Influence of anthropogenic pollution on content of essential polyunsaturated fatty acids in links of food chain of river ecosystem |
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| Authors: | M I Gladyshev O V Anishchenko N N Sushchnik G S Kalacheva I V Gribovskaya A V Ageev |
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| Institution: | (1) Institute of Biophysics of Siberian Branch of Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russia;(2) Siberian Federal University, Svobodny av. 79, Krasnoyarsk, 660041, Russia |
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| Abstract: | In the course of monthly sampling in 2008–2010, two regions of the littoral of the Yenisei river were compared. One of these regions (conventionally pure) was situated upstream of Krasnoyarsk, while the other (conventionally polluted) was downstream of Krasnoyarsk. The concentrations of heavy metals, oil products, phenols, biogenic elements and essential polyunsaturated fatty acids (PUFAs) in various components of the river ecosystem were determined. It was discovered that the anthropogenic pollution causes a decrease in the resources of essential PUFA in the biomass of the upper links of the food chain of the river ecosystem. |
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