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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zotina T. A., Anishchenko, O., V, Trofimova E. A., Dementiev, D., V
Заглавие : Comparative Assessment of the Content of Transition Metals (Cu, Zn, Mn, Pb, and Cd) and Radiocesium (Cs-137) in Pike (Esox lucius) and Burbot (Lota lota) of the Yenisei River
Колич.характеристики :9 с
Коллективы : Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [18-44-240003]; Government of Krasnoyarsk krai; Krasnoyarsk Regional Fund for Support of Scientific and Technical Activity [20-44-240004]
Место публикации : Contemp. Probl. Ecol.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2022. - Vol. 15, Is. 1. - С. 91-99. - ISSN 1995-4255, DOI 10.1134/S1995425522010115. - ISSN 1995-4263(eISSN)
Примечания : Cited References:36. - This work was supported by the Russian Foundation for Basic Research, grant no. 18-44-240003, and the Government of Krasnoyarsk krai, together with the Krasnoyarsk Regional Fund for Support of Scientific and Technical Activity, grant no. 20-44-240004.
Предметные рубрики: FRESH-WATER FISH
NORTHERN PIKE
HEAVY-METALS
BRAMA L.
FOOD-WEB
SIZE
Аннотация: The trophic position of fish is one of the most important factors controlling the accumulation of potentially toxic elements and compounds in fish tissues, primarily via the spectrum of fish nutrition. In this study, the content of potentially toxic transition metals (Cu, Zn, Mn, Pb, and Cd) and radiocesium (Cs-137) in the edible tissues (muscles and liver) of two representatives of the fish-eating ichthyofauna of the Yenisei River, northern pike (Esox lucius) and burbot (Lota lota), have been comparatively studied relatively to the size of the fish. A significant decrease in the content of radiocesium and zinc in the muscles of pike and zinc in the liver of pike with an increase in body size has been recorded in juvenile pikes with a body weight (W) of less than 0.35 kg. For larger sexually mature pikes, no significant size dependences of the accumulation of metals in tissues are found. A positive correlation is found between the content of Cs-137, Cu, Zn, and Mn in muscles and the size of burbot in the W range from 0.42 to 1.62 kg. The tissues of burbots and pikes of the same size significantly (p 0.05) differ in the concentration of metals in their tissues: concentrations of Zn and Mn are 1.6-2.2 times higher in the muscle of burbot; the concentration of Pb is 1.8 times higher in muscle of pike; Cu is twice as high in the liver of burbot; and Zn and Mn are 4.7 and 1.6 times higher in the liver of pike, respectively. These differences may be due to the different food spectra of pike and burbot. Concentrations of Cu, Zn, and Mn in the liver of pike are 3-7 times higher than in muscle; the concentration of Cu in the liver of burbot is 5 times higher than in muscle. Pb and Cd tend to be higher in liver than muscle for both fish species. Despite the revealed size dependences, the concentrations of potentially toxic metals and radiocesium in the muscles and liver of fish are below the permissible concentrations for food. These results can be used to assess environmental risks for the population consuming fish, as well as to plan for the long-term environmental monitoring of rivers using representatives of piscivorous fish.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bolsunovsky, A. Ya., Dementyev D. V., Vakhrushev V. I.
Заглавие : Transport of Artificial Radionuclides over Long Distances Downstream along the Yenisei River during the 1966 Extreme Flood Event
Колич.характеристики :5 с
Коллективы : Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [18-44-240001]
Место публикации : Dokl. Earth Sci.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2021. - Vol. 498, Is. 2. - С. 514-518. - ISSN 1028-334X, DOI 10.1134/S1028334X21060052. - ISSN 1531-8354(eISSN)
Примечания : Cited References:12. - This study was supported in part by the Russian Foundation for Basic Research, project no. 18-44-240001.
Предметные рубрики: SEDIMENTS
ELEMENTS
Аннотация: Long-term research has revealed layers with abnormally high concentrations of Cs-137 in bottom sediments and alluvial soils in the floodplain of the Yenisei River at various distances (as far as 820 km) downstream from the radioactive discharge point of the Mining-and-Chemical Combine (MCC) of Rosatom. The highest activity concentration of Cs-137 in these layers reached 26 000 Bq/kg, which was higher than the Cs-137 maximum at the well-known radioactive anomaly in the Yeniseisk riparian zone (330 km downstream from the MCC), which was formed during the 1966 extreme flood event. The radionuclide composition and the Cs-137/Eu-152 and Cs-137/Co-60 ratios in the anomalous layers studied were the same as those at the Yeniseisk anomalous site, suggesting that they had the same origin by the transport of sediments from the MCC area during the 1966 extreme flood event. The transport of radioactive bottom sediments over long distances from the MCC discharge point downstream along the Yenisei River during the 1966 extreme flood event may continue to pose a possible radiation hazard to the river ecosystem and residents of riverside villages.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Fefilova, Elena, Dubovskaya, Olga, Kononova, Olga, Frolova, Larisa, Abramova, Ekaterina, Nigamatzyanova, Gulnara
Заглавие : Data on taxa composition of freshwater zooplankton and meiobenthos across Arctic regions of Russia
Колич.характеристики :7 с
Коллективы : Institute of Biophysics of the Federal Research Center "Krasnoyarsk Science Center" of the Siberian Branch of the Russian Academy of Sciences [51.1.1]; Siberian Federal University [FSRZ-2020-0006]; Russian Science FoundationRussian Science Foundation (RSF) [20-17-00135]; Kazan Federal University [671-2020-0049]; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [18-05-00406]; Russian Foundation for Basic Research (RFBR)Russian Foundation for Basic Research (RFBR) [20-04-00145_a]
Место публикации : Data Brief: ELSEVIER, 2021. - Vol. 36. - Ст.107112. - ISSN 2352-3409, DOI 10.1016/j.dib.2021.107112
Примечания : Cited References:17. - The work was performed in part as Federal Tasks to the Department of Animal Ecology of the Institute of Biology of Komi Science Centre of the Ural Branch of the Russian Academy of Sciences (AAAA-A17-117112850235-2) (to EF and OK), to the Institute of Biophysics of the Federal Research Center "Krasnoyarsk Science Center" of the Siberian Branch of the Russian Academy of Sciences (project No. 51.1.1) and the Siberian Federal University (project No. FSRZ-2020-0006) (to OD). The paleolimnological part of this work was supported by grant from Russian Science Foundation (project 20-17-00135). L. Frolova and G. Nigamatzyanova were supported by the subsidy allocated to Kazan Federal University for the state assignment #671-2020-0049 in the sphere of scientific activities and by the Russian Foundation for Basic Research (grant 18-05-00406). The work was partly financially supported by the Russian Foundation for Basic Research (RFBR) grant: 20-04-00145_a (to EF). Monitoring investigations in the Lena River Delta were conducted under the framework of Russian-German, "Lena" expeditions (Alfred Wegener Institute, Potsdam, Germany) with logistic and technical support of Scientific Research Station "Samoylov Island" (the Trofimuk Institute of Petroleum-Gas, Geology and Geophysics SB RAS, Novosibirsk) (to EA).
