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Estimation of transfer of technogenic radionuclides in food chains of the Yenisei river / E. A. Trofimova, T. A. Zotina, A. Y. Bolsunovskii // Contemporary Problems of Ecology. - 2012. - Vol. 5, Is. 4. - P365-370, DOI 10.1134/S1995425512040142 . - ISSN 1995-4255
Кл.слова (ненормированные):
burbot -- dace -- grayling -- pike -- water moss -- zoobenthos -- bioaccumulation -- food chain -- gadoid -- gamma ray radiation -- macrophyte -- moss -- radioactive pollution -- radionuclide -- salmonid -- trophic level -- zoobenthos -- Russian Federation -- Yenisei River -- Bryophyta -- Esocidae -- Lota
Аннотация: The efficiency of the transfer of gamma-emitting radionuclides in food chains, including macrophytes, zoobenthos, and bentho- and ichthyophagist fish, was estimated in the radiation-polluted region of the Yenisei river. Significant differences in the efficiency of the transfer of natural and technogenic radionuclides between components of different trophic levels were revealed. Substantial species-related differences in the accumulation of radionuclides in ichthyophagist fish from food were revealed. В© 2012 Pleiades Publishing, Ltd.

Scopus
Держатели документа:
Institute of Biophysics, Siberian Branch of the Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Trofimova, E.A.; Zotina, T.A.; Bolsunovskii, A.Y.

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Artificial radionuclides in fish fauna of the Yenisei River in the vicinity of the Mining-and-Chemical Combine (Siberia, Russia) / T. Zotina, E. Trofimova, A. Bolsunovsky // Radioprotection. - 2011. - Vol. 46, Is. 6 SUPPL. - S75-S78, DOI 10.1051/radiopro/20116649s . - ISSN 0033-8451
Аннотация: Activities of radionuclides were measured in five species of fish (grayling, dace, crucian carp, pike, cod) sampled in the Yenisei River (Siberia, Russia) in the vicinity of the Mining-and-Chemical Combine (ROSATOM) from 2007 to 2010, with a gamma-spectrometer (Canberra, USA). The analyses of samples of organs and tissues of fish species revealed artificial (46Sc, 51Cr, 54Mn, 58,60Co, 59Fe, 65Zn, 85Sr, 99Mo, 103,106Ru, 137Cs, 141,144Ce) and natural (7Be, 40K) radionuclides in fish organs and tissues, including edible ones. The major percent (up to 80%) of 137Cs and 40K activity occurred in muscles of fish species, which also contained considerable percentages of 60Co (up to 70%) and 65Zn (up to 20%). Seasonal changes in the intake of artificial radionuclides by zoobenthos-feeding fish species (grayling and dace) were recorded and they were followed by an activity concentration increase in internal organs. The dramatic increase in radionuclide intake by grayling coincided with the change of diet source. Hence, the feeding behavior of fish can change the fluxes of artificial radionuclides in the Yenisei River. The most effective diet transfer of a radionuclide from gammarus to grayling (muscles and total body) was recorded for 40K (1.3) and much less effective for artificial nuclides. В© 2011 EDP Sciences.

Scopus
Держатели документа:
Institute of Biophysics, SB RAS, Akademgorodok, 660036 Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Zotina, T.; Trofimova, E.; Bolsunovsky, A.

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577.34
С 57


    Содержание техногенных радионуклидов в промысловых рыбах р. Енисей в период работы реакторного производства на Горно-химическом комбинате и после его остановки [Текст] : статья / Татьяна Анатольевна Зотина [и др.] // Вопросы радиационной безопасности. - 2016. - № 2. - С. 28-35 . - ISSN 1816-9643
   Перевод заглавия: Concentration of Artificial Radionuclides in Commercial Fish Species of the Yenisei River During the Operation and After the Shutdown of the Nuclear Power Plant at the Mining-and-Chemical Combine

