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Fusakazu TANIGUCHI
Erosion Control Division Civil Engineering Department Nara Pref. Govemment
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Kouichi OGAWA
Sabo Section of Asia Air Survey Co., Ltd
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Mayumi EGUCHI
Sabo Section of Asia Air Survey Co., Ltd
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Kazuya YAMAGUCHI
Sabo Section of Asia Air Survey Co., Ltd
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Takahisa MIZUYAMA
Department of Forestry Sience, Graduate School of Kyoto University
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Ken'ichiro KOSUGI
Department of Forestry Sience, Graduate School of Kyoto University