Effects of biodiversity on the functioning of trophic groups and ecosystems

Bradley J. Cardinale (), Diane S. Srivastava, J. Emmett Duffy, Justin P. Wright, Amy L. Downing, Mahesh Sankaran and Claire Jouseau
Additional contact information
Bradley J. Cardinale: University of California at Santa Barbara
Diane S. Srivastava: University of British Columbia
J. Emmett Duffy: The College of William and Mary
Justin P. Wright: Duke University
Amy L. Downing: Ohio Wesleyan University
Mahesh Sankaran: University of Leeds
Claire Jouseau: Columbia University

Nature, 2006, vol. 443, issue 7114, 989-992

Abstract: Species loss and productivity The question of whether species extinction alters the productivity of communities and ecosystem function is the subject of heated controversy. Work performed in the 1990s suggested that species loss can reduce productivity of communities and their efficiency in capturing and consuming limited resources. The interpretation of these studies was disputed, and subsequent work produced counter-examples that question the generality of biodiversity effects. Now Cardinale et al. report a meta-analysis of experimental studies of species diversity and ecological function. They conclude that species loss does impair ecological functioning, but that the magnitude of the effect depends on which species are actually lost.

Date: 2006
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DOI: 10.1038/nature05202

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