Spontaneous genetic clustering in populations of competing organisms

Tim Rogers, Alan J. McKane, Axel G. Rossberg

Research output: Contribution to journalArticle

15 Citations (Scopus)
130 Downloads (Pure)

Abstract

We introduce and analyse an individual-based evolutionary model, in which a population of genetically diverse organisms compete with each other for limited resources. Through theoretical analysis and stochastic simulations, we show that the model exhibits a pattern-forming instability which is highly amplified by the effects of demographic noise, leading to the spontaneous formation of genotypic clusters. This mechanism supports the thesis that stochasticity has a central role in the formation and coherence of species.
Original languageEnglish
Article number066002
Number of pages9
JournalPhysical Biology
Volume9
Issue number6
DOIs
Publication statusPublished - 2012

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