Assessment of surface water quality of Mencha River, Northeastern Algeria by index method

  • سال انتشار: 1396
  • محل انتشار: مجله علوم زیستی خاورمیانه، دوره: 15، شماره: 2
  • کد COI اختصاصی: JR_CJES-15-2_006
  • زبان مقاله: انگلیسی
  • تعداد مشاهده: 110
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نویسندگان

A. Krika

Department of Environmental Sciences and Agronomic Sciences, Faculty of Nature Life and Sciences, University of Jijel, Algeria.

F. Krika

Laboratoire d’étude sur les interactions matériaux-environnement, Faculté des Sciences et Technologie, Université de Jijel, BP ۹۸, Jijel, ۱۸۰۰۰, Algérie

چکیده

Mencha River is one of the largest river in the region of Jijel, Algeria. The human activities such as urban discharges, industrial, agricultural and livestock have significant effects on the quality of water. Because of its importance in the agricultural activities and dense population residing at its banks, the river faces several challenges from various anthropogenic activities. This situation exposes surface water to a severe pollution. The objectives of this study are to use different indexes to assess the current pollution status in Mencha River. Indexes used in this study were Organic Pollution Index (OPI) and Microbiological Quality Index (MQI). Based on the data collected throughout this study, results indicated that the upper reaches of the river (station ۰۱) has had good water quality (OPI=۴, MQI=۴), while the station ۰۴ presented a poor quality (OPI=۲.۷۵, MQI=۲.۳۳). Indeed, several pollution sources exist in this site. The agricultural activity, among different sources, was the strongest point in the downstream section of the river, as it contains high amounts of chemicals, causing major decrement in water quality. The used indexes also showed that at stations ۰۲ and ۰۳, the water quality was moderate (OPI=۳.۲۵, MQI=۳). This study can be used to support the evaluation of regulatory and monitoring decisions.

کلیدواژه ها

Surface Water, Pollution Organic Index (OPI), Microbiological Quality Index (MQI), Mench River

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