Woody biomass and bioenergy potentials in Southeast Asia between 1990 and 2020

Nophea Sasaki, Wolfgang Knorr, David R. Foster, Hiroko Etoh, Hiroshi Ninomiya, Sengtha Chay, Sophanarith Kim and Sengxi Sun

Applied Energy, 2009, vol. 86, issue Supplement 1, S140-S150

Abstract: Forests in Southeast Asia are important sources of timber and other forest products, of local energy for cooking and heading, and potentially as sources of bioenergy. Many of these forests have experienced deforestation and forest degradation over the last few decades. The potential flow of woody biomass for bioenergy from forests is uncertain and needs to be assessed before policy intervention can be successfully implemented in the context of international negotiations on climate change. Using current data, we developed a forest land use model and projected changes in area of natural forests and forest plantations from 1990 to 2020. We also developed biomass change and harvest models to estimate woody biomass availability in the forests under the current management regime. Due to deforestation and logging (including illegal logging), projected annual woody biomass production in natural forests declined from 815.9Â million tons (16.3Â EJ) in 1990 to 359.3Â million tons (7.2Â EJ) in 2020. Woody biomass production in forest plantations was estimated at 16.2Â million tons yr-1 (0.3Â EJ), but was strongly affected by cutting rotation length. Average annual woody biomass production in all forests in Southeast Asia between 1990 and 2020 was estimated at 563.4Â million tons (11.3Â EJ) yr-1 declining about 1.5% yr-1. Without incentives to reduce deforestation and forest degradation, and to promote forest rehabilitation and plantations, woody biomass as well as wood production and carbon stocks will continue to decline, putting sustainable development in the region at risk as the majority of the population depend mostly on forest ecosystem services for daily survival.

Keywords: Woody; biomass; Wood; bioenergy; Deforestation; Forest; degradation; Land; use; change; Selective; logging; Southeast; Asia (search for similar items in EconPapers)
Date: 2009
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Citations: View citations in EconPapers (21)

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