Evaluating the expansion of African species into Europe driven by climate change

Author:

López‐Ramírez Sandro1ORCID,Márquez Ana Luz1ORCID,Real Raimundo1ORCID,Muñoz Antonio‐Román1ORCID

Affiliation:

1. Biogeography, Diversity and Conservation Research Team, Department of Animal Biology, Faculty of Sciences University of Malaga Malaga Spain

Abstract

AbstractAimOngoing climate change is presently influencing the distribution ranges of numerous species, with both range expansions and latitudinal shifts being observed. In southern Europe, a biogeographical border that separates African and European biota, while at the same time acting as a migration bridge for many species, these changes are of particular relevance. This study aimed to analyse the responses of nine typically African birds to climate change to provide information on the ongoing and future occupation of Europe by these species.LocationWestern Palearctic and surrounding areas.MethodsTo this end, the distributions of the species in their native ranges were modelled, both in the present and in future climate scenarios, using their current breeding ranges and a set of topographic and climatic variables. The climatic favourability for the nine species was then combined using fuzzy logic.ResultsThe results showed that southern Europe is highly favourable for our set of African birds, except for Rüppell's Vulture, and future forecasts indicated that this favourability would increase further north, again excluding the African Vulture.Main conclusionsIf the climate continues to warm, further arrivals of individuals are to be expected, increasing the possibility that self‐sustaining populations may become established in southern Europe. Furthermore, new African species may start to occupy this area, with the likelihood of an Africanisation of the European fauna. Considering the role played by southern Europe as a potential focal point for the colonisation of this continent by African species, it is important to track their northward expansion and future spread.

Funder

Ministerio de Educación, Cultura y Deporte

Publisher

Wiley

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