延河流域浮游生物群落多样性的调查

Study on the Community Diversity of Planktons in Yanhe River Basin

调查研究了延河浮游生物的种类组成、优势种组成以及延河的水环境状况。共记录藻类、原生动物、轮虫、桡足类和枝角类38种,其中绿藻的种类最多,占26.32%,裸藻最少,占5.26%,同时对水环境状况也进行了分析讨论。

Investigate to plancton species composition, dominant species and acquatic enviornment about Yanhe riv- er basin.. There are thirty - eight species, such as algae, protozoan, protifera, copepoda and cladocera. And the spe- cies of chlorophyta is the most, 26.32% ,the species of euglenophyta is the least, 5.26%. Moreover,we analysed and discused the water body of the acquatic environment.