The average contributive ratio affecting soil erosionbyhumanactivities is 65.6%, and at the same period the contributive ratio by runoff and rainfall is 34.4%.
Article 2 as used in this Law, the term "water and soil conservation" means preventive and rehabilitative measures taken against soil erosion which is caused by natural factors or humanactivities.
第二条本法所称水土保持,是指对自然因素和人为活动造成水土流失所采取的预防和治理措施。
3
The aeolian desertification is a land degradation characterized by wind erosion mainly resulted from the excessive humanactivities in arid, semiarid and part of sub-humid regions in Northern Chian.