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二、区域范围与规划开发意义 本文所指三峡地区包括湖北省的宜昌市、宜昌地区、巴东县;四川省的万县地区、涪陵地区和黔江地区。总面积8.25万km~2,人口约1800万。 该区的主体和中心区域是长江三峡(全长195km流经的川东鄂西山地,自然环境结构具有相对一致性。在全国大地形单元中,属东部第三阶梯向中部第二阶梯隆起的地带。北部是大巴山、中部是巫山,南部是武陵山。山地海拔多在1000m以上,最高达3150m。山地和高丘
Second, the scope of the region and the significance of planning and development This article refers to the Three Gorges region, including Yichang City in Hubei Province, Yichang, Badong County; Wan County in Sichuan Province, Fuling and Qianjiang area. The total area of 82,500 km ~ 2, the population of about 18 million. The main and central area of this area is the Yangtze River Three Gorges (a total length of 195km flowing through the western Sichuan mountain western Hubei Province, the natural environment structure is relatively consistent in the national large terrain units, belonging to the eastern third step to the central second step uplift Strip north of Daba Mountains, the central is Wushan, the southern Wuling Mountain. Mountain more than 1000m above sea level, up to 3150m. Mountains and hills