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Dissolved oxygen for shrimp ponds, nursery

The major factors affecting dissolved oxygen solubility in water are temperature, salinity, and pressure. Shrimp ponds normally are at sea level and variation in pressure is slight. Shrimp pond water is seldom at saturation, because of the combined effects of oxygen production by photosynthesis and oxygen consumption by respiration. Biological processes can change dissolved oxygen concentrations so quickly that diffusion of oxygen between air and water cannot maintain saturation.