Seasonal Distribution and Population Dynamics of Aquatic Insects in Ashti Lake ,Dist. Wardha (M.S.)

Abstract

Ashti lake of District, Wardha is a nutrient rich reservoir was investigated to analyze the seasonal abundance and population variation of aquatic insects from January 2010 to December 2012. The study depicts that the insect population was higher during the months of June, September and October. Observed maximum in June, when an average of seven insect were discovered in one ml. of sample. The population density was found to be lower in the remaining months, being lowest in February, March, when on an average only one insect/ml of sample were encountered.