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Why marine phytoplankton calcify

Why marine phytoplankton calcify
Why marine phytoplankton calcify
Calcifying marine phytoplankton - coccolithophores - are some of the most successful yet enigmatic organisms in the ocean, and are at risk from global change. In order to better understand how they will be affected we need to know 'why' coccolithophores calcify. Here we review coccolithophorid evolutionary history, cell biology, and insights from recent experiments to provide a critical assessment of the costs and benefits of calcification. We conclude that calcification has high energy demands, and that coccolithophores might have calcified initially to reduce grazing pressure, but that additional benefits such as protection from photo-damage and viral-bacterial attack further explain their high diversity and broad spectrum ecology. The cost-versusbenefit of these traits is illustrated by novel ecosystem modeling, although conclusive observations are still limited. In the future ocean, the trade-off between changing ecological and physiological costs of calcification and their benefits will ultimately decide how this important group is affected by ocean acidification and global warming.
Coccolithophores, calcification, photosynthesis, trade-offs, ecological and physiological costs and benefits, ecosystem modeling
2375-2548
e1501822
Monteiro, F.M.
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Bach, L.T.
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Brownlee, C.
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Bown, P.
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Rickaby, R.E.M.
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Poulton, A.J.
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Tyrrell, T.
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Beaufort, L.
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Dutkiewicz, S.
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Gibbs, S.
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Gutowska, M.
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Lee, R.B.Y.
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Riebesell, U.
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Young, J.
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Ridgwell, A.
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Monteiro, F.M.
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Bach, L.T.
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Brownlee, C.
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Bown, P.
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Rickaby, R.E.M.
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Poulton, A.J.
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Tyrrell, T.
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Beaufort, L.
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Dutkiewicz, S.
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Gibbs, S.
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Gutowska, M.
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Lee, R.B.Y.
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Riebesell, U.
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Young, J.
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Ridgwell, A.
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Monteiro, F.M., Bach, L.T., Brownlee, C., Bown, P., Rickaby, R.E.M., Poulton, A.J., Tyrrell, T., Beaufort, L., Dutkiewicz, S., Gibbs, S., Gutowska, M., Lee, R.B.Y., Riebesell, U., Young, J. and Ridgwell, A. (2016) Why marine phytoplankton calcify. Science Advances, 2 (7), e1501822. (doi:10.1126/sciadv.1501822).

Record type: Article

Abstract

Calcifying marine phytoplankton - coccolithophores - are some of the most successful yet enigmatic organisms in the ocean, and are at risk from global change. In order to better understand how they will be affected we need to know 'why' coccolithophores calcify. Here we review coccolithophorid evolutionary history, cell biology, and insights from recent experiments to provide a critical assessment of the costs and benefits of calcification. We conclude that calcification has high energy demands, and that coccolithophores might have calcified initially to reduce grazing pressure, but that additional benefits such as protection from photo-damage and viral-bacterial attack further explain their high diversity and broad spectrum ecology. The cost-versusbenefit of these traits is illustrated by novel ecosystem modeling, although conclusive observations are still limited. In the future ocean, the trade-off between changing ecological and physiological costs of calcification and their benefits will ultimately decide how this important group is affected by ocean acidification and global warming.

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ScienceAdvances-D-15-01822_R2_Accepted.pdf - Accepted Manuscript
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More information

Accepted/In Press date: 16 June 2016
e-pub ahead of print date: 13 July 2016
Published date: 13 July 2016
Keywords: Coccolithophores, calcification, photosynthesis, trade-offs, ecological and physiological costs and benefits, ecosystem modeling
Organisations: Ocean and Earth Science, Marine Biogeochemistry, Paleooceanography & Palaeoclimate

Identifiers

Local EPrints ID: 401367
URI: http://eprints.soton.ac.uk/id/eprint/401367
ISSN: 2375-2548
PURE UUID: a745f042-655d-4d73-9d8e-aa1cfb35c826
ORCID for T. Tyrrell: ORCID iD orcid.org/0000-0002-1002-1716

Catalogue record

Date deposited: 11 Oct 2016 08:47
Last modified: 28 Apr 2022 01:40

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Contributors

Author: F.M. Monteiro
Author: L.T. Bach
Author: C. Brownlee
Author: P. Bown
Author: R.E.M. Rickaby
Author: A.J. Poulton
Author: T. Tyrrell ORCID iD
Author: L. Beaufort
Author: S. Dutkiewicz
Author: S. Gibbs
Author: M. Gutowska
Author: R.B.Y. Lee
Author: U. Riebesell
Author: J. Young
Author: A. Ridgwell

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