Vol. 14, No. 2, 2021

Inland Water Biology

Aquatic Flora and Fauna

Diatom Algae of Waterbodies in the Subarctic Tundra

L. I. Kopyrina, S. I. Genkal and P. A. Remigailo p. 125 abstract

New Finds and Species of Caddisflies (Trichoptera) in Southeastern Belarus

A. M. Ostrovsky p. 133 abstract

Biology, Morphology, and Systematics of Hydrobionts

Relative Mass of Pharyngeal Teeth of Roach Rutilus rutilus: Correlation with Fish Biologic Parameters and Inherited Traits

N. I. Komova p. 141 abstract

Morphofunctional Status of the Mongolian Grayling Thymallus brevirostris in a Mountain Lake in the South of Eastern Siberia

I. S. Nekrasov, L. A. Shuman and A. G. Selyukov p. 150 abstract

Phytoplankton, Phytobenthos, Phytoperyphyton

Analysis of the State of Biological Communities in a Continental Water Body using Hydrooptical Characteristics

G. V. Vinokurova, I. A. Sutorikhin, A. A. Kolomeytsev and I. M. Frolenkov p. 159 abstract

Modern Trophic State of the Benthic Zone in the Ivankovo and Uglich Reservoirs According to the Content of Sedimentary Pigments

L. E. Sigareva, N. A. Timofeeva and R. A. Lozhkina p. 168 abstract

Higher Aquatic Vegetation

Flowering of Lemnaceae S.F. Gray in Siberia: Bioecological Characteristics

O. A. Kapitonova and S. A. Nikolaenko p. 177 abstract

Ichthyology

The Size-Age Structure and Growth of Whitefish (Coregonidae) in Arctic Lake Ioni, Eastern Chukotka

A. V. Shestakov p. 188 abstract

Comparative Analysis of Fish Distribution in Lentic and Lotic Ecosystems (Review)

A. D. Mochek and D. S. Pavlov p. 196 abstract

Genetic Screening of Distribution Pattern of Roaches Rutilus rutilus and R. lacustris (Cyprinidae) in Broad Range of Secondary Contact (Volga Basin)

O. N. Artaev, O. A. Ermakov, D. A. Vekhov, A. F. Konovalov, M. A. Levina, I. V. Pozdeev, A. B. Ruchin, I. V. Alyushin, V. Yu. Iljin and B. A. Levin p. 205 abstract

New Data on Brown Meagre Sciaena umbra (Sciaenidae) at the Crimean Shore of the Black Sea Based on Visual Underwater Observations Using Breath-Hold Diving

I. Yu. Tamoykin, O. N. Kuleshova and V. S. Kuleshov p. 215 abstract

Ecological Physiology and Biochemistry of Hydrobionts

Physiological Mechanism of Dinoflagellate Survival under a Biogenic Limitation

L. V. Stelmakh and I. M. Mansurova p. 222 abstract

Effect of Phenol on the Activity and Temperature Characteristics of Peptidases in Chironomid Larvae at Different рН Values

V. V. Kuz’mina, E. Yu. Chornaya and V. A. Sheptitskiy p. 231 abstract

Errata

Erratum to: Novel Species of Centrohelid Heliozoans (Centroplasthelida) for Freshwaters of Central and Southern Vietnam

D. G. Zagumyonnyi, E. S. Gusev, A. A. Mylnikov and A. P. Mylnikov p. 239 abstract

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