Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/34283
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Type: Journal article
Title: Explaining the Pleistocene megafaunal extinctions: Models, chronologies, and assumptions
Author: Brook, B.
Bowman, D.
Citation: Proceedings of the National Academy of Sciences of the United States of America, 2002; 99(23):14624-14627
Publisher: Natl Acad Sciences
Issue Date: 2002
ISSN: 0027-8424
1091-6490
Statement of
Responsibility: 
Barry W. Brook and David M. J. S. Bowman
Abstract: Understanding of the Pleistocene megafaunal extinctions has been advanced recently by the application of simulation models and new developments in geochronological dating. Together these have been used to posit a rapid demise of megafauna due to over-hunting by invading humans. However, we demonstrate that the results of these extinction models are highly sensitive to implicit assumptions concerning the degree of prey naivety to human hunters. In addition, we show that in Greater Australia, where the extinctions occurred well before the end of the last Ice Age (unlike the North American situation), estimates of the duration of coexistence between humans and megafauna remain imprecise. Contrary to recent claims, the existing data do not prove the "blitzkrieg" model of overkill.
Keywords: Animals; Humans; Death; Confidence Intervals; Predatory Behavior; Time; Paleontology; Fossils; Australia
Description: Copyright © 2002 by the National Academy of Sciences
RMID: RQF0000069
DOI: 10.1073/pnas.232126899
Published version: http://www.pnas.org/cgi/content/abstract/99/23/14624
Appears in Collections:Earth and Environmental Sciences publications
Environment Institute Leaders publications

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