Предметные рубрики: CRUSTACEA
RECORDS
LAKES
Аннотация: We present the presence/absence species list (Table 1) of rotifer, cladoceran, and copepod (Calanoida, Harpacticoida, and Cyclopoida) fauna from seven Arctic regions of Russia (the Kola Peninsula, the Pechora River Delta, the Bolshezemelskaya tundra, the Polar Ural, the Putorana Plateau, the Lena River Delta, and the Indigirka River Basin) based on our own and literature data. Our own records were obtained by analyzing samples of zooplankton, meiobenthos, and two cores of bottom sediments (from the Kola Peninsula and the Bolshezemelskaya tundra lakes) that we collected once in July or August in 1992, 1995-2017. To supplement the list, we used relevant literature with periods of research from the 1960s to the 2010s. The list is almost identical to "Dataset 2: Zooplankton and Meiofauna across Arctic Regions of Russia", which was analyzed but not published in [1]. The detailed analysis of this list revealed the specific composition of the aquatic fauna associated with the climatic and geographical factors [1]. The data provide information on the current state of biodiversity and species richness in Arctic fresh waters and can serve as the basis for monitoring these environments and predicting how they are likely to change in the future. (C) 2021 The Author(s). Published by Elsevier Inc.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gladyshev M. I.
Заглавие : Oil Spills in Fresh Waters and State of Ecosystem of Lake Pyasino before the Incidental Spill of 2020
Колич.характеристики :10 с
Коллективы : Siberian Branch of the Russian Academy of SciencesRussian Academy of Sciences [223-EP2020/07]; Basic Research of the Russian Federation [51.1.1]
Место публикации : Contemp. Probl. Ecol.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2021. - Vol. 14, Is. 4. - С. 313-322. - ISSN 1995-4255, DOI 10.1134/S1995425521040041. - ISSN 1995-4263(eISSN)
Примечания : Cited References:50. - This work was supported by Federal Tasks no. 223-EP2020/07 with the Siberian Branch of the Russian Academy of Sciences and by State Assignment as a part of Basic Research of the Russian Federation, topic no. 51.1.1.
Предметные рубрики: POLYUNSATURATED FATTY-ACIDS
PECHORA BASIN
RIVER
ZOOPLANKTON
Аннотация: This article presents the history of large oil spills in freshwaters, considering the processes of physicochemical and biological degradation of oil. It discusses the toxicity of oil for hydrobionts and effects of oil pollution on communities of plankton, benthos, and ichthyofauna, as well as challenges in mitigating the environmental impact of oil spills. The discussion is concerned with the state of the ecosystem in Lake Pyasino before the incidental spill of 2020, specifically, hydrochemical indicators; species composition; and abundance and biomass of plankton, benthos, and fish. Candidate technologies for restoring the Lake Pyasino ecosystem are reviewed, including "bottom-up" biomanipulation.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kolmakova O. V., Trusova, M. Yu., Baturina O. A., Kabilov M. R.
Заглавие : Bacteria of Lake Pyasino and Adjacent Rivers after an Accidental Diesel Spill in 2020
Колич.характеристики :12 с
Коллективы : Siberian Branch of the Russian Academy of SciencesRussian Academy of Sciences [223-EP-2020/07]; Project Office for the Development of the Arctic (PORA); State Task of the Fundamental Research Program of the Russian Federation [51.1.1]; ICBFM SB RAS [AAAAA17-117020210021-7]
Место публикации : Contemp. Probl. Ecol.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2021. - Vol. 14, Is. 4. - С. 356-367. - ISSN 1995-4255, DOI 10.1134/S1995425521040053. - ISSN 1995-4263(eISSN)
Примечания : Cited References:22. - This work was supported by economic agreement no. 223-EP-2020/07 with the Siberian Branch of the Russian Academy of Sciences and the Project Office for the Development of the Arctic (PORA), and State Task of the Fundamental Research Program of the Russian Federation, topic no. 51.1.1. Bioinformatics analysis was supported by basic budget funding from the ICBFM SB RAS (AAAAA17-117020210021-7).
