Migration pulsedness alters patterns of allele fixation and local adaptation in a mainland-island model.

Abstract excerpt

Geneflow across populations is a critical determinant of population genetic structure, divergence, and local adaptation. While evolutionary theory typically envisions geneflow as a continuous connection among populations, many processes make it fluctuating and intermittent. We analyze a mainland-island model where migration occurs as recurrent "pulses." We derive mathematical predictions regarding how the level...

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