SSESSMENT OF WATER QUALITY OF EJERSA RIVER USING PHYSICO CHEMICAL PARAMETERS AND BENTHIC MACRO INVERTEBRATES IN WOLISO TOWN, OROMIA REGIONAL STATE, ETHIOPIA

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Abstract:

The level of water pollution and ecological disturbance of Ejersa river was assessed using physico-chemical parameters and benthic macro-invertebrates. Ejersa river which is part of the Omo-Gibe basin is used for various activities such as irrigation, washing and cattle watering. But it is exposed to wastewater discharge from municipal sewage, nearby prison institution and abattoir. Three sites selected randomly at upstream as site one, at the back of prison institution in middle of the town was site two and below abattoir at exit point as site three along the river during the period of March to May 2016. Eleven physico-chemical parameters were assessed. Moreover, macro invertebrates were also sampled using D-frame net and identified to the family level. There was significant difference in most of the physicochemical parameters between site one, site two and site three (p

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SSESSMENT OF WATER QUALITY OF EJERSA RIVER USING PHYSICO CHEMICAL PARAMETERS AND BENTHIC MACRO INVERTEBRATES IN WOLISO TOWN, OROMIA REGIONAL STATE, ETHIOPIA

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