Seasonal variation of freshwater Zooplanktons in Bankura, West Bengal, India

Abstract

Zooplankton are the major mode of energy transfer between Phytoplankton and fish and important for fish population. Zooplanktons also play an important role to serve as bio indicators as well as to assess the pollution status of water. In this present study, we tried to investigate the plankton species richness, diversity and evenness and to state the condition of a freshwater tropical perennial pond, Padmapukur of PratapBagan, Bankura. Diversity of different group of zooplankton is more in summer season than the winter and rainy season. The population density of zooplanktons varies from month to month and recorded maximum density (91) in the month of November, 2012 and minimum density (40) in the month of August, 2013.