Estimation of Field Biotic Index and water quality of Khong River in Sepidan Region by Using Aquatic Insects Fauna

Subject Areas : Plant Protection

Seyed Atefeh  Hosseini ¹ ()
Hadi  Ostovan ² ()
Seyed Ebrahim  Hosseini ³ ()

Received: 2011-08-12 Accepted : 2012-02-10 Published : 2012-03-20

Keywords:

Abstract :

In this research, biotic indexand water quality of Khong river of Sepidan region in Fars province was estimated by using aquatic insect fauna during 2009-2010. The aquatic insect fauna were collected from different places of the river and identified in family level. Then the water quality was estimated by Hilssenhoff biotic index formula. A total of 39 families from 7 orders of insects (Trichoptera, Hemiptera, Odonata, Plecoptera,Diptera, Ephemeroptera andColeoptera) were collected and identified from 4station of the river. In this research, biotic index of the Khongriver was estimated 3.79 and quality was excellent (Slight level of pollution by organic material).

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