Coral calcification mechanisms facilitate adaptive responses to ocean acidification
Ocean acidification (OA) is a pressing threat to reef-building corals, but it remains poorly understood how coral calcification is inhibited by OA and whether corals could acclimatize and/or adapt to OA. Using a novel geochemical approach, we reconstructed the carbonate chemistry of the calcifying f...
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ftpubmed:oai:pubmedcentral.nih.gov:5740286 2023-05-15T17:50:26+02:00 Coral calcification mechanisms facilitate adaptive responses to ocean acidification Schoepf, Verena Jury, Christopher P. Toonen, Robert J. McCulloch, Malcolm T. 2017-12-06 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5740286/ http://www.ncbi.nlm.nih.gov/pubmed/29212728 https://doi.org/10.1098/rspb.2017.2117 en eng The Royal Society http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5740286/ http://www.ncbi.nlm.nih.gov/pubmed/29212728 http://dx.doi.org/10.1098/rspb.2017.2117 © 2017 The Author(s) http://royalsocietypublishing.org/licence Published by the Royal Society. All rights reserved. Global Change and Conservation Text 2017 ftpubmed https://doi.org/10.1098/rspb.2017.2117 2018-12-09T01:07:02Z Ocean acidification (OA) is a pressing threat to reef-building corals, but it remains poorly understood how coral calcification is inhibited by OA and whether corals could acclimatize and/or adapt to OA. Using a novel geochemical approach, we reconstructed the carbonate chemistry of the calcifying fluid in two coral species using both a pH and dissolved inorganic carbon (DIC) proxy (δ11B and B/Ca, respectively). To address the potential for adaptive responses, both species were collected from two sites spanning a natural gradient in seawater pH and temperature, and then subjected to three pHT levels (8.04, 7.88, 7.71) crossed by two temperatures (control, +1.5°C) for 14 weeks. Corals from the site with naturally lower seawater pH calcified faster and maintained growth better under simulated OA than corals from the higher-pH site. This ability was consistently linked to higher pH yet lower DIC values in the calcifying fluid, suggesting that these differences are the result of long-term acclimatization and/or local adaptation to naturally lower seawater pH. Nevertheless, all corals elevated both pH and DIC significantly over seawater values, even under OA. This implies that high pH upregulation combined with moderate levels of DIC upregulation promote resistance and adaptive responses of coral calcification to OA. Text Ocean acidification PubMed Central (PMC) Proceedings of the Royal Society B: Biological Sciences 284 1868 20172117 |
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English |
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Global Change and Conservation |
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Global Change and Conservation Schoepf, Verena Jury, Christopher P. Toonen, Robert J. McCulloch, Malcolm T. Coral calcification mechanisms facilitate adaptive responses to ocean acidification |
topic_facet |
Global Change and Conservation |
description |
Ocean acidification (OA) is a pressing threat to reef-building corals, but it remains poorly understood how coral calcification is inhibited by OA and whether corals could acclimatize and/or adapt to OA. Using a novel geochemical approach, we reconstructed the carbonate chemistry of the calcifying fluid in two coral species using both a pH and dissolved inorganic carbon (DIC) proxy (δ11B and B/Ca, respectively). To address the potential for adaptive responses, both species were collected from two sites spanning a natural gradient in seawater pH and temperature, and then subjected to three pHT levels (8.04, 7.88, 7.71) crossed by two temperatures (control, +1.5°C) for 14 weeks. Corals from the site with naturally lower seawater pH calcified faster and maintained growth better under simulated OA than corals from the higher-pH site. This ability was consistently linked to higher pH yet lower DIC values in the calcifying fluid, suggesting that these differences are the result of long-term acclimatization and/or local adaptation to naturally lower seawater pH. Nevertheless, all corals elevated both pH and DIC significantly over seawater values, even under OA. This implies that high pH upregulation combined with moderate levels of DIC upregulation promote resistance and adaptive responses of coral calcification to OA. |
format |
Text |
author |
Schoepf, Verena Jury, Christopher P. Toonen, Robert J. McCulloch, Malcolm T. |
author_facet |
Schoepf, Verena Jury, Christopher P. Toonen, Robert J. McCulloch, Malcolm T. |
author_sort |
Schoepf, Verena |
title |
Coral calcification mechanisms facilitate adaptive responses to ocean acidification |
title_short |
Coral calcification mechanisms facilitate adaptive responses to ocean acidification |
title_full |
Coral calcification mechanisms facilitate adaptive responses to ocean acidification |
title_fullStr |
Coral calcification mechanisms facilitate adaptive responses to ocean acidification |
title_full_unstemmed |
Coral calcification mechanisms facilitate adaptive responses to ocean acidification |
title_sort |
coral calcification mechanisms facilitate adaptive responses to ocean acidification |
publisher |
The Royal Society |
publishDate |
2017 |
url |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5740286/ http://www.ncbi.nlm.nih.gov/pubmed/29212728 https://doi.org/10.1098/rspb.2017.2117 |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_relation |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5740286/ http://www.ncbi.nlm.nih.gov/pubmed/29212728 http://dx.doi.org/10.1098/rspb.2017.2117 |
op_rights |
© 2017 The Author(s) http://royalsocietypublishing.org/licence Published by the Royal Society. All rights reserved. |
op_doi |
https://doi.org/10.1098/rspb.2017.2117 |
container_title |
Proceedings of the Royal Society B: Biological Sciences |
container_volume |
284 |
container_issue |
1868 |
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20172117 |
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1766157196940279808 |