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Title: | Climate change promotes hybridisation between deeply divergent species | Authors: | Canestrelli, Daniele Bisconti, Roberta Chiocchio, A. Maiorano, Luigi Zampiglia, Mauro Nascetti, Giuseppe |
Journal: | PEERJ | Issue Date: | 2017 | Abstract: | Rare hybridisations between deeply divergent animal species have been reported for decades in a wide range of taxa, but have often remained unexplained, mainly considered chance events and reported as anecdotal. Here, we combine field observations with long-term data concerning natural hybridisations, climate, land-use, and field-validated species distribution models for two deeply divergent and naturally sympatric toad species in Europe (Bufo bufo and Bufotes viridis species groups). We show that climate warming and seasonal extreme temperatures are conspiring to set the scene for these maladaptive hybridisations, by differentially affecting life-history traits of both species. Our results identify and provide evidence of an ultimate cause for such events, and reveal that the potential influence of climate change on interspecific hybridisations goes far beyond closely related species. Furthermore, climate projections suggest that the chances for these events will steadily increase in the near future. |
URI: | http://hdl.handle.net/2067/52704 | ISSN: | 2167-8359 | DOI: | 10.7717/peerj.3072 | Rights: | Attribution-NonCommercial 4.0 International |
Appears in Collections: | A1. Articolo in rivista |
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