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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/193750
Species delimitation using genomic data to resolve taxonomic uncertainties in a speciation continuum of pelagic seabirds
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Speciation is a continuous and complex process shaped by the interaction of numerous evolutionary forces. Despite the continuous nature of the speciation process, the implementation of conservation policies relies on the delimitation of species and evolutionary significant units (ESUs). Puffinus shearwaters are globally distributed and threatened pelagic seabirds. Due to remarkable morphological status the group has been under intense taxonomic debate for the past three decades. Here, we use double digest Restriction-Site Associated DNA sequencing (ddRAD-Seq) to genotype species and subspecies of North Atlantic and Mediterranean Puffinus shearwaters across their entire geographical range. We assess the phylogenetic relationships and population structure among and within the group, evaluate species boundaries, and characterise the genomic landscape of divergence. We find that current taxonomies are not supported by genomic data and propose a more accurate taxonomy by integrating genomic information with other sources of evidence. Our results show that several taxon pairs are at different stages of a speciation continuum. Our study emphasises the potential of genomic data to resolve taxonomic uncertainties, which can help to focus management actions on relevant taxa, even if they do not necessarily coincide with the taxonomic rank of species.
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FERRER OBIOL, Joan, HERRANZ, José m., PARIS, Josephine r., WHITING, James r., ROZAS LIRAS, Julio a., RIUTORT LEÓN, Marta, GONZÁLEZ-SOLÍS, Jacob. Species delimitation using genomic data to resolve taxonomic uncertainties in a speciation continuum of pelagic seabirds. _Molecular Phylogenetics and Evolution_. 2022. Vol. 179, núm. 107671. [consulta: 3 de març de 2026]. ISSN: 1055-7903. [Disponible a: https://hdl.handle.net/2445/193750]