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Drought sensitivity shapes species distribution patterns in tropical forests

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dc.contributor.author Engelbrecht, Bettina M. J. en
dc.contributor.author Comita, Liza S. en
dc.contributor.author Condit, Richard S. en
dc.contributor.author Kursar, Thomas A. en
dc.contributor.author Tyree, Melvin T. en
dc.contributor.author Turner, Benjamin L. en
dc.contributor.author Hubbell, Stephen P. en
dc.date.accessioned 2011-02-09T20:02:55Z
dc.date.available 2011-02-09T20:02:55Z
dc.date.issued 2007
dc.identifier.citation Engelbrecht, Bettina M. J., Comita, Liza S., Condit, Richard S., Kursar, Thomas A., Tyree, Melvin T., Turner, Benjamin L., and Hubbell, Stephen P. 2007. "<a href="https://repository.si.edu/handle/10088/11878">Drought sensitivity shapes species distribution patterns in tropical forests</a>." <em>Nature</em>. 447 (7140):80&ndash;82. <a href="https://doi.org/10.1038/nature05747">https://doi.org/10.1038/nature05747</a> en
dc.identifier.issn 0028-0836
dc.identifier.uri http://hdl.handle.net/10088/11878
dc.description.abstract Although patterns of tree species distributions along environmental gradients have been amply documented in tropical forests1-7, mechanisms causing these patterns are seldom known. Efforts to evaluate proposed mechanisms have been hampered by a lack of comparative data on species&#39; reactions to relevant axes of environmental variation1. Here we show that differential drought sensitivity shapes plant distributions in tropical forests at both regional and local scales. Our analyses are based on experimental field assessments of drought sensitivity of 48 species of trees and shrubs, and on their local and regional distributions within a network of 122 inventory sites spanning a rainfall gradient across the Isthmus of Panama. Our results suggest that niche differentiation with respect to soil water availability is a direct determinant of both local- and regional-scale distributions of tropical trees. Changes in soil moisture availability caused by global climate change and forest fragmentation are therefore likely to alter tropical species distributions, community composition and diversity. en
dc.relation.ispartof Nature en
dc.title Drought sensitivity shapes species distribution patterns in tropical forests en
dc.type Journal Article en
dc.identifier.srbnumber 55461
dc.identifier.doi 10.1038/nature05747
rft.jtitle Nature
rft.volume 447
rft.issue 7140
rft.spage 80
rft.epage 82
dc.description.SIUnit NH-EOL en
dc.description.SIUnit STRI en
dc.citation.spage 80
dc.citation.epage 82


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