ArticleJournal of comparative physiology. B, Biochemical, systemic, and environmental physiology2015
Ocean warming and acidification modulate energy budget and gill ion regulatory mechanisms in Atlantic cod (Gadus morhua).
Article in Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed, 50 citations in OpenAlex.
- Environmental effects and metabolic regulation in juvenile Selenotoca multifasciata: experimental assessment across temperature, salinity and pH gradients.Fish physiology and biochemistry · 2026Article
- Crude extract of cyanobacterium (Radiocystis fernandoi) triggers primary osmoregulatory impairment in the gills of nile tilapia (Oreochromis niloticus).Ecotoxicology (London, England) · 2026Article
- Physiological responses of Atlantic cod to climate change indicate that coastal ecotypes may be better adapted to tolerate ocean stressors.Scientific reports · 2024Article
- Gradual increase of temperature trigger metabolic and oxidative responses in plasma and body tissues in the Antarctic fish Notothenia rossii.Fish physiology and biochemistry · 2022Article
- Ocean acidification promotes broad transcriptomic responses in marine metazoans: a literature survey.Frontiers in zoology · 2020Review
- Evaluation of the i-STAT (portable clinical analyser) for measuring haematological parameters in Atlantic cod (Gadus morhua) at different COFish physiology and biochemistry · 2019Article
- FishResp: R package and GUI application for analysis of aquatic respirometry data.Conservation physiology · 2019Article
- Aerobic capacities and swimming performance of polar cod (The Journal of experimental biology · 2018Article
- Water bicarbonate modulates the response of the shore crab Carcinus maenas to ocean acidification.Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2018Article
- Impact of Ocean Acidification on the Energy Metabolism and Antioxidant Responses of the Yesso Scallop (Frontiers in physiology · 2018Article
- Elevated pCOFrontiers in physiology · 2018Article
- Growth performance and survival of larval Atlantic herring, under the combined effects of elevated temperatures and CO2.PloS one · 2018Article
- Life on the edge: O2 binding in Atlantic cod red blood cells near their southern distribution limit is not sensitive to temperature or haemoglobin genotype.The Journal of experimental biology · 2017Article
- Bioenergetic trade-offs in the sea cucumber Apostichopus japonicus (Echinodermata: Holothuroidea) in response to CO2-driven ocean acidification.Environmental science and pollution research international · 2016Article
- Temperature Modulates the Effects of Ocean Acidification on Intestinal Ion Transport in Atlantic Cod, Gadus morhua.Frontiers in physiology · 2016Article
- Are global warming and ocean acidification conspiring against marine ectotherms? A meta-analysis of the respiratory effects of elevated temperature, high CO2 and their interaction.Conservation physiology · 2016Article
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Authors and funding
7 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Ocean warming and acidification are threatening marine ecosystems. In marine animals, acidification is thought to enhance ion regulatory costs and thereby baseline energy demand, while elevated temperature also increases baseline metabolic rate. Here we investigated standard metabolic rates (SMR) and plasma parameters of Atlantic cod (Gadus morhua) after 3-4 weeks of exposure to ambient and future PCO2 levels (550, 1200 and 2200 µatm) and at two temperatures (10, 18 °C). In vivo branchial ion regulatory costs were studied in isolated, perfused gill preparations. Animals reared at 18 °C responded to increasing CO2 by elevating SMR, in contrast to specimens at 10 °C. Isolated gills at 10 °C and elevated PCO2 (≥1200 µatm) displayed increased soft tissue mass, in parallel to increased gill oxygen demand, indicating an increased fraction of gill in whole animal energy budget. Altered gill size was not found at 18 °C, where a shift in the use of ion regulation mechanisms occurred towards enhanced Na(+)/H(+)-exchange and HCO3 (-) transport at high PCO2 (2200 µatm), paralleled by higher Na(+)/K(+)-ATPase activities. This shift did not affect total gill energy consumption leaving whole animal energy budget unaffected. Higher Na(+)/K(+)-ATPase activities in the warmth might have compensated for enhanced branchial permeability and led to reduced plasma Na(+) and/or Cl(-) concentrations and slightly lowered osmolalities seen at 18 °C and 550 or 2200 µatm PCO2 in vivo. Overall, the gill as a key ion regulation organ seems to be highly effective in supporting the resilience of cod to effects of ocean warming and acidification.
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