Corals concentrate dissolved inorganic carbon to facilitate calcification
This work was supported by the UK Natural Environment Research Council (awards NER/A/S/2003/00473 and NE/G015791/1 to N.A. and A.A.F.; NER/GR3/12021 to A.W.T.). Participation of J.E. and I.C. in this study was supported by DFG project Trion and the Israel Science Foundation (grants 870/05 and 551/10...
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Online Access: | https://hdl.handle.net/10023/7436 https://doi.org/10.1038/ncomms6741 |
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ftstandrewserep:oai:research-repository.st-andrews.ac.uk:10023/7436 2024-06-23T07:55:53+00:00 Corals concentrate dissolved inorganic carbon to facilitate calcification Allison, Nicola Cohen, I. Finch, Adrian Anthony Erez, J. Tudhope, A.W. Edinburgh Ion Microprobe Facility NERC University of St Andrews. School of Earth & Environmental Sciences University of St Andrews. Marine Alliance for Science & Technology Scotland University of St Andrews. Scottish Oceans Institute University of St Andrews. St Andrews Isotope Geochemistry University of St Andrews. Earth and Environmental Sciences 2015-09-10T09:40:02Z 6 2652366 application/pdf https://hdl.handle.net/10023/7436 https://doi.org/10.1038/ncomms6741 eng eng Nature Communications 173619675 71a285d5-cd22-4797-9288-9709bab6c3a6 84923300937 000347180500001 Allison , N , Cohen , I , Finch , A A , Erez , J , Tudhope , A W & Edinburgh Ion Microprobe Facility 2014 , ' Corals concentrate dissolved inorganic carbon to facilitate calcification ' , Nature Communications , vol. 5 , 5741 , pp. 1-6 . https://doi.org/10.1038/ncomms6741 2041-1723 ORCID: /0000-0002-3689-1517/work/38002324 ORCID: /0000-0003-3720-1917/work/42594130 https://hdl.handle.net/10023/7436 doi:10.1038/ncomms6741 NE/G015791/1 NE/I022973/1 GE Environmental Sciences QD Chemistry QH301 Biology QL Zoology BDC R2C SDG 14 - Life Below Water GE QD QH301 QL Journal article 2015 ftstandrewserep https://doi.org/10.1038/ncomms6741 2024-06-11T23:58:14Z This work was supported by the UK Natural Environment Research Council (awards NER/A/S/2003/00473 and NE/G015791/1 to N.A. and A.A.F.; NER/GR3/12021 to A.W.T.). Participation of J.E. and I.C. in this study was supported by DFG project Trion and the Israel Science Foundation (grants 870/05 and 551/10). The sources of dissolved inorganic carbon (DIC) used to produce scleractinian coral skeletons are not understood. Yet this knowledge is essential for understanding coral biomineralization and assessing the potential impacts of ocean acidification on coral reefs. Here we use skeletal boron geochemistry to reconstruct the DIC chemistry of the fluid used for coral calcification. We show that corals concentrate DIC at the calcification site substantially above seawater values and that bicarbonate contributes a significant amount of the DIC pool used to build the skeleton. Corals actively increase the pH of the calcification fluid, decreasing the proportion of DIC present as CO2 and creating a diffusion gradient favouring the transport of molecular CO2 from the overlying coral tissue into the calcification site. Coupling the increases in calcification fluid pH and [DIC] yields high calcification fluid [CO32-] and induces high aragonite saturation states, favourable to the precipitation of the skeleton. Peer reviewed Article in Journal/Newspaper Ocean acidification University of St Andrews: Digital Research Repository Ner ENVELOPE(6.622,6.622,62.612,62.612) Nature Communications 5 1 |
institution |
Open Polar |
collection |
University of St Andrews: Digital Research Repository |
op_collection_id |
ftstandrewserep |
language |
English |
topic |
GE Environmental Sciences QD Chemistry QH301 Biology QL Zoology BDC R2C SDG 14 - Life Below Water GE QD QH301 QL |
spellingShingle |
