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Occupancy, spatial variance, and the abundance of species

By F. He and K.J. Gaston


A notable and consistent ecological observation known for\ud a long time is that spatial variance in the abundance of a\ud species increases with its mean abundance and that this relationship typically conforms well to a simple\ud power law (Taylor 1961). Indeed, such models can be\ud used at a spectrum of spatial scales to describe spatial\ud variance in the abundance of a single species at different\ud times or in different regions and of different species across the same set of areas (Taylor et al. 1978; Taylor and Woiwod 1982)

Publisher: The University of Chicago Press
Year: 2003
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