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:: Volume 5, Issue 4 (9-2018) ::
jehe 2018, 5(4): 375-388 Back to browse issues page
Evaluation of River Water Quality and Indices for Fish Farm Development (Case study: Kabkian River)
Shervin Jamshidi , Ashraf Sadat Kariman , Mohammad Hadi Meshkati , Zeinab Mehrabi
Department of Civil Engineering, University of Isfahan, Isfahan, Iranو Water Research Institute (WRI), Ministry of Energy, Tehran, Iran
Abstract:   (39 Views)
Background: Fish farming requires proper water quality to increase productivity and reduce health risk exposures while they are emission sources in rivers themselves. The purpose of this research is to evaluate river water quality regarding physicochemical parameters coupling with water quality index (WQI) to study the viability of fish farming expansion.
Methods: This study is carried out both as field survey and laboratory analysis. Samples were taken bimonthly in 6 periods (2016-2017) from 21 stations from Kabkian River, Iran, including the water body and discharge points. Afterwards, results were statistically analyzed by T-Test regarding the spatial and temporal specifications with SPSS.
Results: Experimental results show that dissolved oxygen is over 7 mg/L and WQI is 70 which is classified as good. However, temporal variations of BOD, COD and nitrite concentrations are significant and their average are rather high about 10, 16 and 0.14 mg/L, respectively. Since, BOD is the only parameter with significant spatial variations, it is introduced as the main parameter for river water quality monitoring.
Conclusion: Overally, Kabkian water quality is suitable for fish farming. However, due to the possibility of presence of malachite green, it is highly recommended that strict monitoring should be implemented upstream to control fish farm discharges and reduce health risk exposures.   
Keywords: Fish farming, kabkian, malachite green, river, statistical analysis, Water Quality Index (WQI).
Full-Text [PDF 309 kb]   (19 Downloads)    
Type of Study: Research | Subject: Special
Received: 2018/10/2 | Accepted: 2018/10/2 | Published: 2018/10/2
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Jamshidi S, Sadat Kariman A, Meshkati M H, Mehrabi Z. Evaluation of River Water Quality and Indices for Fish Farm Development (Case study: Kabkian River). jehe. 2018; 5 (4) :375-388
URL: http://jehe.abzums.ac.ir/article-1-546-en.html


Volume 5, Issue 4 (9-2018) Back to browse issues page
مجله مهندسی بهداشت محیط Journal of Environmental Health Enginering
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