Предметные рубрики: SP-NOV.
GEN. NOV.
OIL
BACTERIOPLANKTON
SEQUENCES
Аннотация: The bacterial composition of water and sediments in Lake Pyasino and adjacent rivers has been studied by high-throughput sequencing for the first time. No hydrocarbon-degrading bacteria are found in the river sections exposed to the diesel spillage in May 2020. The Daldykan and Ambarnaya rivers, located downstream of the spill site, are dominated by bacteria that oxidize sulfur and heavy metals. At the same time, these bacteria are not found in Lake Pyasino, which is dominated by small cyanobacteria. Thus, the composition of bacteria in the water and sediments of the Norilsk-Pyasino lake-river system corresponds to the technogenic impact to which it is exposed and also demonstrates the buffer properties of Lake Pyasino as water flows into the Kara Sea.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bezmaternykh D. M., Puzanov A. V., Kotovshchikov A. V., Drobotov A. V., Tolomeev A. P.
Заглавие : Hydrochemical Indicators of Water Quality in the Norilsk-Pyasino Lake-River System after a Diesel Fuel Spill at Norilsk Heat and Power Plant 3 in 2020
Колич.характеристики :12 с
Место публикации : Contemp. Probl. Ecol.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2021. - Vol. 14, Is. 4. - С. 323-334. - ISSN 1995-4255, DOI 10.1134/S1995425521040028. - ISSN 1995-4263(eISSN)
Примечания : Cited References:22
Аннотация: The results of a hydrochemical analysis of the consequences of an accidental fuel release in the Norilsk-Pyasino water system are presented. The pollution of watercourses in the catchment of Lake Pyasino (a nameless (Nadezhdinsky) creek, the Daldykan River, and the Ambarnaya River) with oil products, phenols, easily oxidizable and hard to oxidize organic matter (COD, PO, and BOD5), suspended solids, inorganic salts, and heavy metals at concentrations exceeding the background levels and MPC for fishery water bodies, as well as a temperature rise in waters of the nameless creek near Norilsk Heat and Power Plant 3 (CHPP-3), have been revealed. The contamination of the surface water decreases downstream in ascending order: nameless creek-Daldykan River-Ambarnaya River. The occurrence of oil products, phenols, and organic substances in the surface waters 2 months after the fuel spill is obviously due to their diffusion from the river bottom sediments, which accumulated a considerable quantity of heavy fractions of diesel fuel after the accident. Increased concentrations of Ca, Cu, Zn, Mn, Co, and Ni in the waters of the studied tributaries of Lake Pyasino are not directly related to the accident; they result from the general technogenic pollution of the territory and the increased geochemical background for these elements. Water contamination with oil products and phenols in the studied areas of Lake Pyasino (its central and northern parts) and the Pyasino River has not been detected. However, Pb concentrations exceed the MPC and Cd is recorded in the water, which is probably due to pollutants that accumulated in previous years.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zotina, Tatiana, Dementyev, Dmitry, Alexandrova, Yuliyana
Заглавие : Long-term trends and speciation of artificial radionuclides in two submerged macrophytes of the Yenisei River: A comparative study of Potamogeton lucens and Fontinalis antipyretica
Колич.характеристики :15 с
Коллективы : Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR); Krasnoyarsk Regional Scientific Foundation [18-44-240003]
Место публикации : J. Environ. Radioact.: ELSEVIER SCI LTD, 2021. - Vol. 227. - Ст.106461. - ISSN 0265-931X, DOI 10.1016/j.jenvrad.2020.106461. - ISSN 1879-1700(eISSN)
Примечания : Cited References:37. - The authors are grateful to the staff of the Radioecology Laboratory and the head of the Laboratory, Dr. Alexander Bolsunovsky, to the staff of Analytical Laboratory (Institute of Biophysics SB RAS) for their help in sample collection and measurement and to Elena Krasova for linguistic check and improvements. We also appreciate comments of anonymous reviewers, which allowed us to improve our manuscript. The research was supported partly (in 2018-2020) by the grant of Russian Foundation for Basic Research and Krasnoyarsk Regional Scientific Foundation No.18-44-240003.
Предметные рубрики: HEAVY-METALS
BRYOPHYTES
CONTAMINATION
BIOMASS
PLANTS
CS-137
TOOL
Аннотация: Long-term trends of artificial radionuclides, from 2003 to 2018, in two abundant species of macrophytes, shining pondweed, Potamogeton lucens, and water moss, Fontinalis antipyretica, have been analyzed to estimate the indicative reliability of these two species as biomonitors of radioactive contamination in a river system and to quantify the decrease in the content of artificial radionuclides in the Yenisei River. Time-dependent trends of artificial radionuclides in the biomass of these species were similar, resulting in estimates of effective half-lives for Mn-54, Co-58, Co-60, Zn-65, Cs-137, and Eu-152 similar for both species. Concentrations of artificial radionuclides in biomass of shining pondweed and water moss correlated with annual discharges of the radionuclides to the Yenisei at different levels of significance, and the strongest (R-2 0.7) positive correlation (p 0.05) was obtained for Co-60, Zn-65, and Eu-152. Concentrations of Co-60, Cs-137, and Eu-152 in water moss were 2-7.5 times higher than in shining pondweed, and considerable percentages of those isotopes were recorded in extracellular particulate matter, which was largely represented by epiphytic diatoms. Higher concentrations of artificial radionuclides in the biomass of water moss can be considered as an advantage of water moss as a monitor of radioactive contamination of the Yenisei, while shining pondweed is more useful for estimation of annual deposits of radionuclides in vegetation of the Yenisei and spatial transfer of radionuclides downstream of the discharge site. Despite differences in concentrations of artificial radionuclides, both species can be considered as reliable indicators of radioactive contamination of the river on a long-term scale.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zotina T., Dementyev D., Alexandrova Y.
