The mechanism of soil and water loss underground in karst region involves many fields and has internal relevance with the mechanism of rock-soil-water-organism underground.
地下水土流失是水土流失过程中非常重要且常被忽视的部分，喀斯特地下水土流失机理涉及的领域很广，与地下岩—土—水—生物作用机理有着内在的关联性。
Sediment incipient motion mechanism of rainfall runoff is the important theoretical foundation for soil and water loss control on sloping land and comprehensive treatment of watershed.
坡面降雨径流泥沙起动规律研究对控制坡面水土流失、开展流域综合治理具有重要意义。
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