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Article

An alpine plant shows no decrease in genetic diversity associated with rapid post-glacial range expansion.

American journal of botany - 1 Dec 2025

Urquhart-Cronish Mackenzie, Berg Colette S, Moxley Dylan, Rahn Olivia J, Fishman Lila, Angert Amy L

Abstract excerpt

PREMISE: While range expansion is hypothesized to be a mechanism for species persistence under climate change, many eco-evolutionary models describe demographic and genetic processes during expansion that may increase genetic drift, decrease genetic variation, and ultimately decrease relative fitness at the leading edge. These predictions assume dispersal occurs from the low-density leading edge during...

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PMID: 41392371
DOI: 10.1002/ajb2.70128
PMCID: PMC12712769

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