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낙엽송과 잣나무림의 (林) 수고성장곡선 (樹高成長曲線) 및 지위지수에 (地位指數) 관한 연구
조현서,정영관 ( Hyun Seo Cho,Young Gwan Chung ) 한국산림과학회 1985 한국산림과학회지 Vol.68 No.1
Height growth curve to be required for estimating site index was formulated with 10 models based on the average tree height and tree age. Among them, the model of H=Kab^A was evaluated to be best fit for estimating average tree height(H) with tree age (A). Equations, H = 28.364 - 26.125(0.818)^A and H = 26.331 - 25.125 (0.886)^A, were situated from the model for estimating average tree height of Larix leptolepis and Pinus koraiensis, respectively (in this case the tree age was categorized into 0 for 5 -year- old tree, 1 for 10 -year- old tree and 2 for 15 -year- old tree ect.). Result of comparing the site indices calculated by the Bryant method, it was proved that the site index of Larix leptolepis was estimated higher than that of Pinus koraiensis within the limits of site index class 6 to 18. On the contrary the site index of Pinus koraiensis turned out to surpass that of Larix leptolepis at the site index class 20 or over.