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Impacts of ocean acidification and altered prey fatty acids on the early development of northern rock sole (Lepidopsetta polyxystra) larvae from laboratory experiment studies from 2019-03-11 to 2019-04-23 (NCEI Accession 0306213)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Catalog Last Checked: August 03, 2026 at 05:06 AM | Dataset Last Updated: July 16, 2025 at 12:00 AM
This dataset contains laboratory experiment data that were collected to examine the effects of ocean acidification and altered prey fatty acids on the early development of northern rock sole, Lepidopsetta polyxystra. Ocean acidification (OA) is predicted to affect the physiological rates of larval fish and invertebrates and is also expected to significantly impact marine fisheries through alteration of food webs. We examined whether mortality rates, body size, and condition of first-feeding larval northern rock sole were synergistically influenced by prey quality (essential fatty acids, EFAs) and high carbon dioxide (CO2) exposure. Larvae were exposed to ambient and high CO2 levels (~ 330 vs. 1020 µatm) and were fed diets with balanced or unbalanced EFA ratios for 7 weeks immediately following hatch. After 2 weeks, significant effects from CO2 and diet were observed, with the largest larvae occurring in the high CO2 exposure group that received a balanced EFA diet. After 5 weeks of exposure, the effects of elevated CO2 had a diminished impact on larval size, but larvae reared on the balanced EFA diet maintained higher lipid-based condition metrics than those fed an unbalanced EFA diet. Survival was variable across replicate tanks and not significantly different between treatments. This study suggests that L. polyxystra larvae are most vulnerable to OA and food web change at different points in their development. Further understanding of these ecosystem effects will be required to predict the impacts of OA on northern rock sole fisheries.

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0306213 ARAGONITE SATURATION STATE DISSOLVED INORGANIC CARBON (DIC) DISSOLVED OXYGEN lipids partial pressure of carbon dioxide - water pH SALINITY

Complete Metadata
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accessLevel non-public
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describedByType application/octet-steam
description This dataset contains laboratory experiment data that were collected to examine the effects of ocean acidification and altered prey fatty acids on the early development of northern rock sole, Lepidopsetta polyxystra. Ocean acidification (OA) is predicted to affect the physiological rates of larval fish and invertebrates and is also expected to significantly impact marine fisheries through alteration of food webs. We examined whether mortality rates, body size, and condition of first-feeding larval northern rock sole were synergistically influenced by prey quality (essential fatty acids, EFAs) and high carbon dioxide (CO2) exposure. Larvae were exposed to ambient and high CO2 levels (~ 330 vs. 1020 µatm) and were fed diets with balanced or unbalanced EFA ratios for 7 weeks immediately following hatch. After 2 weeks, significant effects from CO2 and diet were observed, with the largest larvae occurring in the high CO2 exposure group that received a balanced EFA diet. After 5 weeks of exposure, the effects of elevated CO2 had a diminished impact on larval size, but larvae reared on the balanced EFA diet maintained higher lipid-based condition metrics than those fed an unbalanced EFA diet. Survival was variable across replicate tanks and not significantly different between treatments. This study suggests that L. polyxystra larvae are most vulnerable to OA and food web change at different points in their development. Further understanding of these ecosystem effects will be required to predict the impacts of OA on northern rock sole fisheries.
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identifier https://data.noaa.gov/waf/NOAA/NESDIS/ncei/accessions/iso/xml/0306213.xml
issued 2025-07-15T00:00:00.000+00:00
keyword 
[
  "0306213",
  "ARAGONITE SATURATION STATE",
  "DISSOLVED INORGANIC CARBON (DIC)",
  "DISSOLVED OXYGEN",
  "lipids",
  "partial pressure of carbon dioxide - water",
  "pH",
  "SALINITY",
  "SPECIES IDENTIFICATION - AGE",
  "SPECIES IDENTIFICATION - DRY WEIGHT",
  "total alkalinity",
  "WATER TEMPERATURE",
  "carbon dioxide (CO2) gas analyzer",
  "chromatograph",
  "oxygen sensor",
  "pH sensor",
  "temperature sensor",
  "biological",
  "chemical",
  "laboratory experiments",
  "physical",
  "survey - biological",
  "NOAA Alaska Fisheries Science Center",
  "Oregon State University",
  "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)",
  "North Pacific Ocean",
  "West Coast - US/Canada",
  "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",
  "NOAA Ocean Acidification Program (OAP)",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > ALKALINITY",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CARBON DIOXIDE",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CARBONATE",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > INORGANIC CARBON",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > OXYGEN",
  "EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PH",
  "EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE",
  "EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY",
  "Laboratory experiment",
  "14_0",
  "16_0",
  "16_1w7",
  "18_0",
  "18_1w7",
  "18_1w9",
  "18_2w6",
  "18_3w3",
  "20_1w9",
  "20_2w6",
  "20_4w6",
  "20_5w3",
  "22_5w3",
  "22_5w6",
  "22_6w3",
  "Age_weeks",
  "Bottle_ID",
  "CO2",
  "CO2_trt",
  "DIC",
  "DO",
  "DPH",
  "DWT_FFA",
  "DWT_PL",
  "DWT_ST",
  "DWT_TAG",
  "DWT_Total",
  "DWT_sd",
  "Date",
  "Diet",
  "Diet_enrichment",
  "Diets_Type",
  "Experiment",
  "Life_stage",
  "Lipid Sample ID",
  "Perc_FFA",
  "Perc_PL",
  "Perc_ST",
  "Perc_TAG",
  "SL_sd",
  "Salinity",
  "Sample ID",
  "Sample Type",
  "TA",
  "TAG_ST",
  "Temp",
  "Time",
  "Weeks",
  "calcCO2",
  "calcO Ar",
  "calcpH",
  "count",
  "h2oDQ",
  "mean_DWT",
  "mean_SL",
  "per_larvae_FFA",
  "per_larvae_PL",
  "per_larvae_ST",
  "per_larvae_TAG",
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  "CO2 ANALYZERS > CO2 ANALYZERS",
  "GAS CHROMATOGRAPHS > GAS CHROMATOGRAPHS",
  "OXYGEN METERS > OXYGEN METERS",
  "PH METERS > PH METERS",
  "TEMPERATURE SENSORS > TEMPERATURE SENSORS",
  "OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN",
  "NOAA AFSC Laboratory",
  "Newport",
  "Oregon"
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landingPage https://www.ncei.noaa.gov/contact
language 
[]
license https://creativecommons.org/publicdomain/zero/1.0/
modified 2025-07-16T00:00:00.000+00:00
publisher 
{
  "name": "NOAA National Centers for Environmental Information",
  "@type": "org:Organization"
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references 
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rights otherRestrictions
spatial -124.043955,44.621316,-124.043955,44.621316
temporal 2019-03-11T00:00:00+00:00/2019-04-23T00:00:00+00:00
theme 
[
  "geospatial"
]
title Impacts of ocean acidification and altered prey fatty acids on the early development of northern rock sole (Lepidopsetta polyxystra) larvae from laboratory experiment studies from 2019-03-11 to 2019-04-23 (NCEI Accession 0306213)

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