Reducing Carbon Emissions through Improved Forest Management in Cambodia

Published Date

DOI: 10.4236/lce.2013.44A006

Author(s)    

Nophea Sasaki, Issei Abe, Vathana Khun, Somanta Chan, Hiroshi Ninomiya, Kimsun Chheng

Affiliation(s)

Graduate School of Applied Informatics, University of Hyogo, Kobe, Japan

Graduate School of Applied Informatics, University of Hyogo, Kobe, Japan

Forestry Administration, Phnom Penh, Cambodia

Graduate School of Applied Informatics, University of Hyogo, Kobe, Japan

Graduate School of Applied Informatics, University of Hyogo, Kobe, Japan

Forestry Administration, Phnom Penh, Cambodia

ABSTRACT

Carbon emissions from selectively logged forests in the tropics are strongly affected by logging practices. Although tropical forests are mainly managed under the concession system, only a handful of studies were done to assess the impact of logging practices on emission reductions and future timber supply. In this report, carbon stocks, timber supply, and carbon emission reductions under conventional logging (CVL), reduced-impact logging (RIL), and RIL with special silvicultural treatments (RIL+) were assessed in 3.4 million ha of concession forests for a 55-year project time span. Carbon emissions under a 25-year CVL practiced in Cambodia were estimated at 12.4 TgCO₂ year^-1 for 55 years. We then tested four cutting cycles of selective logging and our results suggest that a 45-year selective cutting cycle was appropriate for managing concession forests in Cambodia in terms of maintaining commercial timber supply and reducing carbon emissions. By considering RIL or RIL+ as a new logging practice for improving forest management in the tropics, carbon credits from selective logging in Cambodia were estimated at 6.2 - 7.9 TgCO₂ or about $31.0 - 39.5 million annually if carbon is priced at $5. It is concluded that RIL or RIL+ should be adopted for “sustainable management of forests” element of the REDD+ scheme.

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