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Research article2010Peer reviewedOpen access

Environmental correlates of tree biomass, basal area, wood specific gravity and stem density gradients in Borneo's tropical forests

Slik, J.W.F.; Aiba, Shin-Ichiro; Brearley, Francis Q.; Cannon, Chuck H.; Forshed, Olle; Kitayama, Kanehiro; Nagamasu, Hidetoshi; Nilus, Reuben; Payne, John; Paoli, Gary; Poulsen, Axel D.; Raes, Niels; Sheil, Douglas; Sidiyasa, Kade; Suzuki, Eizi; Valkenburg, Johan L.C.H.


Unlike results from Amazonian forests, soil fertility was an important positive correlate for AGB in Borneo while community wood density, which is a main driver of AGB in the Neotropics, did not correlate with AGB in Borneo. Also, Borneo's average AGB of 457.1 Mg ha-1 was c. 60% higher than the Amazonian average of 288.6 Mg ha-1. We find evidence that this difference might be partly explained by the high density of large wind-dispersed Dipterocarpaceae in Borneo, which need to be tall and emergent to disperse their seeds. Our results emphasize the importance of Bornean forests as carbon sinks and sources due to their high carbon storage capacity.


Above ground biomass; basal area; Borneo; carbon storage; REDD; stem density; tropical forest; wood density

Published in

Global Ecology and Biogeography
2010, Volume: 19, number: 1, pages: 50-60

    UKÄ Subject classification

    Environmental Sciences related to Agriculture and Land-use

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