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dc.contributor.author
Lorenzón, Rodrigo Ezequiel
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Beltzer, Adolfo Hector
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Peltzer, Paola
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Ronchi Virgolini, Ana Laura
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Tittarelli, M.
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Olguin, Pamela Fernanda
dc.date.available
2018-09-17T18:18:34Z
dc.date.issued
2016-07
dc.identifier.citation
Lorenzón, Rodrigo Ezequiel; Beltzer, Adolfo Hector; Peltzer, Paola; Ronchi Virgolini, Ana Laura; Tittarelli, M.; et al.; Local conditions vs regional context: variation in composition of bird communities along the Middle Paraná River, an extensive river-floodplain system of South America; Akademiai Kiado; Community Ecology; 17; 1; 7-2016; 40-47
dc.identifier.issn
1585-8553
dc.identifier.uri
http://hdl.handle.net/11336/59916
dc.description.abstract
We studied spatial changes in species composition (i.e., beta diversity) of local assemblages of birds along 450 km of the Middle Paraná River, an extensive fluvial system of South America. Point counts were used to survey birds at 60 plots located in shrub swamps and marshes of the floodplain within four sites (15 plots per site). Two sites were surrounded by each of the two upland ecoregions. Beta diversity of bird assemblages was high and was more important than alpha diversity in shaping regional diversity (i.e., gamma diversity) of the fluvial system. Compositional changes were related to species turnover among plots, while nestedness dissimilarity was not important for shaping diversity patterns. Variation-partitioning analysis showed that local conditions (i.e., landscape composition within a radius of 200 m from the center of each plot) accounted for more spatial variation in assemblage composition than did location along the fluvial system. Adjacent upland ecoregions did not account for spatial changes in bird composition within the fluvial system. In conclusion, environmental heterogeneity created by flood pulses is an important factor for sustaining regional diversity of birds within the fluvial system through effects on beta diversity.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Akademiai Kiado
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Beta Diversity
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Nestedness
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Riparian Corridor
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Spatial Structure
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Species Turnover
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Variation-Partitioning
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Wetlands
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Otras Ciencias Biológicas
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Ciencias Biológicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Local conditions vs regional context: variation in composition of bird communities along the Middle Paraná River, an extensive river-floodplain system of South America
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-09-14T13:24:01Z
dc.journal.volume
17
dc.journal.number
1
dc.journal.pagination
40-47
dc.journal.pais
Hungría
dc.journal.ciudad
Budapest
dc.description.fil
Fil: Lorenzón, Rodrigo Ezequiel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto Nacional de Limnología. Universidad Nacional del Litoral. Instituto Nacional de Limnología; Argentina
dc.description.fil
Fil: Beltzer, Adolfo Hector. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto Nacional de Limnología. Universidad Nacional del Litoral. Instituto Nacional de Limnología; Argentina
dc.description.fil
Fil: Peltzer, Paola. Universidad Nacional del Litoral. Facultad de Bioquímica y Ciencias Biológicas; Argentina
dc.description.fil
Fil: Ronchi Virgolini, Ana Laura. Universidad Autónoma de Entre Ríos; Argentina
dc.description.fil
Fil: Tittarelli, M.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto Nacional de Limnología. Universidad Nacional del Litoral. Instituto Nacional de Limnología; Argentina
dc.description.fil
Fil: Olguin, Pamela Fernanda. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto Nacional de Limnología. Universidad Nacional del Litoral. Instituto Nacional de Limnología; Argentina
dc.journal.title
Community Ecology
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.akademiai.com/doi/abs/10.1556/168.2016.17.1.6
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1556/168.2016.17.1.6
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