Sergey Bolotov

Sergey Bolotov
Russian Academy of Sciences | RAS · Laboratory of Ecology of Aquatic Invertebrates

About

15
Publications
1,277
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42
Citations
Citations since 2016
7 Research Items
41 Citations
20162017201820192020202120220246810
20162017201820192020202120220246810
20162017201820192020202120220246810
20162017201820192020202120220246810

Publications

Publications (15)
Article
Full-text available
Saline rivers of Elton Lake Region (N49° 13', E46° 40') are highly productive systems. The flow of energy and nutrients can go beyond the hydroecosystem into the surrounding landscape, which is facilitated by the high diversity and quantitative development of the fauna. For the first time, field and experimental studies of planktonic and bottom com...
Article
Full-text available
The role of different environmental factors in the formation of zooplankton community in the river ecosystems of the Arpa River catchment basin was investigated. The results of the study showed that zooplankton diversity in the mentioned ecosystems was significantly affected by the river velocity, which caused not only deterioration but also improv...
Article
Full-text available
The qualitative composition and structure of the autumn zooplankton in the pelagic zone of Lake Sevan in years that were characterized by different abundancies of fish are described. In October 2013, upon the increase in whitefish abundance, the species richness of zooplankton increased insignificantly; the values of the trophic coefficient and the...
Article
Full-text available
A stratification site was detected according to the water conductivity in the frontal zone of the mouth part of the tributary of a plains reservoir. The “second bottom” effect is shown to occur in the lower, denser layer of river waters, where the zooplankton, whose structural and functional characteristics differ from those in overlying and underl...
Article
Macroinvertebrate communities which were formed in isolates with free-floating duckweed plants of the species Spirodella polyrhiza (L.) Schleid, Lemna minor L., Wolffia arrhiza (L.) Horkel ex Wimm, mixtures of these species, and an isolate with crushed styrofoam were studied in comparison to the control aggregation of floating plants in a small for...
Article
Full-text available
Comparative analysis of different groups of the planktonic community (phytoplankton, protozoo- and zooplankton) was performed in the pelagic and littoral zones of overgrown Lake Beloe (Volzhsko- Kamskiy Biosphere Natural State Reserve, Republic of Tatarstan, Russain Federation). We detected a remarkable diversity of both pelagic and sublittoral pla...
Article
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The spatial distribution, long-term dynamics of occurrence and abundance, and the peculiarities of the seasonal cycle of two cladocerans, an alien species Diaphanosoma orghidani Negrea and a native species D. brachyurum (Liévin), were studied in Rybinsk Reservoir in 2005–2011. The successful coexistence of the species for over a 7-year period was f...
Article
Three zones were distinguished according to the electrical conductivity of water in a flatland water reservoir: the transitional zone of the tributary, the frontal zone, and the transitional zone of the inlet. According to the presence of the edge effect, the frontal zone of the outfall area is identified as an ecotone. The buffer properties of the...
Article
Full-text available
In 2008, transition (gradient) and stable zones in backwaters of the tributary of the Rybinsk Reservoir were distinguished according to water conductivity. The highest values of BOD5 (biochemical oxygen demand) and the maximum zooplankton abundance within the backwater zone as well as in comparison with the neighboring systems (the river and the re...
Article
Full-text available
The spatial distribution and long-term dynamics of occurrence and abundance, as well as features of the seasonal life cycle of two species of Cladocera, an alien species D. orghidani and a native species D. brachyurum, were studied in 2005–2011 in the Rybinsk reservoir. It was found that, during a seven-year period, the successful coexistence of th...
Article
Full-text available
The hydrophysical characteristics and indices of zooplankton are given for the confluence zones of small and medium tributaries and channels of the Don and Khoper rivers within the territory of Voronezh oblast. Three types of confluence areas of tributaries and recipient rivers are described. In these areas the water masses mix and habitats differi...

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