Seasonal Variation in Dissolved Oxygen of Pond Water in Antargam Village., Jagtial Mdl., Jagtial Dist., Telangana State

Abstract Dissolved oxygen (DO) is a measure of how much oxygen dissolved in the water- the amount of oxygen available to living Aquatic organisms.the amount of dissolved oxygen of Pond can tell us about the water quality. Healthy water should generally have dissolved oxygen concentration above 6.5-8 mg/L and between about 80 to 120/. During the investigation, The dissolved oxygen level was changed from 3.2 to 11.5 mg/L. It is a method of estimating the concentration of DO in water. DO is required for the metabolic activity of all aquatic organisms with aerobic metabolism.it is necessary of many forms of life including fish, invertibrates, bacteria and plants, these organisms use oxygen in respiration, similar to organisms of land. The Dissolved oxygen was determined using the APHA titrimetric technique (1998) for twelve months and found that Dissolved oxygen was highest in the month of January and less in May. Key words - Monthly variations of Dissolved oxygen of Pond water. 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