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J Theor Biol. 2012 May 7;300:48-56. doi: 10.1016/j.jtbi.2012.01.005. Epub 2012 Jan 20.

Self-organized spatial pattern determines biodiversity in spatial competition.

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Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI, USA.


In a simple cellular automata model it is shown that self-organization of spatial pattern in a community of strong competitors may generate a previously unrecognized mechanism of species richness determination. Employing some well-known general properties of interspecific competition, we elaborate a theoretical framework that generates both spatial mosaics and spiral waves within the same conceptual framework, dependent on the covariance of competition. We demonstrate that the qualitative nature of the spatial pattern depends on the "balance" of competition and that the number of species retained in the community depends on this spatial patterning.

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