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Evolution of Social Behavior Through Interpopulation Selection

Gadgil, Madhav (1975) Evolution of Social Behavior Through Interpopulation Selection. In: Proc Natl Acad Sci Unit States Am, 72 (3). pp. 1199-1201.

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Under certain special conditions natural selection can be effective at the level of local populations, or demes. Such interpopulation selection will favor genotypes that reduce the probability of extinction of their parent population even at the cost of a lowered inclusive fitness. Such genotypes may be characterized by altruistic traits only in a viscous population, i.e., in a population in which neighbors tend to be closely related. In a non-viscous population the interpopulation selection will instead favor spiteful traits when the populations are susceptible to extinction through the overutilization of the habitat, and cooperative traits when it is the newly established populations that are in the greatest danger of extinction.

Item Type: Journal Article
Publication: Proc Natl Acad Sci Unit States Am
Publisher: National Academy of Sciences
Additional Information: Copyright of this article belongs to National Academy of Sciences.
Department/Centre: Division of Physical & Mathematical Sciences > Centre for Theoretical Studies (Ceased to exist at the end of 2003)
Date Deposited: 22 Jan 2010 05:23
Last Modified: 19 Sep 2010 05:49
URI: http://eprints.iisc.ac.in/id/eprint/24149

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