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Вид документа : Статья из журнала
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Автор(ы) : Anishchenko O.V., Gladyshev M.I., Kravchuk E.S., Sushchik N.N., Gribovskaya I.V.
Заглавие : Distribution and migration of metals in trophic chains of the Yenisei ecosystem near Krasnoyarsk City
Место публикации : Water Resources. - 2009. - Vol. 36, Is. 5. - С. 594-603. - ISSN 00978078 (ISSN) , DOI 10.1134/S0097807809050121
Ключевые слова (''Своб.индексиров.''): aquatic organisms--atomic absorption--bulk concentration--cd concentrations--cr concentration--ecosystem components--emission spectral analysis--flame photometry--fly larvae--international standards--periphytons--primary producers--waterbodies--aquaculture--cadmium--chromium--ecology--photometry--spectroscopy--spectrum analysis--spectrum analyzers--water absorption--water analysis--concentration (process)--aluminum--aquatic ecosystem--aquatic organism--cadmium--chromium--concentration (composition)--copper--pollutant transport--river pollution--trophic environment--krasnoyarsk [russian federation]--russian federation--yenisei river--bryophyta--decapoda (crustacea)--thymallus arcticus
Аннотация: Methods of atomic absorption, flame photometry, and emission spectral analysis were used to study the concentrations of metals in water and major ecosystem components of the Yenisei River upstream of Krasnoyarsk City (conventionally background area). The mean bulk concentrations of Al and Cu in water exceeded the MAC for water bodies used for fishery. Cu concentration in freshwater shrimp was found to be reliably higher than that in the link of primary producers (periphyton), and Cd concentration in caddis fly larvae was found to exceed that in water moss. The maximal concentrations of metals among the examined aquatic organisms were recorded in periphyton. Cr concentration in the muscles of Arctic grayling was found to exceed some international standards. В© 2009 Pleiades Publishing, Ltd.
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