Chemical Composition Study of the Rybinsk Reservoir Ecosystem Using NAA

2007 ◽  
Author(s):  
Z. I. Goryaynova ◽  
M. V. Frontasyeva ◽  
D. F. Pavlov ◽  
S. Pankratova ◽  
Carlos Granja ◽  
...  
Keyword(s):  
Chemical Composition ◽  
Rybinsk Reservoir ◽  
Composition Study ◽  
The Rybinsk Reservoir

scholarly journals Long-term dynamics of the water quality in the Rybinsk reservoir according to biotesting

2020 ◽  
Vol 3 (3) ◽  
Author(s):  
Roza A. Lozhkina ◽  
Irina I. Tomilina
Keyword(s):  
Water Quality ◽  
Chemical Composition ◽  
Industrial Wastewater ◽  
Agricultural Land ◽  
Rybinsk Reservoir ◽  
Aquatic Toxicity ◽  
Chemical Composition Of Water ◽  
The Rybinsk Reservoir

Long-term dynamics of the aquatic toxicity was studied in the Rybinsk Reservoir. According to the biotesting, the Volga and Sheksna reaches were the most polluted areas, which were exposed to household and industrial wastewater, as well as to the diffuse runoff from agricultural land and major highways. The relationships between the parameters of toxicity and indicators of the chemical composition of water were analyzed.

scholarly journals Zonal Features of the Rybinsk Reservoir Basin Small Rivers Chemical Composition

2020 ◽  
Author(s):  
Keyword(s):  
Heavy Metal ◽  
Chemical Composition ◽  
Metal Ions ◽  
Heavy Metal Ions ◽  
Rybinsk Reservoir ◽  
Small Rivers ◽  
River Waters ◽  
Significant Difference ◽  
Reservoir Basin ◽  
The Rybinsk Reservoir

The work is devoted to the study of the chemical composition of small rivers in the southwestern part of the territory of the Vologda region, which form the river flow of the Rybinsk reservoir basin. The determination of the chemical composition of water in rivers is carried out by generally accepted methods according to standard procedures. A distinctive feature of the river waters of the studied drainage basin is their significant difference in color and color intensity, total iron ion content, and ratio of basic anions. Most of the catchment area of this territory is represented by swamps and numerous lakes, many of them are sources of small and medium length watercourses. A comparative analysis of the ion-salt composition of the waters of rivers shows a certain similarity in the manifestation of the zonal features of the formation of their chemical composition. The composition of the water of the rivers in its salt part is mainly due to the climatic conditions. The waters of the rivers have a hydrocarbonate and sulphate-hydrocarbonate magnesium-calcium composition and relatively low mineralization. Statistical processing of the results of analytical data shows a high correlation in terms of color, permanganate oxidation and chemical oxygen consumption of the investigated water samples. Nutrients represented by the mineral forms of nitrogen and phosphorus in river waters within the studied catchment basin are determined by similar concentrations. A single directivity has been established in the distributions of the contents of heavy metal ions. From the number of heavy metal ions (iron, manganese, aluminum, copper, zinc, nickel, lead, arsenic, chromium, cadmium), which were determined in the analyzed samples, the excess of water quality standards for fishery water bodies was established of by iron and manganese ions. Excess of the established standards of quality of natural waters for other identified ions was not detected.

Simulating of Phytoplankton Development in the Rybinsk Reservoir

2015 ◽  
pp. 32-40
Author(s):  
Keyword(s):  
Water Exchange ◽  
Rybinsk Reservoir ◽  
Vegetation Period ◽  
Diatom Algae ◽  
Algae Biomass ◽  
Internal Water ◽  
Kinetics Of ◽  
The Rybinsk Reservoir

A model of phytoplankton development within a reservoir including the description of kinetics of its interactions in the ecosystem and internal water exchange of the reservoir has been presented. The carried out calculations of changes of the cyanobacteria and diatom algae biomass in the Rybinsk Reservoir in the vegetation period have shown their satisfactory convergence with the fi eld observations data.

scholarly journals Development of Rural Ecotourism on the Yurshinsky Island of Rybinsk Reservoir

2020 ◽  
Vol 217 ◽  
pp. 05002
Author(s):  
Svetlana Zamana ◽  
Olga Sorokina ◽  
Dmitriy Shapovalov ◽  
Alexandr Fomin ◽  
Larisa Petrova ◽  
...  
Keyword(s):  
Chemical Analysis ◽  
Protected Area ◽  
Rybinsk Reservoir ◽  
Chemical Elements ◽  
Soil Samples ◽  
Tourist Industry ◽  
Toxic Chemical ◽  
Young Branch ◽  
The Given ◽  
The Rybinsk Reservoir

Agroecotourism is a relatively young branch of tourist industry in our country, at the same time it has become very popular abroad. The article considers some problems related to the development of rural ecotourism on the Yurshinsky island of Rybinsk reservoir. Various landscapes can be seen on the Yurshinsky island, escaping flowage of the Rybinsk reservoir area, where unique samples of Russian nature have remained untouched. The territory of island makes 792 hectares, half of its land is occupied by woods, and now all island has a status of specially protected area. Moose breeding farm is recommended to be established as the object of rural ecotourism on the Yurshinsky island, as its operation allows the tourist season last all-year-round. Ecological conditions of the territory need to be assessed before the organization of a moose farm and other objects of agroecotourism. Therefore we selected several soil samples to perform chemical analysis as the soil represents the knot of interrelations in biosphere and a lack or surplus of both vital, and toxic chemical elements in the soil will lead to their lack or surplus in plants grown up on such soils and in animal organisms which eat the given plants.

scholarly journals Assessment of the quality of freshwater ecosystems based on the functional condition of bivalved mollusks

2019 ◽  
Vol 46 (2) ◽  
pp. 214-224
Author(s):  
S. V. Kholodkevich ◽  
A. N. Sharov ◽  
G. M. Chuiko ◽  
T. V. Kuznetsova ◽  
M. V. Gapeeva ◽  
...  
Keyword(s):  
Functional State ◽  
Rybinsk Reservoir ◽  
Functional Condition ◽  
Freshwater Ecosystems ◽  
Gulf Of Finland ◽  
Bivalve Mollusks ◽  
Accumulation Of Metals ◽  
The Rybinsk Reservoir ◽  
The Gulf Of Finland

An approach is proposed for ranking the quality of freshwater ecosystems by the state of bivalve mollusks living in them. Cardioactivity indicators and accumulation of metals in the tissues of the mollusks from various waters of the eastern part of the Gulf of Finland and the Rybinsk Reservoir were used to characterize the ecosystems, and an original hyperosmotic test was used to analyze the functional state of the mollusks.

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