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dc.contributor.authorBoelter, Carlos Renato-
dc.contributor.authorZartman, Charles Eugene-
dc.contributor.authorFonseca, Carlos Roberto-
dc.date.accessioned2020-06-15T21:52:26Z-
dc.date.available2020-06-15T21:52:26Z-
dc.date.issued2011-
dc.identifier.urihttps://repositorio.inpa.gov.br/handle/1/18189-
dc.description.abstractThe Brazilian Atlantic Forest suffered a severe geographic contraction along the last five centuries that reduced drastically most vascular epiphyte populations. Among the range of man-made matrixes, tree monocultures have the potential to contribute positively to the maintenance of the regional epiphyte diversity. Here, we test the similarity in abundance, richness, and species composition between vascular epiphytic communities established in managed monocultures of exotic and native species with natural communities occurring in neighboring native Araucaria Forest patches. In the São Francisco de Paula National Forest (Rio Grande do Sul state, Brazil), we recorded 62 epiphyte species from 300 phorophytes occurring in 12, one-hectare plots of Araucaria Forest and managed plantations of Pinus, Eucalyptus and Araucaria. Species richness, rarefied richness and abundance were significantly higher in Araucaria Forest in comparison to the exotic stands. Species composition was also substantially differentiated as Araucaria Forest patches harbored a greater number of zoochorous species than those of the exotic stands. Additionally, plantations of Araucaria angustifolia, a native species, sustained more individuals and more species than the exotic plantations. Neither tree height nor DBH explained epiphyte richness; however, both phorophyte diversity and stand age together accounted for 92% of the among-site variation in epiphytic species richness. We conclude that substrate heterogeneity in combination with time available for colonization contribute significantly to beta-diversity of epiphytes in Araucaria forests. However, demographic experimental studies are necessary in order to disentangle the role of substrate quality from metapopulation processes, such as dispersal limitation, at both temporal and spatial scales. © 2011 Springer Science+Business Media B.V.en
dc.language.isoenpt_BR
dc.relation.ispartofVolume 20, Número 6, Pags. 1255-1272pt_BR
dc.rightsRestrito*
dc.subjectAbundanceen
dc.subjectColonizationen
dc.subjectConiferous Treeen
dc.subjectConservation Managementen
dc.subjectConservation Planningen
dc.subjectDispersalen
dc.subjectEpiphyteen
dc.subjectInvasive Speciesen
dc.subjectMonocultureen
dc.subjectPatch Dynamicsen
dc.subjectPlantation Forestryen
dc.subjectSpecies Richnessen
dc.subjectSubstrateen
dc.subjectAtlantic Foresten
dc.subjectRio Grande Do Sulen
dc.subjectSao Francisco De Paula National Foresten
dc.subjectAraucariaen
dc.subjectAraucaria Angustifoliaen
dc.subjectEucalyptusen
dc.titleExotic tree monocultures play a limited role in the conservation of Atlantic Forest epiphytesen
dc.typeArtigopt_BR
dc.identifier.doi10.1007/s10531-011-0026-z-
dc.publisher.journalBiodiversity and Conservationpt_BR
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