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Research of the meteorological factors influence on the fluorescence measurements of subsurface phytoplankton in blooming reservoir / O. V. Anishchenko, V. I. Komakov, M. I. Gladyshev // Doklady Akademii Nauk. - 2004. - Vol. 397, Is. 1. - С. 124-127 . - ISSN 0869-5652
Кл.слова (ненормированные):
Bacteria -- Fluorescence -- Meteorological problems -- Precipitation (meteorology) -- Reservoirs (water) -- Solar radiation -- Wind effects -- Meteorological effects -- Algae
Аннотация: The reaction of algae and cyano-bacteria photosynthetic apparatus on atmospheric sediments, incident solar radiation and wind velocity was estimated by measuring chlorophyll fluorescence using three-beam fluorescent diagnostics. As shown, wind in the spring positively affects the chlorophyll concentration but causes negative effect on phytoplankton photosynthetic activity in other seasons. Under conditions of high-intensity solar irradiation confervoid and colonial cyanobacteria, possessing gas vacuoles, have an advantage over plankton eukaryotic algae. Other response differences weren't observed.

Scopus
Держатели документа:
Inst. Biofiziki SO RAN, Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Anishchenko, O.V.; Komakov, V.I.; Gladyshev, M.I.

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Simultaneous Bioluminescent Immunoassay of Serum Total and IgG-Bound Prolactins / A. N. Kudryavtsev [et al.] // Anal. Chem. - 2012. - Vol. 84, Is. 7. - P3119-3124, DOI 10.1021/ac300444w. - Cited References: 10. - This work was supported in part by Grant No. 76 of the Russian Academy of Sciences, Siberian Branch and by the Program of the Government of Russian Federation "Measures to attract leading scientists to Russian educational institutions" (Grant No 11. G34.31.058). . - ISSN 0003-2700

РУБ Chemistry, Analytical
Рубрики:
PHOTOPROTEIN OBELIN
   POLYETHYLENE-GLYCOL
   MACROPROLACTINEMIA
   PRECIPITATION
   VALIDATION
Аннотация: Novel dual-analyte single-well bioluminescence immunoassay (BLIA) for total and IgG-bound prolactins was developed on the base of Ca2+-regulated photoprotein obelin mutants with altered color and kinetics of bioluminescence signal as reporters. The mutants W92F-H22E and Y138F were chemically conjugated with monoclonal mouse anti-hPRL and anti-hIgG immunoglobulins and thus displayed signals from total prolactin and IgG-bounded prolactin (macroprolactin) correspondingly. Bioluminescence of the reporters was simultaneously triggered by a single injection of Ca2+ solution and discriminated via bioluminescent signal spectral and time resolution. The developed microplate-based immunoassay allows detection of two prolactin forms in crude serum without additional manipulations (e.g., gel chromatography or PEG-precipitation). Total prolactin bioluminescence immunoassay in standard, control, and clinical sera offers high sensitivity and reproducibility. The BLIA results show good correlation with those obtained by RIA and immunoassay after gel chromatography.

Держатели документа:
[Kudryavtsev, Alexander N.
Krasitskaya, Vasilisa V.
Frank, Ludmila A.] Russian Acad Sci, Inst Biophys, Photobiol Lab, Siberian Branch, Krasnoyarsk 660036, Russia
[Kudryavtsev, Alexander N.
Krasitskaya, Vasilisa V.
Frank, Ludmila A.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
[Petunin, Alexei I.] DIAS Ltd, Krasnoyarsk 660036, Russia
[Burakov, Andrey Y.] Krasnoyarsk Reg Hosp 1, Krasnoyarsk 660022, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Kudryavtsev, A.N.; Krasitskaya, V.V.; Petunin, A.I.; Burakov, A.Y.; Frank, L.A.

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Physicochemical conditions of seasonal carbonate precipitation in Shira lake (Khakasia) / G. A. Tret'Yakov [et al.] // Doklady Earth Sciences. - 2012. - Vol. 446, Is. 1. - P1099-1101, DOI 10.1134/S1028334X12090152 . - ISSN 1028-334X
Кл.слова (ненормированные):
carbonate sediment -- lacustrine deposit -- physicochemical property -- precipitation (chemistry) -- Khakassia -- Lake Shira -- Russian Federation

Scopus
Держатели документа:
Sobolev Institute of Geology and Mineralogy, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russian Federation
Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Tret'Yakov, G.A.; Kalugin, I.A.; Dar'In, A.V.; Rogozin, D.Yu.; Degermendzhi, A.G.

