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Rapid evolution of dispersal ability makes biological invasions faster and more variable [Nature Communications]

Keywords : evolutionary ecology, experimental evolution, invasive species, population dynamics

par Frédéric Magné - publié le

Genetic variation in dispersal ability may result in the spatial sorting of alleles during range expansion. Recent theory suggests that spatial sorting can favour the rapid evolution of life history traits at expanding fronts, and therefore modify the ecological dynamics of range expansion. Here we test this prediction by disrupting spatial sorting in replicated invasions of the bean beetle Callosobruchus maculatus across homogeneous experimental landscapes.(...)

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