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Abiotic forcing of plankton evolution in the Cenozoic

Schmidt, D.N., Thierstein, H.R., Bollmann, J. and Schiebel, R. (2004) Abiotic forcing of plankton evolution in the Cenozoic Science, 303, (5655), pp. 207-210. (doi:10.1126/science.1090592).

Record type: Article

Abstract

We characterize the evolutionary radiation of planktic foraminifera by the test size distributions of entire assemblages in more than 500 Cenozoic marine sediment samples, including more than 1 million tests. Calibration of Holocene size patterns with environmental parameters and comparisons with Cenozoic paleoproxy data show a consistently positive correlation between test size and surface-water stratification intensity. We infer that the observed macroevolutionary increase in test size of planktic foraminifera through the Cenozoic was an adaptive response to intensifying surface-water stratification in low latitudes, which was driven by polar cooling.

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Published date: 2004

Identifiers

Local EPrints ID: 35592
URI: http://eprints.soton.ac.uk/id/eprint/35592
ISSN: 0036-8075
PURE UUID: be0e72b9-48c0-4d30-9987-796ad27980b1

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Date deposited: 22 May 2006
Last modified: 17 Jul 2017 15:47

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Contributors

Author: D.N. Schmidt
Author: H.R. Thierstein
Author: J. Bollmann
Author: R. Schiebel

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