Calcifying algae maintain settlement cues to larval abalone following algal exposure to extreme ocean acidification

Abstract Ocean acidification (OA) increasingly threatens marine systems, and is especially harmful to calcifying organisms. One important question is whether OA will alter species interactions. Crustose coralline algae (CCA) provide space and chemical cues for larval settlement. CCA have shown stron...

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Autores principales:	Jennifer K. O’Leary, James P. Barry, Paul W. Gabrielson, Laura Rogers-Bennett, Donald C. Potts, Stephen R. Palumbi, Fiorenza Micheli
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/67ecaf5af43f4e81b7df5c0be10333b7
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spelling	oai:doaj.org-article:67ecaf5af43f4e81b7df5c0be10333b72021-12-02T16:07:03ZCalcifying algae maintain settlement cues to larval abalone following algal exposure to extreme ocean acidification10.1038/s41598-017-05502-x2045-2322https://doaj.org/article/67ecaf5af43f4e81b7df5c0be10333b72017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-05502-xhttps://doaj.org/toc/2045-2322Abstract Ocean acidification (OA) increasingly threatens marine systems, and is especially harmful to calcifying organisms. One important question is whether OA will alter species interactions. Crustose coralline algae (CCA) provide space and chemical cues for larval settlement. CCA have shown strongly negative responses to OA in previous studies, including disruption of settlement cues to corals. In California, CCA provide cues for seven species of harvested, threatened, and endangered abalone. We exposed four common CCA genera and a crustose calcifying red algae, Peyssonnelia (collectively CCRA) from California to three pCO2 levels ranging from 419–2,013 µatm for four months. We then evaluated abalone (Haliotis rufescens) settlement under ambient conditions among the CCRA and non-algal controls that had been previously exposed to the pCO2 treatments. Abalone settlement and metamorphosis increased from 11% in the absence of CCRA to 45–69% when CCRA were present, with minor variation among CCRA genera. Though all CCRA genera reduced growth during exposure to increased pCO2, abalone settlement was unaffected by prior CCRA exposure to increased pCO2. Thus, we find no impacts of OA exposure history on CCRA provision of settlement cues. Additionally, there appears to be functional redundancy in genera of CCRA providing cues to abalone, which may further buffer OA effects.Jennifer K. O’LearyJames P. BarryPaul W. GabrielsonLaura Rogers-BennettDonald C. PottsStephen R. PalumbiFiorenza MicheliNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-10 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jennifer K. O’Leary James P. Barry Paul W. Gabrielson Laura Rogers-Bennett Donald C. Potts Stephen R. Palumbi Fiorenza Micheli Calcifying algae maintain settlement cues to larval abalone following algal exposure to extreme ocean acidification
description	Abstract Ocean acidification (OA) increasingly threatens marine systems, and is especially harmful to calcifying organisms. One important question is whether OA will alter species interactions. Crustose coralline algae (CCA) provide space and chemical cues for larval settlement. CCA have shown strongly negative responses to OA in previous studies, including disruption of settlement cues to corals. In California, CCA provide cues for seven species of harvested, threatened, and endangered abalone. We exposed four common CCA genera and a crustose calcifying red algae, Peyssonnelia (collectively CCRA) from California to three pCO2 levels ranging from 419–2,013 µatm for four months. We then evaluated abalone (Haliotis rufescens) settlement under ambient conditions among the CCRA and non-algal controls that had been previously exposed to the pCO2 treatments. Abalone settlement and metamorphosis increased from 11% in the absence of CCRA to 45–69% when CCRA were present, with minor variation among CCRA genera. Though all CCRA genera reduced growth during exposure to increased pCO2, abalone settlement was unaffected by prior CCRA exposure to increased pCO2. Thus, we find no impacts of OA exposure history on CCRA provision of settlement cues. Additionally, there appears to be functional redundancy in genera of CCRA providing cues to abalone, which may further buffer OA effects.
format	article
author	Jennifer K. O’Leary James P. Barry Paul W. Gabrielson Laura Rogers-Bennett Donald C. Potts Stephen R. Palumbi Fiorenza Micheli
author_facet	Jennifer K. O’Leary James P. Barry Paul W. Gabrielson Laura Rogers-Bennett Donald C. Potts Stephen R. Palumbi Fiorenza Micheli
author_sort	Jennifer K. O’Leary
title	Calcifying algae maintain settlement cues to larval abalone following algal exposure to extreme ocean acidification
title_short	Calcifying algae maintain settlement cues to larval abalone following algal exposure to extreme ocean acidification
title_full	Calcifying algae maintain settlement cues to larval abalone following algal exposure to extreme ocean acidification
title_fullStr	Calcifying algae maintain settlement cues to larval abalone following algal exposure to extreme ocean acidification
title_full_unstemmed	Calcifying algae maintain settlement cues to larval abalone following algal exposure to extreme ocean acidification
title_sort	calcifying algae maintain settlement cues to larval abalone following algal exposure to extreme ocean acidification
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/67ecaf5af43f4e81b7df5c0be10333b7
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_version_	1718384779657740288

Calcifying algae maintain settlement cues to larval abalone following algal exposure to extreme ocean acidification

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