Resistance to ocean acidification in coral reef taxa is not gained by acclimatization

S. Comeau; C. E. Cornwall; Thomas Mario De Carlo; S. S. Doo; R. C. Carpenter; M. T. McCulloch

doi:10.1038/s41558-019-0486-9

Resistance to ocean acidification in coral reef taxa is not gained by acclimatization

S. Comeau, C. E. Cornwall, Thomas Mario De Carlo, S. S. Doo, R. C. Carpenter, M. T. McCulloch

Biological, Environmental Sciences and Engineering

Research output: Contribution to journal › Article › peer-review

62 Scopus citations

Abstract

Ocean acidification (OA) is a major threat to coral reefs, which are built by calcareous species. However, long-term assessments of the impacts of OA are scarce, limiting the understanding of the capacity of corals and coralline algae to acclimatize to high partial pressure of carbon dioxide (pCO2) levels. Species-specific sensitivities to OA are influenced by its impacts on chemistry within the calcifying fluid (CF). Here, we investigate the capacity of multiple coral and calcifying macroalgal species to acclimatize to elevated pCO2 by determining their chemistry in the CF during a year-long experiment. We found no evidence of acclimatization to elevated pCO2 across any of the tested taxa. The effects of increasing seawater pCO2 on the CF chemistry were rapid and persisted until the end of the experiment. Our results show that acclimatization of the CF chemistry does not occur within one year, which confirms the threat of OA for future reef accretion and ecological function.

Original language	English (US)
Pages (from-to)	477-483
Number of pages	7
Journal	Nature Climate Change
Volume	9
Issue number	6
DOIs	https://doi.org/10.1038/s41558-019-0486-9
State	Published - May 27 2019

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: We thank A.-M. Comeau-Nisumaa, J. D’Olivo and P. Edmunds for support for this study. Funding support was as follows: M.T.M. by an ARC Laureate Fellowship (LF120100049) and ARC Centre of Excellence for Coral Reef Studies (CE140100020); S.C. by an ARC DECRA (DE160100668); C.E.C. by ARC Centre of Excellence for Coral Reef Studies (CE140100020) and a Rutherford Discovery Fellowship (Royal Society of New Zealand; RDF-VUW1701); R.C.C. by a National Science Foundation grant OCE 14-15268, the Moorea Coral Reef LTER programme (NSF OCE 12-36905) and from the Gordon and Betty Moore Foundation. The authors also acknowledge the facilities, and scientific and technical assistance, of the University of Western Australia’s Centre for Microscopy, Characterisation and Analysis (CMCA). Research was completed under permits issued by the Haut-commissariat de la République en Polynésie Francaise (DRRT) (Protocole d’Accueil 2015–2016). This is contribution number 286 of the CSUN Marine Biology Program.

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10.1038/s41558-019-0486-9

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title = "Resistance to ocean acidification in coral reef taxa is not gained by acclimatization",

abstract = "Ocean acidification (OA) is a major threat to coral reefs, which are built by calcareous species. However, long-term assessments of the impacts of OA are scarce, limiting the understanding of the capacity of corals and coralline algae to acclimatize to high partial pressure of carbon dioxide (pCO2) levels. Species-specific sensitivities to OA are influenced by its impacts on chemistry within the calcifying fluid (CF). Here, we investigate the capacity of multiple coral and calcifying macroalgal species to acclimatize to elevated pCO2 by determining their chemistry in the CF during a year-long experiment. We found no evidence of acclimatization to elevated pCO2 across any of the tested taxa. The effects of increasing seawater pCO2 on the CF chemistry were rapid and persisted until the end of the experiment. Our results show that acclimatization of the CF chemistry does not occur within one year, which confirms the threat of OA for future reef accretion and ecological function.",

author = "S. Comeau and Cornwall, {C. E.} and {De Carlo}, {Thomas Mario} and Doo, {S. S.} and Carpenter, {R. C.} and McCulloch, {M. T.}",

note = "KAUST Repository Item: Exported on 2020-10-01 Acknowledgements: We thank A.-M. Comeau-Nisumaa, J. D{\textquoteright}Olivo and P. Edmunds for support for this study. Funding support was as follows: M.T.M. by an ARC Laureate Fellowship (LF120100049) and ARC Centre of Excellence for Coral Reef Studies (CE140100020); S.C. by an ARC DECRA (DE160100668); C.E.C. by ARC Centre of Excellence for Coral Reef Studies (CE140100020) and a Rutherford Discovery Fellowship (Royal Society of New Zealand; RDF-VUW1701); R.C.C. by a National Science Foundation grant OCE 14-15268, the Moorea Coral Reef LTER programme (NSF OCE 12-36905) and from the Gordon and Betty Moore Foundation. The authors also acknowledge the facilities, and scientific and technical assistance, of the University of Western Australia{\textquoteright}s Centre for Microscopy, Characterisation and Analysis (CMCA). Research was completed under permits issued by the Haut-commissariat de la R{\'e}publique en Polyn{\'e}sie Francaise (DRRT) (Protocole d{\textquoteright}Accueil 2015–2016). This is contribution number 286 of the CSUN Marine Biology Program.",

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AU - Doo, S. S.

AU - Carpenter, R. C.

AU - McCulloch, M. T.

N1 - KAUST Repository Item: Exported on 2020-10-01 Acknowledgements: We thank A.-M. Comeau-Nisumaa, J. D’Olivo and P. Edmunds for support for this study. Funding support was as follows: M.T.M. by an ARC Laureate Fellowship (LF120100049) and ARC Centre of Excellence for Coral Reef Studies (CE140100020); S.C. by an ARC DECRA (DE160100668); C.E.C. by ARC Centre of Excellence for Coral Reef Studies (CE140100020) and a Rutherford Discovery Fellowship (Royal Society of New Zealand; RDF-VUW1701); R.C.C. by a National Science Foundation grant OCE 14-15268, the Moorea Coral Reef LTER programme (NSF OCE 12-36905) and from the Gordon and Betty Moore Foundation. The authors also acknowledge the facilities, and scientific and technical assistance, of the University of Western Australia’s Centre for Microscopy, Characterisation and Analysis (CMCA). Research was completed under permits issued by the Haut-commissariat de la République en Polynésie Francaise (DRRT) (Protocole d’Accueil 2015–2016). This is contribution number 286 of the CSUN Marine Biology Program.

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N2 - Ocean acidification (OA) is a major threat to coral reefs, which are built by calcareous species. However, long-term assessments of the impacts of OA are scarce, limiting the understanding of the capacity of corals and coralline algae to acclimatize to high partial pressure of carbon dioxide (pCO2) levels. Species-specific sensitivities to OA are influenced by its impacts on chemistry within the calcifying fluid (CF). Here, we investigate the capacity of multiple coral and calcifying macroalgal species to acclimatize to elevated pCO2 by determining their chemistry in the CF during a year-long experiment. We found no evidence of acclimatization to elevated pCO2 across any of the tested taxa. The effects of increasing seawater pCO2 on the CF chemistry were rapid and persisted until the end of the experiment. Our results show that acclimatization of the CF chemistry does not occur within one year, which confirms the threat of OA for future reef accretion and ecological function.

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JO - Nature Climate Change

JF - Nature Climate Change

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Resistance to ocean acidification in coral reef taxa is not gained by acclimatization

Abstract

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Resistance to ocean acidification in coral reef taxa is not gained by acclimatization

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