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Estimating the Spatial Distribution of Forest Stand Volume in Gyeonggi Province using National Forest Inventory Data and Forest Type Map  

Kim, Eun-Sook (Division of Forest Resource Information, Korean Forest Research Institute)
Kim, Kyung-Min (Division of Forest Resource Information, Korean Forest Research Institute)
Kim, Chong-Chan (Division of Forest Resource Information, Korean Forest Research Institute)
Lee, Seung-Ho (Division of Forest Resource Information, Korean Forest Research Institute)
Kim, Sung-Ho (Division of Forest Resource Information, Korean Forest Research Institute)
Publication Information
Journal of Korean Society of Forest Science / v.99, no.6, 2010 , pp. 827-835 More about this Journal
Abstract
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, polygonlevel stand volume map was developed with spatial uncertainty map. Average stand volume was estimated at 85.7 $m^3$/ha in the study area, and at 95% significance interval it was ranged from 79.7 $m^3$/ha to 91.8 $m^3$/ha.
Keywords
stand volume; national forest inventory; forest type map; spatial distribution;
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