Biogeography of amazon birds: rivers limit species composition, but not areas of endemism

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dc.creatorUbirajara de Oliveira
dc.creatorMarcelo Ferreira de Vasconcelos
dc.creatorAdalberto José dos Santos
dc.date.accessioned2024-07-29T20:44:55Z
dc.date.accessioned2025-09-09T00:25:52Z
dc.date.available2024-07-29T20:44:55Z
dc.date.issued2017-06-07
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.description.sponsorshipFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Gerais
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
dc.format.mimetypepdf
dc.identifier.doi10.1038/s41598-017-03098-w
dc.identifier.issn2045-2322
dc.identifier.urihttps://hdl.handle.net/1843/72104
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofScientific Reports
dc.rightsAcesso Aberto
dc.subjectBiogeografia - Amazonia
dc.subjectPássaro
dc.subjectRios - Aspectos ambientais - Amazonia
dc.titleBiogeography of amazon birds: rivers limit species composition, but not areas of endemism
dc.typeArtigo de periódico
local.citation.epage11
local.citation.issue1
local.citation.spage1
local.citation.volume7
local.description.resumoAmazonian rivers are usually suggested as dispersal barriers, limiting biogeographic units. This is evident in a widely accepted Areas of Endemism (AoEs) hypothesis proposed for Amazonian birds. We empirically test this hypothesis based on quantitative analyses of species distribution. We compiled a database of bird species and subspecies distribution records, and used this dataset to identify AoEs through three different methods. Our results show that the currently accepted Amazonian AoEs are not consistent with areas identified, which were generally congruent among datasets and methods. Some Amazonian rivers represent limits of AoEs, but these areas are not congruent with those previously proposed. However, spatial variation in species composition is correlated with largest Amazonian rivers. Overall, the previously proposed Amazonian AoEs are not consistent with the evidence from bird distribution. However, the fact that major rivers coincide with breaks in species composition suggest they can act as dispersal barriers, though not necessarily for all bird taxa. This scenario indicates a more complex picture of the Amazonian bird distribution than previously imagined.
local.publisher.countryBrasil
local.publisher.departmentICB - DEPARTAMENTO DE ZOOLOGIA
local.publisher.initialsUFMG
local.url.externahttps://www.nature.com/articles/s41598-017-03098-w

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