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http://dx.doi.org/10.14578/jkfs.2021.110.4.658

Development of Site Index Curves and Comparison with National Scale for Cryptomeria japonica in Gyeongsang-do  

Park, Hee-Jung (Department of Forestry, Jeonbuk National University)
Choi, Suk-Won (Department of Forestry, Jeonbuk National University)
Ko, Byung-Jun (Department of Forestry, Jeonbuk National University)
Lee, Sang-Hyun (Department of Forest Environment Science, Jeonbuk National University)
Publication Information
Journal of Korean Society of Forest Science / v.110, no.4, 2021 , pp. 658-664 More about this Journal
Abstract
This study aimed to develop accurate status site index curves for C. japonica in Gyeongsang-do that reflect the regional characteristics. The development of high-growth models in Chapman-Richards, Schumacher, and Gompertz for 552 C. japonica growing in Gyeongsang-do. The Gompertz growth function is the most suitable for developing site index curves. The comparative test was analyzed using the F test at a significance level of 5% and the graph. As a result, compared with the national site index curves and site index curves under base age in Jeolla-do, the p-value was 0.05 or higher, and there was no statistically significant difference. The p-value was 0.05 or lower compared with site index curves over stand age in Jeolla-do, indicating a statistically significant difference. Therefore, it was determined that site index curves for C. japonica in Gyeongsang-do can be applied to the national site index curves and site index curves under base age in Jeolla-do, but not to site index curves over base age in Jeolla-do. Hence, based on the results of the study, it is possible to provide basic data on the forest management system for C. japonica in Gyeongsang-do and systematic and reasonable management through high field application reflecting regional characteristics.
Keywords
site index curves; C. japonica; Gyeongsang-do; Gompertz; height growth model;
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