Relationship Analysis between Phytoplankton Diversity and Water Quality of Lower Lake of Bhopal

Quantitative evaluation of phytoplankton was carried out in different sites of lower lake of Bhopal (M.P.) during study period. The Chlorophyceae is dominant among Cyanophyceae, Bacillariophyceae, Euglenophyceae and Dinophyceae. The Boyd’s index indicates that lower lake is moderately polluted throughout the year except in the month of May and June in which lake is heavily polluted. Some species which indicated eutrophic status included Microcystis aeruginosa, Chlorococcus sp., Scenedesmus sp. and Chlorella sp. The relationship between quantitative analysis of phytoplankton and water quality of lower lake of Bhopal has been discussed.