Заглавие : Long-term trends and speciation of artificial radionuclides in two submerged macrophytes of the Yenisei River: A comparative study of Potamogeton lucens and Fontinalis antipyretica
Место публикации : J. Environ. Radioact.: Elsevier Ltd, 2021. - Vol. 227. - Ст.106461. - ISSN 0265931X (ISSN), DOI 10.1016/j.jenvrad.2020.106461
Аннотация: Long-term trends of artificial radionuclides, from 2003 to 2018, in two abundant species of macrophytes, shining pondweed, Potamogeton lucens, and water moss, Fontinalis antipyretica, have been analyzed to estimate the indicative reliability of these two species as biomonitors of radioactive contamination in a river system and to quantify the decrease in the content of artificial radionuclides in the Yenisei River. Time-dependent trends of artificial radionuclides in the biomass of these species were similar, resulting in estimates of effective half-lives for 54Mn, 58Co, 60Co, 65Zn, 137Cs, and 152Eu similar for both species. Concentrations of artificial radionuclides in biomass of shining pondweed and water moss correlated with annual discharges of the radionuclides to the Yenisei at different levels of significance, and the strongest (R2 > 0.7) positive correlation (p < 0.05) was obtained for 60Co, 65Zn, and 152Eu. Concentrations of 60Co, 137Cs, and 152Eu in water moss were 2–7.5 times higher than in shining pondweed, and considerable percentages of those isotopes were recorded in extracellular particulate matter, which was largely represented by epiphytic diatoms. Higher concentrations of artificial radionuclides in the biomass of water moss can be considered as an advantage of water moss as a monitor of radioactive contamination of the Yenisei, while shining pondweed is more useful for estimation of annual deposits of radionuclides in vegetation of the Yenisei and spatial transfer of radionuclides downstream of the discharge site. Despite differences in concentrations of artificial radionuclides, both species can be considered as reliable indicators of radioactive contamination of the river on a long-term scale. © 2020 Elsevier Ltd
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zuev I. V., Andrushchenko P. Y., Chuprov S. M., Zotina T. A.
Заглавие : Structural Features of Scales of Baikal Grayling Thymallus baicalensis under Conditions of an Altered Hydrological Regime
Место публикации : Inland Water Biol.: Pleiades journals, 2021. - Vol. 14, Is. 1. - С. 60-66. - ISSN 19950829 (ISSN), DOI 10.1134/S1995082920060176
Аннотация: Abstract: The number of circuli between annual scale rings of grayling Thymallus baicalensis Dybowski, 1874 sampled in the Yenisei River in the downstream section of the Krasnoyarsk Hydroelectric Power Station, which does not freeze in winter, have been investigated and compared with populations of grayling from large tributaries of the Yenisei River (Amyl, Kan, Nizhnyaya Tunguska, and Bolshaya Kheta). It has been shown that graylings inhabiting the Yenisei River have a significantly higher (1.5–2.0 times, p 0.01) number of circuli in the second, third, and fourth annual rings of the scales than in the populations from the tributaries, which corresponds to a higher growth rate of the grayling population in the Yenisei River. An assumption is made about the transition of graylings inhabiting the Yenisei River channel in the lower reaches of the hydroelectric station to a sedentary lifestyle. © 2021, Pleiades Publishing, Ltd.
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Fefilova E., Dubovskaya O., Kononova O., Frolova L., Abramova E., Nigamatzyanova G.
Заглавие : Data on taxa composition of freshwater zooplankton and meiobenthos across Arctic regions of Russia
Место публикации : Data Brief: Elsevier Inc., 2021. - Vol. 36. - Ст.107112. - ISSN 23523409 (ISSN), DOI 10.1016/j.dib.2021.107112
Аннотация: We present the presence/absence species list (Table 1) of rotifer, cladoceran, and copepod (Calanoida, Harpacticoida, and Cyclopoida) fauna from seven Arctic regions of Russia (the Kola Peninsula, the Pechora River Delta, the Bolshezemelskaya tundra, the Polar Ural, the Putorana Plateau, the Lena River Delta, and the Indigirka River Basin) based on our own and literature data. Our own records were obtained by analyzing samples of zooplankton, meiobenthos, and two cores of bottom sediments (from the Kola Peninsula and the Bolshezemelskaya tundra lakes) that we collected once in July or August in 1992, 1995–2017. To supplement the list, we used relevant literature with periods of research from the 1960s to the 2010s. The list is almost identical to “Dataset 2: Zooplankton and Meiofauna across Arctic Regions of Russia”, which was analyzed but not published in [1]. The detailed analysis of this list revealed the specific composition of the aquatic fauna associated with the climatic and geographical factors [1]. The data provide information on the current state of biodiversity and species richness in Arctic fresh waters and can serve as the basis for monitoring these environments and predicting how they are likely to change in the future. © 2021
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11.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zuev, I., V, Andrushchenko, P. Yu, Chuprov S. M., Zotina T. A.
