Abstrakt

Study on Phytoplankton, Zooplankton and Ichthyo Fauna of Motia Lake

Sarita Kumari, Jawed Ahmed Khan and Mahender Singh Thakur

Present work was carried out at Motia Lake Bhopal, Madhya Pradesh, India on phytoplankton, zooplankton and icthyo fauna. During study period phytoplankton community was represented by four groups viz., Cyanophyceae, Bacillariophyceae, Chlorophyceae and Euglenophyceae. Among the four, Cyanophyceae was the most dominant group. The phytoplankton abundance was evident during monsoon season. The zooplanktons were represented by four groups viz., Rotifera, Cladocera, Copepoda and Ostracoda. Among these Rotifera exhibited numerical dominance. The ratio between Phytoplankton to Zooplankton was found to be 29.29: 1.00. The aquatic weeds found in the lake included species of Eichornia, Hydrilla, Marsilia, Meriophyllum, Chara, Ipomea, Najas and Vallisneria. The fish diversity in Motia Lake was represented by 20 genera belonging to the respective orders. They included major carps, exotic carps, murrels, cat fishes and other species.