Abstrackt:

This article presents the results of research at selected lakes locateted on the border of northern Siberia beyon ndd the Polar Circle conducted during the summer of 2016, , andand covers physical, chemical, and biologicgical methods. This article also highlights the differences bbetweetween glacial lakes in that part of Siberia eria and those of Europe and North America. These differences ces affect not only water quality, but more iimmportantly the age of the lakes, their exact origin, and theireir hydrogeological conditions. In the water er oof the studied lakes, physical and biological properties mamatch oligotrophic and mesotrophic class, ss, wwhile chemical parameters classify them mainly as eutropphichic and hypertrophic lakes with no anthroporopogenic sources of contamination.

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