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dc.contributor.authorMenger, Jen_US
dc.contributor.authorMagnusson, WEen_US
dc.contributor.authorAnderson, MJen_US
dc.contributor.authorSchlegel, Men_US
dc.contributor.authorPe'er, Gen_US
dc.contributor.authorHenle, Ken_US
dc.coverage.spatialUnited Statesen_US
dc.date.available2017en_US
dc.date.available2017-01-22en_US
dc.date.issued2017en_US
dc.identifierhttps://www.ncbi.nlm.nih.gov/pubmed/28225774en_US
dc.identifierPONE-D-16-16372en_US
dc.identifier.citationPLoS One, 2017, 12 (2), pp. e0171540 - ?en_US
dc.description.abstractTropical bird assemblages display patterns of high alpha and beta diversity and, as tropical birds exhibit strong habitat specificity, their spatial distributions are generally assumed to be driven primarily by environmental heterogeneity and interspecific interactions. However, spatial distributions of some Amazonian forest birds are also often restricted by large rivers and other large-scale topographic features, suggesting that dispersal limitation may also play a role in driving species' turnover. In this study, we evaluated the effects of environmental characteristics, topographic and spatial variables on variation in local assemblage structure and diversity of birds in an old-growth forest in central Amazonia. Birds were mist-netted in 72 plots distributed systematically across a 10,000 ha reserve in each of three years. Alpha diversity remained stable through time, but species composition changed. Spatial variation in bird-assemblage structure was significantly related to environmental and topographic variables but not strongly related to spatial variables. At a broad scale, we found bird assemblages to be significantly distinct between two watersheds that are divided by a central ridgeline. We did not detect an effect of the ridgeline per se in driving these patterns, indicating that most birds are able to fly across it, and that differences in assemblage structure between watersheds may be due to unmeasured environmental variables or unique combinations of measured variables. Our study indicates that complex geography and landscape features can act together with environmental variables to drive changes in the diversity and composition of tropical bird assemblages at local scales, but highlights that we still know very little about what makes different parts of tropical forest suitable for different species.en_US
dc.format.extente0171540 - ?en_US
dc.languageengen_US
dc.rights© 2017 Menger et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.en_US
dc.subjectAnimalsen_US
dc.subjectBiodiversityen_US
dc.subjectBirdsen_US
dc.subjectBrazilen_US
dc.subjectEcosystemen_US
dc.subjectForestsen_US
dc.subjectPopulation Dynamicsen_US
dc.subjectSpecies Specificityen_US
dc.titleEnvironmental characteristics drive variation in Amazonian understorey bird assemblages.en_US
dc.typeJournal Article
dc.citation.volume12en_US
dc.identifier.doi10.1371/journal.pone.0171540en_US
dc.identifier.elements-id289338
dc.relation.isPartOfPLoS Oneen_US
dc.citation.issue2en_US
dc.identifier.eissn1932-6203en_US
dc.description.publication-statusPublished onlineen_US
pubs.organisational-group/Massey University
pubs.organisational-group/Massey University/College of Sciences
pubs.organisational-group/Massey University/College of Sciences/NZ Institute of Advanced Studies
dc.identifier.harvestedMassey_Dark
pubs.notesNot knownen_US
dc.subject.anzsrcMD Multidisciplinaryen_US


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