УДК

577.34

574.524

597.5

Кл.слова (ненормированные):
хариус -- Елец -- щука -- Thymallus arcticus -- Leuciscus leuciscus baicalensis -- Esox lucius -- grayling -- dace -- pike
Аннотация: Река Енисей загрязнена техногенными радионуклидами в результате производства оружейного плутония на Горно-химическом комбинате (ГХК) в г. Железногорске (Россия) в течение более 50 лет. Последнее реакторное производство на ГХК было остановлено в 2010 г. В данной работе представлены данные по накоплению техногенных радионуклидов промысловыми рыбами (щукой, Esox lucius; хариусом, Thymallus arcticus, и ельцом, Leuciscus leuciscus baicalensis), обитающими на радиоактивно загрязненном участке р.Енисей в 2005-2014 гг. Из числа техногенных радионуклидов, которые регистрировались в мышцах рыб во время работы последнего ядерного реактора (32P, 60Co, 65Zn, 137Cs), только 137Cs регистрировался в течение четырех лет после остановки реакторного производства на ГХК. Содержание 137Cs в мышцах рыб было значительно ниже установленных в Российской Федерации санитарных норм. Содержание 137Cs в мышцах хищных рыб было выше, чем в мышцах мирных. Содержание 137Cs в ихтиофауне р. Енисей не снизилось после остановки последнего реакторного производства на ГХК, в то время как содержание радионуклидов с наведенной активностью снизилось значительно. Это можно объяснить неизменным потоком 137Cs в р. Енисей со сбросами радиохимического производства ГХК и депозитами 137Cs в донных отложениях. Можно ожидать, что концентрация 137Cs в мышцах рыб не снизится в ближайшие десятилетия.
The Yenisei River is contaminated with artificial radionuclides due to the weapons-grade plutonium production at the Mining-and-Chemical Combine (MCC) at Zheleznogorsk (Russia) for more than 50 years. The last reactor plant at the MCC was shut down in 2010. The research presents the data on accumulation of artificial radionuclides in wild fish (pike, Esox lucius; grayling, Thymallus arcticus; and dace, Leuciscus leuciscus baicalensis) inhabiting the radioactively contaminated part of the Yenisei River between 2005 and 2014. Among artificial radionuclides that were detected in fish muscles when the last nuclear reactor plant was operating (32P, 60Co, 65Zn, 137Cs), only 137Cs was recorded four years after the shutdown of the nuclear power plant at the MCC. The concentrations of 137Cs in fish muscles were considerably below the sanitary norms for this radionuclide in the Russian Federation. Piscivorous fish species accumulated higher concentration of 137Cs in their muscles than non-predatory species. Concentration of 137Cs in fish fauna of the Yenisei River did not decrease after the shutdown of the last nuclear power plant at the MCC, while the concentration of radionuclides with induced activity decreased considerably. This can be explained by the constant inflow of 137Cs into the Yenisei River due to discharges from the radiochemical plant at the MCC and the deposits of 137Cs in the bottom sediments. We can expect that the concentration of 137Cs in fish muscles will not decrease in the next few decades.

РИНЦ
Держатели документа:
Институт биофизики СО РАН

Доп.точки доступа:
Зотина, Татьяна Анатольевна; Zotina T.A.; Трофимова, Елена Александровна; Trofimova E. A.; Дементьев, Дмитрий Владимирович; Dementyev D. V.; Карпов, Антон Дмитриевич; Karpov A.D.; Паньков, Егор Викторович; Pankov E.V.; Болсуновский, Александр Яковлевич; Bolsunovsky A.Y.

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Seasonal variability of length-weight relationships of Arctic grayling (Thymallus arcticus) and Siberian dace (Leuciscus baicalensis) inhabiting the middle reaches of the Yenisei River, Siberia, Russia / I. V. Zuev, E. A. Trofimova, T. A. Zotina // Turk. J. Fish. Quat. Sci. - 2019. - Vol. 19, Is. 10. - P893-897, DOI 10.4194/1303-2712-v19_10_09. - Cited References:23. - The authors would like to thank Natalia Oskina, Nikolay Moshkin, and Tatiana Fetisova for their help with fish measurements. The work was partly supported by Russian Foundation for Basic Research, Grant No. 18-44-240003. . - ISSN 1303-2712. - ISSN 2149-181X

РУБ Fisheries + Marine & Freshwater Biology
Рубрики:
FISH
GROWTH
PALLAS
Кл.слова (ненормированные):
LWR -- Fish condition -- Baikal grayling -- Total length -- Total body weight
Аннотация: The present study proves the presence of seasonal variability of LWRs of Arctic grayling and Siberian dace inhabiting the middle reaches of the Yenisei River. LWRs were estimated using total length (cm) and total body weight (g). The literature data on LWRs of dace and grayling from different regions were compared using log a over b plot. The comparison revealed that seasonal variability of LWRs was wider than the geographic variability for these species. The position of points on the plot can be used to predict the season of sample collection and vice versa.

