Multispecies coexistence of trees in tropical forests: spatial signals of topographic niche differentiation increase with environmental heterogeneity

Multispecies coexistence of trees in tropical forests: spatial signals of topographic niche differentiation increase with environmental heterogeneity

Neutral and niche theories give contrasting explanations for the maintenance of tropical tree species diversity. Both have some empirical support, but methods to disentangle their effects have not yet been developed. We applied a statistical measure of spatial structure to data from 14 large tropica...

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Veröffentlicht in:Proceedings: Biological Sciences. - The Royal Society. - 280(2013), 1764, Seite 1-8
1. Verfasser: Brown, C. (VerfasserIn)
Weitere Verfasser: Burslem, D. F. R. P., Illian, J. B., Bao, L., Brockelman, W., Cao, M., Chang, L. W., Dattaraja, H. S., Davies, S., Gunatilleke, C. V. S., Gunatilleke, I. A. U. N., Huang, J., Kassim, A. R., LaFrankie, J. V., Lian, J., Lin, L., Ma, K., Mi, X., Nathalang, A., Noor, S., Ong, P., Sukumar, R., Su, S. H., Sun, I. F., Suresh, H. S., Tan, S., Thompson, J., Uriarte, M., Valencia, R., Yap, S. L., Ye, W., Law, R.
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Proceedings: Biological Sciences
Schlagworte:Biological sciences Physical sciences
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520 |a Neutral and niche theories give contrasting explanations for the maintenance of tropical tree species diversity. Both have some empirical support, but methods to disentangle their effects have not yet been developed. We applied a statistical measure of spatial structure to data from 14 large tropical forest plots to test a prediction of niche theory that is incompatible with neutral theory: that species in heterogeneous environments should separate out in space according to their niche preferences. We chose plots across a range of topographic heterogeneity, and tested whether pairwise spatial associations among species were more variable in more heterogeneous sites. We found strong support for this prediction, based on a strong positive relationship between variance in the spatial structure of species pairs and topographic heterogeneity across sites. We interpret this pattern as evidence of pervasive niche differentiation, which increases in importance with increasing environmental heterogeneity. 
540 |a Copyright © 2013 The Royal Society 
650 4 |a Biological sciences  |x Ecology  |x Population ecology  |x Synecology  |x Biocenosis  |x Plant communities  |x Forests  |x Tropical forests 
650 4 |a Biological sciences  |x Ecology  |x Animal ecology  |x Ecological niches  |x Niche differentiation 
650 4 |a Biological sciences  |x Biology  |x Botany  |x Dendrology  |x Trees 
650 4 |a Physical sciences  |x Earth sciences  |x Geography  |x Geomorphology  |x Topography  |x Topographical elevation 
650 4 |a Biological sciences  |x Biology  |x Botany  |x Plant ecology  |x Forest ecology 
650 4 |a Biological sciences  |x Biology  |x Botany  |x Dendrology  |x Trees  |x Forest trees 
650 4 |a Biological sciences  |x Ecology  |x Population ecology  |x Synecology  |x Biocenosis  |x Plant communities  |x Forests  |x Rain forests  |x Tropical rain forests 
650 4 |a Biological sciences  |x Biology  |x Botany  |x Plant ecology  |x Forest ecology  |x Forest ecosystems  |x Forest habitats 
650 4 |a Biological sciences  |x Biology  |x Biological taxonomies  |x Species 
650 4 |a Biological sciences  |x Ecology  |x Population ecology  |x Synecology  |x Biodiversity  |x Species diversity 
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700 1 |a Burslem, D. F. R. P.  |e verfasserin  |4 aut 
700 1 |a Illian, J. B.  |e verfasserin  |4 aut 
700 1 |a Bao, L.  |e verfasserin  |4 aut 
700 1 |a Brockelman, W.  |e verfasserin  |4 aut 
700 1 |a Cao, M.  |e verfasserin  |4 aut 
700 1 |a Chang, L. W.  |e verfasserin  |4 aut 
700 1 |a Dattaraja, H. S.  |e verfasserin  |4 aut 
700 1 |a Davies, S.  |e verfasserin  |4 aut 
700 1 |a Gunatilleke, C. V. S.  |e verfasserin  |4 aut 
700 1 |a Gunatilleke, I. A. U. N.  |e verfasserin  |4 aut 
700 1 |a Huang, J.  |e verfasserin  |4 aut 
700 1 |a Kassim, A. R.  |e verfasserin  |4 aut 
700 1 |a LaFrankie, J. V.  |e verfasserin  |4 aut 
700 1 |a Lian, J.  |e verfasserin  |4 aut 
700 1 |a Lin, L.  |e verfasserin  |4 aut 
700 1 |a Ma, K.  |e verfasserin  |4 aut 
700 1 |a Mi, X.  |e verfasserin  |4 aut 
700 1 |a Nathalang, A.  |e verfasserin  |4 aut 
700 1 |a Noor, S.  |e verfasserin  |4 aut 
700 1 |a Ong, P.  |e verfasserin  |4 aut 
700 1 |a Sukumar, R.  |e verfasserin  |4 aut 
700 1 |a Su, S. H.  |e verfasserin  |4 aut 
700 1 |a Sun, I. F.  |e verfasserin  |4 aut 
700 1 |a Suresh, H. S.  |e verfasserin  |4 aut 
700 1 |a Tan, S.  |e verfasserin  |4 aut 
700 1 |a Thompson, J.  |e verfasserin  |4 aut 
700 1 |a Uriarte, M.  |e verfasserin  |4 aut 
700 1 |a Valencia, R.  |e verfasserin  |4 aut 
700 1 |a Yap, S. L.  |e verfasserin  |4 aut 
700 1 |a Ye, W.  |e verfasserin  |4 aut 
700 1 |a Law, R.  |e verfasserin  |4 aut 
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