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Type: Journal article
Title: Abrupt warming events drove Late Pleistocene Holarctic megafaunal turnover
Author: Cooper, A.
Turney, C.
Hughen, K.
Brook, B.
McDonald, H.
Bradshaw, C.
Citation: Science, 2015; 349(6248):602-606
Publisher: American Association for the Advancement of Science
Issue Date: 2015
ISSN: 0036-8075
Statement of
Alan Cooper, Chris Turney, Konrad A. Hughen, Barry W. Brook, H. Gregory McDonald, Corey J. A. Bradshaw
Abstract: The mechanisms of Late Pleistocene megafauna extinctions remain fiercely contested, with human impact or climate change cited as principal drivers. We compared ancient DNA and radiocarbon data from 31 detailed time series of regional megafaunal extinctions and replacements over the past 56,000 years with standard and new combined records of Northern Hemisphere climate in the Late Pleistocene. Unexpectedly, rapid climate changes associated with interstadial warming events are strongly associated with the regional replacement or extinction of major genetic clades or species of megafauna. The presence of many cryptic biotic transitions before the Pleistocene/Holocene boundary revealed by ancient DNA confirms the importance of climate change in megafaunal population extinctions and suggests that metapopulation structures necessary to survive such repeated and rapid climatic shifts were susceptible to human impacts.
Keywords: Animals
History, Ancient
Extinction, Biological
Global Warming
Rights: © Authors
DOI: 10.1126/science.aac4315
Grant ID: ARC
Appears in Collections:Aurora harvest 2
Genetics publications

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