The Tangled Evolutionary Legacies of Range Expansion and Hybridization

Daniele Canestrelli, Daniele Porretta, Winsor H. Lowe, Roberta Bisconti, Claudio Carere, Giuseppe Nascetti

Research output: Contribution to journalReview articlepeer-review

52 Scopus citations


Spatial sorting of dispersal-enhancing traits has been implicated in substantial directional changes in the phenotypic and genotypic makeup of populations undergoing range expansion. We explore here the evolutionary consequences of such changes when two divergent lineages come into secondary contact. We combine instances from the study of contemporary range expansions and historical hybridizations, and highlight links between dispersal, sexual, and physiological traits during the non-equilibrium conditions imposed by range expansions. We argue that a stronger research focus on processes of spatial sorting of multiple traits will improve our understanding of subsequent hybridization dynamics and their evolutionary outcomes, including genomic introgression and speciation.

Original languageEnglish
Pages (from-to)677-688
Number of pages12
JournalTrends in Ecology and Evolution
Issue number9
StatePublished - Sep 1 2016


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