Prediction of Mortality and Yield for Chamaecyparis obtusa Using Stand Density Management Diagram
2018
Park, J.H., National Institute of Forest Science, Jinju, Republic of Korea | Yoo, B.O., National Institute of Forest Science, Jinju, Republic of Korea | Lee, K.S., National Institute of Forest Science, Jinju, Republic of Korea | Park, Y.B., National Institute of Forest Science, Jinju, Republic of Korea | Kim, H.H., Gyeongsang National University, Jinju, Republic of Korea | Jung, S.Y., National Institute of Forest Science, Jinju, Republic of Korea
This study aims to make the stand density management diagram which is useful for establishing stand density management system in Chamaecyparis obtusa forest. By using 216 sample plots to estimate Yield-Density relationship (R² =0.743), the stand density management diagram was modeled by the estimated parameters. As a result of this diagram, after planting 3,000 trees per hectare the mortality rate of this unthinned C. obtusa stands over 80 years was estimated to be equal to 12.0~18.1 treesㆍha-¹ㆍyear-¹, and stand volume was 463.1~695.4 m3 ㆍha-¹, and stand density was 1,555~2,038 treesㆍha-¹. Developed stand density management diagram for C. obtusa is effective to establish the management criteria and production objective. Therefore, this study allowed us to make the optimal forest working plan.
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