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Evolution of the Earliest Horses Driven by Climate Change in the Paleocene-Eocene Thermal Maximum

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dc.contributor.author Secord, Ross en
dc.contributor.author Bloch, Jonathan I. en
dc.contributor.author Chester, Stephen G. B. en
dc.contributor.author Boyer, Doug M. en
dc.contributor.author Wood, Aaron R. en
dc.contributor.author Wing, Scott L. en
dc.contributor.author Kraus, Mary J. en
dc.contributor.author McInerney, Francesca A. en
dc.contributor.author Krigbaum, John en
dc.date.accessioned 2012-03-16T18:47:22Z
dc.date.available 2012-03-16T18:47:22Z
dc.date.issued 2012
dc.identifier.citation Secord, Ross, Bloch, Jonathan I., Chester, Stephen G. B., Boyer, Doug M., Wood, Aaron R., Wing, Scott L., Kraus, Mary J., McInerney, Francesca A., and Krigbaum, John. 2012. "<a href="https://repository.si.edu/handle/10088/18193">Evolution of the Earliest Horses Driven by Climate Change in the Paleocene-Eocene Thermal Maximum</a>." <em>Science</em>. 335 (6071):959&ndash;962. <a href="https://doi.org/10.1126/science.1213859">https://doi.org/10.1126/science.1213859</a> en
dc.identifier.issn 0036-8075
dc.identifier.uri http://hdl.handle.net/10088/18193
dc.description.abstract Body size plays a critical role in mammalian ecology and physiology. Previous research has shown that many mammals became smaller during the Paleocene-Eocene Thermal Maximum (PETM), but the timing and magnitude of that change relative to climate change have been unclear. A high-resolution record of continental climate and equid body size change shows a directional size decrease of ~30% over the first ~130,000 years of the PETM, followed by a ~76% increase in the recovery phase of the PETM. These size changes are negatively correlated with temperature inferred from oxygen isotopes in mammal teeth and were probably driven by shifts in temperature and possibly high atmospheric CO2 concentrations. These findings could be important for understanding mammalian evolutionary responses to future global warming. en
dc.relation.ispartof Science en
dc.title Evolution of the Earliest Horses Driven by Climate Change in the Paleocene-Eocene Thermal Maximum en
dc.type Journal Article en
dc.identifier.srbnumber 110105
dc.identifier.doi 10.1126/science.1213859
rft.jtitle Science
rft.volume 335
rft.issue 6071
rft.spage 959
rft.epage 962
dc.description.SIUnit NH-Paleobiology en
dc.description.SIUnit NMNH en
dc.description.SIUnit Peer-reviewed en
dc.citation.spage 959
dc.citation.epage 962


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