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The stability of forest biodiversity
被引:0
|作者:
Igor Volkov
Jayanth R. Banavar
Amos Maritan
Stephen P. Hubbell
机构:
[1] 104 Davey Laboratory,Department of Physics
[2] Pennsylvania State University,Dipartimento di Fisica ‘G. Galilei’
[3] Universita di Padova and INFM 35131 Padova,Department of Plant Biology
[4] and Abdus Salam International Center for Theoretical Physics,undefined
[5] University of Georgia,undefined
[6] Smithsonian Tropical Research Institute,undefined
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摘要:
The unified neutral theory of biodiversity and biogeography1 provides a dynamic null hypothesis for the assembly of natural communities. It is also useful for understanding the influence of speciation, extinction, dispersal and ecological drift on patterns of relative species abundance, species–area relationships and phylogeny. Clark and McLachlan2 argue that neutral drift is inconsistent with the palaeorecord of stability in fossil pollen assemblages of the Holocene forests of southern Canada. We show here that their analysis is based on a partial misunderstanding of neutral theory and that their data alone cannot unambiguously test its validity.
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页码:696 / 696
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