Assessment of seasonal differences of ecological state of lotic ecosystems and applicability of some biotic indices in the basin of Lake Sevan (Armenia): case study of Masrik River

Author:

Asatryan V. L.1,Dallakyan M. R.1

Affiliation:

1. Institute of Hydroecology and Ichthyology of SCZHE NAS RA, 7 P. Sevak str., 0014, Yerevan, Armenia

Abstract

Abstract Complex studies of seasonal differences of the ecological state of Masrik River (Armenia) were realized in 2017. Water quality was assessed by BMWP, ASPT and FBI indices based on studies of qualitative and quantitative structures of benthic macro-invertebrates. Potential reference sites in the basin were revealed using the %EPT taxa index in addition to water quality assessment by bioindication methods as well as hydro-chemical, -physical and -morphological measurements. The applicability of the used biotic indices for the different parts of Masrik River was discussed.

Publisher

IWA Publishing

Subject

Water Science and Technology

Reference21 articles.

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5. Establishing a framework for community action in the field of water policy;European Commission Directive 2000/60/EC of the European Parliament and of the Council of 23 October;Off. J. Eur. Communities,2000

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