Population Plots at Two Seabird Colonies in Lower Cook Inlet, Alaska

This dataset consists of one table with annual counts from population plots of Black-legged Kittiwakes and Common Murres at two seabird nesting colonies on Gull and Chisik Islands in lower Cook Inlet, Alaska.

Categories: Data; Tags: Alaska, Animals/Vertebrates, Biota, Birds, Black-legged Kittiwakes, All tags... Breeding sites, Coastal ecosystems, Common Murres, Cook Inlet, Environment, Gulf of Alaska, Indicator species, Kachemak Bay, Marine ecosystems, Population dynamics, Rissa tridactyla, Uria aalge, Waders/Gulls/Auks and Allies, Wildlife, Fewer tags

Seabird Diet Data Collected on Middleton Island, Gulf of Alaska

These data are part of the Gulf Watch Alaska (GWA) long-term monitoring program and contain diet data from Black-legged Kittiwakes (BLKI), Rhinoceros Auklets (RHAU), and Tufted puffins (TUPU) located on Middleton Island in Prince William Sound, Gulf of Alaska. The first table consists of information on seabird diet samples including the sampling method and number of prey types identified per sample ("seabirdDiets_foodSample_middletonIsland.csv"). The second table is similar to the first table, however, the samples have been subdivided by individual prey species ("seabirdDiets_samplePrey_middletonIsland.csv"). The third table consists of information specific to sampled prey items, such as prey taxa identification...

Tags: Alaska, Animals/Invertebrates, Animals/Vertebrates, Biota, Birds, All tags... Black-legged Kittiwake, Environment, Environmental sustainability, Field sampling, Fish, Fishes, Gulf of Alaska, Marine biology, Marine environment monitoring, Marine environments, Marine fishes, Middleton Island, Oceans, Prey selection, Prince William Sound, Quantitative distribution, Rhinoceros Auklet, Temporal variations, Tufted Puffin, USGS:ASC506, Waders/Gulls/Auks and allies, Wildlife biology, Fewer tags

Common Murre Disturbance Data on Gull Island, Kachemak Bay, Alaska

This dataset consists of one table with predator disturbance information from the Common Murre breeding season (June-August) from 2016-2020 on Gull Island, Kachemak Bay, Alaska.

Categories: Data; Tags: Alaska, Animal behavior, Animals/Vertebrates, Bald Eagle, Biota, All tags... Birds, Breeding sites, Breeding success, Coastal ecosystems, Common Murre, Community dynamics, Community ecology, Cook Inlet, Eagles/Falcons/Hawks and Allies, Ecosystem functions, Egg production, Environment, Field inventory and monitoring, Glaucous-winged Gull, Gulf of Alaska, Gull Island, Haliaeetus leucocephalus, Herring Gull, Kachemak Bay, Larus argentatus, Larus glaucescens, Marine ecosystems, Nesting behavior, Reproduction, USGS:ASC586, Uria aalge, Waders/Gulls/Auks and Allies, Fewer tags

Selected Whole-Rock and Sediment Geochemistry Reanalysis Data Additions to the Alaska Geochemical DataBase (AGDB) from Archived Samples, Alaska

This data release contains elemental concentration data from the reanalysis of 13,930 archived stream-sediment sample and associated stream sediment reference material and 968 archived rock samples and associated rock reference material. All archived material was from samples that were collected in Alaska. Samples were retrieved from the USGS Mineral Program's sample archive in Denver, CO. Sample processing consisted of splitting the appropriate aliquot for the requested analyses. Sample splitting was performed in the USGS Mineral Program's sample prep facilities. 13,800 samples were analyzed using a multi-element analytical method involving decomposition of the sample by sodium peroxide and elemental analysis by...

