Coccolithophore calcification response to past ocean acidification and climate change
Anthropogenic carbon dioxide emissions are forcing rapid ocean chemistry changes and causing ocean acidification (OA), which is of particular significance for calcifying organisms, including planktonic coccolithophores. Detailed analysis of coccolithophore skeletons enables comparison of calcite pro...
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ftsouthampton:oai:eprints.soton.ac.uk:468584 2023-08-27T04:11:18+02:00 Coccolithophore calcification response to past ocean acidification and climate change O'Dea, Sarah A. Gibbs, Samantha Brown, Paul R. Young, Jeremy R. Poulton, Alex J Newsam, Cherry Wilson, Paul 2014 https://eprints.soton.ac.uk/468584/ English eng O'Dea, Sarah A., Gibbs, Samantha, Brown, Paul R., Young, Jeremy R., Poulton, Alex J, Newsam, Cherry and Wilson, Paul (2014) Coccolithophore calcification response to past ocean acidification and climate change. Nature Communications, 5, [5363]. (doi:10.1038/ncomms6363 <http://dx.doi.org/10.1038/ncomms6363>). Article PeerReviewed 2014 ftsouthampton https://doi.org/10.1038/ncomms6363 2023-08-03T22:25:57Z Anthropogenic carbon dioxide emissions are forcing rapid ocean chemistry changes and causing ocean acidification (OA), which is of particular significance for calcifying organisms, including planktonic coccolithophores. Detailed analysis of coccolithophore skeletons enables comparison of calcite production in modern and fossil cells in order to investigate biomineralization response of ancient coccolithophores to climate change. Here we show that the two dominant coccolithophore taxa across the Paleocene–Eocene Thermal Maximum (PETM) OA global warming event (~56 million years ago) exhibited morphological response to environmental change and both showed reduced calcification rates. However, only Coccolithus pelagicus exhibits a transient thinning of coccoliths, immediately before the PETM, that may have been OA-induced. Changing coccolith thickness may affect calcite production more significantly in the dominant modern species Emiliania huxleyi, but, overall, these PETM records indicate that the environmental factors that govern taxonomic composition and growth rate will most strongly influence coccolithophore calcification response to anthropogenic change. Article in Journal/Newspaper Ocean acidification University of Southampton: e-Prints Soton Nature Communications 5 1 |
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Open Polar |
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University of Southampton: e-Prints Soton |
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ftsouthampton |
language |
English |
description |
Anthropogenic carbon dioxide emissions are forcing rapid ocean chemistry changes and causing ocean acidification (OA), which is of particular significance for calcifying organisms, including planktonic coccolithophores. Detailed analysis of coccolithophore skeletons enables comparison of calcite production in modern and fossil cells in order to investigate biomineralization response of ancient coccolithophores to climate change. Here we show that the two dominant coccolithophore taxa across the Paleocene–Eocene Thermal Maximum (PETM) OA global warming event (~56 million years ago) exhibited morphological response to environmental change and both showed reduced calcification rates. However, only Coccolithus pelagicus exhibits a transient thinning of coccoliths, immediately before the PETM, that may have been OA-induced. Changing coccolith thickness may affect calcite production more significantly in the dominant modern species Emiliania huxleyi, but, overall, these PETM records indicate that the environmental factors that govern taxonomic composition and growth rate will most strongly influence coccolithophore calcification response to anthropogenic change. |
format |
Article in Journal/Newspaper |
author |
O'Dea, Sarah A. Gibbs, Samantha Brown, Paul R. Young, Jeremy R. Poulton, Alex J Newsam, Cherry Wilson, Paul |
spellingShingle |
O'Dea, Sarah A. Gibbs, Samantha Brown, Paul R. Young, Jeremy R. Poulton, Alex J Newsam, Cherry Wilson, Paul Coccolithophore calcification response to past ocean acidification and climate change |
author_facet |
O'Dea, Sarah A. Gibbs, Samantha Brown, Paul R. Young, Jeremy R. Poulton, Alex J Newsam, Cherry Wilson, Paul |
author_sort |
O'Dea, Sarah A. |
title |
Coccolithophore calcification response to past ocean acidification and climate change |
title_short |
Coccolithophore calcification response to past ocean acidification and climate change |
title_full |
Coccolithophore calcification response to past ocean acidification and climate change |
title_fullStr |
Coccolithophore calcification response to past ocean acidification and climate change |
title_full_unstemmed |
Coccolithophore calcification response to past ocean acidification and climate change |
title_sort |
coccolithophore calcification response to past ocean acidification and climate change |
publishDate |
2014 |
url |
https://eprints.soton.ac.uk/468584/ |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_relation |
O'Dea, Sarah A., Gibbs, Samantha, Brown, Paul R., Young, Jeremy R., Poulton, Alex J, Newsam, Cherry and Wilson, Paul (2014) Coccolithophore calcification response to past ocean acidification and climate change. Nature Communications, 5, [5363]. (doi:10.1038/ncomms6363 <http://dx.doi.org/10.1038/ncomms6363>). |
op_doi |
https://doi.org/10.1038/ncomms6363 |
container_title |
Nature Communications |
container_volume |
5 |
container_issue |
1 |
_version_ |
1775353955621011456 |