Supplementary material from "Coral calcifying fluid pH is modulated by seawater carbonate chemistry not solely seawater pH"
Reef coral calcification depends on regulation of pH in the internal calcifying fluid (CF) in which the coral skeleton forms. However, little is known about calcifying fluid pH (pH CF ) regulation, despite its importance in determining the response of corals to ocean acidification. Here, we investig...
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ftdatacite:10.6084/m9.figshare.c.3649919 2023-05-15T17:51:25+02:00 Supplementary material from "Coral calcifying fluid pH is modulated by seawater carbonate chemistry not solely seawater pH" S. Comeau E. Tambutté R. C. Carpenter P. J. Edmunds N. R. Evensen D. Allemand C. Ferrier-Pagès S. Tambutté A. Venn 2016 https://dx.doi.org/10.6084/m9.figshare.c.3649919 https://figshare.com/collections/Supplementary_material_from_Coral_calcifying_fluid_pH_is_modulated_by_seawater_carbonate_chemistry_not_solely_seawater_pH_/3649919 unknown Figshare https://dx.doi.org/10.1098/rspb.2016.1669 CC BY https://creativecommons.org/licenses/by/4.0 CC-BY Environmental Science Collection article 2016 ftdatacite https://doi.org/10.6084/m9.figshare.c.3649919 https://doi.org/10.1098/rspb.2016.1669 2021-11-05T12:55:41Z Reef coral calcification depends on regulation of pH in the internal calcifying fluid (CF) in which the coral skeleton forms. However, little is known about calcifying fluid pH (pH CF ) regulation, despite its importance in determining the response of corals to ocean acidification. Here, we investigate pH CF in the coral Stylophora pistillata in seawater maintained at constant pH with manipulated carbonate chemistry to alter dissolved inorganic carbon (DIC) concentration, and therefore total alkalinity (A T ). We also investigate the intracellular pH of calcifying cells, photosynthesis, respiration and calcification rates under the same conditions. Our results show that despite constant pH in the surrounding seawater, pH CF is sensitive to shifts in carbonate chemistry associated with changes in [DIC] and [A T ], revealing that seawater pH is not the sole driver of pH CF . Notably, when we synthesize our results with published data, we identify linear relationships of pH CF with the seawater [DIC]/[H + ] ratio, [A T ]/ [H + ] ratio and [CO 3 2- ]. Our findings contribute new insights into the mechanisms determining the sensitivity of coral calcification to changes in seawater carbonate chemistry, which is needed for predicting effects of environmental change on coral reefs and for robust interpretations of isotopic palaeoenvironmental records in coral skeletons. Article in Journal/Newspaper Ocean acidification DataCite Metadata Store (German National Library of Science and Technology) |
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Environmental Science |
spellingShingle |
Environmental Science S. Comeau E. Tambutté R. C. Carpenter P. J. Edmunds N. R. Evensen D. Allemand C. Ferrier-Pagès S. Tambutté A. Venn Supplementary material from "Coral calcifying fluid pH is modulated by seawater carbonate chemistry not solely seawater pH" |
topic_facet |
Environmental Science |
description |
Reef coral calcification depends on regulation of pH in the internal calcifying fluid (CF) in which the coral skeleton forms. However, little is known about calcifying fluid pH (pH CF ) regulation, despite its importance in determining the response of corals to ocean acidification. Here, we investigate pH CF in the coral Stylophora pistillata in seawater maintained at constant pH with manipulated carbonate chemistry to alter dissolved inorganic carbon (DIC) concentration, and therefore total alkalinity (A T ). We also investigate the intracellular pH of calcifying cells, photosynthesis, respiration and calcification rates under the same conditions. Our results show that despite constant pH in the surrounding seawater, pH CF is sensitive to shifts in carbonate chemistry associated with changes in [DIC] and [A T ], revealing that seawater pH is not the sole driver of pH CF . Notably, when we synthesize our results with published data, we identify linear relationships of pH CF with the seawater [DIC]/[H + ] ratio, [A T ]/ [H + ] ratio and [CO 3 2- ]. Our findings contribute new insights into the mechanisms determining the sensitivity of coral calcification to changes in seawater carbonate chemistry, which is needed for predicting effects of environmental change on coral reefs and for robust interpretations of isotopic palaeoenvironmental records in coral skeletons. |
format |
Article in Journal/Newspaper |
author |
S. Comeau E. Tambutté R. C. Carpenter P. J. Edmunds N. R. Evensen D. Allemand C. Ferrier-Pagès S. Tambutté A. Venn |
author_facet |
S. Comeau E. Tambutté R. C. Carpenter P. J. Edmunds N. R. Evensen D. Allemand C. Ferrier-Pagès S. Tambutté A. Venn |
author_sort |
S. Comeau |
title |
Supplementary material from "Coral calcifying fluid pH is modulated by seawater carbonate chemistry not solely seawater pH" |
title_short |
Supplementary material from "Coral calcifying fluid pH is modulated by seawater carbonate chemistry not solely seawater pH" |
title_full |
Supplementary material from "Coral calcifying fluid pH is modulated by seawater carbonate chemistry not solely seawater pH" |
title_fullStr |
Supplementary material from "Coral calcifying fluid pH is modulated by seawater carbonate chemistry not solely seawater pH" |
title_full_unstemmed |
Supplementary material from "Coral calcifying fluid pH is modulated by seawater carbonate chemistry not solely seawater pH" |
title_sort |
supplementary material from "coral calcifying fluid ph is modulated by seawater carbonate chemistry not solely seawater ph" |
publisher |
Figshare |
publishDate |
2016 |
url |
https://dx.doi.org/10.6084/m9.figshare.c.3649919 https://figshare.com/collections/Supplementary_material_from_Coral_calcifying_fluid_pH_is_modulated_by_seawater_carbonate_chemistry_not_solely_seawater_pH_/3649919 |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_relation |
https://dx.doi.org/10.1098/rspb.2016.1669 |
op_rights |
CC BY https://creativecommons.org/licenses/by/4.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.6084/m9.figshare.c.3649919 https://doi.org/10.1098/rspb.2016.1669 |
_version_ |
1766158564984881152 |