Plio-Pleistocene environmental variability in Africa and its implications for mammalian evolution-Reference-Cited by-同舟云学术

Plio-Pleistocene environmental variability in Africa and its implications for mammalian evolution

Published:2022-04-11 Issue:16 Volume:119 Page:
ISSN:0027-8424
Container-title:Proceedings of the National Academy of Sciences
language:en
Short-container-title:Proc. Natl. Acad. Sci. U.S.A.

Author:

Cohen Andrew S.¹^ORCID,Du Andrew²^ORCID,Rowan John³^ORCID,Yost Chad L.⁴^ORCID,Billingsley Anne L.¹,Campisano Christopher J.⁵^ORCID,Brown Erik T.⁶⁷^ORCID,Deino Alan L.⁸,Feibel Craig S.⁹^ORCID,Grant Katharine¹⁰^ORCID,Kingston John D.¹¹^ORCID,Lupien Rachel L.¹²^ORCID,Muiruri Veronica¹³^ORCID,Owen R. Bernhart¹⁴^ORCID,Reed Kaye E.⁵,Russell James¹⁵,Stockhecke Mona⁶

Affiliation:

1. Department of Geosciences, University of Arizona, Tucson, AZ 85721

2. Department of Anthropology & Geography, Colorado State University, Fort Collins, CO 80523

3. Department of Anthropology, University at Albany, Albany, NY 12222

4. Department of Earth & Environmental Systems, Indiana State University, Terre Haute, IN 47809

5. School of Human Evolution & Social Change, Institute of Human Origins, Arizona State University, Tempe, AZ 85287

6. Large Lakes Observatory, University of Minnesota Duluth, Duluth, MN 55812

7. Department of Earth and Environmental Sciences, University of Minnesota Duluth, MN 55812

8. 40Ar/39Ar Laboratory, Berkeley Geochronology Center, Berkeley, CA 94709

9. Department of Earth and Planetary Sciences, Rutgers University, Piscataway, NJ 08854

10. Research School of Earth Sciences, Australian National University, Canberra, ACT 2601, Australia

11. Department of Anthropology, University of Michigan, Ann Arbor, MI 48109

12. Division of Biology and Paleo Environment, Lamont Doherty Earth Observatory, Columbia University, Palisades, NY 10964

13. Earth Sciences Department, National Museums of Kenya, Nairobi, 00100, Kenya

14. Department of Geography, Hong Kong Baptist University, Hong Kong

15. Department of Earth Environmental and Planetary Sciences, Brown University, Providence, RI 02912

Abstract

Significance We have developed an Africa-wide synthesis of paleoenvironmental variability over the Plio-Pleistocene. We show that there is strong evidence for orbital forcing of variability during this time that is superimposed on a longer trend of increasing environmental variability, supporting a combination of both low- and high-latitude drivers of variability. We combine these results with robust estimates of mammalian speciation and extinction rates and find that variability is not significantly correlated with these rates. These findings do not currently support a link between environmental variability and turnover and thus fail to corroborate predictions derived from the variability selection hypothesis.

Funder

National Science Foundation

Hong Kong Research Grants Council

Australia Research Council

Publisher

Proceedings of the National Academy of Sciences

Subject

Multidisciplinary

Link

https://pnas.org/doi/pdf/10.1073/pnas.2107393119

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