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1991年淮河流域遭受了历史上罕见的特大洪涝灾害,灾情十分严重。痛定思痛,应该说这次灾害原因是多方面的,其中河道淤积排水不畅不能不算是一个重要的因素,河道淤积的最大原因是水土流失造成的。仅有12％左右森林覆盖率的淮河流域是控制不住水土流失的。在这大治之年,绝不能忽视搞好水土保持工作。1991年国务院治淮治太决定中要求治淮的第一条任务就是“加强山丘区水利建设,进行小流域综合治理,搞好水土保持……”。水土保持的目的是恢复生态平衡,这一点是无可非议
In 1991, the Huaihe River Basin suffered a rare catastrophe in history. The disaster was very serious. Inequitable pain, it should be said that the reasons for the disaster are many, including silt drainage sluggish can not be regarded as an important factor, the largest reason for river siltation is caused by soil erosion. Only about 12% of the forest coverage of the Huaihe River basin is uncontrollable soil and water loss. In this great year, we must not neglect to do soil and water conservation work. In 1991, the State Council decided to rule Huaiji too decided the first task of requiring Huai River is “to strengthen the hills and water conservancy construction, comprehensive management of small watershed, improve soil and water conservation ......”. It is beyond reproach that the purpose of soil and water conservation is to restore the ecological balance