DSpace Repository

Taxonomic scale-dependence of habitat niche partitioning and biotic neighbourhood on survival of tropical tree seedlings

Show simple item record

dc.contributor.author Queenborough, Simon A. en
dc.contributor.author Burslem, David F. R. P. en
dc.contributor.author Garwood, Nancy C. en
dc.contributor.author Valencia, Renato en
dc.date.accessioned 2012-08-15T19:30:32Z
dc.date.available 2012-08-15T19:30:32Z
dc.date.issued 2009
dc.identifier.citation Queenborough, Simon A., Burslem, David F. R. P., Garwood, Nancy C., and Valencia, Renato. 2009. "<a href="https%3A%2F%2Frepository.si.edu%2Fhandle%2F10088%2F18777">Taxonomic scale-dependence of habitat niche partitioning and biotic neighbourhood on survival of tropical tree seedlings</a>." <em>Proceedings of the Royal Society B: Biological Sciences</em>. 276 (1676):4197&ndash;4205. <a href="https://doi.org/10.1098/rspb.2009.0921">https://doi.org/10.1098/rspb.2009.0921</a> en
dc.identifier.issn 0962-8452
dc.identifier.uri http://hdl.handle.net/10088/18777
dc.description.abstract In order to differentiate between mechanisms of species coexistence, we examined the relative importance of local biotic neighbourhood, abiotic habitat factors and species differences as factors influencing the survival of 2330 spatially mapped tropical tree seedlings of 15 species of Myristicaceae in two separate analyses in which individuals were identified first to species and then to genus. Using likelihood methods, we selected the most parsimonious candidate models as predictors of 3 year seedling survival in both sets of analyses. We found evidence for differential effects of abiotic niche and neighbourhood processes on individual survival between analyses at the genus and species levels. Niche partitioning (defined as an interaction of taxonomic identity and abiotic neighbourhood) was significant in analyses at the genus level, but did not differentiate among species in models of individual seedling survival. By contrast, conspecific and congeneric seedling and adult density were retained in the minimum adequate models of seedling survival at species and genus levels, respectively. We conclude that abiotic niche effects express differences in seedling survival among genera but not among species, and that, within genera, community and/or local variation in adult and seedling abundance drives variation in seedling survival. These data suggest that different mechanisms of coexistence among tropical tree taxa may function at different taxonomic or phylogenetic scales. This perspective helps to reconcile perceived differences of importance in the various non-mutually exclusive mechanisms of species coexistence in hyper-diverse tropical forests. en
dc.relation.ispartof Proceedings of the Royal Society B: Biological Sciences en
dc.title Taxonomic scale-dependence of habitat niche partitioning and biotic neighbourhood on survival of tropical tree seedlings en
dc.type Journal Article en
dc.identifier.srbnumber 110581
dc.identifier.doi 10.1098/rspb.2009.0921
rft.jtitle Proceedings of the Royal Society B: Biological Sciences
rft.volume 276
rft.issue 1676
rft.spage 4197
rft.epage 4205
dc.description.SIUnit STRI en
dc.citation.spage 4197
dc.citation.epage 4205


Files in this item

This item appears in the following Collection(s)

Show simple item record

Search DSpace


Browse

My Account