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Seasonal and centennial cycles of carbonate mineralisation during the past 2500 years from varved sediment in Lake Shira, South Siberia / I. Kalugin [et al.] // Quaternary International. - 2013. - Vol. 290-291. - P245-252, DOI 10.1016/j.quaint.2012.09.016 . - ISSN 1040-6182
Кл.слова (ненормированные):
biochemistry -- carbonate -- environmental factor -- lacustrine deposit -- mineralization -- paleoenvironment -- pH -- salinity -- sediment chemistry -- temperature effect -- varve -- Khakassia -- Lake Shira -- Russian Federation -- Siberia
Аннотация: Shira Lake is a good representative object for detail weather-climate modeling due to its local hydroclimatic information and annually laminated bottom sediments. Carbonate biochemical mineralization in Shira Lake shows not only seasonal but also centennial pulses over each 450-500 years. An age-depth model has been built by layer counting combined with 137Cs and 14C isotopic dates. Thermodynamic estimation of the rock-water multisystem in conformity with local conditions and source matter provides grounds for interpretation of measured geochemical parameters in sediments including environmental indicators such as temperature, salinity, and pH. Scanning X-ray fluorescence for sub-millimeter microstratigraphic study of varves connects geochemical oscillations of microelement content (Rb, Ti, Ca, Sr, Br, XRD) with seasonality, as well as revealing centennial pulses of environmental change. Quantitative environmental reconstruction using multiple regression for precipitation calibrated by hydrometeorological time series year by year was carried out for the lake over the last 2500 years. В© 2012 Elsevier Ltd and INQUA.

Scopus
Держатели документа:
Siberian Branch of Russian Academy of Science, Institute of Geology and Mineralogy, Prospekt akademika Koptyuga 3, 630090 Novosibirsk, Russian Federation
Institute of Biophysics, Siberian Branch of Russian Academy of Science, Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Kalugin, I.; Darin, A.; Rogozin, D.; Tretyakov, G.

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Tracing the North Atlantic decadal-scale climate variability in a late Holocene pollen record from southern Siberia / S. Hildebrandt [et al.] // Palaeogeogr. Palaeoclimatol. Palaeoecol. - 2015. - Vol. 426. - P75-84, DOI 10.1016/j.palaeo.2015.02.037 . - ISSN 0031-0182
Кл.слова (ненормированные):
Atlantic Multidecadal Oscillation -- Human impact -- Lake level -- Late Holocene -- Non-pollen palynomorphs -- Pollen -- Siberia
Аннотация: This paper presents a new palynological record from a 146. cm long finely laminated sediment core obtained in 2009 from the deep-water meromictic Lake Shira (54°30'38'N, 90°12''09'E; ca. 353. m. a.s.l.) situated in the Khakassian steppe region of southern Siberia between the rivers Ob' and Yenisei. The area is rich in lakes and represents an exceptionally well preserved sequence of Bronze and Iron Age archeological cultures. Little is known about the changes in vegetation and climate of the region during the Holocene. The palynological analysis of the core allows us to partly fill up this gap in current knowledge. The record of pollen and non-pollen palynomorphs presented here covers the past 2450. year interval with an average resolution of 22. years. The results obtained support the interpretation that the late Holocene vegetation changes around Lake Shira are mainly associated with large-scale atmospheric circulation processes controlling the regional water balance rather than with human activities. An attempt to trace human impact in the pollen assemblages provides no clear evidence for anthropogenic activity, except for the last few decades since ca. 1955, though the region has a long history of mobile pastoralists. For explanation of decadal-scale changes in the regional vegetation cover, the Artemisia/Chenopodiaceae (A/C) pollen ratio proved to be a reliable indicator of effective moisture availability. Using available fossil and published instrumental data our study suggests a link between the North Atlantic warmer/colder temperatures and higher/lower atmospheric precipitation (or moisture availability) in southern Siberia at multi-decadal to centennial scales. © 2015 Elsevier B.V.

