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Observations of embryo development and larval hatching of snow crabs (Chionoecetes opilio) collected in laboratory experiments for the Physiological Response of Commercially Important Crab Species to Predicted Increases in pCO2 Project in Kodiak, Alaska from 2014-08-06 to 2016-06-16 (NCEI Accession 0259411)

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 the embyro development and hatching of 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. Morphometric changes during development and hatching success were measured for embryos both years and calcification was measured for the adult females at the end of the 2-year experiment. The complete methods, which should be read and understood prior to using this data, have been published 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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0259411 ANIMALS - INDIVIDUAL - MARKS OR TAGS Calcium DISSOLVED INORGANIC CARBON (DIC) Magnesium 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 % Ca % Mg % hatching % non-viable larvae % unhatched eggs Alkalinity DIC Date Egg Area Egg Average Diameter Egg Max Diameter Egg Min Diameter Embryo Area Eye Area Eye Average Diameter Eye Max Diameter Eye Min Diameter Fecundity Percent Area Yolk Salinity Stage Tag Temperature Treatment Yolk Area Yolk Average Diameter Yolk Max Diameter Yolk Min Diameter pH PH METERS > PH METERS

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issued 2022-09-02T00:00:00.000+00:00
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spatial ,,,
temporal 2014-08-06T00:00:00+00:00/2016-06-16T00:00:00+00:00
title Observations of embryo development and larval hatching of snow crabs (Chionoecetes opilio) collected in laboratory experiments for the Physiological Response of Commercially Important Crab Species to Predicted Increases in pCO2 Project in Kodiak, Alaska from 2014-08-06 to 2016-06-16 (NCEI Accession 0259411)

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