Modelling coral calcification accounting for the impacts of coral bleaching and ocean acidification
Coral reefs are diverse ecosystems that are threatened by rising CO 2 levels through increases in sea surface temperature and ocean acidification. Here we present a new unified model that links changes in temperature and carbonate chemistry to coral health. Changes in coral health and population are...
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Online Access: | https://doi.org/10.5194/bg-12-2607-2015 http://ecite.utas.edu.au/118487 |
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ftunivtasecite:oai:ecite.utas.edu.au:118487 2023-05-15T17:49:54+02:00 Modelling coral calcification accounting for the impacts of coral bleaching and ocean acidification Evenhuis, C Lenton, AA Cantin, NE Lough, JM 2015 application/pdf https://doi.org/10.5194/bg-12-2607-2015 http://ecite.utas.edu.au/118487 en eng Copernicus GmbH http://ecite.utas.edu.au/118487/1/118487 - modelling coral calficiation.pdf http://dx.doi.org/10.5194/bg-12-2607-2015 Evenhuis, C and Lenton, AA and Cantin, NE and Lough, JM, Modelling coral calcification accounting for the impacts of coral bleaching and ocean acidification, Biogeosciences, 12, (9) pp. 2607-2630. ISSN 1726-4170 (2015) [Refereed Article] http://ecite.utas.edu.au/118487 Environmental Sciences Ecological Applications Ecological Impacts of Climate Change Refereed Article PeerReviewed 2015 ftunivtasecite https://doi.org/10.5194/bg-12-2607-2015 2019-12-13T22:17:50Z Coral reefs are diverse ecosystems that are threatened by rising CO 2 levels through increases in sea surface temperature and ocean acidification. Here we present a new unified model that links changes in temperature and carbonate chemistry to coral health. Changes in coral health and population are explicitly modelled by linking rates of growth, recovery and calcification to rates of bleaching and temperature-stress-induced mortality. The model is underpinned by four key principles: the Arrhenius equation, thermal specialisation, correlated up- and down-regulation of traits that are consistent with resource allocation trade-offs, and adaption to local environments. These general relationships allow this model to be constructed from a range of experimental and observational data. The performance of the model is assessed against independent data to demonstrate how it can capture the observed response of corals to stress. We also provide new insights into the factors that determine calcification rates and provide a framework based on well-known biological principles to help understand the observed global distribution of calcification rates. Our results suggest that, despite the implicit complexity of the coral reef environment, a simple model based on temperature, carbonate chemistry and different species can give insights into how corals respond to changes in temperature and ocean acidification. Article in Journal/Newspaper Ocean acidification eCite UTAS (University of Tasmania) Biogeosciences 12 9 2607 2630 |
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Open Polar |
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eCite UTAS (University of Tasmania) |
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ftunivtasecite |
language |
English |
topic |
Environmental Sciences Ecological Applications Ecological Impacts of Climate Change |
spellingShingle |
Environmental Sciences Ecological Applications Ecological Impacts of Climate Change Evenhuis, C Lenton, AA Cantin, NE Lough, JM Modelling coral calcification accounting for the impacts of coral bleaching and ocean acidification |
topic_facet |
Environmental Sciences Ecological Applications Ecological Impacts of Climate Change |
description |
Coral reefs are diverse ecosystems that are threatened by rising CO 2 levels through increases in sea surface temperature and ocean acidification. Here we present a new unified model that links changes in temperature and carbonate chemistry to coral health. Changes in coral health and population are explicitly modelled by linking rates of growth, recovery and calcification to rates of bleaching and temperature-stress-induced mortality. The model is underpinned by four key principles: the Arrhenius equation, thermal specialisation, correlated up- and down-regulation of traits that are consistent with resource allocation trade-offs, and adaption to local environments. These general relationships allow this model to be constructed from a range of experimental and observational data. The performance of the model is assessed against independent data to demonstrate how it can capture the observed response of corals to stress. We also provide new insights into the factors that determine calcification rates and provide a framework based on well-known biological principles to help understand the observed global distribution of calcification rates. Our results suggest that, despite the implicit complexity of the coral reef environment, a simple model based on temperature, carbonate chemistry and different species can give insights into how corals respond to changes in temperature and ocean acidification. |
format |
Article in Journal/Newspaper |
author |
Evenhuis, C Lenton, AA Cantin, NE Lough, JM |
author_facet |
Evenhuis, C Lenton, AA Cantin, NE Lough, JM |
author_sort |
Evenhuis, C |
title |
Modelling coral calcification accounting for the impacts of coral bleaching and ocean acidification |
title_short |
Modelling coral calcification accounting for the impacts of coral bleaching and ocean acidification |
title_full |
Modelling coral calcification accounting for the impacts of coral bleaching and ocean acidification |
title_fullStr |
Modelling coral calcification accounting for the impacts of coral bleaching and ocean acidification |
title_full_unstemmed |
Modelling coral calcification accounting for the impacts of coral bleaching and ocean acidification |
title_sort |
modelling coral calcification accounting for the impacts of coral bleaching and ocean acidification |
publisher |
Copernicus GmbH |
publishDate |
2015 |
url |
https://doi.org/10.5194/bg-12-2607-2015 http://ecite.utas.edu.au/118487 |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_relation |
http://ecite.utas.edu.au/118487/1/118487 - modelling coral calficiation.pdf http://dx.doi.org/10.5194/bg-12-2607-2015 Evenhuis, C and Lenton, AA and Cantin, NE and Lough, JM, Modelling coral calcification accounting for the impacts of coral bleaching and ocean acidification, Biogeosciences, 12, (9) pp. 2607-2630. ISSN 1726-4170 (2015) [Refereed Article] http://ecite.utas.edu.au/118487 |
op_doi |
https://doi.org/10.5194/bg-12-2607-2015 |
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Biogeosciences |
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12 |
container_issue |
9 |
container_start_page |
2607 |
op_container_end_page |
2630 |
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1766156426573512704 |