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dc.contributor.authorFernandes, Alexandre Mendes-
dc.contributor.authorCohn-Haft, Mario-
dc.contributor.authorHrbek, Tomas-
dc.contributor.authorFarias, Izeni P.-
dc.date.accessioned2020-05-08T20:46:15Z-
dc.date.available2020-05-08T20:46:15Z-
dc.date.issued2014-
dc.identifier.urihttps://repositorio.inpa.gov.br/handle/1/15439-
dc.description.abstractMorphological, vocal and genetic studies have shown that the Madeira River and its right bank tributaries delimit populations of primates and birds. We sequenced the cytochrome b gene (approx. 950 bp) for individuals of three suboscine passerine bird species, Glyphorynchus spirurus (Furnariidae), Willisornis poecilinotus (Thamnophilidae) and Schiffornis turdina (Tityridae), on opposite banks of the Madeira River and two of its right-bank tributaries, the Aripuanã and Jiparaná rivers. Phylogenetic hypotheses (parsimony, maximum likelihood and Bayesian analysis) revealed clades that have over 3.1% genetic differentiation on opposite banks of the Madeira River for G. spirurus, W. poecilinotus and S. turdina, suggesting that this river restricts gene flow among populations of these three species. The Jiparaná and Aripuanã rivers apparently separate distinct populations of G. spirurus, the smallest species we examined, but not those of the other two heavier bodied species, W. poecilinotus and S. turdina. In G. spirurus four clades with high levels of genetic differentiation (3.2-5.5%) were found to be delimited by the three rivers evaluated, whereas in W. poecilinotus and S. turdina no genetic structure across the Jiparaná and Aripuanã rivers was detected. In general, birds that are known to show population structure across the Madeira tributaries (Glyphorynchus spirurus, Hemitriccus minor, Hypocnemis rondoni, Herpsilochmus stotzi, and Hylophylax naevius) have body masses smaller than those of both Willisornis poecilinotus and Schiffornis turdina, but some exceptions are discussed. Future studies controlling for several variables are necessary to determine the extent to which body mass is a useful predictor of genetic population structure in understory suboscine passerines. © 2015 Sociedade Brasileira de Ornitologia. All rights reserved.en
dc.language.isoenpt_BR
dc.relation.ispartofVolume 22, Número 4, Pags. 363-373pt_BR
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Brazil*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/br/*
dc.subjectBody Massen
dc.subjectCladisticsen
dc.subjectConservation Geneticsen
dc.subjectDispersalen
dc.subjectEndemic Speciesen
dc.subjectGeneen
dc.subjectGene Flowen
dc.subjectGenetic Differentiationen
dc.subjectGenetic Structureen
dc.subjectMorphologyen
dc.subjectPasserineen
dc.subjectPhylogeographyen
dc.subjectPopulation Structureen
dc.subjectPrimateen
dc.subjectRiveren
dc.subjectUnderstoryen
dc.subjectVocalizationen
dc.subjectAripuanaen
dc.subjectJiparana Basinen
dc.subjectMadeira Riveren
dc.subjectMato Grossoen
dc.subjectAvesen
dc.subjectFurnariidaeen
dc.subjectGlyphorynchus Spirurusen
dc.subjectHemitriccus Minoren
dc.subjectHerpsilochmusen
dc.subjectHylophylaxen
dc.subjectHypocnemisen
dc.subjectPasseriformesen
dc.subjectPrimatesen
dc.subjectSchiffornisen
dc.subjectThamnophilidaeen
dc.titleRivers acting as barriers for bird dispersal in the Amazonen
dc.typeArtigopt_BR
dc.publisher.journalRevista Brasileira de Ornitologiapt_BR
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