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Historical Biogeography of Delphininae Dolphins and Related Taxa (Artiodactyla: Delphinidae)

2018Artigo científico Acesso aberto
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dc.contributor.authordo Amaral, Karina Bohrer
dc.contributor.authorAmaral, Ana Rita
dc.contributor.authorEwan Fordyce, R.
dc.contributor.authorMoreno, Ignacio Benites
dc.date.accessioned2021-01-27T18:27:13Z
dc.date.available2021-01-27T18:27:13Z
dc.date.issued2018
dc.description.abstractDelphinine dolphins arose via a recent, rapid radiation, probably within the last four million years. Although molecular phylogenies are increasingly well resolved, patterns of morphology-ecology-geography are hard to link to phylogeny or to translate into taxonomy. Such problems might be tackled through understanding the drivers of the delphinine radiation. Here, we examine delphinine historical biogeography using the phylogeny of McGowen et al. (Mol Phylogenet Evol 53:891–906, 2009) as our working hypothesis. We used the “Spatial Analysis of Vicariance” method to delimit modern distribution patterns, including disjunctions involving sister nodes in the Delphininae. The analysis identified disjunct sister nodes, allowing some interpretation of Delphininae biogeography. The Central American Seaway was probably an important gateway for early delphinids, but the succeeding “hard” barrier of the Panama Isthmus had little influence. Southern African waters form the Atlantic-Indo-Pacific gateway, which is sometimes considered a “soft” barrier because of the variation in the Benguela and Agulhas currents, in turn driven by tectonic changes and/or Pleistocene glacial and interglacial cycles. The latter cycles probably fragmented coastal habitats, allowing allopatric speciation. Geological patterns of turnover in Southern Ocean diatoms, which link to physical oceanic change, closely match the main cluster of delphinine divergences. The Eastern Pacific Barrier, and perhaps the associated Humboldt Current and equatorial “cold tongue,” affect modern distributions, but cause and effect are poorly understood. Future research should involve molecular-morphological phylogenetics for all species, subspecies, and ecomorphs. Complete distributions must be known for all taxa to understand how vicariance and dispersal shaped the distribution of delphinines.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationAmaral KB, Amaral AR, Fordyce RE, Moreno IB (2018) Historical biogeography of Delphininae dolphins and related taxa (Artiodactyla: Delphinidae). Journal of Mammalian Evolution. 25(2): 241-259. Doi: 10.1007/s10914-016-9376-3.pt_PT
dc.identifier.doi10.1007/s10914-016-9376-3pt_PT
dc.identifier.urihttp://hdl.handle.net/10451/45964
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringerpt_PT
dc.relationConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) (process 131062/2012-3)pt_PT
dc.relationConselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq) and Marinha do Brasil, Brazil (through the Project “A fauna de odontocetos no Brasil: subsidios para conservacao” (process 557182/2009-3 and 404558/2012-7)pt_PT
dc.titleHistorical Biogeography of Delphininae Dolphins and Related Taxa (Artiodactyla: Delphinidae)pt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage259pt_PT
oaire.citation.issue2pt_PT
oaire.citation.startPage241pt_PT
oaire.citation.titleJournal of Mammalian Evolutionpt_PT
oaire.citation.volume25pt_PT
person.familyNameAmaral
person.givenNameAna Rita
person.identifier.orcid0000-0002-0595-0086
person.identifier.ridD-1060-2010
person.identifier.scopus-author-id55958061400
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication646588f5-73af-4b2e-b988-156149ef03d8
relation.isAuthorOfPublication.latestForDiscovery646588f5-73af-4b2e-b988-156149ef03d8

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