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Держатели документа:
Institute of Geological Sciences, Palaeontology, Free University Berlin, Malteserstra?e 74-100, Building DBerlin, Germany
Siberian Branch of Russian Academy of Sciences, Institute of Geology and Mineralogy, Prospekt akademika Koptyuga 3Novosibirsk, Russian Federation
Eurasia Department/Beijing Branch Office, German Archaeological Institute, Im Dol 2-6Berlin, Germany
Siberian Branch of Russian Academy of Sciences, Institute of Biophysics, Akademgorodok 50, str. 50Krasnoyarsk, Russian Federation
ИБФ СО РАН

Доп.точки доступа:
Hildebrandt, S.; Muller, S.; Kalugin, I.A.; Dar'in, A.V.; Wagner, M.; Rogozin, D.Y.; Tarasov, P.E.

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Diverse impacts of semiaquatic bird colonies on biochemical composition of seston, plankton, and fish fry in a plain reservoir / A. V. Krylov [и др.] // Zhurnal Obshchei Biol. - 2018. - Vol. 79, Is. 6. - С. 449-460, DOI 10.1134/S0044459618060052. - Cited References:47 . - ISSN 0044-4596

РУБ Biology
Рубрики:
FATTY-ACID-COMPOSITION
   GROWTH
   ZOOPLANKTON
   ECOSYSTEMS
   NITROGEN
Аннотация: Diverse, multidirectional changes in biochemical composition of seston, plankton, and fish fry are detected in the coastal zone of a plain reservoir in the vicinity of a semiaquatic bird colony during vegetation season with extra high water level. Under these conditions, specific patterns of phyto- and zooplankton structure and quantitative characteristics, that, as was found out earlier, result from the vital activity of birds belonging to the family Ardeidae (namely, raising the share of mixotrophic phytoflagellates and copepods in plankton species composition) are leveled out. The main role in this process belongs to decomposition of immersed vegetation in the coastal zone, development of littoral macrophytes, and trophic relationships between algae and invertebrates. However, increase in atmospheric precipitation leads to increase in copepods abundance, which seems to be related to fast and intensive inflow of nitrogen-rich products of birds' vital activity. Due to this, during the whole period of observations, the following tendencies are revealed in biochemical composition of seston, plankton, and fish fry in the vicinity of the bird colony: 1) concentrations of carbon, nitrogen, and phosphorus and their ratios turn out to be auspicious for predominance of diatoms and mixotrophic phytoflagellates, rich in docosahexaenoic acid (DSA); 2) the abundance of phytoplankton, rich in polyunsaturated essential fatty acids (PEFA), favors propagation of those planktonic crustaceans which contain significantly more DSA and are more valuable food items for fish; 3) predominance of zooplankters, rich in PEFA, leads to higher concentration of PEFA in fry fish tissues, which, in certain periods, turns out to be advantageous for successful development and growth of dominant species of fish fry,such as roach, bream, white bream, and perch, by comparison with the test site.

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Держатели документа:
RAS, Papanin Inst Biol Inland Waters, Borok 152742, Yaroslavl Regio, Russia.
SD RAS, Krasnoyarsk Sci Ctr, Fed Res Ctr, Inst Biophys, Academgorodok 50,Bldg 50, Krasnoyarsk 660036, Russia.
Syberian Fed Univ, Svobodny Prosp 79, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Krylov, A., V; Makhutova, N.; Sakharova, E. G.; Sushchik, N. N.; Pavlov, D. D.; Kolmakova, A. A.; Stolbunov, I. A.; Gladyshev, M., I; Sakharova, Ekaterina

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Meromixis and Seasonal Dynamics of Vertical Structure of Lake Uchum (South Siberia) / D. Y. Rogozin [et al.] // Contemp. Probl. Ecol. - 2018. - Vol. 11, Is. 2. - P195-206, DOI 10.1134/S1995425518020117. - Cited References:43. - This study was supported by the Russian Foundation for Basic Research (project no. 16-05-00091) and by partial support from the Council for Grants of the President of the Russian Federation on governmental support of leading scientific schools (grant NSh-9249.2016.5). . - ISSN 1995-4255. - ISSN 1995-4263

