Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/22943
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dc.contributor.authorVelazquez, Eduardoen_UK
dc.contributor.authorPaine, C E Timothyen_UK
dc.contributor.authorMay, Felixen_UK
dc.contributor.authorWiegand, Thorstenen_UK
dc.date.accessioned2016-03-10T00:09:21Z-
dc.date.availablenull-
dc.date.issued2015-11en_UK
dc.identifier.urihttp://hdl.handle.net/1893/22943-
dc.description.abstractAim  Community assembly theory predicts that niche differentiation promotes the spatial clustering of functionally dissimilar species, whereas habitat filtering has the converse effect. We used these predictions to assess the relative effects of habitat filtering and niche differentiation on recruit community assembly over spatial (5- and 30-m neighbourhoods) and temporal (20-yr) scales in the Forest Dynamics Plot at Barro Colorado Island.  Location  Barro Colorado Island, Panama.  Methods  We integrated data on the spatial patterns of ≥1cm DBH (diameter at 1.3m above ground) recruits with data on seven functional traits for 64 species. First, we quantified the interspecific association patterns of all species pairs i and j using the K-function Kij(r) and the nearest-neighbour distribution function Dij(r). Second, for those pairs with significant spatial associations, we calculated an index of interspecific spatial association using the results of these two summary statistics. Finally, we examined the relationship between interspecific spatial association and trait similarity using simple and partial Mantel tests.  Results  In all censuses, almost one-half of species pairs had no spatial associations, but for pairs that were significantly spatially associated, positive relationships between trait similarity and spatial association occurred in 5-m and 30-m neighbourhoods, whereas significant negative relationships only appeared in 5-m neighbourhoods. This suggests that habitat filtering was more important than niche differentiation in assembling recruit communities at 5- and 30-m scales. Habitat filtering mainly acted upon traits related to topographic habitat preferences and dispersal mode, whereas spatial association was inversely related to similarity in terms of wood specific gravity and shade tolerance.  Conclusions  Our findings suggest that both stochastic and deterministic processes operate in species-rich ecological communities, but the role of habitat filtering and niche differentiation as determinants of community assembly vary over spatial and temporal scales. Species co-occurrence was driven by habitat filtering at small and large scales, but also by a combination of niche differentiation and weaker-competitor exclusion effects at small scales. Temporal variations in the importance of habitat filtering and niche differentiation could be related to the occurrence of disturbances such as tree falls. Our results emphasize the role of trait-based processes in plant community assembly.en_UK
dc.language.isoenen_UK
dc.publisherWiley-Blackwell for International Association for Vegetation Scienceen_UK
dc.relationVelazquez E, Paine CET, May F & Wiegand T (2015) Linking trait similarity to interspecific spatial associations in a moist tropical forest, Journal of Vegetation Science, 26 (6), pp. 1068-1079. https://doi.org/10.1111/jvs.12313.en_UK
dc.rightsThe publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study.en_UK
dc.subjectCo-occurrenceen_UK
dc.subjectHabitat filteringen_UK
dc.subjectMantel testen_UK
dc.subjectNiche differentiationen_UK
dc.subjectPoint patternen_UK
dc.subjectRecruitsen_UK
dc.subjectTraitsen_UK
dc.titleLinking trait similarity to interspecific spatial associations in a moist tropical foresten_UK
dc.typeJournal Articleen_UK
dc.rights.embargodate2999-12-07en_UK
dc.rights.embargoreason[Vel-zquez_et_al-2015-Journal_of_Vegetation_Science.pdf] : The publisher does not allow this work to be made publicly available in this Repository therefore there is an embargo on the full text of the work.en_UK
dc.identifier.doi10.1111/jvs.12313en_UK
dc.citation.jtitleJournal of Vegetation Scienceen_UK
dc.citation.issn1654-1103en_UK
dc.citation.issn1100-9233en_UK
dc.citation.volume26en_UK
dc.citation.issue6en_UK
dc.citation.spage1068en_UK
dc.citation.epage1079en_UK
dc.citation.publicationstatusPublisheden_UK
dc.citation.peerreviewedRefereeden_UK
dc.type.statusVoR - Version of Recorden_UK
dc.author.emailtimothy.paine@une.edu.auen_UK
dc.citation.date07/07/2015en_UK
dc.contributor.affiliationUFZen_UK
dc.contributor.affiliationBiological and Environmental Sciencesen_UK
dc.contributor.affiliationUFZen_UK
dc.contributor.affiliationUFZen_UK
dc.identifier.isi000364147300007en_UK
dc.identifier.scopusid2-s2.0-84944169193en_UK
dc.identifier.wtid576543en_UK
dc.contributor.orcid0000-0001-8705-3719en_UK
dc.date.accepted2015-04-11en_UK
dc.date.firstcompliantdepositdate2016-03-09en_UK
dc.description.refREF Compliant by Deposit in Stirling's Repositoryen_UK
Appears in Collections:Biological and Environmental Sciences Journal Articles

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