English   español  
Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/180008
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 | DATACITE
Exportar a otros formatos:


Genetic, morphological, and acoustic evidence reveals lack of diversification in the colonization process in an island bird

AuthorsIllera, Juan Carlos ; Palmero, Ana M. ; Laiolo, Paola ; Rodríguez, F.; Moreno, Á. C.; Navascués, Miguel
Lack of diversification
Gene flow
Avian evolution
Oceanic islands
Issue DateAug-2014
Society for the Study of Evolution
CitationEvolution: international journal of organic evolution 68(8): 2259-2274 (2014)
AbstractSongbirds with recently (i.e., early Holocene) founded populations are suitable models for studying incipient differentiation in oceanic islands. On such systems each colonization event represents a different evolutionary episode that can be studied by addressing sets of diverging phenotypic and genetic traits. We investigate the process of early differentiation in the spectacled warbler (Sylvia conspicillata) in 14 populations separated by sea barriers from three Atlantic archipelagos and from continental regions spanning from tropical to temperate latitudes. Our approach involved the study of sexual acoustic signals, morphology, and genetic data. Mitochondrial DNA did not provide clear population structure. However, microsatellites analyses consistently identified two genetic groups, albeit without correspondence to subspecies classification and little correspondence to geography. Coalescent analyses showed significant evidence for gene flow between the two genetic groups. Discriminant analyses could not correctly assign morphological or acoustic traits to source populations. Therefore, although theory predicting that in isolated populations genetic, morphological, or acoustic traits can lead to radiation, we have strikingly failed to document differentiation on these attributes in a resident passerine throughout three oceanic archipelagos.
Publisher version (URL)https://doi.org/10.1111/evo.12429
Identifiersdoi: 10.1111/evo.12429
issn: 0014-3820
e-issn: 1558-5646
Appears in Collections:(IPNA) Artículos
Files in This Item:
File Description SizeFormat 
accesoRestringido.pdf15,38 kBAdobe PDFThumbnail
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.