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Вид документа : Статья из журнала
Шифр издания :
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.
Scopus
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gladyshev M.I., Gribovskaya I.V., Moskvicheva A.V., Muchkina E.Y., Chuprov S.M., Ivanova E.A.
Заглавие : Content of metals in compartments of ecosystem of a Siberian pond
Место публикации : Archives of Environmental Contamination and Toxicology. - 2001. - Vol. 41, Is. 2. - С. 157-162. - ISSN 00904341 (ISSN) , DOI 10.1007/s002440010233
Ключевые слова (''Своб.индексиров.''): aluminum--cadmium--calcium--chromium--copper--heavy metal--iron--lead--magnesium--manganese--nickel--potassium--sodium--zinc--aquatic ecosystem--biological uptake--heavy metal--pond--article--bioaccumulation--ecosystem--fish--nonhuman--pond--priority journal--russian federation--sediment--soil pollution--water contamination--animals--ecosystem--environmental monitoring--fishes--geologic sediments--invertebrates--metals, heavy--plants--water pollutants--russian federation
Аннотация: During three field seasons (June-September) of 1997-99 contents of Na, K, Ca, Mg, Fe, Mn, Zn, Cu, Al, Cr, Ni, Cd, and Pb were determined in compartments of ecosystem (surrounding soils, bottom sediments, water, zoobenthos, macrophytes, and fish) of a fish and recreation pond situated at the edge of Krasnoyarsk City (Siberia, Russia). Contents of most parts of metals in soils, water, and macrophytes significantly correlated with each other. As concluded, their contents were determined by natural, general, geochemical peculiarities of the region. Heavy metals, contents of which were higher than federal upper limits of concentration, were revealed. In muscles of fish with different feeding spectra - crucian and perch - concentrations of some metals differed significantly; correlation graphs for metals also had different structures. Comparison of our data with those on diverse aquatic ecosystems of Siberia, Europe, North America, and China published in the last decade was carried out. It was concluded that a distribution of heavy metals in the compartments of an aquatic ecosystem presently have to be determined for each particular water body until general regularities are discovered.
Scopus
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bondar V.S.
Заглавие : On possible biological function of cadmium as analog of calcium
Колич.характеристики :2 с
Место публикации : Dokl. Akad. Nauk: MEZHDUNARODNAYA KNIGA, 1997. - Vol. 352, Is. 5. - С. 693-694. - ISSN 0869-5652
Примечания : Cited References: 12
Предметные рубрики: PHOTOPROTEIN OBELIN
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : BONDAR V.S., SERGEEV A.G., ILLARIONOV B.A., VERVOORT J..., HAGEN W.R.
Заглавие : CADMIUM-INDUCED LUMINESCENCE OF RECOMBINANT PHOTOPROTEIN OBELIN
Колич.характеристики :4 с
Место публикации : Biochim. Biophys. Acta-Bioenerg.: ELSEVIER SCIENCE BV, 1995. - Vol. 1231, Is. 1. - С. 29-32. - ISSN 0005-2728, DOI 10.1016/0005-2728(95)00059-R
Примечания : Cited References: 21
Предметные рубрики: AEQUORIN
Ключевые слова (''Своб.индексиров.''): photoprotein--obelin--cadmium--bioluminescence
Аннотация: It has been shown for the first time that Cd2+ ions induce substantial bioluminescence of a Ca2+-binding photoprotein: recombinant obelin. The optimum pH for the bioluminescent rr:action in the presence of Cd2+ ions is pH 6. The intensity, L, of the light emission for the Cd2+ ions is 75% of the intensity of the signal in the presence of Ca2+. The quantum yields of the reactions in the presence of Cd2+ and Ca2+ are 0.18 and 0.24 respectively. The slope of the straight line (between 5 and 90% of L,,) in the coordinates of log(L/(L(max) - L)) vs. log([Cd2+]) is 1.75 +/- 0.06, which indicates positive cooperative character of this reaction. At a concentration exceeding 1 . 10(-3) M, Cd2+ inhibits the bioluminescent reaction.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gladyshev M.I., Gribovskaya I.V., Moskvicheva A.V., Muchkina E.Y., Chuprov S.M., Ivanova E.A.
Заглавие : Content of metals in compartments of ecosystem of a Siberian pond
Колич.характеристики :6 с
Место публикации : Arch. Environ. Contam. Toxicol.: SPRINGER-VERLAG, 2001. - Vol. 41, Is. 2. - P157-162. - ISSN 0090-4341
Примечания : Cited References: 26
Предметные рубрики: CHIRONOMUS-RIPARIUS MEIGEN
NELSON RIVER SYSTEM
AQUATIC MACROPHYTES
LARVAE DIPTERA
HEAVY-METAL
COPPER
LEAD
SEDIMENTS
CADMIUM
MANITOBA
Аннотация: During three field seasons (June-September) of 1997-99 contents of Na, K, Ca, Mg, Fe, Mn, Zn, Cu, Al, Cr, Ni, Cd, and Pb were determined in compartments of ecosystem (surrounding soils, bottom sediments, water, zoobenthos, macrophytes, and fish) of a fish and recreation pond situated at the edge of Krasnoyarsk City (Siberia, Russia). Contents of most parts of metals in soils, water, and macrophytes significantly correlated with each other. As concluded, their contents were determined by natural, general, geochemical peculiarities of the region. Heavy metals, contents of which were higher than federal upper limits of concentration, were revealed. In muscles of fish with different feeding spectra-crucian and perch-concentrations of some metals differed significantly; correlation graphs for metals also had different structures. Comparison of our data with those on diverse aquatic ecosystems of Siberia, Europe, North America, and China published in the last decade was carried out. It was concluded that a distribution of heavy metals in the compartments of an aquatic ecosystem presently have to be determined for each particular water body until general regularities are discovered.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Oskina N., Lopatina T., Anishchenko O., Zadereev E.
Заглавие : High Resistance of Resting Eggs of Cladoceran Moina macrocopa to the Effect of Heavy Metals
Место публикации : Bull. Environ. Contam. Toxicol.: Springer New York LLC, 2018. - Article in press. - ISSN 00074861 (ISSN) , DOI 10.1007/s00128-018-2473-7
Ключевые слова (''Своб.индексиров.''): hatching success--heavy metals--life table parameters--resistance--resting eggs--copper--electric resistance--aquatic habitats--critical concentration--environmental pollutions--hatching success--high resistance--lethal concentration--life table--resting eggs--heavy metals
Аннотация: The research aimed to determine critical concentrations of heavy metals at which survival of resting eggs of the cladoceran Moina macrocopa is negatively affected. Resting eggs’ viability was not affected over a 30-days exposure towards copper, cadmium, zinc or nickel at concentrations up to 60–70 g/L. When resting eggs were exposed to sediment contaminated with heavy metals for 8 months, the hatching success was affected at 30 g copper/kg. Thus, resting eggs of Cladocera can tolerate heavy metals at concentrations that far exceed lethal concentrations of heavy metals to active life stage and exceed low or moderate levels of environmental pollution. Follow up investigation of life table parameters of hatchlings from resting eggs exposed to heavy metals demonstrated that neither lifespan nor fecundity of hatchlings differ from control animals. These results demonstrate that zooplankton may rapidly recover from resting egg bank once aquatic habitat becomes unpolluted. © 2018, Springer Science+Business Media, LLC, part of Springer Nature.
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