Abstract
The current study has investigated some parameters of Dalmaj Marsh, located in AL-Diwaniyah City, in Iraq, from the period of January 2022 to June 2022. In the field parameters such as electrical conductivity, salinity, TDS, pH, Turbidity, Temperature of air and water have been measured. Whereas, other parameters such as Biological oxygen demand BOD, Dissolved oxygen DO, total hardness, total alkalinity and chlorides have been measured at the laboratory. The results show that there has been a variation in parameters in all months of study, in the three studied sites. High salinity has been recorded and increased temperature in the studied sites. Also, high level of BOD has been recorded in Dalmaj Marsh that reflect deterioration of water. These findings provide crucial background data for further research.
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