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Держатели документа:
Siberian Fed Univ, Inst Fundamental Biol & Biotechnol, Svobodny Av 79, Krasnoyarsk 660041, Russia.
RAS, SB, Fed Res Ctr, Krasnoyarsk Sci Ctr,Inst Biophys, Akademgorodok 50-50, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Zuev, Ivan V.; Trofimova, Elena A.; Zotina, Tatiana A.; Zuev, Ivan; Russian Foundation for Basic Research [18-44-240003]

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Time-dependent trends of artificial radionuclides in biota of the Yenisei River (Siberia, Russia) / T. A. Zotina, E. A. Trofimova, D. V. Dementyev // J. Environ. Radioact. - 2019. - Vol. 208-209. - Ст. 106028, DOI 10.1016/j.jenvrad.2019.106028 . - ISSN 0265-931X
Кл.слова (ненормированные):
Apatania crymophila -- Esox lucius -- Eulimnogammarus viridis -- Fontinalis antipyretica -- Leuciscus baicalensis -- Thymallus arcticus -- Fish -- Muscle -- Nuclear reactors -- Plant shutdowns -- Apatania crymophila -- Esox lucius -- Eulimnogammarus viridis -- Fontinalis antipyretica -- Leuciscus baicalensis -- Thymallus arcticus -- Radioisotopes -- Amphipoda -- Apatania crymophila -- Bryophyta -- Esox lucius -- Eulimnogammarus viridis -- Fontinalis antipyretica -- Leuciscus -- Thymallus arcticus -- Trichoptera
Аннотация: We investigated time-dependent trends of artificial radionuclides in aquatic moss, zoobenthos (amphipods and caddisfly larvae), and three abundant wild fish species (Northern pike, Arctic grayling, and Siberian dace) inhabiting the Yenisei River in the vicinity of the radioactive discharge site in 2007–2015, in a period before and after the shutdown of the last nuclear reactor plant at the Mining-and-Chemical Combine (MCC), which occurred in 2010. From our research, we learned that concentrations of short-lived radionuclides, whose discharges to the Yenisei either stopped or declined after the shutdown of the reactor plant at the MCC (24Na, 46Sc,51Cr, 54Mn, 58Co, 59Fe, 60Co, 65Zn, 103Ru, 141,144Ce, 152,154Eu, 239Np), decreased in biota samples as well. The ecological half-life (EHL) of 65Zn (0.4–0.7 y) was similar to the physical half-life of this isotope, the EHLs of 60Co (1.2–2.1 y) and 152Eu (1.8 y) were shorter than the physical half-lives of these isotopes. Concentration of 137Cs did not decrease significantly in biota of the Yenisei after the shutdown of the last reactor plant because the discharges of this radionuclide to the Yenisei continued at the same level. On a longer-term scale (since 1973 and since 1991), concentration of 137Cs in fish muscle had significantly decreased, following the decrease in annual discharges of this radionuclide to the Yenisei, and the EHL of 137Cs was estimated as 6.5–12.8 y. Statistically significant correlation with annual discharges of 137Cs was revealed for the concentration of this radionuclide in grayling (whole bodies and muscle); dace (muscle), and amphipods. Despite their ability to accumulate high concentrations of 137Cs, aquatic moss and caddisfly larvae (analyzed together with their stony casings) were not sensitive to interannual fluctuations in the releases of this radionuclide to the Yenisei. Among the analyzed fish species of the Yenisei, the highest activity concentration of 137Cs was revealed in pike (body and muscle), indicating biomagnification of this radionuclide in the top level of the trophic chain. © 2019 Elsevier Ltd

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Держатели документа:
Institute of Biophysics, Federal Research Center “Krasnoyarsk Science Center” of the Siberian Branch of the Russian Academy of Sciences, 50/50 Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Institute of Fundamental Biology and Biotechnology, Siberian Federal University, 79 Svobodny av., Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Zotina, T. A.; Trofimova, E. A.; Dementyev, D. V.

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