Vol. 12, No. 4, 2021
Finding of the Invasive Amphipod Gmelinoides fasciatus (Stebbing, 1899) in Watercourses of the Lake Onega Basin
p. 337 abstract
Invasive Pests Revealed in Some Greenhouses of Yerevan
p. 341 abstract
Populations of Invasive Species Asian Ladybird in the European Part of Russia
p. 348 abstract
The Catch of Rainbow Trout Parasalmo mykiss on Sakhalin Island
p. 350 abstract
About Regeneration of Alien Polychaete Polydora websteri (Annelida: Spionidae)
p. 355 abstract
First Data on Parasites of Neogobius iljini (Perciformes, Gobiidae) of the Middle Volga
p. 362 abstract
On the Invasion of the Genus Marenzelleria (Polychaeta, Spionidae) Representatives into the Caspian Sea Basin
p. 373 abstract
Alien Plant Species in the Russian Arctic: Spatial Patterns, Corridors, and Local Invasions
p. 377 abstract
Application of Herbicides in the Control of the Invasive Species Heracleum sosnowskyi Manden. (Sosnowsky’s Hogweed) in Forestry
p. 387 abstract
The First Record of Alien Species Limnodrilus maumeensis Brinkhurst et Cook, 1966 (Oligochaeta, Tubificidae) from Russia
p. 400 abstract