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Estimation of Stand Growth and CO2 Removals for Juglans mandshurica Plantations in ChungJu, Chungcheongbuk-do in Korea  

Son, Yeong Mo (Korea Forest Research Institute)
Kim, Rae Hyun (Korea Forest Research Institute)
Kim, Young Hwan (Korea Forest Research Institute)
Lee, Kyeong Hak (Korea Forest Research Institute)
Publication Information
Journal of Korean Society of Forest Science / v.98, no.6, 2009 , pp. 646-651 More about this Journal
Abstract
In this study, it was intended to prepare a stem volume table (with or without bark) and a stand yield table for Juglans mandshurica, plantations in Chungju, located in Chungcheongbuk-do, Korea. For the calculation of stem volume, we applied Kozak's growth model, which showed the best fitness index (97%). With this model, it was able to prepare the first yield table for Juglans mandshurica in Korea. Site index model, an indicator of forest productivity, was derived by using the Chapman-Richard model, in which the basic stand age was set to 30 years. The resulted site index ranged between 16 and 22. Based on the yield table of Juglans mandshurica resulted from this study, the volume for a 70-year-old stand with a midium site index class was estimated to be $238m^3/ha$, which is $100m^3/ha$ higher than the volume estimated from the yield table of Quercus acutissima. The yield table of oak trees has been used in the estimation of most broadleaf stands in Korea. However, the result of this study indicated that it is necessary to generate a stand yield table for each broadleaf species. The annual $CO_2$ removals of 30-year-old Juglans mandshurica plantations in the ChungJu region was estimated to be $5.84tCO_2/ha$. The stem volume and stand yield table of Juglans mandshurica plantation resulted from this study would provide a good information in decision making for forest management in ChungJu region.
Keywords
Juglans mandshurica; taper equation; stem volume table; stand yield table; Chapman-Richard model; site index; carbon removal;
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