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Journal: International journal of ecosystems and ecology science (IJEES) (Vol.3, No. 3)

Publication Date:

Authors : ;

Page : 545-552

Keywords : physic-chemical parameter; water quality; aquatic system; Osumi River.;

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Rivers are important sources of surface waters in Albania. Monitoring and evaluation of environmental conditions of rivers is an indispensable need for determining the quality of aquatic ecosystems. This study was carried out to assess the present status of physic-chemical parameters of Osumi River, such as temperature, pH, Total alkalinity, ammonia ions, COD(IMn), nitrate ions, chloride, TSS, TDS. The samples were collected during March 2012-March 2013.Three sampling stations were established for this study. Comparing the physic-chemical parameters with EU Directive [78/659] and Norwegian Institute for Water Research, resulted that Osumi River was classified in class 1 on the pH and Total alkalinity, mean value of ammonia ions 0.49mg/L exceed the limit of 0.16mg/L N-NH? of the EU Directive , according to COD, Osumi River was classified in class 5, mean value of N-NO3 2.23 mg/L is within the norm of 2.63 mg/L for 654 river stations in Europe. Mean concentration of phosphates results 0.624 mg/L, is out of the norm 0.4 mg/L of the EU Directive, value of chloride 208.3 mg/L ranged within the limit of 250 mg/L by USEPA, mean value of TSS 205.57 mg/L classified Osumi River in class 5, max. value of TDS 470.56 mg/L and mean value 232.87mg/L ranged within the limit of 500 mg/L related to WHO 2004 and USEPA, iron ions varies from 0.1-0.3 mg/, Osumi River waters were classified in class 3 by NIVA. This study provides the preliminary data for the evaluation and monitoring of physic ?chemical parameters for the current status of Osumi River.

Last modified: 2013-06-30 17:34:25