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http://dx.doi.org/10.11108/kagis.2016.19.1.012

A Study on the Improvement of Evaluation Indicators for Adjusting Forestland Classification  

KWAK, Doo-Ahn (Forestland Research Center, Korea Forest Conservation Association)
RYU, Keun-Won (Forestland Research Center, Korea Forest Conservation Association)
KWON, Soon-Duk (Division of Forest Welfare, National Institute of Forest Science)
KIM, Won-Kyung (Division of Forest Welfare, National Institute of Forest Science)
Publication Information
Journal of the Korean Association of Geographic Information Studies / v.19, no.1, 2016 , pp. 12-29 More about this Journal
Abstract
The purpose of this study was to improve forestland characteristic evaluation system's indicators for rational development and ecosystem conservation. There has been no consideration for statistical duplication between variables, and it caused inefficient data collection. Furthermore, the same evaluation criteria were applied for all forestlands without considering regionally different characteristics, and it made variation for designation cancel rates of preservation semi-preservation forestlands between cities. To solve these problems, we first removed 'DBH' variable which has a multicollinearity. Second, we applied standard normal distribution for each forest watershed type. As a result of eliminating 'DBH', the numbers of parcels for all grades except A were changed but their numbers and areas were not large enough to consider the change of total score. For the output of analyses with the existing same regional criteria, the total scores of urban type and urban-fringe type forestlands were higher than those of other types. The numbers of parcels for A and B were increased and those for C and E were decreased by applying standard normal distribution. This caused the increase of preservation-oriented parcels. Finally, we suggested a new evaluation method based on standard normal distribution to consider regional forest characteristics and to solve regional imbalance.
Keywords
Forestland Classification Feasibility Survey; Forestland Characteristic Evaluation System; Forestland Classification Map; Preservation and Semi-Preservation Forestland; Forestland Watershed Type;
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Times Cited By KSCI : 3  (Citation Analysis)
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