Pleistocene Niches for Alien Animals
- 15 February 1970
- journal article
- Published by Oxford University Press (OUP) in BioScience
- Vol. 20 (4) , 218-221
- https://doi.org/10.2307/1295128
Abstract
Eleven thousand years ago in North America a major biotic catastrophe resulted in the extinction of 70% of the mammalian megafauna. In the arid Southwest, domestic livestock imperfectly fill the vacated ecological niches. The experimental introduction of modern African animals can be advocated on the grounds that many of the native American mammals were themselves late Pleistocene immigrants from Asia.Keywords
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