Study on physico-chemical characteristics of Azad dam reservoir (Sanandaj) in order to fisheries activities
H.Nasrollah zadeh saravi
Dam reservoirs have important rules in aquaculture and fish farming in many countries. In this regard, water samples of Azad Dam reservoir (Sanandaj) were collected at five stations from July 2015 to June 2016. Then, the results of 18 physico-chemical parameters were compared with the aquaculture standards and thresholds. Results showed that thermocline and oxycline was started from June and they vanished in December. Maximum level of thermal and oxygen stratified were registered during August and June, respectively. Mean of the most physico-chemical parameters were significantly different between surface and bottom layers (T-Test, p<0.05). Mean of temperature, dissolved oxygen, total alkalinity, total hardness, pH, total suspended solid, total dissolved solid and nutrients were in range of standard threshold of different countries. As a result, based on physico-chemical parameters and with proper management decision, the dam reservoir could be considering suitable for standard pattern of aquaculture activities.
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