Study On The Law And Preventive Measures Of Soil And Water Loss In North Huaihe River Area Of Anhui Province

Soil and water loss results from the comprehensive effects of human activities and natural factors. In recent years, since the rapid development of industry and unreasonable farming and agronomic production techniques in North Huaihe River Area of Anhui Province, intra-regional vegetation has been damaged in some degrees, that cause soil structure worse and soil nutrient declined; At same time, effective topsoil become shallow, the channel is silted and land degradation tend to be aggravated year by year. Thus, it is important to study on the law and preventive measures of soil and water loss of North Huaihe River Area of Anhui Province. The main presented in this thesis consists of the present situation investigation and evaluation of soil and water loss, the experimental study on the law of soil and water loss, and soil and water conservation measures and ecological rehabilitation mode. On the basis of survey, investigation and data collection, the law of soil and water loss is discussed, soil and water conservation measures is analyzed, and the mode of soil and water conservation for ecological environment rehabilitation in plain region is put forward, through counting and summing up various soil and water loss influencing factors of different regions of soil erosion types.