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Bioindication of Mercury Pollution of Water Objects of the Vologda and Nizhni Novgorod Regions (by the Example of Fishes)
https://doi.org/10.18412/1816-0395-2015-5-13-19
Abstract
Our analysis of accumulation of methyl mercury in fishes of water objects of various types in Vologda oblast and Nizhni Novgorod oblast showed the dependence
of the level of mercury pollution on the structure of the industrial load and natural peculiarities of the region. The features of accumulation of mercury in fishes at
territories differing by the economic activity, including city water courses, large fishing lakes, and water objects of protected area are established. It is shown that
the accumulation of methyl mercury in fishes increases with age and size and depends on inhabitance conditions, peculiarities of the water object, and economic
load on watersheds including the industrial emission. Accumulation of mercury is investigated by the “zooplankton–young of fish” trophic chain. The presence
of long-term tends of increasing the mercury content in a muscle tissue of fishes in large fishing basins of the Vologda oblast is revealed.
of the level of mercury pollution on the structure of the industrial load and natural peculiarities of the region. The features of accumulation of mercury in fishes at
territories differing by the economic activity, including city water courses, large fishing lakes, and water objects of protected area are established. It is shown that
the accumulation of methyl mercury in fishes increases with age and size and depends on inhabitance conditions, peculiarities of the water object, and economic
load on watersheds including the industrial emission. Accumulation of mercury is investigated by the “zooplankton–young of fish” trophic chain. The presence
of long-term tends of increasing the mercury content in a muscle tissue of fishes in large fishing basins of the Vologda oblast is revealed.
About the Authors
L.N. Bolotova
Vologda State University
Russian Federation
Dr. Sci. (Biol.), Head of Department
Russian Federation
Dr. Sci. (Biol.), Head of Department
N.Yu. Tropin
Vologda State University
Russian Federation
Undergraduate
Russian Federation
Undergraduate
G.V. Shurganova
Vologda State University
Russian Federation
Dr. Sci. (Biol.), Prof.
Russian Federation
Dr. Sci. (Biol.), Prof.
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Review
For citations:
Bolotova L., Tropin N., Shurganova G. Bioindication of Mercury Pollution of Water Objects of the Vologda and Nizhni Novgorod Regions (by the Example of Fishes). Ecology and Industry of Russia. 2015;19(5):13-19. (In Russ.) https://doi.org/10.18412/1816-0395-2015-5-13-19
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