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Development of Volume Growth Rate Model for Major Quercus Species in Korea  

Shin, Man Yong (Department of Forst Resources, Kookmin University)
Kim, Sung Ho (Division of Forest Resource Information, Korea Forest Research Institute)
Jeong, Jin-Hyun (Division of Forest Resource Information, Korea Forest Research Institute)
Kim, Chong Chan (Division of Forest Resource Information, Korea Forest Research Institute)
Jeon, Eo Jin (Department of Forst Resources, Kookmin University)
Publication Information
Journal of Korean Society of Forest Science / v.97, no.6, 2008 , pp. 627-633 More about this Journal
Abstract
This study was conducted to estimate volume growth rates for major Quercus species distributed in Korea, and based on the data collected from the 5th National Forest Inventory. Volume growth rates were estimated by each age class for each species, and their similarity or distinction was statistically analyzed. It was also intended to compare the resulted volume growth rates with the existing growth rates, and to develope a volume growth rate estimation model for the Quercus species. Six major Quercus species were considered in this study; Quercus acutissima, Quercus aliena, Quercus serrata, Quercus variabilis, Quercus dentata, and Quercus mongolica. Based on the data collected from the 5th National Forest Inventory, the diameter growth rates and the height growth rates were estimated for each species, and then the volume growth rates were estimated with the given diameter and height growth rates. To examine the distinction between species or age classes, statistical analyses such as ANOVA and Duncan's multiple range test were applied. The results indicated that the volume growth rate was 10% in the age class II, 6% in the age class III, and lower in the subsequent classes. In addition, the volume growth rates of Quercus acutissima, Quercus aliena, and Quercus serrata were relatively high compared to those of Quercus variabilis, Quercus dentata, and Quercus mongolica. According to their growth rates, the six Quercus species were classified into two groups; high-growth-rate group and low-growth-rate group. Statistical analysis conducted to examine the difference between and within the groups showed that there is no significant difference within groups, while significant between groups. Based on the results, volume growth rate estimation model were finally developed for each group. The classification of the Quercus species suggested in this study was not the same with that of existing volume growth estimation. Thus, it is necessary to improve the existing volume growth rate or its estimation system.
Keywords
oak species; volume growth; national forest inventory; duncan's multiple range test;
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Times Cited By KSCI : 2  (Citation Analysis)
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