English   español  
Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/83889
Share/Impact:
Statistics
logo share SHARE logo core CORE   Add this article to your Mendeley library MendeleyBASE

Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL
Exportar a otros formatos:

Title

Refugia, colonization and diversification of an arid-adapted bird: coincident patterns between genetic data and ecological niche modelling

AuthorsBarrientos, Rafael; Kvist, L.; Barbosa, Andrés ; Valera, Francisco ; Khoury, S.; Valera, S.; Moreno, Eulalia
KeywordsBucanetes githagineus
Mediterranean basin
Climate change
Microsatellites
Mitochondrial DNA
Range expansion
Issue DateNov-2013
PublisherJohn Wiley & Sons
CitationMolecular Ecology 23(2): 390-407 (2014)
AbstractPhylogeographical studies are common in boreal and temperate species from the Palaearctic, but scarce in arid-adapted species. We used nuclear and mitochondrial markers to investigate phylogeography and to estimate chronology of colonization events of the trumpeter finch Bucanetes githagineus, an arid-adapted bird. We used 271 samples from 16 populations, most of which were fresh samples but including some museum specimens. Microsatellite data showed no clear grouping according to the sampling locations. Microsatellite and mitochondrial data showed the clearest differentiation between Maghreb and Canary Islands and between Maghreb and Western Sahara. Mitochondrial data suggest differentiation between different Maghreb populations and among Maghreb and Near East populations, between Iberian Peninsula and Canary Islands, as well as between Western Sahara and Maghreb. Our coalescence analyses indicate that the trumpeter finch colonized North Africa during the humid Marine Isotope Stage 5 (MIS5) period of the Sahara region 125 000 years ago. We constructed an ecological niche model (ENM) to estimate the geographical distribution of climatically suitable habitats for the trumpeter finch. We tested whether changes in the species range in relation to glacial–interglacial cycles could be responsible for observed patterns of genetic diversity and structure. Modelling results matched with those from genetic data as the species' potential range increases in interglacial scenarios (in the present climatic scenario and during MIS5) and decreases in glacial climates (during the last glacial maximum, LGM, 21 000 years ago). Our results suggest that the trumpeter finch responded to Pleistocene climatic changes by expanding and contracting its range.
Publisher version (URL)http://dx.doi.org/10.1111/mec.12588
URIhttp://hdl.handle.net/10261/83889
DOI10.1111/mec.12588
ISSN1365-294X
Appears in Collections:(EEZA) Artículos
(MNCN) Artículos
Files in This Item:
File Description SizeFormat 
Barrientosetal - MEC-12-1167 (3).pdf113,76 kBAdobe PDFThumbnail
View/Open
Show full item record
Review this work
 

Related articles:


WARNING: Items in Digital.CSIC are protected by copyright, with all rights reserved, unless otherwise indicated.