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Observations of larval snow crab (Chionoecetes opilio) survival and conditions in laboratory experiments for the Physiological Response of Commercially Important Crab Species to Predicted Increases in pCO2 Project in Kodiak, Alaska from 2015-04-20 to 2016-06-13 (NCEI Accession 0259404)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: January 29, 2026 | Last Modified: 2022-09-16T00:00:00.000+00:00
In this study, we examined how CO2-driven acidification affected larval survival and condition in snow crab (Chionoecetes opilio), an important fishery species in Alaska. Ovigerous females were held in one of three treatments: ambient pH (~8.1), pH 7.8, and pH 7.5, through two annual reproductive cycles. Experiments on the effects of reduced pH on morphology; starvation survival; mass; and Ca, Mg, C, and N contents of the larvae were conducted in a design that fully crossed maternal treatment (pH at which the ovigerous females were held during embryo development) and larval treatment (which were the same 3 pH treatments). The complete methods, which should be read and understood prior to using this data, are under review as: Long, W.C., Swiney, K.M., Foy, R.J., 2023. Direct, carryover, and maternal effects of ocean acidification on snow crab embryos and larvae. PLOS ONE 18(10), e0276360. https://doi.org/10.1371/journal.pone.0276360

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0259404 ANIMALS - INDIVIDUAL - COUNTS ANIMALS - INDIVIDUAL - MASS ANIMALS - INDIVIDUAL - PHYSICAL CHARACTERISTICS Calcium Carbon content of specimen DISSOLVED INORGANIC CARBON (DIC) INDIVIDUAL FISH EXAMINATION - LENGTH Magnesium Nitrogen content of specimen pH SALINITY survival estimates total alkalinity WATER TEMPERATURE pH 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) 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 > BIOSPHERE > ECOLOGICAL DYNAMICS > SPECIES/POPULATION INTERACTIONS > SURVIVAL RATES EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY 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 Chionoecetes opilio snow crab # Alive % C % Ca % Mg % N Alkalinity Carapace width DIC Date Dorsal spine length Insert Larval Treatment Lateral spine length Mass Maternal Treatment Protopodite length Rostral spine length Rostro-dorsal length Salinity Temperature Time Year pH PH METERS > PH METERS

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identifier gov.noaa.nodc:0259404
issued 2022-09-01T00:00:00.000+00:00
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spatial ,,,
temporal 2015-04-20T00:00:00+00:00/2016-06-13T00:00:00+00:00
title Observations of larval snow crab (Chionoecetes opilio) survival and conditions in laboratory experiments for the Physiological Response of Commercially Important Crab Species to Predicted Increases in pCO2 Project in Kodiak, Alaska from 2015-04-20 to 2016-06-13 (NCEI Accession 0259404)

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