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2008-03-01Zeitschriftenartikel DOI: 10.18452/22444
Patterns of community composition in two tropical tree frog assemblages: separating spatial structure and environmental effects in disturbed and undisturbed forests
dc.contributor.authorErnst, Raffael
dc.contributor.authorRödel, Mark-Oliver
dc.date.accessioned2021-02-15T10:50:27Z
dc.date.available2021-02-15T10:50:27Z
dc.date.issued2008-03-01none
dc.identifier.other10.1017/S0266467407004737
dc.identifier.urihttp://edoc.hu-berlin.de/18452/23095
dc.description.abstractAn on-going controversy in community ecology involves the debate about the many factors that affect the assembly and composition of a given species assemblage. Theory suggests that community composition is influenced by environmental gradients or biotic processes. This study examines patterns of community composition in two tropical tree frog assemblages of primary and exploited lowland rain-forest sites in the Guiana Shield area of central Guyana, South America and the Upper Guinean rain-forest block of south-western Côte d'Ivoire, West Africa. We tested community composition and species abundance data of two adult tree frog communities collected on 21 standardized transects during a period of 5 y for evidence of spatial correlation in community composition. We applied simple and partial Mantel tests to separate the effects of environmental variables, spatial distance and spatial autocorrelation on community composition. Whenever environmental effects were accounted for, we found significant positive spatial correlation of community composition. All assemblages appeared to be spatially structured, i.e. sites in close proximity had similar species assemblages. However, spatially structured environmental variation (autocorrelation) did not account for the spatial structure of species incidence. Environmental factors did not prove to be significant predictors of species incidence in any of the assemblages analysed, even if we controlled for spatial effects. Observed correlation patterns of species composition were consistent within respective realms and disturbance regimes. Moreover, general correlation patterns were consistent between geographic regions. These results are in contrast to previously published results from a study on leaf-litter anurans and indicate that group-specific differences must not be neglected when analysing patterns of species composition in anurans as they may drastically alter the outcome of the analysis.eng
dc.language.isoengnone
dc.publisherHumboldt-Universität zu Berlin
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/
dc.subjectcommunity compositioneng
dc.subjectdisturbanceeng
dc.subjectGuyanaeng
dc.subjectIvory Coasteng
dc.subjectnorthern South Americaeng
dc.subjecttree frogseng
dc.subjecttropical rain forestseng
dc.subjectspatial structureeng
dc.subjectWest Africaeng
dc.subject.ddc570 Biowissenschaften; Biologienone
dc.titlePatterns of community composition in two tropical tree frog assemblages: separating spatial structure and environmental effects in disturbed and undisturbed forestsnone
dc.typearticle
dc.identifier.urnurn:nbn:de:kobv:11-110-18452/23095-1
dc.identifier.doihttp://dx.doi.org/10.18452/22444
dc.type.versionpublishedVersionnone
local.edoc.container-titleJournal of Tropical Ecologynone
local.edoc.pages10none
local.edoc.anmerkungThis publication is with permission of the rights owner freely accessible due to an Alliance licence and a national licence (funded by the DFG, German Research Foundation) respectively.none
local.edoc.type-nameZeitschriftenartikel
local.edoc.institutionSonstige Einrichtungen der Universitätnone
local.edoc.container-typeperiodical
local.edoc.container-type-nameZeitschrift
local.edoc.container-publisher-nameCambridge Univ. Pressnone
local.edoc.container-publisher-placeCambridgenone
local.edoc.container-volume24none
local.edoc.container-issue2none
local.edoc.container-firstpage111none
local.edoc.container-lastpage120none
dc.description.versionPeer Reviewednone
dc.identifier.eissn1469-7831

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