水土综合整治是秦巴山区防洪减灾和改善生存环境的必然选择

Integrated Management: The Certainty Choice of Flood Hazard Control and Ecological Rehabilitation in Qin-Ba Mountainous Region

为了防灾减灾 ,改善陕南秦巴山区群众的生存环境 ,对该区基本情况及洪灾发生情况作了介绍 ,对灾害原因进行了分析。认为造成川道水毁的原因 ,既有自然因素 ,也有人为因素 ,其中人为因素包括改河造田 ,缩小河道断面 ,没有为洪水留足出路 ,上游水土保持防治工作滞后和沟道河流疏浚跟不上等。今后 ,秦巴山区防洪减灾、改善生存环境的对策是 :妥善处理好人与自然的关系 ,变与洪水争地为给洪水以出路 ,统筹兼顾山上与山下的关系 ,加强上游水土流失综合整治 。

In order to prevent and reduce natural calamities, improve people's living environment in Qin-Ba mountainous area in the south of Shaanxi, general situation and flood disasters in this area are introduced and the causes of disaster are analyzed. The reasons causing river bank destroyed by flood is not only natural factors but also human factors, including altering river beach for farmland, contracting river section, not leaving outlets for flood, soil and water conservation deficiency in the upper reaches and river scouring lagging, and so on. Countermeasures for preventing and reducing disasters and improving environment are that dealing with the relation between human and nature properly, changing contesting land with flood into leaving outlets for flood, making overall plans, reinforcing soil erosion comprehensive control in the upper reaches and enhancing soil and water conservation preventing supervision and river scouring.