This study described community structure of phytoplankton,zooplankton,aquatic vascular vegetation and macro benthic invertebrate in Haihe River and the characteristics of ecosystem of Haihe River.

• 本文以调查、分析海河浮游植物、浮游动物、水生维管束植物和大型底栖生物等主要生物群落现实结构为主，系统分析了海河水生生态系统状况。