Elevated CO2 levels did not induce species- or tissue-specific damage in young-of-year salmonids

© 2023 The Authors. Journal of Aquatic Animal Health published by Wiley Periodicals LLC on behalf of American Fisheries Society.

Détails bibliographiques
Publié dans:Journal of aquatic animal health. - 1998. - 35(2023), 2 vom: 18. Juni, Seite 78-87
Auteur principal: Traynor, Emma M (Auteur)
Autres auteurs: Hasler, Caleb T
Format: Article en ligne
Langue:English
Publié: 2023
Accès à la collection:Journal of aquatic animal health
Sujets:Journal Article Research Support, Non-U.S. Gov't climate change histology physiology Carbon Dioxide 142M471B3J
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245 1 0 |a Elevated CO2 levels did not induce species- or tissue-specific damage in young-of-year salmonids 
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500 |a Citation Status MEDLINE 
520 |a © 2023 The Authors. Journal of Aquatic Animal Health published by Wiley Periodicals LLC on behalf of American Fisheries Society. 
520 |a OBJECTIVE: The broad objective of our study was to use a histological approach to examine possible tissue-level effects of exposure to elevated CO2 in freshwater young-of-year salmonids 
520 |a METHODS: To study these effects, young-of-year Arctic Char Salvelinus alpinus, Rainbow Trout Oncorhynchus mykiss, and Brook Trout S. fontinalis were exposed to either control levels of CO2 (1400 μatm) or elevated levels of CO2 (5236 μatm) for 15 days. Fish were then sampled for gill, liver, and heart tissues and histologically analyzed 
520 |a RESULT: A species effect was observed for the length of secondary lamellae, as Arctic Char had significantly shorter secondary lamellae than the other species. No notable changes within the gills and livers of Arctic Char, Brook Trout, or Rainbow Trout exposed to elevated CO2 were observed 
520 |a CONCLUSION: Generally, our results indicated that elevated CO2 levels over 15 days do not induce catastrophic tissue damage and it is unlikely that fish health would be seriously impacted. Ongoing research dedicated to examining how elevated CO2 long-term may affect internal tissues of fish will allow for a more comprehensive understanding of how fish may fair with ongoing climate change and in aquaculture facilities 
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700 1 |a Hasler, Caleb T  |e verfasserin  |4 aut 
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