Spatial aspects of interspecific competition

Rick Durrett, Simon Asher Levin

Research output: Contribution to journalArticlepeer-review

217 Scopus citations


Using several variants of a stochastic spatial model introduced by Silvertown et al., we investigate the effect of spatial distribution of individuals on the outcome of competition. First, we prove rigorously that if one species has a competitive advantage over each of the others, then eventually it takes over all the sites in the system. Second, we examine tradeoffs between competition and dispersal distance in a two-species system. Third, we consider a cyclic competitive relationship between three types. In this case, a nonspatial treatment leads to densities that follow neutrally stable cycles or even unstable spiral solutions, while a spatial model yields a stationary distribution with an interesting spatial structure.

Original languageEnglish (US)
Pages (from-to)30-43
Number of pages14
JournalTheoretical Population Biology
Issue number1
StatePublished - Feb 1998

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics


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