alaska, Katmai National Park and Preserve, All tags... Kenai Fjords National Park, Prince William Sound, USGS Science Data Catalog (SDC), Wildlife Biology, biota, coastal ecosystems, environment, foraging behavior, marine ecology, monitoring, prey, sea otters, synecology, Fewer tags

Child Item 2: Black Brant (Branta bernicla nigricans) Radio Detection and Migration Timing Alaska to Mexico

This is a child item of the USGS Data Release: https://doi.org/10.5066/F7T43R88 This data package provides data from Pacific Black Brant (Branta bernicla nigricans) tagged with VHF radio transmitters in July 1999 on the Yukon Kuskokwim Delta, Alaska and detected in the following two years during their annual migration. Data include: 1) one table with attributes of the tagged brant, 2) one table with estimated dates of migration events, and 3) seven tables of detection data from radio tracking scans at coastal sites between Alaska and Mexico. Version History: First release: April 2023 Revised: February 2024 (ver. 2.0)

Categories: Data, Data Release - Revised; Tags: Alaska, Animal populations, Animals/Vertebrates, Bahia San Quintín, Baja California, All tags... Baja California Sur, Biota, Birds, Black Brant, Branta bernicla nigricans, Brent Goose, Coastal ecosystems, Ecological dynamics, Environment, Izembek National Wildlife Refuge, Laguna Ojo de Liebre, Laguna San Ignacio, Mexico, Migratory birds, Population dynamics, Species life history, Species/population interactions, USGS Science Data Catalog (SDC), Waterfowl, Wildlife, Wildlife Biology, Yukon Delta, Yukon Delta National Wildlife Refuge, Yukon Kuskokwim Delta, Fewer tags

Brant (Branta bernicla) Genetic Data from North America, Europe, and Asia

This data package is comprised of one table with genetic data from Brant (Branta bernicla). Data include sampling location and allele sizes of 14 microsatellite loci.

Categories: Data; Tags: Alaska, Alleles, Animals/Vertebrates, Aquatic ecosystems, Biota, All tags... Birds, Brant, Branta bernicla, Canada, Coastal ecosystems, DNA, DNA Primers, DNA sequencing, DNA, Mitochondrial, Ducks/Geese/Swans, Environment, Gene Flow, Genetic diversity, Genetic markers, Genetics, Genetics, Genotype, Iceland, Ireland, Marine ecosystems, Microsatellite Repeats, Migratory birds, Polymerase chain reaction, Population Genetics, Russia, The Netherlands, USGS Science Data Catalog (SDC), Waterfowl, Wetland ecosystems, Wildlife, Wildlife Disease, Fewer tags

Genomic Data from Ptarmigan and Grouse, Alaska

This data set provides sample data and NCBI accession information for genomic sequencing of ptarmigan and grouse from Alaska. Version History: First release: July 2020 Revised: December 2021 (ver. 2.0)

Categories: Data, Data Release - Revised; Tags: Alaska, Animals/Vertebrates, Biota, Birds, Bonasa umbellus, All tags... DNA sequencing, Dendragapus fuliginosus, Environment, Falcipennis canadensis, Fowl, Galliformes, Genetic diversity, Genetics, Genomics, Herbivores, Lagopus lagopus, Lagopus leucura, Lagopus muta, Population Genetics, Rock ptarmigan, Ruffed grouse, Sharp-tailed grouse, Sooty grouse, Spruce grouse, Terrestrial ecosystems, Transcriptome, Tundra ecosystems, Tympanuchus phasianellus, USGS Science Data Catalog (SDC), Upland game birds, White-tailed ptarmigan, Wildlife, Wildlife Biology, Willow ptarmigan, ddrad, double digestion restriction associated DNA, exon capture, whole genome, whole methylome, whole mitogenome, whole transcriptome, Fewer tags

