Thermal stress reduces pocilloporid coral resilience to ocean acidification by impairing control over calcifying fluid chemistry
The combination of thermal stress and ocean acidification (OA) can more negatively affect coral calcification than an individual stressors, but the mechanism behind this interaction is unknown. We used two independent methods (microelectrode and boron geochemistry) to measure calcifying fluid pH (pH...
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ftarchimer:oai:archimer.ifremer.fr:79846 2023-07-30T04:06:01+02:00 Thermal stress reduces pocilloporid coral resilience to ocean acidification by impairing control over calcifying fluid chemistry Guillermic, Maxence Cameron, Louise P. De Corte, Ilian Misra, Sambuddha Bijma, Jelle De Beer, Dirk Reymond, Claire E. Westphal, Hildegard Ries, Justin B. Eagle, Robert A. 2021-01 application/pdf https://archimer.ifremer.fr/doc/00686/79846/82675.pdf https://archimer.ifremer.fr/doc/00686/79846/82676.pdf https://doi.org/10.1126/sciadv.aba9958 https://archimer.ifremer.fr/doc/00686/79846/ eng eng Amer Assoc Advancement Science https://archimer.ifremer.fr/doc/00686/79846/82675.pdf https://archimer.ifremer.fr/doc/00686/79846/82676.pdf doi:10.1126/sciadv.aba9958 https://archimer.ifremer.fr/doc/00686/79846/ info:eu-repo/semantics/openAccess restricted use Science Advances (2375-2548) (Amer Assoc Advancement Science), 2021-01 , Vol. 7 , N. 2 , P. eaba9958 (18p.) text Article info:eu-repo/semantics/article 2021 ftarchimer https://doi.org/10.1126/sciadv.aba9958 2023-07-18T22:51:10Z The combination of thermal stress and ocean acidification (OA) can more negatively affect coral calcification than an individual stressors, but the mechanism behind this interaction is unknown. We used two independent methods (microelectrode and boron geochemistry) to measure calcifying fluid pH (pH(cf)) and carbonate chemistry of the corals Pocillopora damicornis and Stylophora pistillata grown under various temperature and pCO(2) conditions. Although these approaches demonstrate that they record pH(cf) over different time scales, they reveal that both species can cope with OA under optimal temperatures (28 degrees C) by elevating pH(cf) and aragonite saturation state (Omega(cf)) in support of calcification. At 31 degrees C, neither species elevated these parameters as they did at 28 degrees C and, likewise, could not maintain substantially positive calcification rates under any pH treatment. These results reveal a previously uncharacterized influence of temperature on coral pH(cf) regulation-the apparent mechanism behind the negative interaction between thermal stress and OA on coral calcification. Article in Journal/Newspaper Ocean acidification Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer) Science Advances 7 2 eaba9958 |
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Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer) |
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ftarchimer |
language |
English |
description |
The combination of thermal stress and ocean acidification (OA) can more negatively affect coral calcification than an individual stressors, but the mechanism behind this interaction is unknown. We used two independent methods (microelectrode and boron geochemistry) to measure calcifying fluid pH (pH(cf)) and carbonate chemistry of the corals Pocillopora damicornis and Stylophora pistillata grown under various temperature and pCO(2) conditions. Although these approaches demonstrate that they record pH(cf) over different time scales, they reveal that both species can cope with OA under optimal temperatures (28 degrees C) by elevating pH(cf) and aragonite saturation state (Omega(cf)) in support of calcification. At 31 degrees C, neither species elevated these parameters as they did at 28 degrees C and, likewise, could not maintain substantially positive calcification rates under any pH treatment. These results reveal a previously uncharacterized influence of temperature on coral pH(cf) regulation-the apparent mechanism behind the negative interaction between thermal stress and OA on coral calcification. |
format |
Article in Journal/Newspaper |
author |
Guillermic, Maxence Cameron, Louise P. De Corte, Ilian Misra, Sambuddha Bijma, Jelle De Beer, Dirk Reymond, Claire E. Westphal, Hildegard Ries, Justin B. Eagle, Robert A. |
spellingShingle |
Guillermic, Maxence Cameron, Louise P. De Corte, Ilian Misra, Sambuddha Bijma, Jelle De Beer, Dirk Reymond, Claire E. Westphal, Hildegard Ries, Justin B. Eagle, Robert A. Thermal stress reduces pocilloporid coral resilience to ocean acidification by impairing control over calcifying fluid chemistry |
author_facet |
Guillermic, Maxence Cameron, Louise P. De Corte, Ilian Misra, Sambuddha Bijma, Jelle De Beer, Dirk Reymond, Claire E. Westphal, Hildegard Ries, Justin B. Eagle, Robert A. |
author_sort |
Guillermic, Maxence |
title |
Thermal stress reduces pocilloporid coral resilience to ocean acidification by impairing control over calcifying fluid chemistry |
title_short |
Thermal stress reduces pocilloporid coral resilience to ocean acidification by impairing control over calcifying fluid chemistry |
title_full |
Thermal stress reduces pocilloporid coral resilience to ocean acidification by impairing control over calcifying fluid chemistry |
title_fullStr |
Thermal stress reduces pocilloporid coral resilience to ocean acidification by impairing control over calcifying fluid chemistry |
title_full_unstemmed |
Thermal stress reduces pocilloporid coral resilience to ocean acidification by impairing control over calcifying fluid chemistry |
title_sort |
thermal stress reduces pocilloporid coral resilience to ocean acidification by impairing control over calcifying fluid chemistry |
publisher |
Amer Assoc Advancement Science |
publishDate |
2021 |
url |
https://archimer.ifremer.fr/doc/00686/79846/82675.pdf https://archimer.ifremer.fr/doc/00686/79846/82676.pdf https://doi.org/10.1126/sciadv.aba9958 https://archimer.ifremer.fr/doc/00686/79846/ |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_source |
Science Advances (2375-2548) (Amer Assoc Advancement Science), 2021-01 , Vol. 7 , N. 2 , P. eaba9958 (18p.) |
op_relation |
https://archimer.ifremer.fr/doc/00686/79846/82675.pdf https://archimer.ifremer.fr/doc/00686/79846/82676.pdf doi:10.1126/sciadv.aba9958 https://archimer.ifremer.fr/doc/00686/79846/ |
op_rights |
info:eu-repo/semantics/openAccess restricted use |
op_doi |
https://doi.org/10.1126/sciadv.aba9958 |
container_title |
Science Advances |
container_volume |
7 |
container_issue |
2 |
container_start_page |
eaba9958 |
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