Заглавие : Structural Features of Scales of Baikal Grayling Thymallus baicalensis under Conditions of an Altered Hydrological Regime
Колич.характеристики :7 с
Коллективы : Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [18-44-240003]; Krasnoyarsk Regional Foundation [18-44-240003]; Siberian Federal University; Institute of Biophysics, Siberian Branch, Russian Academy of SciencesRussian Academy of Sciences
Место публикации : Inland Water Biol.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2021. - Vol. 14, Is. 1. - С. 60-66. - ISSN 1995-0829, DOI 10.1134/S1995082920060176. - ISSN 1995-0837(eISSN)
Примечания : Cited References:39. - This study was partly supported by the Russian Foundation for Basic Research and Krasnoyarsk Regional Foundation for the Support of Scientific and Scientific-Technical Activity (2018-2020), project no. 18-44-240003, and budget themes of the Siberian Federal University and the Institute of Biophysics, Siberian Branch, Russian Academy of Sciences
Аннотация: The number of circuli between annual scale rings of grayling Thymallus baicalensis Dybowski, 1874 sampled in the Yenisei River in the downstream section of the Krasnoyarsk Hydroelectric Power Station, which does not freeze in winter, have been investigated and compared with populations of grayling from large tributaries of the Yenisei River (Amyl, Kan, Nizhnyaya Tunguska, and Bolshaya Kheta). It has been shown that graylings inhabiting the Yenisei River have a significantly higher (1.5-2.0 times, p 0.01) number of circuli in the second, third, and fourth annual rings of the scales than in the populations from the tributaries, which corresponds to a higher growth rate of the grayling population in the Yenisei River. An assumption is made about the transition of graylings inhabiting the Yenisei River channel in the lower reaches of the hydroelectric station to a sedentary lifestyle.
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12.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zuev, Ivan V., Andrushchenko, Pavel Yu., Zotina, Tatiana A.
Заглавие : Seasonal formation of annual rings on the scales of Baikal grayling inhabiting the middle reaches of the Yenisei River under altered temperature regime
Колич.характеристики :10 с
Коллективы : Russian Foundation for Basic Research, Government of the Krasnoyarsk Territory; Krasnoyarsk Regional Scientific Foundation [20-44-240009]
Место публикации : Environ. Biol. Fishes: SPRINGER, 2021. - Article in press. - ISSN 0378-1909, DOI 10.1007/s10641-021-01155-y. - ISSN 1573-5133(eISSN)
Примечания : Cited References:40. - The research was supported by the grant of Russian Foundation for Basic Research, Government of the Krasnoyarsk Territory, and Krasnoyarsk Regional Scientific Foundation No. 20-44-240009.
Предметные рубрики: THYMALLUS-ARCTICUS
FLOW REGULATION
SOCKEYE-SALMON
SOMATIC GROWTH
Аннотация: The seasonal formation of annual rings on the scales of Baikal grayling from the middle reaches of the Yenisei River has been studied to find out the reasons for the high growth rate of the grayling under altered temperature regime downstream of the dam of the Krasnoyarsk Hydroelectric Plant. The number of circuli outside the last identified annuli and in the second, third, and fourth completed annuli was estimated on 569 fish caught during the annual cycle. The von Bertalanffy growth function was used to describe the increment in the number of circuli over a year. The calculation showed that a new annual ring was produced in July. In November, there was no statistically significant difference between the circulus number in scale increment and the circulus number in the corresponding completed annuli of older fish. Thus, despite the increased duration of the period with optimal water temperatures downstream of the dam of the Krasnoyarsk Hydroelectric Plant, fish growth was observed in a limited period of the year, from July to November. The probable reason for the high growth rate of grayling in the study area is that the fish do not have to waste energy on seasonal migration to the tributaries. Taking into account that grayling biomass production in the middle Yenisei occurs from July to November, we can recommend shifting the dates of commercial fishing for grayling to the end of this period-November-December.
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13.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zuev I. V., Andrushchenko P. Y., Zotina T. A.
Заглавие : Seasonal formation of annual rings on the scales of Baikal grayling inhabiting the middle reaches of the Yenisei River under altered temperature regime
Место публикации : Environ. Biol. Fishes: Springer Science and Business Media B.V., 2021. - Article in press. - ISSN 03781909 (ISSN), DOI 10.1007/s10641-021-01155-y
Аннотация: The seasonal formation of annual rings on the scales of Baikal grayling from the middle reaches of the Yenisei River has been studied to find out the reasons for the high growth rate of the grayling under altered temperature regime downstream of the dam of the Krasnoyarsk Hydroelectric Plant. The number of circuli outside the last identified annuli and in the second, third, and fourth completed annuli was estimated on 569 fish caught during the annual cycle. The von Bertalanffy growth function was used to describe the increment in the number of circuli over a year. The calculation showed that a new annual ring was produced in July. In November, there was no statistically significant difference between the circulus number in scale increment and the circulus number in the corresponding completed annuli of older fish. Thus, despite the increased duration of the period with optimal water temperatures downstream of the dam of the Krasnoyarsk Hydroelectric Plant, fish growth was observed in a limited period of the year, from July to November. The probable reason for the high growth rate of grayling in the study area is that the fish do not have to waste energy on seasonal migration to the tributaries. Taking into account that grayling biomass production in the middle Yenisei occurs from July to November, we can recommend shifting the dates of commercial fishing for grayling to the end of this period—November–December. © 2021, The Author(s), under exclusive licence to Springer Nature B.V.
