Abstract
This study aimed to analyze, through the physicochemical parameters, the quality of the water used in shrimp farming in the Great Aracaju, SE. The main parameters analyzed were, turbidity, total dissolved solids , dissolved oxygen, conductivity, total phosphorus, total nitrogen, ammonia, nitrate, nitrite, chlorophyll-a , biological and chemical oxygen demand, carbon total organic, salinity , three sampling campaigns . Samples were collected at three stations: two ponds and spillway. The total phosphorus, total nitrogen, total organic carbon, biological oxygen demand and dissolved oxygen exceeded the limit permitted by Brazilian legislation for brackish water class I. Levels of chemical oxygen demand were greater than those reported in other studies. The observed accumulation of nutrients may be related to the way of handling, feed, fertilizers, antibiotics; accumulated organic matter and use of the area as a disposal of domestic sewage in nature. Index Terms - shrimp, water quality, environmental legislation.
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