Forest influences upon occurrences of slope failures on steep slopes
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概要
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Regarding the relation of forest conditions and occurrences of landslides having relatively shallow depth on steep slopes, there are some oppinions that the existence of forest may have a reverse effect in landslide prevention.After investigating several characteristics of forest lands and states of landslide occurrences on many mountaineous areas, I induce that good forests would generally display the good function of slope failure prevention. This is mainly owing to the role of forest root systems which fasten the soil so tight that the strength of weathered surface soil layers increases tolerably.On the prevention of individual small failures, however, there are many unsolved problems such as figures of root systems on various soil conditions or the meaning of them in soil mechanics.
- 社団法人 日本地すべり学会の論文
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- Forest influences upon occurrences of slope failures on steep slopes