广东肇庆星湖浮游生物及其与水质的关系

1996年4月至1997年8月对广东肇庆星湖5个子湖泊的浮游生物进行6次调查．观察到浮游藻类82种，浮游动物中轮虫56种，枝角类19种，桡足类19种．不同子湖浮游生物的种类组成、优势种类及其季节变动均有不同．对星湖水生生物的分析可以得出，各子湖水质优劣程度为中心湖＞青莲湖＞里湖＞波海湖.

Plankton and its relationship with water quality in Lake Star, Zhaoqin, Guangdong

Investigation on the plankton of Lake Star, composed of five small connected lakelets, in Zhaogin, Guangdong were carried out for six times from April 1996 to August 1997. 82 species of phytoplankton as well as 56 species of Rotifera,19 species of Copepoda, 19 species of Cladocera were identified. Planktonic species composition, dominant species and seasonal change varied in different lakelets. Evaluation based on planktonic analysis suggested that water quality of the four lakelets from the better to the worse were Lake Zhongxin, Lake Qinglian, Lake Li, Lake Bohai in sequence