РУБ Ecology
Рубрики:
PHOTOTROPHIC SULFUR BACTERIA
SALINE MEROMICTIC LAKES
SHUNET KHAKASSIA
Кл.слова (ненормированные):
meromixis -- hydrogen sulfide -- stratification -- salt lake -- phototrophic -- sulfur bacteria -- phytoplankton -- zooplankton -- bottom sediments
Аннотация: The seasonal dynamics of the vertical structure of small saline Lake Uchum, located in the steppe arid zone of the south of Siberia (Krasnoyarsk krai), has been studied in detail for the first time. This lake is a meromictic water body. We have revealed a heterogeneous vertical distribution of plankton organisms and a dense population of purple sulfuric bacteria in the redox zone. The taxonomic composition and seasonal dynamics of phyto- and zooplankton are described. Presumably, the meromixis of Lake Uchum is due to the inflow of fresh water to the surface of the saline water body during the rise of its level in the early 20th century, similarly to lakes Shira and Shunet located nearby. The processes of salt displacement into the solution during the formation of ice, as well as the precipitation of salts in the winter, also contribute to the maintenance of permanent stratification. The information on the current state of the lake can be useful for reconstructing the climate by bottom sediments, as well as for creating a model of water quality and investigating the therapeutic properties of lake mud.

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Scopus
Держатели документа:
Russian Acad Sci, Inst Biophys, Siberian Div, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Rogozin, D. Y.; Zykov, V. V.; Ivanova, E. A.; Anufrieva, T. N.; Barkhatov, Y. V.; Khromechek, E. B.; Botvich, I. Y.; Russian Foundation for Basic Research [16-05-00091]; Council for Grants of the President of the Russian Federation [NSh-9249.2016.5]

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Transformation of soil and land resources of the Middle Siberia in the conditions of climatic changes / A. A. Shpedt, N. A. Ligaeva, D. V. Emelyanov // IOP Conference Series: Earth and Environmental Science : Institute of Physics Publishing, 2019. - Vol. 315: International Scientific Conference on Agribusiness, Environmental Engineering and Biotechnologies, AGRITECH 2019 (20 June 2019 through 22 June 2019, ) Conference code: 152072, Is. 5. - Ст. 052051, DOI 10.1088/1755-1315/315/5/052051
Кл.слова (ненормированные):
Biotechnology -- Cultivation -- Environmental technology -- Natural resources -- Annual mean -- Climatic changes -- Land resources -- Linear trends -- SIBERIA -- Soil cover -- Soil property -- Soils
Аннотация: The paper describes the fields of transformation of soil and land resources of the Middle Siberia as the result of long-term climatic changes. The description of soil and land resources is given. The climatic changes have been evaluated for the period from 1919 to 2018, and increase of the annual mean air temperature and amount of precipitation in natural zones of the region has been established on the basis of the analysis of linear trends. Under the impact of these factors, shifting of zone borders occurs, which leads to replacement of the soil cover structure at the species, generic and subtype levels. Changing regimes and soil properties cause the necessity to use new sorts and adapted technologies for crop growing. © 2019 IOP Publishing Ltd. All rights reserved.

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Держатели документа:
Krasnoyarsk Research Institute of Agriculture SB RAS, Federal Research Center Krasnoyarsk Science Center SB RAS, 66 Svobodny Av, Krasnoyarsk, 660037, Russian Federation
Siberian Federal University, 79 Svobodny avenue, Krasnoyarsk, 660041, Russian Federation
Institute of Biophysics SB RAS, Federal Research Center Krasnoyarsk Science Center SB RAS, Krasnoyarsk 660036, Akademgorodok, Russian Federation

Доп.точки доступа:
Shpedt, A. A.; Ligaeva, N. A.; Emelyanov, D. V.

