The width of riparian habitats for understory birds in an Amazonian forest

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dc.contributor.authorBueno A.S.
dc.contributor.authorBruno R.S.
dc.contributor.authorPimentel T.P.
dc.contributor.authorSanaiotti T.M.
dc.contributor.authorMagnusson W.E.
dc.date.accessioned2024-03-13T01:08:23Z
dc.date.available2024-03-13T01:08:23Z
dc.date.issued2012
dc.description.abstractRiparian habitats are important for the maintenance of regional biodiversity. Many studies have compared bird distributions between riparian and non-riparian habitats but have not established how wide riparian habitats used by birds are, as measured by distance from the nearest stream. We investigated the distribution of understory birds along gradients of distance from streams, soil clay content, and slope in a central Amazonian forest, by mistnetting birds three times in 45 plots. We used nonmetric multidimensional scaling (NMDS) to reduce the dimensionality of species quantitative (abundance) and qualitative (presence- absence) composition to one multivariate axis. Estimates of the width of riparian habitats as indicated by understory birds depended on the community attribute considered, measuring 90 m for species quantitative composition and 140 m for species qualitative composition. Species distributions were correlated with clay content but were independent of slope, while distance from streams was positively correlated with clay content but independent of slope. Clay content affects plant species composition, which in turn, may influence bird species composition. However, distribution patterns of birds in relation to distance from streams are consistent among studies carried out in many different temperate and tropical regions, indicating an effect of distance from streams itself. Protection of riparian habitats is one of the most widely used conservation strategies, and Brazilian environmental legislation mandates the protection of a 30 m wide strip of riparian vegetation on either side of small streams. We show that the protected strip should be much wider and recommend strategies to place other forms of land protection contiguous with riparian areas so that Brazilian environmental legislation better fulfills its role of protecting biodiversity associated with riparian habitats. © 2012 by the Ecological Society of America.
dc.description.firstpage722
dc.description.issuenumber2
dc.description.lastpage734
dc.description.volume22
dc.identifier.doi10.1890/11-0789.1
dc.identifier.issn1051-0761
dc.identifier.urihttps://dspace.mackenzie.br/handle/10899/36826
dc.relation.ispartofEcological Applications
dc.rightsAcesso Restrito
dc.subject.otherlanguageBiodiversity conservation
dc.subject.otherlanguageBrazil
dc.subject.otherlanguageBuffer strips
dc.subject.otherlanguageCommunity structure
dc.subject.otherlanguageEcological boundaries
dc.subject.otherlanguageEnvironmental gradients
dc.subject.otherlanguageEnvironmental legislation
dc.subject.otherlanguageNeotropical birds
dc.subject.otherlanguageRiparian corridors
dc.subject.otherlanguageSpecies distributions
dc.subject.otherlanguageTropical forest
dc.titleThe width of riparian habitats for understory birds in an Amazonian forest
dc.typeArtigo
local.scopus.citations64
local.scopus.eid2-s2.0-84859542532
local.scopus.updated2024-05-01
local.scopus.urlhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84859542532&origin=inward
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