First findings of the marine species Cyclotella marina (Bacillariophyta) in freshwaters of Europe за авторством S. I. Genkal, L. P. Jarmoshenko, A. G. Okhapkin

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The composition of Cyanoprokaryota in the plankton of Cheboksary reservoir (Nizhniy Novgorod, Russia) за авторством A. G. Okhapkin, E. L. Vodeneeva, O. O. Bondarev

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Assessment of water quality of some right-bank tributaries of the Volga river (Cheboksary reservoir basin) using functional classification of phytoplankton за авторством E. L. Vodeneeva, K. E. Kolomina, E. M. Sharagina, P. V. Kulizin, A. G. Okhapkin

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