Variable food alters responses of larval crown-of-thorns starfish to ocean warming but not acidification.
Journal
Communications biology
ISSN: 2399-3642
Titre abrégé: Commun Biol
Pays: England
ID NLM: 101719179
Informations de publication
Date de publication:
14 06 2023
14 06 2023
Historique:
received:
08
11
2022
accepted:
08
06
2023
medline:
16
6
2023
pubmed:
15
6
2023
entrez:
14
6
2023
Statut:
epublish
Résumé
Phytoplankton abundance is decreasing and becoming more variable as the ocean climate changes. We examine how low, high, and variable phytoplankton food supply affected the survival, development, and growth of larval crown-of-thorns starfish, Acanthaster sp. exposed to combined warming (26, 30 °C) and acidification (pH 8.0, 7.6). Larvae fed a low food ration are smaller, and develop slower and with more abnormalities than larvae fed a high ration. Larvae fed a variable food supply (low, followed by high ration) overcome the negative effects of low food on development rate and occurrence of abnormalities, but are 16-17% smaller than larvae fed the high ration continuously. Acidification (pH 7.6) slows growth and development and increases abnormalities regardless of the food regime. Warming slows growth and development, but these effects are mitigated by high food availability. As tropical oceans warm, the success of crown-of-thorns starfish larvae may depend on the abundance of their phytoplankton prey.
Identifiants
pubmed: 37316528
doi: 10.1038/s42003-023-05028-1
pii: 10.1038/s42003-023-05028-1
pmc: PMC10267210
doi:
Banques de données
Dryad
['10.5061/dryad.msbcc2g2f']
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
639Informations de copyright
© 2023. The Author(s).
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