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14.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gusakov, Vladimir A., Makhutova, Olesia N., Gladyshev, Michail I., Golovatyuk L. V., Zinchenko, Tatiana D.
Заглавие : Ecological Role of Cyprideis torosa and Heterocypris salina (Crustacea, Ostracoda) in Saline Rivers of the Lake Elton Basin: Abundance, Biomass, Production, Fatty Acids
Колич.характеристики :16 с
Коллективы : Russian Foundation for Basic Research (RFBR)Russian Foundation for Basic Research (RFBR) [13-04-00740, 15-04-03341, 17-04-00135]; Russian FederationRussian Federation [51.1.1]; Ministry of Science and Higher Education of the Russian Federation [FSRZ-2020-0006]
Место публикации : Zool. Stud.: BIODIVERSITY RESEARCH CENTER, ACAD SINICA, 2021. - Vol. 60. - Ст.53. - ISSN 1021-5506, DOI 10.6620/ZS.2021.60-53. - ISSN 1810-522X(eISSN)
Примечания : Cited References:84. - This research was performed in the framework of State Assignments No. 121051100109-1 and AAAA-A17-117112040039-7, and it was also supported by the grants from Russian Foundation for Basic Research (RFBR) (projects numbers 13-04-00740, 15-04-03341, 17-04-00135), State Assignment within the framework of the basic research program of the Russian Federation (topic No. 51.1.1), State Assignment of the Ministry of Science and Higher Education of the Russian Federation to Siberian Federal University in 2020 (project No. FSRZ-2020-0006 "Biologically active substances in environmental, biotechnological and medical systems"). The authors are grateful to Elena Krasova for linguistic check and improvements of the manuscript. We would also like to thank two anonymous reviewers for their constructive comments, recommendations as well as extra corrections of the paper's language and style.
Предметные рубрики: JONES 1850 CRUSTACEA
MACROZOOBENTHIC COMMUNITIES
INVERTEBRATES
Аннотация: Saline rivers are highly productive ecosystems in arid regions. The meiobenthic community (bottom meiofauna) and its dominant representatives are one of the least studied components of these aquatic ecosystems. Ostracods Cyprideis torosa and Heterocypris salina are major consumers among the species of bottom meiofauna in saline rivers flowing into the hyperhaline Lake Elton (Volgograd Region, Russia). We estimated the abundance, biomass and production of C. torosa, the dominant species at the mouth of the polyhaline Chernavka River (average salinity is similar to 30 g l(-1)), and H. salina, the dominant species at the mouth of the mesohaline Bolshaya Samoroda River (similar to 13 g l(-1)), in spring (May) and summer (August). Additionally, we studied the composition and content of fatty acids of the ostracods and their potential food sources (bottom sediments with bacterial-algal mats). We found that the abundance and biomass (wet weight with shells) of C. torosa in the Chernavka River and H. salina in the Bolshaya Samoroda River reached 3.5 x 10(6) ind. m(-2) and 117 g m(-2), and 1.1 x 10(5) ind. m(-2) and 12 g m(-2), respectively. The first species formed on average about 85% of the total abundance and 96% of the total biomass of the meiobenthos, and the second one, about 13% and 31%, respectively. The daily production of C. torosa and H. salina can reach 249 and 36 mg m(-2) ash-free dry weight, respectively. The results indicate that these species may play an important role in the total flow of matter and energy in the studied habitats. Based on the fatty acid (FA) composition of the ostracods and their food sources, it was found that C. torosa mainly consumed diatoms, while H. salina preferred bacteria, cyanobacteria, and green algae. Differences between the species were greater than differences between the bottom sediments from the rivers. It may mean that the ostracods selectively consumed different food items that may be related to the different nutrient requirements of the species. Seasonal changes in the FA compositions of the ostracods were higher than in their food sources (bottom sediments), which also indicates selective feeding of the species.
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15.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Dubovskaya O. P.
Заглавие : Life Cycle and Taxonomic Status of Senecella siberica Vyshkvartzeva 1994 (Copepoda, Calanoida) in Large Norilsk Lakes, Pyasina River Basin, Central Siberia
Колич.характеристики :4 с
Коллективы : Basic Research Program of the Russian Federation [51.1.1]; Ministry of Science and Higher Education of the Russian Federation [FSRZ-2020-0006]
Место публикации : Biol. Bull: PLEIADES PUBLISHING INC, 2021. - Vol. 48, Is. 8. - С. 1236-1239. - ISSN 1062-3590, DOI 10.1134/S1062359021080057. - ISSN 1608-3059(eISSN)
Примечания : Cited References:15. - This study was supported by a State Assignment within the framework of the Basic Research Program of the Russian Federation (topic no. 51.1.1) and a State Assignment of the Ministry of Science and Higher Education of the Russian Federation for Siberian Federal University (project no. FSRZ-2020-0006).
Предметные рубрики: LIMNOCALANUS-MACRURUS
HISTORIES
ABUNDANCE
Аннотация: During the winter of 2018, total zooplankton samples were taken under ice with a plankton net in Sobachye Lake, one of the large Norilsk lakes, in the western (April 13, May 6) and middle (May 6) parts at 70, 80, and 100 m depths. The previous assumption that Senecella in the large Norilsk lakes is reproduced in winter and is a univoltine species with a long (one-year) generation development time has been confirmed. The assignment of adult individuals to the species Senecella siberica Vyshkvartzeva 1994 has also been confirmed.
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16.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gusakov V. A., Makhutova O. N., Gladyshev M. I., Golovatyuk L. V., Zinchenko T. D.
