Nannoplankton extinction and origination across the Paleocene-Eocene thermal maximum
Nannoplankton extinction and origination across the Paleocene-Eocene thermal maximum
The Paleocene-Eocene Thermal Maximum (PETM, 55 million years ago) was an interval of global warming and ocean acidification attributed to rapid release and oxidation of buried carbon. We show that the onset of the PETM coincided with a prominent increase in the origination and extinction of calcareous phytoplankton. Yet major perturbation of the surface-water saturation state across the PETM was not detrimental to the survival of most calcareous nannoplankton taxa and did not impart a calcification or ecological bias to the pattern of evolutionary turnover. Instead, the rate of environmental change appears to have driven turnover, preferentially affecting rare taxa living close to their viable limits.
1770-1773
Gibbs, Samantha J.
82dfbcbc-3a8a-40da-8a80-fe7ad83f3110
Bown, Paul R.
773e1a6d-1c12-4e57-af3b-ec981390a64a
Sessa, Jocelyn A.
57305e81-9ae3-4655-a47c-0beeef21689c
Bralower, Timothy J.
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Wilson, Paul A.
f940a9f0-fa5a-4a64-9061-f0794bfbf7c6
15 December 2006
Gibbs, Samantha J.
82dfbcbc-3a8a-40da-8a80-fe7ad83f3110
Bown, Paul R.
773e1a6d-1c12-4e57-af3b-ec981390a64a
Sessa, Jocelyn A.
57305e81-9ae3-4655-a47c-0beeef21689c
Bralower, Timothy J.
8d16a733-85c8-4837-aa95-f070d61494a7
Wilson, Paul A.
f940a9f0-fa5a-4a64-9061-f0794bfbf7c6
Gibbs, Samantha J., Bown, Paul R., Sessa, Jocelyn A., Bralower, Timothy J. and Wilson, Paul A.
(2006)
Nannoplankton extinction and origination across the Paleocene-Eocene thermal maximum.
Science, 314 (5806), .
(doi:10.1126/science.1133902).
Abstract
The Paleocene-Eocene Thermal Maximum (PETM, 55 million years ago) was an interval of global warming and ocean acidification attributed to rapid release and oxidation of buried carbon. We show that the onset of the PETM coincided with a prominent increase in the origination and extinction of calcareous phytoplankton. Yet major perturbation of the surface-water saturation state across the PETM was not detrimental to the survival of most calcareous nannoplankton taxa and did not impart a calcification or ecological bias to the pattern of evolutionary turnover. Instead, the rate of environmental change appears to have driven turnover, preferentially affecting rare taxa living close to their viable limits.
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Published date: 15 December 2006
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Local EPrints ID: 43923
URI: http://eprints.soton.ac.uk/id/eprint/43923
ISSN: 0036-8075
PURE UUID: d280c76e-0070-48e6-a4b6-92c3928b6978
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Date deposited: 02 Feb 2007
Last modified: 16 Mar 2024 03:13
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Contributors
Author:
Samantha J. Gibbs
Author:
Paul R. Bown
Author:
Jocelyn A. Sessa
Author:
Timothy J. Bralower
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