Vol. 14, No. 4, 2021

Inland Water Biology

Aquatic Flora and Fauna

Broadening the Taxonomic Composition of Diatoms (Bacillariophyta) in the Flora of the Lena River (Streams of the Western Slope of the Kharaulakh Range, Yakutia)

S. I. Genkal and V. A. Gabyshev p. 349 abstract

Biology, Morphology and Systematics of Hydrobionts

Composition and Morphology of Scaly Golden Algae Left-Bank Volga Tributaries

P. V. Kulizin, E. S. Gusev, E. L. Vodeneeva and A. G. Okhapkin p. 357 abstract

Water Microbiology

Features of the Microbial Composition of the Belozersky Group Soda Lakes (Republic of Buryatia)

S. V. Zaitseva, E. Yu. Abidueva, K. V. Zaitseva and Ch.-H. Sun p. 368 abstract

Zooplankton, Zoobenthos, Zooperiphyton

Structure and Spatial Distribution of Planktonic Ciliates from the Middle and Lower Volga Reservoirs

S. V. Bykova p. 377 abstract

Efficiency of Transfer of Essential Substances from Phytoplankton to Planktonic Crustaceans in Mesotrophic Lake Obsterno (Belarus)

Zh. F. Buseva, M. I. Gladyshev, N. N. Sushchik, E. A. Sysova, K. V. Myagkova, Sh. B. Gazerani Farahani, I. Yu. Feniova, E. G. Sakharova and V. P. Semenchenko p. 391 abstract

Specific Features of the Macrozoobenthic Communities of Small Arctic Lakes in Eurasia

M. V. Chertoprud, S. V. Krylenko, A. I. Lukinych, P. M. Glazov, O. P. Dubovskaya and E. S. Chertoprud p. 401 abstract

Long-Term Dynamics of Zooplankton in the Kama and Votkinsk Reservoirs

E. M. Tselishcheva and V. I. Lazareva p. 415 abstract

Changes in Phytoplankton and Zooplankton Abundance and Diversity in Macrophyte-dominated and Open Pelagic Ecosystem of Shallow Reservoirs

Zati Sharip p. 427 abstract

Ichthyology

Relations between the Food Spectrum of Fishes and the Composition of Zooplankton and Benthos in a Subarctic Lake

N. A. Berezina, L. F. Litvinchuk and A. A. Maximov p. 438 abstract

Ecological Physiology and Biochemistry of Hydrobionts

Organization and Function of Osmotically Active Fraction of Fish (Pisces) Plasma Proteome (Overview)

A. M. Andreeva p. 449 abstract

Aquatic Toxicology

Effects of Exposure to Cypermethrin and Thiourea on Redox Status, Activities of Phosphatases and Digestive Enzymes, and Intestinal Histopathology in African Catfish, Clarias gariepinus

Joseph A. Adeyemi p. 461 abstract

Brief Communications

Materials to the Fauna of Marsh Beetles (Coleoptera: Scirtidae) of the Primorsky Krai Protected Areas, with Notes on Synonymy

A. S. Sazhnev and M. E. Sergeev p. 469 abstract

Biomass of the Population of Invasive Gmelinoides fasciatus (Crustacea: Amphipoda), Its Production during the Vegetation Season, and Its Bioresource Value in Lake Onega

I. A. Baryshev, A. I. Sidorova, A. P. Georgiev and N. M. Kalinkina p. 476 abstract

Errata

Erratum to: Taxonomic Composition and Distribution of Alien Suckermouth Armored Catfish (Siluriformes: Loricariidae) in Southern Vietnam

I. A. Stolbunov, Tran Duc Dien and D. P. Karabanov p. 479 abstract

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