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汉中地区列为长江上游重点防治区的略阳、宁强、镇巴三县,总土地面积9461平方公里,解放初共有水土流失面积4344平方公里。据1984年水保区划统计共治理水土流失面积1203.4平方公里,由于边治理、边破坏,新增水土流失面积1504平方公里,治理破坏抵销后,尚有水土流失面积4644.6平方公里。破坏大于治理而造成的惨痛教训,使我们认识到重治轻防的思想必须改变。1989年三县被列为“长治”工程后,我们坚决贯彻以防为主的方针,把预防管理纳入“长治”工作的重要内容来抓,从加强领导,建立预防监督体系入手,地县建立了预防监督机构,三县分别制定了水土保持预防监督管理办
Hanzhong region as a key area for the control of the upper reaches of the Yangtze River Lueyang, Ningqiang, Zhenba three counties, with a total land area of 9,461 square kilometers, liberation of a total area of 4344 square kilometers of soil erosion. According to the 1984 statistics, a total of 1203.4 square kilometers of water and soil erosion were managed and treated. As a result of the side-control and side destruction, the area of newly-added soil and water erosion was 1504 square kilometers. After the elimination of the management damage, there were 4644.6 square kilometers of water and soil loss. To sabotage painful lessons that are greater than governance makes us realize that the thought of remediation and prevention must be changed. After the three counties were listed as the “Changzhi” project in 1989, we resolutely implemented the principle of prevention first and included prevention management in the important content of “Changzhi” work. Starting with strengthening leadership and establishing a system of prevention and control, we established the county Prevention and supervision agencies, three counties have formulated soil and water conservation prevention supervision and administration office