Заглавие : Ecological role of cyprideis torosa and heterocypris salina (Crustacea, ostracoda) in saline rivers of the lake elton basin: Abundance, biomass, production, fatty acids
Место публикации : Zool. Stud.: Biodiversity Research Center, Academia Sinica, 2021. - Vol. 60. - С. 60-53. - ISSN 10215506 (ISSN), DOI 10.6620/ZS.2021.60-53
Аннотация: Saline rivers are highly productive ecosystems in arid regions. The meiobenthic community (bottom meiofauna) and its dominant representatives are one of the least studied components of these aquatic ecosystems. Ostracods Cyprideis torosa and Heterocypris salina are major consumers among the species of bottom meiofauna in saline rivers flowing into the hyperhaline Lake Elton (Volgograd Region, Russia). We estimated the abundance, biomass and production of C. torosa, the dominant species at the mouth of the polyhaline Chernavka River (average salinity is ~30 g l-1), and H. salina, the dominant species at the mouth of the mesohaline Bolshaya Samoroda River (~13 g l-1), in spring (May) and summer (August). Additionally, we studied the composition and content of fatty acids of the ostracods and their potential food sources (bottom sediments with bacterial-algal mats). We found that the abundance and biomass (wet weight with shells) of C. torosa in the Chernavka River and H. salina in the Bolshaya Samoroda River reached 3.5 ? 106 ind. m-2 and 117 g m-2, and 1.1 ? 105 ind. m-2 and 12 g m-2, respectively. The first species formed on average about 85% of the total abundance and 96% of the total biomass of the meiobenthos, and the second one, about 13% and 31%, respectively. The daily production of C. torosa and H. salina can reach 249 and 36 mg m-2 ash-free dry weight, respectively. The results indicate that these species may play an important role in the total flow of matter and energy in the studied habitats. Based on the fatty acid (FA) composition of the ostracods and their food sources, it was found that C. torosa mainly consumed diatoms, while H. salina preferred bacteria, cyanobacteria, and green algae. Differences between the species were greater than differences between the bottom sediments from the rivers. It may mean that the ostracods selectively consumed different food items that may be related to the different nutrient requirements of the species. Seasonal changes in the FA compositions of the ostracods were higher than in their food sources (bottom sediments), which also indicates selective feeding of the species. © 2021 Academia Sinica, Taiwan.
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17.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kravchuk E. S., Kotovshchikov A. V., Ivanova E. A.
Заглавие : Phytoplankton and Phytoperiphyton Characteristics of Lake Pyasino and Its Tributaries after an Accidental Fuel Spill in 2020
Колич.характеристики :12 с
Коллективы : Siberian Branch of the Russian Academy of SciencesRussian Academy of Sciences [223-EP-2020/07]
Место публикации : Contemp. Probl. Ecol.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2021. - Vol. 14, Is. 4. - С. 368-379. - ISSN 1995-4255, DOI 10.1134/S1995425521040065. - ISSN 1995-4263(eISSN)
Примечания : Cited References:30. - The study was supported by economic agreement no. 223-EP-2020/07 with the Siberian Branch of the Russian Academy of Sciences.
Предметные рубрики: OIL-SPILLS
Аннотация: An assessment of the species composition, abundance, biomass, and pigment characteristics of phytoperiphyton and phytoplankton of Lake Pyasino, its tributaries (Bezymyannyi Stream, Daldykan, Ambarnaya, and Norilskaya rivers), and the head of the Pyasina River has been carried out after a manmade accident (a diesel-fuel spill near the city of Norilsk in May 2020). A significant decline in the biomass and changes in the species composition of phytoperiphyton after the water was contaminated by fuel is revealed only near the spillage site (in the Daldykan River and the Ambarnaya River downstream the mouth of the Daldykan). Downstream, in the Ambarnaya mouth zone, as a response to the release of a large amount of nutrients during the decomposition of fuel products and dead organisms, as well as the mechanical cleaning of the bank line, there has been a massive growth of diatom and green algae (Tabularia tabulata, Spirogyra sp.) in the water column and the appearance of indicators of organic pollution (Euglenophyceae and Cryptophyceae). No significant changes in the plankton of Lake Pyasino and the Pyasina River in comparison with the data obtained in the second half of the 20th century (i.e., long before the accident) are found. Species composition and quantitative features, as well as amount and ratio of pigments, characterized the phytoplankton and phytoperiphyton of Lake Pyasino and the Pyasina River as a normally functioning freshwater community of oligotrophic waters. All this indicates the absence of a negative impact of the accidental fuel spill on the ecosystem of Lake Pyasino and the Pyasina River.
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18.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Dubovskaya O. P., Yolgina O. E., Morozova I. I.
Заглавие : Zooplankton of Lake Pyasino and the Rivers Flowing into It after the Diesel Spill in 2020
Колич.характеристики :11 с
Коллективы : Siberian Branch of the Russian Academy of SciencesRussian Academy of Sciences [223-EP-2020/07]
Место публикации : Contemp. Probl. Ecol.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2021. - Vol. 14, Is. 4. - С. 380-390. - ISSN 1995-4255, DOI 10.1134/S199542552104003X. - ISSN 1995-4263(eISSN)
Примечания : Cited References:35. - This work was supported by economic agreement no. 223-EP-2020/07 with the Siberian Branch of the Russian Academy of Sciences.
