3 documents found, page 1 of 1
Landscape and Climatic Variations Shaped Secondary Contacts amid Barn Owls of t...
Cumer, Tristan; Machado, Ana Paula; Dumont, Guillaume; Bontzorlos, Vasileios; Ceccherelli, Renato; Lourenço, Rui; Roque, InêsThe combined actions of climatic variations and landscape barriers shape the history of natural populations. When organisms follow their shifting niches, obstacles in the landscape can lead to the splitting of populations, on which evolution will then act independently. When two such populations are reunited, secondary contact occurs in a broad range of admixture patterns, from narrow hybrid zones to the comple...
Unexpected post-glacial colonisation route explains the white colour of barn ow...
Machado, Ana Paula; Cumer, Tristan; Iseli, Christian; Beaudoing, Emmanuel; Ducrest, Anne-Lyse; Dupasquier, Melanie; Lourenço, RuiThe climate fluctuations of the Quaternary shaped the movement of species in and out of glacial refugia. In Europe, the majority of species followed one of the described traditional postglacial recolonization routes from the southern peninsulas towards the north. Like most organisms, barn owls are assumed to have colonized the British Isles by crossing over Doggerland, a land bridge that connected Britain to no...
Genomic basis of insularity and ecological divergence in barn owls (Tyto alba) ...
Cumer, Tristan; Machado, Ana Paula; Siverio, Felipe; Cherkaoui, Sidi Imad; Roque, Inês; Lourenço, Rui; Charter, Motti; Roulin, Alexandre; Goudet, GeromeIslands, and the particular organisms that populate them, have long fascinated biologists. Due to their isolation, islands offer unique opportunities to study the effect of neutral and adaptive mechanisms in determining genomic and phenotypical divergence. In the Canary Islands, an archipelago rich in endemics, the barn owl (Tyto alba), present in all the islands, is thought to have diverged into a subspecies (...