Categories: Data; Tags: Alaska, Alaska Range, Aleutian Islands, Aleutian Range, Alexander Archipelago, All tags... Bering Sea, Brooks Range, Chugach Mountains, Geochemistry, Gulf of Alaska, Kuskokwim Mountains, Mineral Resources, Seward Peninsula, USGS Science Data Catalog (SDC), United States, Wrangell Mountains, aluminum, antimony, arsenic, barium, beryllium, boron, cadmium, calcium, cerium, cesium, chemical analysis, chromium, cobalt, copper, dysprosium, earth science, earth sciences, erbium, europium, ferric iron, ferrous iron, gadolinium, gallium, geochemistry, geochemistry, geoscientificInformation, germanium, gold, hafnium, holmium, indium, iron, lanthanum, lead, lithium, lutetium, magnesium, manganese, mercury, mineral resources, mineralogy, molybdenum, neodymium, nickel, niobium, palladium, potassium, praseodymium, rhenium, rubidium, samarium, scandium, selenium, silicon, silver, sodium, strontium, sulfur, tantalum, tellurium, terbium, thallium, thorium, thulium, tin, titanium, tungsten, uranium, vanadium, ytterbium, yttrium, zinc, zirconium, Fewer tags

Impacts of Climate Change and Melting Glaciers on Coastal Ecosystems in the Gulf of Alaska

As glaciers melt from climate change, their contents – namely, large quantities of freshwater, sediment, and nutrients – are slowly released into coastal ecosystems. This project addressed the impacts of melting glaciers on coastal ecosystems in the Copper River region of the Gulf of Alaska, which is home to several commercially important fisheries. Researchers examined how glacial melting is altering the amount and timing of freshwater that enters the Gulf of Alaska from the Copper River. They also investigated the source and amount of two nutrients, iron and nitrate, dissolved in the water. As a complementary piece of the study, researchers tested the relationship between nutrient levels, plankton populations,...

Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2009, CASC, Completed, Glaciers and Permafrost, Glaciers and Permafrost, All tags... Gulf of Alaska, Iron, National CASC, National CASC, Projects by Region, Rivers, Streams and Lakes, Rivers, Streams and Lakes, Sea-Level Rise and Coasts, Sea-Level Rise and Coasts, Water, Coasts and Ice, Water, Coasts and Ice, climate change, melting glaciers, Fewer tags

Assessing the Status and Trends of Seabirds and Forage Fish in Lower Cook Inlet, Alaska

This data release is composed of seven datasets regarding colonial seabirds and forage fish at two seabird nesting colonies on Gull and Chisik Islands in lower Cook Inlet, Alaska. These data were collected to detect changes in the breeding population of Black-legged Kittiwakes and Common Murres on two nesting colonies in lower Cook Inlet and to compare those counts to baseline counts from 1995-1999. They are part of an ongoing study in lower Cook Inlet, Alaska to assess the recent status of forage fish and seabirds (2000-2020).

Tags: Alaska, Animal behavior, Animals/Vertebrates, Bald Eagle, Biota, All tags... Birds, Breeding sites, Breeding success, Coastal ecosystems, Common Murre, Community dynamics, Community ecology, Cook Inlet, Eagles/Falcons/Hawks and Allies, Ecosystem functions, Egg production, Environment, Field inventory and monitoring, Glaucous-winged Gull, Gulf of Alaska, Gull Island, Haliaeetus leucocephalus, Herring Gull, Kachemak Bay, Larus argentatus, Larus glaucescens, Marine ecosystems, Nesting behavior, Reproduction, Uria aalge, Waders/Gulls/Auks and Allies, Fewer tags

Nesting Productivity of Black-Legged Kittiwakes and Common Murres at Two Seabird Colonies in Lower Cook Inlet, Alaska

This dataset consists of one table with annual nesting productivity estimates for Black-legged Kittiwakes and Common Murres at two seabird nesting colonies on Gull and Chisik Islands in lower Cook Inlet, Alaska.

Categories: Data; Tags: Alaska, Animals/Vertebrates, Biota, Birds, Black-legged Kittiwakes, All tags... Breeding sites, Coastal ecosystems, Common Murres, Cook Inlet, Environment, Gulf of Alaska, Indicator species, Kachemak Bay, Marine ecosystems, Population dynamics, Rissa tridactyla, USGS:ASC378, Uria aalge, Waders/Gulls/Auks and Allies, Wildlife, Fewer tags

Predicting the vulnerability of nearshore species and habitats to climate change effects

The primary objective of the research is to develop a rule-based decision support system to predict the relative vulnerability of nearshore species to climate change. The approach is designed to be applicable to fishes and invertebrates with limited data by predicting risk from readily avialable data, including species’ biogeographic distributions and natural history attributes. By evaluating multiple species and climate stressors, the approach allows an assessment of climate vulnerability across habitat types and the impact of specific climate alterations as well as their cumulative impact. A website with a rule-based application for rockfish and crabs is availalble at http://cbrat.org/.

