Catalog - Data.gov

Found 282 datasets matching "crabs".

Federal
NPRB711 Quantification of unobserved injury and mortality of Bering Sea crabs due to encounters with trawls on the seafloor
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-02-29T00:00:00.000+00:00
The potential for unobserved mortality of crabs encountering bottom trawls, but not captured, has long been a concern in the management of Bering Sea fisheries. We evaluated how many such crabs...
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Search relevance: 94.64 | Views last month: 0
Federal
Invasive Crabs Inventory at Assateague Island National Seashore - Open Format Dataset
- Organization: Department of the Interior
- Updated: 2023-04-27T00:00:00Z
An invasive crab inventory survey was performed to document the abundance and spatial distribution of the European green crab (Carcinus maenas) and the Japanese shore crab (Hemigrapsus sanguineus)...
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Search relevance: 90.12 | Views last month: 2
Federal
Alaska island invasive species survey data for early detection and rapid response of crabs using molt walk surveys, July 2024
- Organization: Department of the Interior
- Updated: 2025-03-26T00:00:00Z
Tabular data set summarizing molt walk surveys for invasive marine invertebrates (i.e., European Green Crab) and native crabs on islands in Alaska Maritime National Wildlife Refuge between July...
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Search relevance: 77.90 | Views last month: 0
Federal
NPRB 1117 Cooperative research to develop new trawl footrope designs to reduce mortality of southern Tanner and snow crabs (Chionoecetes bairdi and C. opilio) incidental to Bering Sea bottom trawl fisheries
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-02-29T00:00:00.000+00:00
Alaska’s Bering Sea is home to some of the world’s most productive groundfish and crab stocks and the fisheries that depend on them. Their spatial overlap creates problems when bottom trawls...
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Search relevance: 74.51 | Views last month: 0
Federal
AFSC/RACE/SAP/Long: Effects of ocean acidification on respiration, feeding, and growth of juvenile red and blue king crabs (Paralithodes camtschaticus and P. platypus)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-05-15T19:15:53.000+00:00
Juvenile red and blue king crabs (Paralithodes camtschaticus and P. platypus) were exposed to three pH levels: ambient (pH 8.1), pH 7.8, and pH 7.5 for three weeks. Oxygen consumption and feeding...
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Search relevance: 71.85 | Views last month: 0
Federal
AFSC/RACE/SAP/Long: Data from: Habitat, predation, growth, and coexistence: Could interactions between juvenile red and blue king crabs limit blue king crab productivity?
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2015-01-01T00:00:00.000+00:00
This data set is from a series of laboratory experiments examining the interactions between red and blue king crabs and habitat. We examined how density and predator presence affect habitat...
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Search relevance: 71.35 | Views last month: 0
Federal
Observations of survival, growth, and morphology of blue king crabs collected in laboratory experiments for the Effects of Ocean Acidification on Federally Managed Crab Species project in Kodiak, Alaska from 2011-06-16 to 2012-06-18 (NCEI Accession 0247437)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-02-25T00:00:00.000+00:00
This dataset includes observations of how CO2-driven acidification affected the growth and survival of juvenile blue king crab (Paralithodes platypus.), an important fishery species in Alaska....
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Search relevance: 68.22 | Views last month: 0
Federal
Observations of the effects of ocean acidification on the exoskeleton in adult Tanner crabs (Chionoecetes bairdi) collected in laboratory experiments for the Effects of Ocean Acidification on Federally Managed Crab Species project in Kodiak, Alaska from 2011-06-21 to 2013-07-14 (NCEI Accession 0248337)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-02-25T00:00:00.000+00:00
This is data from a laboratory experiment in which mature female Tanner crabs were held at three different pHs (ambient, pH 7.8, and pH 7.5) for approximately two years. The laboratory exposure...
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Search relevance: 61.43 | Views last month: 0
Federal
Measurements of respiration, feeding, and growth of juvenile red and blue king crabs collected in laboratory experiments for the Effects of Ocean Acidification on Federally Managed Crab Species project in Kodiak, Alaska from 2013-06-10 to 2013-07-14 (NCEI Accession 0247209)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-02-25T00:00:00.000+00:00
This is data from a laboratory experiment in which red and blue king crab (Paralithodes camtschaticus and P. platypus) juveniles were held at three different pH levels (ambient, pH 7.8, and pH...
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Search relevance: 55.73 | Views last month: 0
Federal
Sportsmans Road/Gangs Bayou 1995
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2018-01-01T00:00:00.000+00:00
Measured fine-scale distributions of nekton on the vegetated marsh surface using drop samplers and utilized these patterns to estimate population size. Natant decapod crustaceans were most...
