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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)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: January 29, 2026 | Last Modified: 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. Early benthic instar crabs were randomly assigned to one of three pH treatments: (1) surface ambient pH ~ 8.2, (2) likely in situ ambient pH 7.8, and (3) pH 7.5. Thirty crabs were held in individual inserts in each treatment for one year and checked daily for molting or death. The complete methods, which should be read and understood prior to using this data, are published as: Long, W. C., Van Sant, S. B., Swiney, K. M., and Foy, R. 2017. Survival, growth, and morphology of blue king crabs: Effect of ocean acidification decreases with exposure time. ICES Journal of Marine Science, 74: 1033-1041, https://doi.org/10.1093/icesjms/fsw197.

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0247437 ANIMALS - INDIVIDUAL - MASS CRUSTACEANS DISSOLVED INORGANIC CARBON (DIC) pH SALINITY total alkalinity WATER TEMPERATURE calipers coulometer for DIC measurement pH sensor salinometer scale temperature sensor biological chemical laboratory experiments physical survey - biological NOAA Alaska Fisheries Science Center NOAA Alaska Fisheries Science Center Ocean Carbon and Acidification Data System (OCADS) US DOC; NOAA; Office of Oceanic and Atmospheric Research; Ocean Acidification Program (OAP) Gulf of Alaska oceanography DOC/NOAA/NMFS/AFSC > Alaska Fisheries Science Center, National Marine Fisheries Service, NOAA, U.S. Department of Commerce Ocean Acidification Program (OAP) Ocean Carbon and Acidification Data System (OCADS) Project EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > ANIMALS/INVERTEBRATES > ARTHROPODS > CRUSTACEANS EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > ALKALINITY EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > INORGANIC CARBON EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PH EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY Laboratory experiment Blue king crab Paralithodes platypus Alkalinity CL CW DIC Date of Death Date_Molt Insert Mass Molt OW RW SL Salinity Temperature Treatment pH COULOMETERS PH METERS > PH METERS SALINOMETERS TEMPERATURE SENSORS > TEMPERATURE SENSORS OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN > GULF OF ALASKA Bering Sea Kodiak Laboratory

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