Categories: Data, Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2011, AK-0, AK-1, Academics & scientific researchers, Applications and Tools, All tags... BIOSPHERIC INDICATORS, CA-2, CA-2, CA-2, CA-2, Changes in sea level and coastal storms, Climate Change, Coastal shorelines and estuaries, Conservation Planning, Conservation Planning, Federal resource managers, Fjord Lands, Fjord Lands, Fjord Lands, Fjord Lands, Gulf of Alaska, Gulf of Alaska, Gulf of Alaska, Gulf of Alaska, LCC, LCC Network Science Catalog, LCC Network Science Catalog - LCCScienceCatalog, NPLCC, NPLCC, NPLCC, Nearshore marine species, North Pacific Landscape Conservation Cooperative, North Pacific Landscape Conservation Cooperative, Northern California, Northern California, Northern California, Northern California, OR-1, OR-1, OR-1, OR-1, OR-4, OR-4, OR-4, OR-4, OR-5, OR-5, OR-5, OR-5, Oregon, Oregon, Oregon, Oregon, Population & Habitat Evaluation/Projection, Population & Habitat Evaluation/Projection, Pre-Strategy, 2013, Project, Puget Sound, Puget Sound, Puget Sound, Puget Sound, Report, Science Project, State agencies, Vulnerability Assessment, Vulnerability Assessment, Vulnerability Assessment, WA-2, WA-2, WA-2, WA-2, WA-3, WA-3, WA-3, WA-3, WA-6, WA-6, WA-6, WA-6, WA-7, WA-7, WA-7, WA-7, WA-9, WA-9, WA-9, WA-9, biota, climate change, climate change, climate change, climate change, completed, environment, nearshore habitats, nearshore habitats, nearshore habitats, nearshore habitats, nearshore species, nearshore species, onGoing, 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.

Tags: Alaska Peninsula, Animals/Invertebrates, Aquatic biology, Aquatic ecosystems, Aquatic ecosystems, All tags... Benthic ecosystems, Benthic habitat, Biota, Bivalve, Coastal ecosystems, Coastal habitat, 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:ASC198, Wildlife, Fewer tags

Kelp Counts and Bottom Cover Estimates Obtained by SCUBA at Shallow Nearshore Sites along the North Pacific Rim from Bering Island to Southeast Alaska during 1987-2021

The data consist of counts of kelps and estimated percent cover of fleshy red algae, other benthic algal cover, and non-motile invertebrates in quadrats from over 600 nearshore rocky bottom sites that were sampled by scuba between 1987 and 2021. The sites are from 38 locations on the north Pacific Rim ranging from Bering Island, along the Aleutian Island chain and the Alaska Peninsula to southeast Alaska. At each site, divers counted kelps and estimated percent cover of other algae and encrusting invertebrates in 20 quadrats along 20-25-foot depth contour. At a subset of sites, 40-foot depths were targeted. Quadrat size is specified in the data table but was 0.25 m2 at almost all sites. At the same sites where kelps...

Categories: Data; Tags: Aleutian Islands, Gulf of Alaska, Marine Nearshore Subtidal, Russia, Southeast Alaska, All tags... Southwest Alaska, Western Aleutian Islands, benthic ecosystems, biota, brown algae and kelp, Fewer tags

Multichannel sparker seismic-reflection data of field activity 2016-656-FA; between Icy Point and Dixon Entrance, Gulf of Alaska from 2016-08-07 to 2016-08-26

This data release contains high-resolution multichannel seismic (MCS) reflection data collected in August of 2016 along the southeast Alaska continental margin. Structure perpendicular MCS profiles were collected along the Queen Charlotte-Fairweather fault. The data were collected aboard the R/V Norseman using a Delta sparker sound source and recorded on a 64-channel digital streamer. Subbottom acoustic penetration spans up to several hundreds of meters, and is variable by location.