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Search relevance: 44.03 | Views last month: 1
Federal
AFSC/RACE/SAP/Daly:Juvenile blue king crab cannibalism experiment conducted in the Kodiak Lab in 2014
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-05-15T19:15:47.000+00:00
This dataset is part of a laboratory experiment, which evaluated how varying prey densities (year-0 blue king crabs) and habitat type (shell and sand) affect the functional response of year-1 blue...
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Search relevance: 41.74 | Views last month: 0
Federal
RESTORE Sponsored Research Project: Building Resilience for Oysters, Blue Crabs, and Spotted Seatrout to Environmental Trends and Variability in the Gulf of America (formerly Gulf of Mexico)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-04-04T00:00:00.000+00:00
This project explores how oyster, blue crab, and spotted seatrout populations respond to human and environmental changes with the goal of improving the management of these economically and...
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Search relevance: 40.28 | Views last month: 0
Federal
Halls Lake 1990
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-05-15T19:16:01.000+00:00
Salt marsh habitats along the shoreline of Halls Lake are threatened by wave erosion, but the reconstruction of barrier islands to reduce this erosion will modify or destroy nonvegetated habitats...
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Search relevance: 40.00 | Views last month: 1
Federal
AFSC/RACE/SAP/Long: Data from: Upper thermal tolerance in red and blue king crab: Sublethal and lethal effects
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-05-15T19:16:16.000+00:00
This dataset contains data from a series of experiments that determined the upper thermal tolerance of early benthic stage red and blue king crabs. Experiments included determining the...
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Search relevance: 39.03 | Views last month: 0
Federal
Crab sizes and life stages collected from laboratory experiment using an Nikon SMZ 745 T microscope and Infinity Analyze software from 2018-08-26 to 2019-07-11 (NCEI Accession 0300469)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-01-07T00:00:00.000+00:00
This dataset contains the sample sizes and p-values for analysis of the size of juvenile Dungeness crab reared in ambient and high CO2 analysis compares the effect of CO2 within a single...
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Search relevance: 38.60 | Views last month: 0
Federal
American Horseshoe Crab Abundance in the Northern Central Gulf of Mexico from 2012-05-21 to 2013-08-20 (NCEI Accession 0149391)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2016-05-03T00:00:00.000+00:00
This dataset contains sightings of American horseshoe crab, Limulus polyphemus, during shoreline surveys conducted in late spring and summer in 2012 and 2013. The study area was in the northern...
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Search relevance: 37.97 | Views last month: 0
Federal
AFSC/RACE/SAP/Daly: Juvenile red and blue king crab prey preference experiment conducted in the Kodiak Lab in 2014
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-05-15T19:15:46.000+00:00
This dataset is part of a laboratory experiment, which evaluated how varying ratios of prey species (year-0 blue and red king crabs) and habitat type (shell and cobble) affect prey preference of...
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Search relevance: 37.12 | Views last month: 0
Federal
Model projections to the year 2116 of ocean acidification effects on the fishing profit, effort, and mortality of North Pacific crab stocks (snow crabs, Chionoecetes opilio; Tanner Crabs, Chionoecetes bairdi) in the Eastern Bering Sea for the OA Projections for Snow, Tanner, and Red King Crab in Alaska project using data collected from 1997-01-01 to 2016-12-31 (NCEI Accession 0248327)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-02-25T00:00:00.000+00:00
This dataset contains model output data to understand the effect of ocean acidification on the snow crab and southern Tanner crab fisheries. A multi-species size-structured population dynamics...
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Search relevance: 36.45 | Views last month: 0
Federal
AFSC/RACE/SAP: Detailed Crab Data From NOAA Fisheries Service 2012 Chukchi Sea Bottom Trawl Surveys
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-05-15T19:16:02.000+00:00
This dataset contains detailed crab data collected from the 2012 NOAA/NMFS/AFSC/RACE crab-groundfish bottom trawl survey of the Chukchi Sea. 71 survey stations were successfully completed during...
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Search relevance: 36.05 | Views last month: 0
Federal
The effects of ocean acidification on hemocyte of crab species in Alaska from laboratory experiment studies from 2011-07-01 to 2013-07-06 (NCEI Accession 0123400)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-10-07T00:00:00.000+00:00
Flow cytometry provides a rapid and reproducible method for analyzing crustacean hemocytes and their functions under experimentally-varied environmental conditions. We used flow cytometry to...
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Search relevance: 34.65 | Views last month: 0

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