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The Restoration Dynamics of Fallow Vegetation in the Steppe Zone of the Khakassia Republic Based on Terrain and Satellite Data / I. Y. Botvich, T. M. Zorkina // Biophysics. - 2019. - Vol. 64, Is. 2. - P309-315, DOI 10.1134/S0006350919020039 . - ISSN 0006-3509
Кл.слова (ненормированные):
fallow lands -- long-term variability (structure -- MODIS -- NDVI -- phytomass) -- projective cover -- restoration of natural vegetation -- satellite and terrain research methods
Аннотация: Abstract: The dynamics and specific features of the restoration of forbs–grass–wormwood and wormwood–grass phytocoenoses on fallow lands in the Altai region, the Republic of Khakassia, were determined on the basis of terrain and satellite data. The species composition, structure, and phytomass of the phytocoenoses were revealed. A gradual formation of structural elements of steppe communities in the studied areas was determined. This work showed the usefulness of time series of satellite data on the NDVI (Normalized Difference Vegetation Index) obtained with the use of MODIS (Moderate Resolution Imaging Spectroradiometer) for the study of specific features of restored fallows. In general the biological parameters, projective cover, and phytomass determine the value of the NDVI. Interannual NDVI variability reflects the rate and time period of fallow restoration. From a certain point, the parameters increased and became close to the steppe (control variant). It has been revealed that not only abiotic factors (climate and soils), but also biotic parameters (grazing and recreational load) affect the NDVI. In this connection, the duration of restoration stages does not always correspond to the published data. They vary under different conditions. Climatic data of the Abakan meteorological station (index 29862 in the network of the World Meteorological Organization) for the period from 2000 to 2017 were statistically treated. The long-term annual average norms of temperatures and precipitation amounts (year and month) for the World Meteorological Organization base period of 1961–1990 were calculated. The dynamics of the temperature and precipitation, using long-term series of data, has been analyzed. © 2019, Pleiades Publishing, Inc.

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Держатели документа:
Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, Division of Federal Research Center Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Cherepnin Herbarium, Astaf’ev Krasnoyarsk State Pedagogical University, Krasnoyarsk, 660049, Russian Federation

Доп.точки доступа:
Botvich, I. Y.; Zorkina, T. M.

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10.

Biogeographic patterns of planktonic and meiobenthic fauna diversity in inland waters of the Russian Arctic / E. Fefilova, O. Dubovskaya, L. Frolova [et al.] // Freshw. Biol. - 2020, DOI 10.1111/fwb.13624. - Cited References:63. - We would like to thank A. Kotov, N. Korovchinsky, A. Sinev, E. Bekker, N. Smirnov (all from Severtsov Institute of Ecology and Evolution of RAS) for their assistance in Cladocera identification. We are very grateful to Jennifer Lento (University of New Brunswick, Canada) for helping us obtain elevation, temperature, and precipitation data from World Climate and ArcticDEM (NGA-NSF). We are also grateful to Willem Goedkoop for helpful comments on an earlier version of the manuscript. The study was performed in part as Federal Tasks of Department of Animals Ecology of the Institute of Biology of Komi Science Centre of the Ural Branch of the Russian Academy of Sciences (AAAA-A17-117112850235-2), and also of Institute of Biophysics of Federal Research Center "Krasnoyarsk Science Center" of Siberian Branch of Russian Academy of Sciences (project No. 51.1.1) and the Siberian Federal University (project No. FSRZ-2020-0006). 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" (Trofimuk Institute of Petroleum-Gas, Geology and Geophysics SB RAS, Novosibirsk). We are grateful to three anonymous reviewers, Guest Editor, Dr Joseph Culp, and the Chief Editor, Prof. Belinda Robson for their useful comments to improve the manuscript. . - Article in press. - ISSN 0046-5070. - ISSN 1365-2427

