2012 APR 16 - (VerticalNews.com) -- "Population geneticists have shown that the effects of local extinction and recolonization on selectively neutral genetic diversity are sensitive to the number of individuals that migrate between groups," scientists writing in the journal Advances in Complex Systems report.

"Here, we employ a spatially explicit metapopulation model to investigate the extent to which the effects of local extinction on selectively neutral cultural diversity and change are sensitive to intergroup cultural transmission - the rate at which cultural variants are transmitted between groups. Our results show that the level of intergroup...

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