Spontaneous genetic clustering in populations of competing organisms

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

doi:10.1088/1478-3975/9/6/066002

Spontaneous genetic clustering in populations of competing organisms

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

^*Corresponding author for this work

Fisheries and Aquaculture Science (Cefas)

Research output: Contribution to journal › Article › peer-review

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 language	English
Article number	066002
Pages (from-to)	1-8
Number of pages	8
Journal	Physical Biology
Volume	9
Issue number	6
DOIs	https://doi.org/10.1088/1478-3975/9/6/066002
Publication status	Published - Dec 2012

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10.1088/1478-3975/9/6/066002

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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.",

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Spontaneous genetic clustering in populations of competing organisms

Abstract

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