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In this study, 96 water samples were collected from the Tigris River within Baghdad city. These samples were used for studying the physical and chemical parameters by using a geographical information system GIS (spatial analysis). The analytical results show high concentration of total dissolved solid (TDS), electric conductivity (EC), total hardness, Sulphate (SO4), Chloride (Cl) and Iron (Fe), which indicates signs of deterioration. On the other hand, the values of pH, calcium (Ca), Magnesium (Mg), and fluoride (F) are within permissible limits as per World Health Organization (WHO) and Iraqi Criteria.
Akcay is a high flow stream supported with strong
bracket and is emerging from border of Beyagac County in Denizli province. In this study,
it was performed for determining some limnological traits of Akcay River in
Bozdogan County in Aydin province. This study was conducted with a 12-month
period between January 2010 and December 2010. The chosen pilot farm is raising fish (Oncorhynchus mykiss). The water of Akcay
River is used on farm. Some limnological parameters (dissolved oxygen,
temperature, pH, EC, nitrite, nitrate, orthophosphate, minerals) were
investigated for determining the water quality of zone.