Qualitative Study of Phytoplankton and Zooplankton in Upper Lake, Bhopal

Qualitative study of phytoplankton and zooplankton in the upper lake of Bhopal during July 2004 to June 2005, was studied. Phytoplankton composed of 9 species of Chlorophyceae, 5 species of Bacillariophyceaei, 6 species of Cynaphyceae, Euglnophycae, Charophyceae and Zooplankton composed of 3 species of protozoas, 5 species of Rotifers, 8 species of Crustaceae and Meroplankton organisms mainly consisting of insects. The major phytoplankton and zooplankton species which created problem in the water treatment as observed were Spirogyra, Ulothrix, Cyclotella, Syndera, Microspora etc. Zooplanktons as indications of eutrophication as observed were Daphnia, Amoeba, Euglena, Mesocyclops, Dapharosoma. Meroplanktonic organisms decreased from upstream to down stream regions.