The changes in the fauna of some biohelminths of fishes in Sevan Lake and their intermediate hosts under conditions of hydroecological transformations of the lake

Abstract

The infeсtion of biohelminths of fishes in Sevan Lake is studied. 9 types of biohelminths are revealed: in a body cavity, intestines, heart and crystalline lenses of eyes. The analysis of changes of specific composition of the helminths in dynamics, taking into account changes of fauna of their intermediate hosts, in conditions of hydroecological transformations of the lake is conducted.

Keywords

• biohelminths
• fish
• sevan lake
• anthropogenous influence