河流水生态环境质量评价技术指南 (试行) 国家水体污染控制与治理科技重大专项 流域水污染防治监控预警主题 “流域水生态环境质量监测与评价研究”课题组 二零一四年六月 - 1 - 目 录 前言 .................................................................................................................................................. 1 1 总则 .............................................................................................................................................. 2 1.1 编制目的 ............................................................................................................................ 2 1.2 适用范围 ............................................................................................................................ 2 1.3 指导原则 ............................................................................................................................ 2 1.3.1 科学实用原则 ......................................................................................................... 2 1.3.2 因地制宜原则 ......................................................................................................... 2 1.3.3 循序渐进原则 ......................................................................................................... 2 1.4 引用文件 ............................................................................................................................ 2 1.5 术语与定义 ........................................................................................................................ 2 1.5.1 河流 River .............................................................................................................. 2 1.5.2 水生态环境质量 Water Eco-environment Quality ................................................ 3 1.5.3 生境 Habitat ........................................................................................................... 3 1.5.4 着生...