About KITAHARA HIKARU
About ONO HIROSHI
About ATSUJI MAKOTO
About forest
About root system
About slope failure
About Chamaecyparis obtusa
About tree (plant)
About prevention
About pull-out resistance
About breast-height diameter
About slope stability
About artificial forest
About university forest
About tree species
About tree
About Slope stability,deformation by excavating
About Forest mensuration(=dendrometry)
About 森林
About 根系
About 崩壊
About 分布