Search results for "TROPICAL STREAM"

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Community size can affect the signals of ecological drift and niche selection on biodiversity

2020

Made available in DSpace on 2020-12-12T01:24:05Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-06-01 Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Academy of Finland Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Ecological drift can override the effects of deterministic niche selection on small populations and drive the assembly of some ecological communities. We tested this hypothesis with a unique data set sampled identically in 200 streams in two regions (tropical Brazil and boreal Finland) that differ in macroinvertebrate community size by fivefold. Null models allowed us t…

0106 biological sciencesMETACOMMUNITIESNichenull modelsBeta diversityBiodiversitydispersal metacommunities010603 evolutionary biology01 natural sciencesCOLONIZATIONDISPERSALCONNECTIVITYAbundance (ecology)TROPICAL STREAMbeta-diversity deviation14. Life underwaterdispersalDISTURBANCEBETA-DIVERSITYRelative species abundanceEcosystemFinlandEcology Evolution Behavior and SystematicsRESTORATIONdemographic stochasticityβ-diversity deviationvesieläimistöEcology010604 marine biology & hydrobiologySmall population sizeBiodiversitybeta diversity deviation15. Life on landBiotaluonnon monimuotoisuusbiodiversiteettiGeographyHabitat destruction13. Climate action1181 Ecology evolutionary biologySIMILARITYPATTERNShyönteisetcommunity assemblySpecies richnessaquatic insectsmetacommunitiesBrazil
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