Development of Stem Profile and Taper Equation for Quercus acuta in Jeju Experiment Forests
2010
Chung, Y.G., Warm Temperate Forest Research Center, Korea Forest Research Institute, Seoguipo, Republic of Korea | Kim, D.H., Korea Forest Research Institute, Jinju, Republic of Korea | Kim, C.M., Warm Temperate Forest Research Center, Korea Forest Research Institute, Seoguipo, Republic of Korea
Data with collected from 278 trees sampled through out the climatic range of Quercus acuta in Jeju Experiment Forests. The models tested to select the best-fit equations form the Max and Burkhart's model, Kozak's model, and Lee's model. Performance of the equations in predicting of residuals on predicted values. In result, all three models gave slightly better values of fit statistics. In plotting residuals against predicted diameter, Max and Burkhart's model showed underestimation in predicting small diameter and Lee's Model did the same in predicting small diameter. Based on the above analysis of three models in predicting stem taper, Kozak's model was chosen for the best-fit stem taper equations, and its parameter estimates was given for Quercus acuta. Kozak's model was used to develop a stem volume table outside bark for Quercus acuta.
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