The proportion of ground- substance decreased in the sequence of soil, bare rocks, scree and remnant vegetation.Newly grown herbs were also found on soil for some the geo-hazards.

• 地质灾害体按基质成分所占比例由大到小依次为土壤、裸岩、流石滩、地被残留物，其中部分灾害体上已经长出草本植物。