Rain forest fragmentation and the proliferation of successional trees

Ecology
William F LauranceRobson L Capretz

Abstract

The effects of habitat fragmentation on diverse tropical tree communities are poorly understood. Over a 20-year period we monitored the density of 52 tree species in nine predominantly successional genera (Annona, Bellucia, Cecropia, Croton, Goupia, Jacaranda, Miconia, Pourouma, Vismia) in fragmented and continuous Amazonian forests. We also evaluated the relative importance of soil, topographic, forest dynamic, and landscape variables in explaining the abundance and species composition of successional trees. Data were collected within 66 permanent 1-ha plots within a large (approximately 1000 km2) experimental landscape, with forest fragments ranging from 1 to 100 ha in area. Prior to forest fragmentation, successional trees were uncommon, typically comprising 2-3% of all trees (> or =10 cm diameter at breast height [1.3 m above the ground surface]) in each plot. Following fragmentation, the density and basal area of successional trees increased rapidly. By 13-17 years after fragmentation, successional trees had tripled in abundance in fragment and edge plots and constituted more than a quarter of all trees in some plots. Fragment age had strong, positive effects on the density and basal area of successional trees, with no ind...Continue Reading

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Citations

Oct 20, 2007·Biological Reviews of the Cambridge Philosophical Society·Robert Muscarella, Theodore H Fleming
Dec 7, 2006·Proceedings of the National Academy of Sciences of the United States of America·William F LauranceSammya D'Angelo
Jan 4, 2008·American Journal of Public Health·Nancy Krieger
Sep 2, 2006·The American Naturalist·Benjamin GilbertHenrique E M Nascimento
Feb 5, 2013·Trends in Ecology & Evolution·Felipe P L MeloMarcelo Tabarelli
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Feb 3, 2009·Conservation Biology : the Journal of the Society for Conservation Biology·Peter I MacreadieMichael J Keough
Jun 21, 2008·Annals of the New York Academy of Sciences·Christopher J WhelanRobert J Marquis
Jul 26, 2007·Conservation Biology : the Journal of the Society for Conservation Biology·Robert M Ewers, Raphael K Didham
Mar 28, 2013·Conservation Biology : the Journal of the Society for Conservation Biology·Lauren M Porensky, Truman P Young
Jun 27, 2014·Ecology and Evolution·Marion PfeiferRobert M Ewers
Sep 12, 2014·The New Phytologist·Carlos A JolyMarcelo Tabarelli
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