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Science 7 November 1997:
Vol. 278. no. 5340, p. 989
DOI: 10.1126/science.278.5340.989m
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This Week in Science

What effect does the partial clearance of the rain forest have on the functioning of the remaining forest fragments? Laurance et al. report that fragmented forests in the Amazon are losing considerable aboveground biomass--up to one-third in some fragments. Sharply elevated tree mortality at the fragment edges is likely caused by microclimatic changes and wind disturbance. This long-term study indicates that the losses are not offset by the recruitment of new trees. [See the news story by Williams.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)