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J Theor Biol. 2002 Aug 7;217(3):275-85.

Coexistence of sexual and asexual conspecifics: a cellular automaton model.

Author information

1
Centre for Mathematical Biology, University of Bath, Bath, BA2 7AY, UK. mapcc@maths.bath.ac.uk

Abstract

Most previous models of populations mixed for reproductive mode have omitted important local interactions between sexual and asexual individuals. We propose a cellular automaton model where local rules focus on fertilization and colonization. This model produces rich sets of data which are then studied by means of spatial statistics. Results point to the fixation of one of the two reproductive modes in the landscape. However, some examples of coexistence of sexual and asexual conspecifics over long periods of time are also found. This model is an example of a CA that diverges from its mean field approximation. The formation of sexual and asexual clusters reduces effective colonization rate in the CA and may account for this behaviour.

PMID:
12270274
DOI:
10.1006/jtbi.2002.3039
[Indexed for MEDLINE]

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