TRACE ELEMENTS IN THE AQUATIC ECOSYSTEMS OF THE AMUR RIVER by N. Chizhikova, S. Sirotsky, G. Haritonova, E. Utkina

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Hydro-epidemiological aspects of infectious agent indication in mollusks (review) by A. A. Blokhin, N. N. Toropova, O. I. Zakharova, O. A. Burova

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Monitoring of the ecological state of the city lake of Chita by V. V. Zvyagintsev, O. Yu. Zvyagintseva, V. K. Chernyshov

“…The paper presents the results of the studies on assessing the quality of the aquatic ecosystem of a lake located within the city. The European perch (Perca fluviatilis L.) and the Gibel carp (Carassius gibelio) were used as an indicator for determining the quality of the aquatic ecosystem by the method of fluctuating asymmetry.Problem Statement. …”
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Sensitivity of biological sewage disposal efficiency functional to parameters of biogen concentration dynamics model by Е. S. Zhmenya, N. S. Buzalo

“…The use of the multidimensional non-stationary models of aquatic ecosystems with a detailed description of biochemical reactions is complicated by a large number of parameters, the importance of which must be obtained experimentally. …”
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MICROBIOLOGICAL EVALUATION OF WATER QUALITY AND SEDIMENTS OF SODA-SALINE LAKES OF THE ZABAIKALYE by E. Yu. Abiduyeva, L. P. Kozyreva, D. D. Tsyrenova, B. B. Namsarayev, B. B. Batobolotova, E. B. Matyugina

“…However, in the summer antropogenic pressures on the aquatic ecosystem, of some lakes increases, which, leads to deterioration, of water quality.…”
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NEW ACOUSTICAL TECHNIQUE TO QUANTIFY METHANE EBULLITION IN SEDIMENT WATER COLUMN: A CASE STUDY IN THE LAPTEV SEA, THE ARCTIC OCEAN

“…It has been shown that both techniques can be used for a quatitative express-evaluation of methane ebullition in the bottom-water system in any aquatic ecosystem including seas, lakes, and rivers, while the first acoustical technique gives the bubble efflux values ~20 % lower then the second acoustical technique. …”
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Ecological peculiarities of periphyton and zoobenthos of freshwater ecosystems of the Khibiny massif (the Kola Peninsula) by Denisov D. B., Val'kova S. A., Kashulin N. A.

“…The apatite industries waste waters effects on aquatic ecosystems have been analyzed using the "basin approach"; the main factors of the aquatic organisms function in different parts of a particular watershed depending on the type of terrain, the structure of river valleys, vegetation and soil, as well as hydrological and geochemical features have been determined. …”
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DRAGONFLY LARVAE OF THE STEPPE ZONE OF KABARDINO-BALKARIA by Khasan A. Ketenchiev, Sergey G. Kozminov, Zukhra Kh. Gemueva, Albina A. Alakulova

“…The article presents data on the composition and distribution of communities of dragonfly larvae, which are an information source for the biological indication of the state of natural aquatic ecosystems and are model bio-indicators for environmental monitoring. …”
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Assessment of the current state of ecosystems taking into account the diversity of adventitious species by M.‐R. D. Magomedov, V. V. Rozhnov

“…Biological invasions of alien species have acquired such a scale that by now it is almost impossible to find terrestrial or aquatic ecosystems, wherever adventitious organisms are found. …”
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Ecological and hydrochemical consequences of mining tungsten and molybdenum deposits of the Eastern Transbaikalia by Larisa Pavlovna Chechel

“…The author allocated the groups of elements of greatest danger for aquatic ecosystems: Cd, Cu, Zn, Th, Mn, Al - in acidic waters, W, U, As, Mn - in alkaline waters. …”
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Ecological and hydrochemical consequences of mining tungsten and molybdenum deposits of the Eastern Transbaikalia by Larisa Pavlovna Chechel

“…The author allocated the groups of elements of greatest danger for aquatic ecosystems: Cd, Cu, Zn, Th, Mn, Al - in acidic waters, W, U, As, Mn - in alkaline waters. …”
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DEVELOPMENT ELECTRONIC MAPS OF ECOLOGICAL STATUS OF WATER OBJECTS OF THE VOLGA RIVER DELTA by Z. N. Isenalieva, I. V. Volkova, V. I. Egorova, N. O. Meshcheryakova, Z. A. Shkvarnikova

“…Created digitized map of the quality of aquatic ecosystems of the Volga River delta. Displaying modern ecological condition of watercourses investigated, determined the degree of contamination, the overall trophic and saprobic. …”
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New methodological approach to express assessment of ecological state for the coastal sea waters by S. V. Kholodkevich, T. V. Kuznetsova, A. S. Kurakin, A. A. Soldatov, O. L. Gostukhina, I. V. Golovina, Т. I. Andreenko, M. P. Kirin

“…Prospects of the proposed biomarkers application in biomonitoring and their relevance for the risk assessment in aquatic ecosystems are discussed.…”
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Geochemical modeling of heavy metals behavior in technogenic systems by Tatyana Vladimirovna Korneeva, Nataliya Viktorovna Yurkevich, Olga Petrovna Saeva

“…The results of the study showed that, despite neutral and slightly alkaline pH values of mine drainages, heavy metals and sulfates can reach extreme values, and their mobile forms of migration can pose a real threat to aquatic ecosystems and landscapes. The main chemical forms of Zn, which is the main pollutant, are sulfate and aquatic complexes. …”
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Geochemical modeling of heavy metals behavior in technogenic systems by Tatyana Vladimirovna Korneeva, Nataliya Viktorovna Yurkevich, Olga Petrovna Saeva

“…The results of the study showed that, despite neutral and slightly alkaline pH values of mine drainages, heavy metals and sulfates can reach extreme values, and their mobile forms of migration can pose a real threat to aquatic ecosystems and landscapes. The main chemical forms of Zn, which is the main pollutant, are sulfate and aquatic complexes. …”
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Hydrophobic sorbents based on ultrathin polymer fibers for trapping oil products by Ilya A. Lysak, Galina V. Lysak

“…Increasing negative effects of hydrocarbon production on aquatic ecosystems and tightening of legislative norms on discharge of oil and oil product contaminated water into marine waters. …”
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PHOTOCHEMICAL TRANSFORMATION OF DISSOLVED ORGANIC MATTER AND BEHAVIOR OF METALS IN THE WATERS OF THE SOUTHERN TAIGA BOG COMPLEX, WESTERN SIBERIA by Tatiana V. Raudina, Sergei V. Smirnov, Georgyi I. Istigechev, Oleg S. Pokrovsky

“…Dissolved organic matter is one of the largest biologically available sources of carbon in terrestrial and aquatic ecosystems, and its dynamics are critical to local and global carbon cycles. …”
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