e-ISSN 2231-8542
ISSN 1511-3701

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Valuation of Carbon Stock and Carbon Sequestration in Ayer Hitam Forest Reserve, Puchong

Ismariah A. and Ahmad Fadli S.

Pertanika Journal of Tropical Agricultural Science, Volume 30, Issue 2, August 2007

Keywords: C sequestration, economic value, forest biomass, tropical forest

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The study estimated the physical and monetary value of forest biomass and the existing stored carbon (C), and the rate of C sequestration by vegetation in Ayer Hitam Forest Reserve (AHFR), Puchong, Selangor. The estimates used direct measurement - based method by a sample survey of AHFR where both above-ground and below-ground C pools were considered. Allometric biomass equations were applied to estimate individual tree biomass per hectare. The total amount of forest biomass - above-ground and below-ground - ranged from 209 to 222 t ha-1 and the corresponding quantity of C stock ranged from 104 to 111 t ha-1. The rate of change of the C stocks was between 4 and 6.5 t ha-1 yr-1. Such rate of C sequestration was relatively high, comparable with sequestration rate of fastgrowing Mahagony (sweitenia macrophylla) plantation. Using a weighted average price of carbon ranging from USD4.00 t-1 to USD50 t-1, the estimates of the value of C stock ranged from RM1,654 ha-1 to RM20,800 ha-1. The corresponding value of AHFR as a carbon sink thus amounted to RM2.06-25.96 million. In terms of the dynamics, the estimates of the value of C sequestration ranged from RM 0.87 million to RM 1.45 million yr-1. The information is very useful in estimating the total economic value of AHFR and other tropical forests in future.

ISSN 1511-3701

e-ISSN 2231-8542

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