南京港龙潭港区四期工程(集装箱二期)环境影响报告书(简写本)建设单位:南 京 港 口 建 设 指 挥 部评价单位:中交第二航务工程勘察设计院二○○六年三月目 录1.0 总 论.................................................11.1 项目建设的必要性.............................................................11.2 评价目的.....................................................................21.3 评价依据.....................................................................21.4 评价标准.....................................................................31.5 评价等级、评价范围和评价重点.................................................61.6 环境保护目标.................................................................71.7 评价预测时段.................................................................71.8 评价方法.....................................................................72.0 工程概况.................................................82.1 工程地理位置.................................................................82.2 工程建设方案.................................................................83.0 环境现状................................................113.1 自然环境概况................................................................113.2 社会经济概况................................................................113.3 水环境现状..................................................................123.4 底质现状....................................................................123.5 环境空气现状................................................................123.6 声环境现状..................................................................123.7 生态环境现状................................................................124.0 环境影响评价............................................144.1 水环境影响..................................................................144.2 环境空气影响................................................................144.3 声环...