Phytoplankton diversity of Uppanar River, Cuddalore Coast (South East Coast of India)

The present study was to assess the status of phytoplankton diversity and biomass in order to know the productivity of Uppanar River. A total 58 species were recorded out of 34 species belonged to Bacillariophyceae (diatoms), 13 species to Dinophyceae (Dinoflagellates), 6 species to Cyanophyceae (Blue-greens), 4 species to Chlorophyceae (Green) and 1 species to Chrysophyceae (Silicoflagellates). Present study revealed maximum percentage wise composition, the highest number of Bacillariophyceae (50%) in lower Cyanophyceae (Blue-greens), 4 species to Chlorophyceae (Green) and 1 species to Chrysophyceae wrer recorded.