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Science 10 December 1999:
Vol. 286. no. 5447, pp. 2093 - 2094
DOI: 10.1126/science.286.5447.2093
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Perspectives

ECOLOGY:
Tropical Forest Synergies

Gary Hartshorn and Nora Bynum

The effects of the El Niño-Southern Oscillation on weather are well documented, but ENSO also influences flowering and fruiting of trees in tropical forests. In a Perspective, Hartshorn and Bynum describe new findings (Curran et al.) showing that mass seed production by dipterocarp canopy trees in the Bornean rainforest is dependent on ENSO. They further discuss the negative synergy between logging and dipterocarp recruitment both in and outside of protected areas.

The authors are with the Organization for Tropical Studies, Post Office Box 90630, Durham, NC 27708-0630, USA. E-mail: ghartsho{at}duke.edu; elb{at}duke.edu

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