РУБ Ecology + Marine & Freshwater Biology
Рубрики:
GLOBAL DIVERSITY
   CRUSTACEAN ZOOPLANKTON
   CLADOCERA
   ANOMOPODA
Кл.слова (ненормированные):
cladocerans -- copepods -- rotifers -- spatial and temporal trends -- species -- richness
Аннотация: Broad-scale assessment of biodiversity is needed for detection of future changes across substantial regions of the Arctic. Presently, there are large data and information gaps in species composition and richness of the freshwater planktonic and meiobenthos communities of the Russian Arctic. Analysis of these data is very important for identifying the spatial distribution and temporal changes in species richness and diversity of rotifers, cladocerans, and copepods in the continental Russian Arctic. We investigated biogeographic patterns of freshwater plankton and meiobenthos fromc. 67 degrees to 73 degrees N by analysing data over the period 1960-2017. These data include information on the composition of rotifers, cladocerans, and copepods obtained from planktonic and meiobenthic samples, as well as from subfossil remains in bottom sediments of seven regions from the Kola Peninsula in the west, to the Indigirka River Basin (east Siberia) in the east. Total richness included 175 species comprised of 49 rotifer genera, 81 species from 40 cladoceran genera, and 101 species from 42 genera of calanoid, cyclopoid, and harpacticoid copepods. Longitudinal trends in rotifer and micro-crustacean diversity were revealed by change in species composition from Europe to eastern Siberia. The most common and widespread species were 19 ubiquitous taxa that includedKellicottia longispina(Rotifera),Chydorus sphaericuss. lat. (Cladocera),Heterocope borealis,Acanthocyclops vernalis, andMoraria duthiei(Copepoda). The highest number of rare species was recorded in the well-studied region of the Bolshezemelskaya tundra and in the Putorana Plateau. The total number of copepod and rotifer species in both Arctic lakes and ponds tended to increase with latitude. Relative species richness of copepods was positively associated with waterbody area, elevation, and precipitation, while relative species richness of cladocerans was positively related to temperature. This result is consistent with known thermophilic characteristics of cladocerans and the cold tolerance properties of copepods, with the former being dominant in shallow, warmer waterbodies of some western regions, and the latter being dominant in large cold lakes and waterbodies of eastern regions. Rotifers showed a negative association with these factors. Alpha- and beta-diversity of zooplankton in the Russian Arctic were strongly related to waterbody type. Lake zooplankton communities were more diverse than those in pond and pool systems. Moreover, the highest beta-diversity values were observed in regions that showed a greater breadth in latitude and highly heterogeneous environmental conditions and waterbody types (Bolshezemelskaya tundra and Putorana Plateau). Redistribution of freshwater micro-fauna caused by human activities occurred in the 1990s and 2000s. As a result of climate warming, a few cladoceran species appear to have extended their range northward. Nevertheless, the rotifer and micro-crustacean fauna composition and diversity of the majority of Arctic regions generally remain temporally conservative, and spatial differences in composition and species richness are chiefly associated with the differences between the warmer European and colder east Siberian climates.

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Держатели документа:
Russian Acad Sci, Inst Biol, Komi Sci Ctr, Ural Branch, Kommunisticheskaya 28, Syktyvkar 167982, Russia.
Russian Acad Sci, Inst Biophys, Fed Res Ctr, Krasnoyarsk Sci Ctr,Siberian Branch, Krasnoyarsk, Russia.
Siberian Fed Univ, Krasnoyarsk, Russia.
Kazan Fed Univ, Inst Geol & Petr Technol, Kazan, Russia.
Lena Delta Nat Reserve, Tiksi, Sakha Republic, Russia.
Univ Helsinki, Finnish Nat Hist Museum LUOMUS, Helsinki, Finland.

Доп.точки доступа:
Fefilova, Elena; Dubovskaya, Olga; Frolova, Larisa; Abramova, Ekaterina; Kononova, Olga; Nigamatzyanova, Gulnara; Zuev, Ivan; Kochanova, Elena; Federal Tasks of Department of Animals Ecology of the Institute of Biology of Komi Science Centre of the Ural Branch of the Russian Academy of Sciences [AAAA-A17-117112850235-2]; Institute of Biophysics of Federal Research Center "Krasnoyarsk Science Center" of Siberian Branch of Russian Academy of Sciences [51.1.1]; Siberian Federal University [FSRZ-2020-0006]

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11.

