Bioindication of the ecological status of Lake Zerenda using microalgae

Abstract

:The results of the study of the algal species composition in the Zerenda lake in the national park «Kokshetau»
are presented. Studies were conducted in the years 2016-2019. As a result of research algoflors of lake Zerenda 107 kinds of
microseaweed are determined. The meaning of an index saprobe of lake Zerenda equal 2,01 proves, that waters of lake concern
to - mezosaprob to a zone. ITis determined, that the intensive growth of microseaweed of lakes Kopa, Burabai, and Zerenda are
observed in the summer season. ITisrevealed, that in the summer the green and blue-green seaweed, and inspring and autumn
- Bacillariophyta dominates.