Forest Activity Classification System of Small Watershed Area using GIS (II) : Forest activity classification system in case of raster
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概要
- 論文の詳細を見る
A method to evaluate the forest function in a small watershed area in every raster was shown. Concurrently, the influence of the raster size on forest function evaluation was analyzed by changing the raster size (10m, 20m, 50m). As a result of comparison with function classification in a small sub-compartment unit, from conversion accuracy of vector information and presumed result of inclination angle, it was considered that a raster size of 10m×10m is optimum for forest function evaluation in a small watershed area. As for comparison of a forest in a small sub-compartmentunit and raster unit, the areas for the timber production, public health and recreation, and selection cutting water source conservation functions increased. Conversely, a decrease in the areas for erosion production and reserved water source conservation functions was recognized.
- 森林計画学会の論文
著者
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Abe Nobuyuki
Faculty of Agriculture, Niigata University
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Abe Nobuyuki
Faculty Of Agriculture Niigata University
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Kamioka Hisaaki
Faculty Of Agriculture Niigata University
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Kamioka H
Niigata Univ. Niigata Jpn
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Benitani Ryo
Faculty of Agriculture, Niigata University
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Benitani Ryo
Faculty Of Agriculture Niigata University
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