scholarly journals ECOLOGICAL AND GEOCHEMICAL ASSESSMENT OF BIOGENIC AND ACCUMULATIVE WATER COMPLEXES OF UPPER VOLGA RESERVOIRS

2020 ◽  
pp. 17-29
Author(s):  
Олег Алексеевич Тихомиров
Keyword(s):  
Heavy Metals ◽  
Geochemical Characteristics ◽  
Organic Substances ◽  
Upper Volga ◽  
Volga Reservoirs ◽  
Geochemical Assessment ◽  
Upper Volga Reservoirs

В статье приводится эколого-геохимическая характеристика биогенноаккумулятивных аквальных комплексов, рассматриваются вопросы накопления органических веществ и тяжелых металлов в аквальных комплексах верхневолжских водохранилищ. Приводится экологогеохимическая оценка состояния аквальных комплексов разной степени зарастания. The article presents the ecological and geochemical characteristics of biogenic accumulative aquatic complexes, discusses the accumulation of organic substances and heavy metals in the aquatic complexes of the upper Volga reservoirs. An ecological and geochemical.

scholarly journals Free nucleotides and chlorophyll contents in the plankton of the Upper Volga reservoirs

2016 ◽  
Vol 15 (1) ◽  
pp. 61-71 ◽  
Author(s):  
N. M Mineeva ◽  
◽  
A. M Andreeva ◽  
I. P Ryabtseva ◽  
◽  
...  
Keyword(s):  
Chlorophyll Contents ◽  
Upper Volga ◽  
Free Nucleotides ◽  
Volga Reservoirs ◽  
Upper Volga Reservoirs

scholarly journals Features of the winter hydrochemical regime of the upper Volga Reservoirs

2019 ◽  
Vol 321 ◽  
pp. 012049
Author(s):  
I L Grigoryeva ◽  
A B Komissarov ◽  
V V Kuzovlev ◽  
E E Lapina ◽  
E A Chekmaryova
Keyword(s):  
Hydrochemical Regime ◽  
Upper Volga ◽  
Volga Reservoirs ◽  
Upper Volga Reservoirs

Pigment composition of phytoplankton and its long-term dynamics in reservoirs of the Upper Volga

2020 ◽  
pp. 74-78
Author(s):  
Natalya M. Mineeva
Keyword(s):  
Field Observations ◽  
Pigment Composition ◽  
Chl A ◽  
Upper Volga ◽  
Ivankovo Reservoir ◽  
Uglich Reservoir ◽  
Volga Reservoirs ◽  
The Absolute ◽  
Upper Volga Reservoirs

According to field observations during 1995–2005 and 2012–2016, the pigment composition of phytoplankton in the Upper Volga reservoirs is given. With an average Chl a content of 13,1±1,4 to 52,5±2,7 μg/L in the Ivankovo reservoir and from 4,1±0,9 to 27,5±2,5 μg/L in the Uglich reservoir, an increase in Chl a was noted after an abnormally hot 2010. The content of Chl a in the Ivankovo reservoir retaining eutrophic status does not go beyond the limits of long-term fluctuations. In the Uglich reservoir, an increase in the absolute and relative amount of Chl a was revealed, indicating the transition of the reservoir to the eutrophic category.

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