About MURAKAMI WATARU
About OGAWA AKIHO
About 森林総合研究所研究報告
About slope failure
About tree (plant)
About forest
About wind damage
About geographical distribution
About Buxaceae
About direction
About wind speed
About typhoon
About Izu Oshima Island
About wind-felled tree
About eudicotyledons
About Slope stability,deformation by excavating
About Forest botany
About Natural disasters
About 台風
About 伊豆大島
About 崩壊
About 斜面
About 周辺
About 風倒木