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You are here: Home / Library / RBINS Staff Publications / Where do adaptive shifts occur during invasion? A multidisciplinary approach to unravelling cold adaptation in a tropical ant species invading the Mediterranean area

O. Rey, A. Estoup, M. Vonshak, A. Loiseau, S. Blanchet, L. Calcaterra, L. Chifflet, J. P. Rossi, G. J. Kergoat, J. Foucaud, J. Orivel, M. Leponce, T. Schultz and B. Facon (2012)

Where do adaptive shifts occur during invasion? A multidisciplinary approach to unravelling cold adaptation in a tropical ant species invading the Mediterranean area

Ecology Letters, 15(11):1266-75.

Evolution may improve the invasiveness of populations, but it often remains unclear whether key adaptation events occur after introduction into the recipient habitat (i.e. post-introduction adaptation scenario), or before introduction within the native range (i.e. prior-adaptation scenario) or at a primary site of invasion (i.e. bridgehead scenario). We used a multidisciplinary approach to determine which of these three scenarios underlies the invasion of the tropical ant Wasmannia auropunctata in a Mediterranean region (i.e. Israel). Species distribution models (SDM), phylogeographical analyses at a broad geographical scale and laboratory experiments on appropriate native and invasive populations indicated that Israeli populations followed an invasion scenario in which adaptation to cold occurred at the southern limit of the native range before dispersal to Israel. We discuss the usefulness of combining SDM, genetic and experimental approaches for unambiguous determination of eco-evolutionary invasion scenarios.

Peer Review, Impact Factor, International Redaction Board, RBINS Collection(s)
Physiological Animals Ants/genetics/*physiology Biological Evolution Cold Temperature *Introduced Species Mediterranean Region Models, *Adaptation, Theoretical Population Dynamics
Rey, Olivier Estoup, Arnaud Vonshak, Merav Loiseau, Anne Blanchet, Simon Calcaterra, Luis Chifflet, Lucila Rossi, Jean-Pierre Kergoat, Gael J Foucaud, Julien Orivel, Jerome Leponce, Maurice Schultz, Ted Facon, Benoit England Ecol Lett. 2012 Nov;15(11):1266-75. doi: 10.1111/j.1461-0248.2012.01849.x. Epub 2012 Aug 21.
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