Предметные рубрики: NONPREDATORY MORTALITY
OIL-SPILLS
RECORDS
BASIN
STATE
Аннотация: At the beginning of August, 2 months after 20 000 t of diesel fuel spilled into the Bezymyanny Stream (which took it out to the Daldykan and Ambarnaya rivers), the large Norilsk expedition of the Siberian Branch, Russian Academy of Sciences, sampled net zooplankton at 13 stations located in both sections of these rivers and Lake Pyasino with the Pyasina River outflowing from it. A comparative analysis of the species composition, abundance, biomass, and saprobity index of zooplankton at these stations has been carried out. The productions of rotifer and crustacean zooplankton and potential production of planktivorous fish in Lake Pyasino have been calculated. Based on the state of zooplankton, a gradual improvement in water quality has been observed from river areas exposed to the oil products to the northern part of the lake and the River Pyasina outflow. The low abundance and biomass of zooplankton in the lake (43 800 +/- 17 550 ind./m(3), 112.8 +/- 26.2 mg/m(3), on average) due to the dominance of rotifers (Ploesoma truncatum (Levander), Bipalpus hudsoni (Imhof), and Conochilus unicornis Rousselet) resulted in low values of zooplankton production and the potential production of planktivorous fish (0.85 kg/ha per season).
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19.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Shulepina S. P., Dubovskaya O. P., Glushchenko L. A.
Заглавие : Zoobenthos of Lake Pyasino and the Rivers Flowing into It after the Diesel Spill of 2020
Колич.характеристики :8 с
Коллективы : Siberian Branch, Russian Academy of SciencesRussian Academy of Sciences [223-EP-2020/07]
Место публикации : Contemp. Probl. Ecol.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2021. - Vol. 14, Is. 4. - С. 391-398. - ISSN 1995-4255, DOI 10.1134/S1995425521040077. - ISSN 1995-4263(eISSN)
Примечания : Cited References:32. - This work was supported by the Siberian Branch, Russian Academy of Sciences, contract no. 223-EP-2020/07.
Предметные рубрики: CRUDE-OIL SPILL
Аннотация: The species composition and quantitative characteristics of the zoobenthos in Lake Pyasino and rivers flowing into it after a diesel spill have been analyzed. The production of zoobenthos and potential production of benthivorous fish in Lake Pyasino have been calculated. A small number of zoobenthos species and low values of abundance and biomass are revealed. In the Bezymyanny Stream, the mouth of the Daldykan River, and the Ambarnaya River, oligochaetes Limnodrilus hoffmeisteri Claparede and Tubifex tubifex (O. F. Muller) dominate in the zoobenthos abundance and biomass. In Lake Pyasino and the Pyasina River outflow, larvae of caddis flies, chironomids, stoneflies, and amphipods prevail. In the area of the deepwater silted station of Lake Pyasino, oligochaetes L.hoffmeisteri develop, the proportion of which in the benthic fauna at this station (40 and 79% of the total biomass and abundance, respectively) is maximal. The amphipod Monoporeia affinis (Lindstrom) dominates in terms of biomass at this station. A decrease in the chironomid diversity, an increase in the proportion of polysaprobic oligochaetes, and lower values of the Shannon index in Lake Pyasino in 2020 when compared to 1992 are found. The low abundance (2181 +/- 2048 ind./m(2)) and biomass (2.01 +/- 1.85 g/m(2)) of zoobenthos in the lake results in low values of zoobenthos production and the potential production of benthivorous fish (3 kg/ha per season). Based on the state of zoobenthos, an improvement in water quality has been observed from river sections exposed to the oil spill to the lake and the source of the River Pyasina.
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20.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bezmaternykh D. M., Puzanov A. V., Kotovshchikov A. V., Drobotov A. V., Tolomeev A. P.
Заглавие : Hydrochemical Indicators of Water Quality in the Norilsk–Pyasino Lake–River System after a Diesel Fuel Spill at Norilsk Heat and Power Plant 3 in 2020
Место публикации : Contemp. Probl. Ecol.: Pleiades journals, 2021. - Vol. 14, Is. 4. - С. 323-334. - ISSN 19954255 (ISSN), DOI 10.1134/S1995425521040028
Аннотация: Abstract: The results of a hydrochemical analysis of the consequences of an accidental fuel release in the Norilsk–Pyasino water system are presented. The pollution of watercourses in the catchment of Lake Pyasino (a nameless (Nadezhdinsky) creek, the Daldykan River, and the Ambarnaya River) with oil products, phenols, easily oxidizable and hard to oxidize organic matter (COD, PO, and BOD5), suspended solids, inorganic salts, and heavy metals at concentrations exceeding the background levels and MPC for fishery water bodies, as well as a temperature rise in waters of the nameless creek near Norilsk Heat and Power Plant 3 (CHPP-3), have been revealed. The contamination of the surface water decreases downstream in ascending order: nameless creek–Daldykan River–Ambarnaya River. The occurrence of oil products, phenols, and organic substances in the surface waters 2 months after the fuel spill is obviously due to their diffusion from the river bottom sediments, which accumulated a considerable quantity of heavy fractions of diesel fuel after the accident. Increased concentrations of Ca, Cu, Zn, Mn, Co, and Ni in the waters of the studied tributaries of Lake Pyasino are not directly related to the accident; they result from the general technogenic pollution of the territory and the increased geochemical background for these elements. Water contamination with oil products and phenols in the studied areas of Lake Pyasino (its central and northern parts) and the Pyasino River has not been detected. However, Pb concentrations exceed the MPC and Cd is recorded in the water, which is probably due to pollutants that accumulated in previous years. © 2021, Pleiades Publishing, Ltd.
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