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Commentaire de Bernard Dugué

sur L'erreur de Darwin sur l'adaptation d'espèces invasives


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Bernard Dugué Bernard Dugué 9 mars 2011 09:36

Une théorie n’est qu’une hypothèse prouvée pour faire simple
La préadaptation est aussi une hypothèse de Cuénot (à laquelle je souscris)
autre hypothèse, JL ne lit pas les articles

AbstractDarwin’s naturalization hypothesis predicts that the success of alien invaders will decrease with increasing taxonomic similarity to the native community. Alternatively, shared traits between aliens and the native assemblage may preadapt aliens to their novel surroundings, thereby facilitating establishment (the preadaptation hypothesis). Here we examine successful and failed introductions of amphibian species across the globe and find that the probability of successful establishment is higher when congeneric species are present at introduction locations and increases with increasing congener species richness.


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