Reduced genetic diversity and increased reproductive isolation follow population-level loss of larval dispersal in a marine gastropod.

Abstract excerpt

Population-level consequences of dispersal ability remain poorly understood, especially for marine animals in which dispersal is typically considered a species-level trait governed by oceanographic transport of microscopic larvae. Transitions from dispersive (planktotrophic) to nondispersive, aplanktonic larvae are predicted to reduce connectivity, genetic diversity within populations, and the spatial scale at...

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