Vol. 14, No. 3, 2021

Inland Water Biology

Aquatic Flora and Fauna

Diatom Algae (Bacillariophyta) in Rock Pools on Islands and Shore of the Kandalaksha Gulf, White Sea

S. I. Genkal and N. V. Vekhov p. 241 abstract

Biology, Morphology, and Systematics of Hydrobionts

Two Nematode Species New to Science of Genus Daptonema (Nematoda, Monhysterida) Found in Artificial Reservoirs in Vietnam

V. G. Gagarin p. 247 abstract

Variability of Karyofunds of Chironomus plumosus (Diptera, Chironomidae) from the Rybinsk Reservoir during the Period of Climate Warming

V. V. Bolshakov p. 256 abstract

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. 263 abstract

Water Microbiology

Change in Abundance and Activity of Microbocenoses in the Area of Influence of a Large Landslide at the Bureya Reservoir

L. M. Kondratyeva, Z. N. Litvinenko, D. V. Andreeva and A. S. Bashkurova p. 274 abstract

Zooplankton, Zoobenthos, and Zooperiphyton

Colonial Invertebrates in the Zooperiphyton of the Cooling Pond of Combined Heat and Power Plant (Western Siberia)

A. A. Gerasimova, A. G. Gerasimov and T. A. Sharapova p. 284 abstract

Ichthyology

Species and Ecological Diversity of Pechora River Basin Ichthyofauna

A. P. Novoselov p. 291 abstract

Parasitology of Hydrobionts

Freshwater Trematodes Sanguinicola (Digenea: Aporocotylidae) in Europe: Distribution, Host Range, and Characteristics of Fish and Snail Infestation (Review)

A. E. Zhokhov, M. N. Pugacheva and L. G. Poddubnaya p. 301 abstract

Life Cycle of Cosmocerca ornata (Nematoda: Cosmocercidae), a Parasite of Amphibians

N. Yu. Kirillova and A. A. Kirillov p. 316 abstract

Ecological Physiology and Biochemistry of Aquatic Organisms

Long-Term Consequences of the Effect of Copper and an Electromagnetic Field on the Size and Weight Parameters and Activity of Digestive Glycosidases in Underyearlings of Roach Rutilus rutilus

I. L. Golovanova, A. A. Filippov, Yu. V. Chebotareva and V. V. Krylov p. 331 abstract

Methods of Research

Using the Integral Index to Assess Destabilization Processes in the Immune System of Fish

V. R. Mikryakov, V. G. Tereshchenko and D. V. Mikryakov p. 340 abstract

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