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Forest Department Sarawak, Kuching.
Curran, L.M. et al. (,**.) Lowland forest
loss in protected areas of Indonesian Borneo. Science, -*-, +***ῌ+**-.
Davies, S. J.
et al. (+332) Comparative ecology of ++ sympatric species of Macaranga in Borneo :tree distribution in relation to horizontal and vertical resource heterogeneity.
Journal of Ecology, 20, 00,ῌ01-.
Hattori, D. et al. (,**/ a) Soil characteristics
under three vegetation types associated with shifting cultivation in a mixed
dipterocarp forest in Sarawak, Malaysia. Soil Science & Plant Nutrition, /+ (,), ,-+ῌ,.+.
Hattori, D. et al. (,**/ b) Experimental Planting of Dipterocarp Seedlings forRestoration of the Degraded Mixed Dipterocarp Forest in Sarawak, Malaysia withSpecial Reference to E#ects of Soil Properties and Light Condition on Survival ofSeedling. (Submitted) KTA Agriculture Consultancy (+33-) Semi-detailed Soil
Survey of Niah Agroforestry Area. p. +ῌ+*, KTA Agriculture Consultancy Sdn. Bhd.,
Kuching.
Ohta, S. et al. (,***) Are soils in degraded dipterocarp forest ecosystems deteriorated? A comparison of Imperata grasslands, degraded secondary forests, and primary forests. In Rainforest Ecosystems of East Kalimantan : El Niño,Drought, Fire and Human Impacts, p. .3ῌ/2, Springer-Verlag, Tokyo.
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(+333) Soil taxonomy : a basic system of soil classiﬁcation for making and interpreting soil surveys. USDA-NRCS Agric. Handbook., vol. .-0, U.S. Govt. Print. O$ce,
Washington, DC. Whitmore, T.C. (+332) Pioneer and climax tree species. In An
Introduction to Tropical Rain Forests, p. ++--+,*, Oxford University Press, NewYork.

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