Estimating the Spatial Distribution of Forest Stand Volume in Gyeonggi Province using National Forest Inventory Data and Forest Type Map
2010
Kim, E.S., Korea Forest Research Institute, Seoul, Republic of Korea | Kim, K.M., Korea Forest Research Institute, Seoul, Republic of Korea | Kim, C.C., Korea Forest Research Institute, Seoul, Republic of Korea | Lee, S.H., Korea Forest Research Institute, Seoul, Republic of Korea | Kim, S.H., Korea Forest Research Institute, Seoul, Republic of Korea
Reliable forest statistics provides important information to meet the UNFCCC. In this respect, the national forest inventory has played a crucial role to provide the reliable forest statistics for several decades. However, the previous forest statistics calculated by administrative district has not provided spatial information in a small scale. Thus, this study focused on developing models to estimate an explicit spatial distribution of forest growing stock. For this, first, stand volume model by stand types was developed using National Forest Inventory(NFI) data. Second, forest type map was integrated with this model. NFI data were used to calculate plot-level stand volume and basal area. The stand types of NFI plot including the species composition, age class, DBH class and crown density class are very crucial data to be connected with forest type map. Finally, polygon-level stand volume map was developed with spatial uncertainty map. Average stand volume was estimated at 85.7 ㎥/ha in the study area, and at 95% significance interval it was ranged from 79.7 ㎥/ha to 91.8 ㎥/ha.
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