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).

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Description/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.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1126/science.1090592
ISSNs: 0036-8075 (print)
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ePrint ID: 35592
Date :
Date Event
2004Published
Date Deposited: 22 May 2006
Last Modified: 16 Apr 2017 22:08
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/35592

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