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Biomass Expansion Factors(BEFs) for Quercus acuta According to Age Classes  

Lee, Sang-Tae (Southern Forest Research Center, KFRI)
Hwang, Jae-Hong (Forest Practice Research Center)
Lee, Kyung-Jae (Forest Practice Research Center)
Shin, Hyun-Cheol (Southern Forest Research Center, KFRI)
Kim, Byung-Bu (Korea National Park Service)
Park, Mun-Seub (Southern Forest Research Center, KFRI)
Jun, Kwon-Suk (Southern Forest Research Center, KFRI)
Cho, Hyun-Seo (Department of Forest Resources, Jinju National. Univ.)
Publication Information
Korean Journal of Environment and Ecology / v.21, no.6, 2007 , pp. 554-558 More about this Journal
Abstract
Current biomass stock of forest has been calculated by using biomass expansion factors (BEFs) that convert timber volumes to dry weight and stem density. The objective of this study was to estimate stem density values and to develop BEFs that are dependent on tree age classes for Quercus acuta stands in Jeonnam Wando-gun. Sample trees on the three different age classes were harvested to obtain each components biomass with stem analysis. Stem density values as tree age classes were ranged from 0.557 to 0.636. Aboveground BEFs were ranged from 1.168 to 1.324. BEFs were increased with increasing age classes. There was a significant difference between BEFs and stem density values with tree age classes. These results suggest that the reliability of the national carbon stock inventory could be improved by applying age classes BEFs, which are formulated on the basis of representative for Quercus acuta.
Keywords
DRY WEIGHT; STEM DENSITY; CARBON STOCK;
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Times Cited By KSCI : 2  (Citation Analysis)
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