GE Environmental Sciences QD Chemistry QH301 Biology QL Zoology BDC R2C SDG 14 - Life Below Water GE QD QH301 QL Allison, Nicola Cohen, I. Finch, Adrian Anthony Erez, J. Tudhope, A.W. Edinburgh Ion Microprobe Facility Corals concentrate dissolved inorganic carbon to facilitate calcification |
topic_facet |
GE Environmental Sciences QD Chemistry QH301 Biology QL Zoology BDC R2C SDG 14 - Life Below Water GE QD QH301 QL |
description |
This work was supported by the UK Natural Environment Research Council (awards NER/A/S/2003/00473 and NE/G015791/1 to N.A. and A.A.F.; NER/GR3/12021 to A.W.T.). Participation of J.E. and I.C. in this study was supported by DFG project Trion and the Israel Science Foundation (grants 870/05 and 551/10). The sources of dissolved inorganic carbon (DIC) used to produce scleractinian coral skeletons are not understood. Yet this knowledge is essential for understanding coral biomineralization and assessing the potential impacts of ocean acidification on coral reefs. Here we use skeletal boron geochemistry to reconstruct the DIC chemistry of the fluid used for coral calcification. We show that corals concentrate DIC at the calcification site substantially above seawater values and that bicarbonate contributes a significant amount of the DIC pool used to build the skeleton. Corals actively increase the pH of the calcification fluid, decreasing the proportion of DIC present as CO2 and creating a diffusion gradient favouring the transport of molecular CO2 from the overlying coral tissue into the calcification site. Coupling the increases in calcification fluid pH and [DIC] yields high calcification fluid [CO32-] and induces high aragonite saturation states, favourable to the precipitation of the skeleton. Peer reviewed |
author2 |
NERC University of St Andrews. School of Earth & Environmental Sciences University of St Andrews. Marine Alliance for Science & Technology Scotland University of St Andrews. Scottish Oceans Institute University of St Andrews. St Andrews Isotope Geochemistry University of St Andrews. Earth and Environmental Sciences |
format |
Article in Journal/Newspaper |
author |
Allison, Nicola Cohen, I. Finch, Adrian Anthony Erez, J. Tudhope, A.W. Edinburgh Ion Microprobe Facility |
author_facet |
Allison, Nicola Cohen, I. Finch, Adrian Anthony Erez, J. Tudhope, A.W. Edinburgh Ion Microprobe Facility |
author_sort |
Allison, Nicola |
title |
Corals concentrate dissolved inorganic carbon to facilitate calcification |
title_short |
Corals concentrate dissolved inorganic carbon to facilitate calcification |
title_full |
Corals concentrate dissolved inorganic carbon to facilitate calcification |
title_fullStr |
Corals concentrate dissolved inorganic carbon to facilitate calcification |
title_full_unstemmed |
Corals concentrate dissolved inorganic carbon to facilitate calcification |
title_sort |
corals concentrate dissolved inorganic carbon to facilitate calcification |
publishDate |
2015 |
url |
https://hdl.handle.net/10023/7436 https://doi.org/10.1038/ncomms6741 |
long_lat |
ENVELOPE(6.622,6.622,62.612,62.612) |
geographic |
Ner |
geographic_facet |
Ner |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_relation |
Nature Communications 173619675 71a285d5-cd22-4797-9288-9709bab6c3a6 84923300937 000347180500001 Allison , N , Cohen , I , Finch , A A , Erez , J , Tudhope , A W & Edinburgh Ion Microprobe Facility 2014 , ' Corals concentrate dissolved inorganic carbon to facilitate calcification ' , Nature Communications , vol. 5 , 5741 , pp. 1-6 . https://doi.org/10.1038/ncomms6741 2041-1723 ORCID: /0000-0002-3689-1517/work/38002324 ORCID: /0000-0003-3720-1917/work/42594130 https://hdl.handle.net/10023/7436 doi:10.1038/ncomms6741 NE/G015791/1 NE/I022973/1 |
op_doi |
https://doi.org/10.1038/ncomms6741 |
container_title |
Nature Communications |
container_volume |
5 |
container_issue |
1 |
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1802648658162745344 |