论文部分内容阅读
文章以县级行政区为单位,参考《全国水土保持区划导则(试行)》,对广西水土保持措施的水源涵养、土壤保持、蓄水保水、生态维护、水质维护、人居环境维护等功能进行评价,根据评价结果,广西重要水源涵养功能区面积13.25万km~2,重要土壤保持功能区面积3.56万km~2,重要蓄水保水功能区面积8.17万km~2,重要生态维护功能区面积6.49万km~2;重要蓄水保水功能区面积2.00万km~2;重要蓄水保水功能区面积2.36万km~2,同时依据赋分结果,明确了各县级行政区的水土保待主导功能,为更有针对性地制定广西区各地水土保持防治措施提供依据。
Taking the county-level administrative regions as a unit, the functions of water conservation, soil conservation, water storage, water conservation, ecological maintenance, water quality maintenance and human settlements environment maintenance and so on are carried out with reference to "Guidelines for Zonation of Soil and Water Conservation in China (for Trial Implementation) According to the evaluation results, the area of important water conservation functional areas in Guangxi is 132,500 km 2, the important soil conservation functional area is 35,600 km 2, the important water storage and water retention functional area is 81,700 km 2, and the area of important ecological maintenance functional areas 62,900 km ~ 2; important water storage and water conservation functional area of 20000 km ~ 2; important water storage and water conservation functional area of 23,600 km ~ 2, at the same time based on the results of the assignment, clear the dominant function of water and soil conservation So as to provide a basis for making more targeted prevention and control measures for soil and water conservation in Guangxi.