Categories: Data; Tags: Bathymetry, Bathymetry and Elevation, CMGP, Chatham Strait, Coastal and Marine Geology Program, All tags... Continental Margins, Dixon Entrance, Glacier Bay, Gulf of Alaska, Icy Point, Mount Edgecumbe, Noyes Canyon, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, Sitka, State of Alaska, U.S. Geological Survey, USGS, Yakobi Valley, Yakutat, geoscientificInformation, oceans, seismic reflection profiling, sub-bottom profiling, Fewer tags

Hydroacoustic Survey Data from Lower Cook Inlet, Alaska

This dataset consists of one table with Area Backscattering Coefficient (ABC) data from hydroacoustic transect surveys collected around two seabird nesting colonies on Gull and Chisik Islands in lower Cook Inlet, Alaska.

Categories: Data; Tags: Acoustic backscatter, Alaska, Aquatic Sciences and Fisheries, Biota, Coastal ecosystems, All tags... Cook Inlet, Environment, Fisheries, Fishery technology, Gulf of Alaska, Hydroacoustics, Kachemak Bay, Marine ecosystems, Marine fisheries, Marine fishery resources, Nautical area scattering coefficient, Oceans, Pelagic habitat, Zooplankton, Fewer tags

Glacier Bay National Park and Preserve Sea Otter Forage Data, 1993-2019

These data describe observations of sea otter foraging behavior in Glacier Bay National Park and Preserve. Data consist of dive and surface times, success in prey retrieval, prey item, prey quantity, and size. Additionally, location of observations, and age class, sex, and pup status of the focal sea otter were also recorded.

Tags: Alaska, Animals/Invertebrates, Animals/Vertebrates, Benthic ecosystems, Biota, All tags... Coastal ecosystems, Coastal ecosystems, Enhydra lutris, Environment, Foraging behavior, Glacier Bay National Park and Preserve, Gulf of Alaska, Macroinvertebrates, Marine ecology, Marine ecosystems, Marine environment monitoring, Prey, Prey selection, Sea otters, Wildlife, Fewer tags

Predation of Common Murre Eggs at Two Seabird Colonies in Lower Cook Inlet, Alaska

This dataset consists of one table with egg predation data from Common Murres at two seabird nesting colonies on Gull and Chisik Islands in lower Cook Inlet, Alaska.

Categories: Data; Tags: Alaska, Animals/Vertebrates, Bald Eagle, Biota, Birds, All tags... Breeding sites, Coastal ecosystems, Common Murres, Cook Inlet, Egg production, Environment, Glaucous-winged Gull, Gulf of Alaska, Haliaeetus leucocephalus, Herring Gull, Indicator species, Kachemak Bay, Larus argentatus, Larus glaucescens, Marine ecosystems, Nesting behavior, Nesting success, Population dynamics, Reproductive success, Uria aalge, Use/Feeding habitat, Waders/Gulls/Auks and Allies, Wildlife, Fewer tags

Black Oystercatcher Nest and Diet 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, nearshore monitoring component. The dataset is comprised of six comma separated values (.csv) file exported from a relational database. The data consist of: 1) transect summary, 2) nest details, 3) egg float and stage data, 4) chicks diets, 5) chick diet taxonomy, and 6) Gulf Watch Alaska contributors.

Categories: Data; Tags: Alaska, Animals/vertebrates, Aquatic biology, Aquatic ecosystems, Biota, All tags... Black Oystercatcher, Chicks, Coastal ecosystems, Coastal habitat, Community Ecology, Diets, Ecology, Environment, Field inventory and monitoring, Field sampling, Gulf of Alaska, Kachemak Bay, Katmai National Park and Preserve, Kenai Fjords National Park, Macroinvertebrates, Marine ecosystems, Marine environment monitoring, Marine environments, Nearshore ecology, Prince William Sound, Productivity, Shorebirds, Size distribution, Spatial distribution, Trophic dynamics, USGS:ASC107, Waders/Gulls/Auks and allies, Wildlife, 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.

