目 录1前言...................................................................................................................................................11.1项目背景...............................................................................................................................11.2评估依据...............................................................................................................................21.3评估目的...............................................................................................................................32建设项目所在区域概况....................................................................................................................42.1自然条件...............................................................................................................................42.1.1地理位置....................................................................................................................42.1.2地形地貌....................................................................................................................52.1.3气象、水文................................................................................................................62.2经济社会进展状况................................................................................................................62.2.1经济状况....................................................................................................................62.2.2社会进展....................................................................................................................72.3基础设施...............................................................................................................................73建设项目基本概况...........................................................................................................................73.1项目基本情况........................................................................