衡水湖湿地水质状况变化分析及保护措施

衡水湖是华北平原惟一保持完整的内陆淡水湿地生态系统，加强水质监测及综合污染变化趋势、单项污染年内变化趋势、分层水质变化、引黄前后水质变化趋势研究，在衡水湖水资源保护工作中具有十分重要的地位和意义．

An Analysis of the Changes of Water Quality in Hengshui Lake Wetland and Some Protection Measures

Hengshui Lake is the only one of the eco-systems of the inland freshwater wetland that remains complete in the North China plain.The study of the supervision of water quality,the changing trends of comprehensive pollution as well as single pollution in a year,the change of water quality of stratification and the changing trend of water quality before and after diverting water from Yellow River is of great significance in the protection work of Hengshui Lake water resource.