IMPACT OF SEASONAL VARIATION OF ABIOTIC FACTORS ON GROWTH OF FISH IN MANIKA MAUN, MUAZAFFARPUR, BIHAR.

An experiment was conducted to study on abiotic factors (Environmental factors) whichplays a significant role in determine the productivity of the aquatic ecosystem .The experiment is carriedout at the Manika maun which is located in Muzaffarpur district of Bihar. The outcome of presentinvestigation revealed the variation of temperature, PH, Total Alkalinity, Dissolved oxygen and freecarbon dioxide might be one of the important factors for proper growth of fish.