Evaluation of the effects of fish farms wastewater on the Sirvan River water using physicochemical factors

Document Type : Original Article

Authors

1 university of urmia,faculity of natural resources, department of fisheris

2 university of urmia,faculty of natural resources, department of fisheris

3 Assistant Professor, Department of Artemia, Urmia lake Institute, Urmia University, Iran

4 faculity of natural resources, university of tarbiat modares

Abstract

Rainbow trout farm effluent impacts on physicochemical parameters were evaluated Sirvan River. Five stations in different parts of the river were determined. Parameters including temperature, dissolved oxygen, conductivity Electrical, ammonia, nitrite, nitrate, alkalinity, TDS and TSS at various stations at an interval of every 30 days from January 2015 to June 2015 were measured. The results showed that in terms of temperature and dissolved oxygen There was a significant difference between different seasons (P<0.05) and ammonia effluent on fish farms at various stations had a significant effect (P<0.05). The results showed that in terms of EC at various stations and different seasons had a significant effect (P<0.05) and alkalinity, nitrate, nitrite, TDS and TSS There was not a significant difference (P>0.05). The results showed that the concentration of physical and chemical parameters in the Sirvan River during sampling of the condition is relatively good and have good purification conditions.

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