T. V. Nikulina

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The relationship between algal communities’ species diversity and the catchment of rivers in the southern Russian Far East has been studied. The number of species, varieties, and forms of algae increased significantly according to the increase in the head river area up to 80–100 km2; then this number slowed down dramatically. In general, the relationship(More)
The structure of benthic communities was studied in the continuum of the model mountain river Komarovka, which flows in the conifer-broadleaf forest subzone in the southwest of the Silkhote-Alin Mountain Range (Primorye, Russia). The lowest species diversity of phyto- and zoobenthos was recorded in the upper reaches of the river, in a heterotrophic area;(More)
Studies on the Komarovka River, flowing in the zone of mixed conifer-broadleaf forests in the southwestern Sikhote-Alin Mountains (Primorye, Russia), have shown that the formation of river flow and multispecific phytobenthos communities takes place mainly within 60–70 km2 of its catchment area. The summer-autumn runoff rate and taxonomic composition of(More)
Data on the water chemical composition and species composition of periphyton algae have been analyzed in 25 rivers under different rates of anthropogenic impact in Primorskii krai, Russia. It is shown that chemical oxygen demand and the content of ammonium compounds of dissolved nitrogen are the most definite indicators of total anthropogenic impact. In the(More)
Zigzag elm sawfly Aproceros leucopoda (Takeuchi, 1939) is a dangerous invasive pest of elm trees, which quickly spreads in Europe. The initial range of A. leucopoda covers Japan, the east of China, the Korean Peninsula, and the Russian Far East. Within the territory of Ukraine, the species was found for the first time in 2006 in Lugansk oblast. The first(More)
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