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dc.contributor.authorVila, Roger-
dc.contributor.authorBell, Charles D.-
dc.contributor.authorMacniven, Richard-
dc.contributor.authorGoldman-Huertas, Benjamin-
dc.contributor.authorRee, Richard H.-
dc.contributor.authorMarshall, Charles R.-
dc.contributor.authorBálint, Zsolt-
dc.contributor.authorJohnson, Kurt-
dc.contributor.authorBenyamini, Dubi-
dc.contributor.authorPierce, Naomi E.-
dc.date.accessioned2011-12-20T10:55:48Z-
dc.date.available2011-12-20T10:55:48Z-
dc.date.issued2011-01-
dc.identifier.citationProceedings of the Royal Society of London - B 278: 2737–2744 (2011)es_ES
dc.identifier.urihttp://hdl.handle.net/10261/43509-
dc.description8 páginas, 3 figuras.-- EXIS Open Choice.es_ES
dc.description.abstractTranscontinental dispersals by organisms usually represent improbable events that constitute a major challenge for biogeographers. By integrating molecular phylogeny, historical biogeography and palaeoecology, we test a bold hypothesis proposed by Vladimir Nabokov regarding the origin of Neotropical Polyommatus blue butterflies, and show that Beringia has served as a biological corridor for the dispersal of these insects from Asia into the New World. We present a novel method to estimate ancestral temperature tolerances using distribution range limits of extant organisms, and find that climatic conditions in Beringia acted as a decisive filter in determining which taxa crossed into the New World during five separate invasions over the past 11 Myr. Our results reveal a marked effect of the Miocene–Pleistocene global cooling, and demonstrate that palaeoclimatic conditions left a strong signal on the ecology of present-day taxa in the New World. The phylogenetic conservatism in thermal tolerances that we have identified may permit the reconstruction of the palaeoecology of ancestral organisms, especially mobile taxa that can easily escape from hostile environments rather than adapt to them.es_ES
dc.description.sponsorshipSupport for this research was provided by the Ministerio de Ciencia e Innovación (CGL2007-60516/BOS) and a Fulbright Postdoctoral Fellowship to R.V., grants from the Baker Foundation, the Green Memorial Fund of Harvard University and the Putnam Expeditionary Fund of the Museum of Comparative Zoology to N.E.P. and R.V., and NSF DEB-0447242 toN.E.P.es_ES
dc.language.isoenges_ES
dc.publisherRoyal Society (Great Britain)es_ES
dc.relation.isversionofPublisher's version-
dc.rightsopenAccesses_ES
dc.subjectBeringiaes_ES
dc.subjectBiogeographyes_ES
dc.subjectClimate changees_ES
dc.subjectLycaenidaees_ES
dc.subjectNabokoves_ES
dc.subjectPhylogenyes_ES
dc.titlePhylogeny and palaeoecology of Polyommatus blue butterflies show Beringia was a climate-regulated gateway to the New Worldes_ES
dc.typeartículoes_ES
dc.identifier.doi10.1098/rspb.2010.2213-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1098/rspb.2010.2213es_ES
dc.identifier.e-issn1471-2954-
dc.rights.licensehttps://creativecommons.org/licenses/by/4.0/-
dc.contributor.funderMinisterio de Ciencia e Innovación (España)-
dc.contributor.funderBaker Foundation-
dc.contributor.funderHarvard University-
dc.contributor.funderMuseum of Comparative Zoology (US)-
dc.contributor.funderFulbright Commission-
dc.relation.csic-
dc.identifier.funderhttp://dx.doi.org/10.13039/501100004837es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/100007229es_ES
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