Investigation on the planktonic algae in Qionghai lake wetland of Sichuan

In this research,we surveyed the species and distribution status of phytoplankton in the Qionghai lake wetland.The results showed that there were 102 species in total belonging to 8 phyla 45 families 69 genera,of which 25 genera 34 species 1 variety to Chlorophyta,16 genera 23 species to Cyanophyta,13 genera 19 species to Bacillariophyta,5 genera 12 species to Euglenophyta,4 genera 5 species to Xanthophyta,3 genera 3 species to Dinophyta,2 genera 3 species to Chrysophyta,1 genera 2 species to Cryptophyta.Evaluating based on indicator species,the water quality in the Qionghai lake wetland was α-mesosaprobic and β-mesosaprobic.