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http://dx.doi.org/10.14578/jkfs.2017.106.2.267

Characteristics of Growth and Development of Empirical Stand Yield Model on Pinus densiflora in Central Korea  

Jeon, Ju Hyeon (Division of Forest Industry Research, National Institute of Forest Science)
Son, Yeong Mo (Division of Forest Industry Research, National Institute of Forest Science)
Kang, Jin Taek (Division of Forest Industry Research, National Institute of Forest Science)
Publication Information
Journal of Korean Society of Forest Science / v.106, no.2, 2017 , pp. 267-273 More about this Journal
Abstract
This study was conducted to construct a empirical yield table for Pinus densiflora in real forest. Since existing normal yield tables have been derived by studying and analyzing communities in ideal environment for tree growth, those tables provide more over-estimated values than ones from real forest. Because of this, there are some difficulties to apply the tables to empirical forest except for normal forest. In this study, therefore, we estimated stand growth for real forest on P. densiflora as the representative species of conifers. We used 1,957 sample plot data of P. densiflora in central Korea from National Forest Inventory (NFI) system, and analyzed through estimation, recovery and prediction in order by using Weibull function as a diameter distribution model. Weilbull and Schumacher models were applied for estimating mean DBH and mean basel area and it was found that the site index for P. densiflora in central Korea ranges from 8 to 14 at reference age 30. According to site 12 in the stand yield table, the Mean Annual Increment (MAI) of P. densiflora was $4.42m^3/ha$ at 30 years of age. Compared to existing volume table constructed before, it is showed that MAI of this study were lower. According to the paired t-test that is conducted with the gap of volume values between normal forest and real forest by site index and age, the P-value was less than 0.001 which is recognized to have a statistically significant difference. Based on the results in this study, it is considered to be helpful for practical management and management policy on P. densiflora in central Korea.
Keywords
empirical; growth and yield model; Pinus densiflora;
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Times Cited By KSCI : 2  (Citation Analysis)
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