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大连市地处千山余脉,属低山丘陵区。由于自然和人为因素,特别是随着改革开放,资源开发、生产建设速度加快,许多厂矿、单位和个人忽视水土保持,致使植被遭到很大破坏,水土流失严重。到1985年,全市水土流失面积达8307平方公里。1981年夏季,我市北部山区发生的泥石流,造成山体滑坡3163处,侵蚀量达248万立方米,水冲沙压耕地6933公顷,毁坏房屋5773间,死亡316人,长大铁路停车7昼夜,直接经济损失达5.9亿元。水土流失带来的危害,不仅使这些地区本来已
Located in Qianshan Mountains, Dalian is a hilly area. Due to natural and man-made factors, especially with the acceleration of reform and opening up, resource development and production and construction, many factories, mines and units and individuals ignore the soil and water conservation, resulting in great destruction of vegetation and serious soil erosion. By 1985, the city’s soil erosion area of 8307 square kilometers. In the summer of 1981, debris flows in the mountainous areas in the northern part of the city resulted in 3163 landslides and 2.48 million cubic meters of erosion. Water erosion hit 6933 hectares of cultivated land, destroyed 5773 houses and 316 deaths. The long-distance railway stopped for 7 days and nights, Direct economic loss of 590 million yuan. The harm caused by soil erosion not only makes these areas already exist