Tags: Alaska, Animals/Invertebrates, Aquatic biology, Aquatic ecosystems, Aquatic ecosystems, All tags... Benthic ecosystems, Benthic habitat, Bioindicator, Biospheric indicators, Biota, Coastal ecosystems, Coastal habitat, Coastal processes, 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, Wildlife, Fewer tags

Prospective regions for marine minerals on the Alaska Outer Continental Shelf

This shapefile is of prospective regional outlines of where marine minerals may occur on the Alaska Outer Continental Shelf (OCS). Polygons were hand digitized based on a U.S. Geological Survey (USGS) data review that considers the state of knowledge regarding marine mineral occurrences within the Alaska OCS. This data release is a companion to the USGS Professional Paper, Gartman and others, 2022. Reference Gartman, A., Mizell, K., and Kreiner, D.C., 2022, Marine minerals in Alaska — A review of coastal and deep-ocean regions: U.S. Geological Survey Professional Paper 1870, 46 p., https://doi.org/10.3133/pp1870.

Categories: Data; Tags: Alaska Plain, Aleutian Islands, Assessments, Bering Sea, CMHRP, All tags... Chukchi Borderland, Chukchi Plain, Chukchi Plateau, Chukchi Rise, Chukchi Sea, Chukchi Shelf, Coastal and Marine Hazards and Resources Program, East Siberian Shelf, Economic Geology, Geochemistry, Geomorphology, Gulf of Alaska, Gulf of Alaska Seamount Province, Kodiak Seamounts, Marine Geology, Material Resources, Mineral Resources, Mineral Resources, Nonliving Resources, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, Physical/Chemical Features, State of Alaska, U.S. Geological Survey, USGS, Unalaska Basin, chemical analysis, dredge sampling, earth sciences, geochemistry, geoscientific Information, marine geology, metallic mineral resources, mineral resources, oceans, sediment geochemistry, Fewer tags

CBRAT - Coastal Biodiversity Risk Analysis Tool Website

The primary objective of the research is to develop a rule-based decision support system to predict the relative vulnerability of nearshore species to climate change. The approach is designed to be applicable to fishes and invertebrates with limited data by predicting risk from readily avialable data, including species’ biogeographic distributions and natural history attributes. By evaluating multiple species and climate stressors, the approach allows an assessment of climate vulnerability acorss habitat types and the impact of specific climate alterations as well as their cumulative impact. A website with a rule-based application for rockfish and crabs is availalble at http://cbrat.org/.

Categories: Data; Tags: 2011, AK-0, CA-2, Conservation Planning, Data, All tags... Fjord Lands, Gulf of Alaska, LCC, LCC Network Science Catalog, NPLCC, North Pacific Landscape Conservation Cooperative, Northern California, OR-1, OR-4, OR-5, Oregon, Population & Habitat Evaluation/Projection, Puget Sound, Science Project, Vulnerability Assessment, Vulnerability Assessment, Vulnerability Assessment, WA-2, WA-3, WA-6, WA-7, WA-9, climate change, completed, dataset, dataset, geoscientificInformation, geoscientificInformation, nearshore habitats, nearshore species, Fewer tags

Population Counts at Two Seabird Colonies in Lower Cook Inlet, Alaska

This dataset consists of one table with annual population counts (censuses) for Black-legged Kittiwakes and Common Murres at two seabird nesting colonies on Gull and Chisik Islands in lower Cook Inlet, Alaska.

Categories: Data; Tags: Alaska, Animals/Vertebrates, Biota, Birds, Black-legged Kittiwakes, All tags... Breeding sites, Coastal ecosystems, Common Murres, Cook Inlet, Environment, Gulf of Alaska, Indicator species, Kachemak Bay, Marine ecosystems, Population dynamics, Rissa tridactyla, Uria aalge, Waders/Gulls/Auks and Allies, Wildlife, 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.

Tags: Alaska, Animals/Vertebrates, Aquatic biology, Aquatic ecosystems, Benthic ecosystems, All tags... Benthic habitat, Biota, Coastal ecosystems, Coastal habitat, 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:ASC464, Wildlife, Fewer tags