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Science 3 April 2009:
Vol. 324. no. 5923, pp. 42 - 43
DOI: 10.1126/science.1172393
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Perspectives

ECOLOGY:
The Forgotten Megafauna

Dennis M. Hansen1 and Mauro Galetti1,2

An expanded megafauna concept elucidates how extinctions of the largest vertebrates in any ecosystem have similar effects.

1Department of Biology, 371 Serra Mall, Stanford University, Stanford, CA 94305, USA. E-mail: dmhansen{at}stanford.edu

2UNESP-São Paulo State University, Department of Ecology, Rio Claro, São Paulo, Brazil 13506-900.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)