Tree species diversity in commercially logged Bornean rainforest

Science

Volumn 281, Issue 5381, 1998, Pages 1366-1368

  Cannon, Charles H ^a,b   Peart, David R ^c   Leighton, Mark ^d  

^a DUKE UNIVERSITY   (United States)

^b University of Malaysia   (Malaysia)

^c Dartmouth College ^*  (United States)

^d HARVARD UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ECOSYSTEMS; ENVIRONMENTAL ENGINEERING; ENVIRONMENTAL IMPACT; LOGGING (FORESTRY);

TREE SPECIES DIVERSITY; TROPICAL RAINFOREST;

ECOLOGY;

ARTICLE; BIODIVERSITY; BORNEO; ENVIRONMENTAL PROTECTION; FOREST; INDONESIA; PRIORITY JOURNAL; TREE;

EID: 0032575719     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.281.5381.1366     Document Type: Article

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21. 2. Plots were located randomly on transects, within sampling strata defined by disturbance level, to ensure that samples reflected the degree and variability of disturbance characteristic of logged forest. See (4) for details of logging disturbance. Unlogged plots were randomly placed within primary forest remnants in both logged sites. One plot in 1-year logged forest, containing only trees >30 cm diameter, was excluded from the species-per-individual analyses for small trees in Table 1.
22. Data for cumulative numbers of species in Fig. 1, A and B are means from 1000 replications of the order of addition of plot samples within each of unlogged, 1-year, and 8-year samples. The abscissa in Fig. 1, C and D, was obtained by converting the abscissa of Fig. 1, A and B (cumulative area), to cumulative numbers of trees, using known densities of trees per plot in 1-year, 8-year, and unlogged forest, so that species richness could be compared between logged and unlogged forest with samples of the same numbers of trees.
23. Funding was provided by the Conservation, Food and Health Foundation, Inc., and the U.S. Agency for International Development. We thank the Center for Research and Development in Biology of the Indonesian Institute of Sciences (LIPI) for Indonesian sponsorship, the Indonesian Department of Forestry for access to sites, the Institute of Biodiversity and Environmental Conservation (IBEC) of the University of Malaysia, Sarawak (UNIMAS) for use of facilities, and C. L. Folt and three anonymous reviewers for comments on the manuscript.