In warm and humid landslide-prone areas, root channels, faunal tunnels, shrinkage cracks and inter-aggregate porosity are common in vadose zones of hillslopes.

• 摘要在气候温湿的滑坡灾害易发区，根系通道、动物通道、干裂缝及团聚体间的结构性孔隙等大空隙普遍存在于斜坡非饱和带中。