Bio- Assessment of Balekhloo River Based on Quantity Index (Shannon, Margalef, Pielou)

Subject Areas : environmental management

naghmeh jafarzadeh ¹ (PhD, Faculty of Energy&Environment, Science and Research Branch, Islamic Azad University, Tehran, Iran. * (Corresponding Author))
Ebrahim Fataee ² (Assistant Professor, Department of Environment, Islamic Azad University, Ardebil Branch, Ardabil, Iran.)
Saber Vatandoust ³ (Assistant Professor, Department of Environment, Islamic Azad University, Babol Branch, Babol, Iran.)
Saeed Maddah ⁴ (PhD in Environmental Management and Planning, University of Tehran, Tehran, Iran.)

Received: 2015-06-12 Accepted : 2015-12-13 Published : 2019-04-21

Keywords: Macro invertebrates, Water quality, Quantity index (Shannon winner, Margalef, Pielou),

Abstract :

Background and Objective: Surveying ofBalekhloo River’s water is necessary because it is one of the main branches of Gharasoo River in Ardabil and supplying water for Yamchi dam Due to the presence of contaminant sources such as wastewater, residential areas, and industrial, agricultural and mineral water, river morphology. Today evaluation of water quality based on macro invertebrates variety has completed chemical methods of pollution recognizes. Method: In this study water quality examination of Balekhloo River in Ardebil, macro invertebrates were sampled in 5 stations along the river in 2 times of year (low water season and high water season). For results’ simulation measuring of some physico chemical parametres were perfomed. Macro invertebrates were identified and evaluated with Shannon winner variety index, Margalef biotic index and Pielou similarity index. Findings: In this study, ten orders of invertebrates in 23 categories were identified and counted and result simulation laboratory measured of physico chemical parameters like DO, Nitrate, PH, Debi and velocity. Discussion and Conclusion: Results showed that there are similarities between physical, chemical and biological indexes and Margalef biotic index was known more suitable bio assessment index to determine water quality in Balekhloo River. Finally, by comparison of physical, chemical and bio index parameters of Balekhloo River’s water quality was classified into three region low, moderate and high pollution.

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