Gulf Watch Alaska - Pelagic Ecosystems Forage Fish Component - Data from Prince William Sound: Distribution, Abundance, and Morphology of Fish, Zooplankton, and Predators and Oceanographic Conditions

This data package includes 10 child items with data about the distribution, abundance, and morphology of forage fish, zooplankton, and predators, and oceanographic conditions during summer surveys in Prince William Sound, Alaska. Child Item 1: "Forage Fish Catch Data from Prince William Sound, Alaska". Fish catch data from summer surveys. Child Item 2: "Forage Fish Morphology Data from Prince William Sound, Alaska". Fish morphology data from summer surveys. Child Item 3: "Forage Fish Size, Age, and Energy Density Data from Prince William Sound, Alaska". Age, length, weight, dry mass energy density, and dry mass of forage fish captured in July. Child Item 4: "Forage Fish Aerial Validation Data from Prince William...

Categories: Data, Data Release - Revised; Tags: Acoustic backscatter, Age composition, Alaska, Animals/Invertebrates, Animals/Vertebrates, All tags... Aquatic Biology, Aquatic birds, Aquatic mammals, Bioenergetics, Biomass, Biota, Calorimetry, Capelin, Coastal ecosystems, Conductivity, Ecology, Environment, Euphausiids, Fish, Fisheries, Fishery technology, Food fishes, Food web, Forage fish, Gulf of Alaska, Hydroacoustics, Inorganic Nutrients, Macrozooplankton, Marine ecosystems, Marine fishery resources, Marine mammals, Oceans, Pacific Sand Lance, Pelagic habitat, Photosynthetically active radiation, Plankton, Prince William Sound, Salinity, Sandlance, Sea ducks, Seabirds, Temperature, Turbidity, USGS Science Data Catalog (SDC), Wildlife Biology, Zooplankton, Fewer tags

Child Item 09: Nutrient Depth Profile Data from Prince William Sound, Alaska

This is a child item of the USGS Data Release: https://doi.org/10.5066/F74J0C9Z One table with the concentrations of inorganic nutrients (NO2, NO3, PO4, and SiOH4) in water samples collected during summer from multiple depths at sampling stations throughout Prince William Sound, Alaska. Version History: First release: April 2017 Revised: February 2021 (ver. 2.0) Revised: March 2023 (ver. 3.0) Revised: September 2024 (ver. 4.0)

Categories: Data, Data Release - Revised; Tags: Alaska, Aquatic Biology, Biota, Coastal ecosystems, Ecology, All tags... Environment, Gulf of Alaska, Inorganic Nutrients, Marine ecosystems, Marine fishery resources, Oceans, Pelagic habitat, Prince William Sound, USGS Science Data Catalog (SDC), Wildlife Biology, Fewer tags

SUPERSEDED: Data Associated with Algal Toxin Testing of Seabirds from the Bering and Chukchi Seas, 2017

This data release has been SUPERSEDED. No data are provided here. Data from HABs sampling data releases have been appended to U.S. Geological Survey data release: https://doi.org/10.5066/P9MLNP9H. This data set is comprised of three tables with results of algal toxin screening for saxitoxin and domoic acid. We used enzyme-linked immunosorbent assay (ELISA) and high-performance liquid chromatography (HPLC) to screen seabirds in the Bering and Chukchi Seas, 2017.

Categories: Data; Tags: Alaska, Albatrosses/Petrels and Allies, Animals/Vertebrates, Bering Sea, Biota, All tags... Birds, Chromatography, High Pressure Liquid, Chukchi Sea, Domoic acid, Environment, Environmental Health, Enzyme-linked Immunosorbent Assay, HABS, Harmful algal bloom, Health and disease, Immunologic techniques, Marine ecosystems, Migratory birds, Migratory species, Saxitoxin, Seabirds, Toxicity, USGS Science Data Catalog (SDC), Waders/Gulls/Auks and Allies, Wildlife, Wildlife Biology, Wildlife Disease, Wildlife disease, Fewer tags