1990年以来,四川省广安市广安区各级各部门齐抓共管、协同作战,小流域治理取得可喜成效。目前,全区已初步治理的小流域有12条达到国家治理标准,水土流失面积由治理初的1 019.9 km2降到621 km2,年土壤侵蚀模数由治理初的7 350 t/km2降到3 580 t/km2,项目区农民年人均纯收入由治? Since 1990, Guang’an District, Guang’an City, Sichuan Province, departments at all levels make concerted efforts and cooperate with each other to achieve gratifying results in small watershed management. At present, 12 of the small watersheds that have been initially managed in the region have reached the national standard of governance. The area of ​​water and soil loss has dropped from 1 019.9 km2 to 621 km2 in the early stage of management, and the annual soil erosion modulus has dropped from 7 350 t / km2 to 3 580 t / km2, per capita net income of farmers in the project area