Biogeographic patterns of planktonic and meiobenthic fauna diversity in inland waters of the Russian Arctic / E. Fefilova, O. Dubovskaya, L. Frolova [et al.] // Freshw. Biol. - 2020, DOI 10.1111/fwb.13624 . - Article in press. - ISSN 0046-5070
Кл.слова (ненормированные):
cladocerans -- copepods -- rotifers -- spatial and temporal trends -- species richness
Аннотация: Broad-scale assessment of biodiversity is needed for detection of future changes across substantial regions of the Arctic. Presently, there are large data and information gaps in species composition and richness of the freshwater planktonic and meiobenthos communities of the Russian Arctic. Analysis of these data is very important for identifying the spatial distribution and temporal changes in species richness and diversity of rotifers, cladocerans, and copepods in the continental Russian Arctic. We investigated biogeographic patterns of freshwater plankton and meiobenthos from c. 67° to 73°N by analysing data over the period 1960–2017. These data include information on the composition of rotifers, cladocerans, and copepods obtained from planktonic and meiobenthic samples, as well as from subfossil remains in bottom sediments of seven regions from the Kola Peninsula in the west, to the Indigirka River Basin (east Siberia) in the east. Total richness included 175 species comprised of 49 rotifer genera, 81 species from 40 cladoceran genera, and 101 species from 42 genera of calanoid, cyclopoid, and harpacticoid copepods. Longitudinal trends in rotifer and micro-crustacean diversity were revealed by change in species composition from Europe to eastern Siberia. The most common and widespread species were 19 ubiquitous taxa that included Kellicottia longispina (Rotifera), Chydorus sphaericus s. lat. (Cladocera), Heterocope borealis, Acanthocyclops vernalis, and Moraria duthiei (Copepoda). The highest number of rare species was recorded in the well-studied region of the Bolshezemelskaya tundra and in the Putorana Plateau. The total number of copepod and rotifer species in both Arctic lakes and ponds tended to increase with latitude. Relative species richness of copepods was positively associated with waterbody area, elevation, and precipitation, while relative species richness of cladocerans was positively related to temperature. This result is consistent with known thermophilic characteristics of cladocerans and the cold tolerance properties of copepods, with the former being dominant in shallow, warmer waterbodies of some western regions, and the latter being dominant in large cold lakes and waterbodies of eastern regions. Rotifers showed a negative association with these factors. Alpha- and ?-diversity of zooplankton in the Russian Arctic were strongly related to waterbody type. Lake zooplankton communities were more diverse than those in pond and pool systems. Moreover, the highest ?-diversity values were observed in regions that showed a greater breadth in latitude and highly heterogeneous environmental conditions and waterbody types (Bolshezemelskaya tundra and Putorana Plateau). Redistribution of freshwater micro-fauna caused by human activities occurred in the 1990s and 2000s. As a result of climate warming, a few cladoceran species appear to have extended their range northward. Nevertheless, the rotifer and micro-crustacean fauna composition and diversity of the majority of Arctic regions generally remain temporally conservative, and spatial differences in composition and species richness are chiefly associated with the differences between the warmer European and colder east Siberian climates. © 2020 John Wiley & Sons Ltd.

Scopus
Держатели документа:
Institute of Biology of Komi Science Centre of the Ural Branch of the Russian Academy of Sciences, Syktyvkar, Russian Federation
Institute of Biophysics of Federal Research Center “Krasnoyarsk Science Center” of Siberian Branch of Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Institute of Geology and Petroleum Technologies, Kazan Federal University, Kazan, Russian Federation
Lena Delta Nature Reserve, Tiksi, Sakha Republic, Russian Federation
Finnish Natural History Museum LUOMUS University of Helsinki, Helsinki, Finland

Доп.точки доступа:
Fefilova, E.; Dubovskaya, O.; Frolova, L.; Abramova, E.; Kononova, O.; Nigamatzyanova, G.; Zuev, I.; Kochanova, E.

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12.

Long-Term Dynamics of NDVI-Vegetation for Different Classes of Tundra Depending on the Temperature and Precipitation / A. G. Degermendzhi, G. S. Vysotskaya, L. A. Somova [et al.] // Dokl. Earth Sci. - 2020. - Vol. 493, Is. 2. - P658-660, DOI 10.1134/S1028334X20080048. - Cited References:10 . - ISSN 1028-334X. - ISSN 1531-8354

РУБ Geosciences, Multidisciplinary

Кл.слова (ненормированные):
tundra -- Holdridge -- vegetation -- biotemperature -- precipitation -- NDVI
Аннотация: The tundra was divided into different classes depending on the temperature and precipitation in accordance with the Holdridge classification. Dry, moist, wet, and rainy tundras were distinguished. Datasets on climate variability were obtained from the Climatic Research Unit website () for the period from 2001 to 2017. The long-term (2001-2016) dynamics of phytomass for different tundra classes was studied on the basis of the Normalized Differential Vegetation Index (NDVI). The positive long-term dynamics of NDVI-vegetation for the tundra classes studied was revealed. This trend correlates with the positive dynamics of the mean annual biotemperature. It was shown that the impact of global climate change on vegetation of different tundra classes is ambiguous. For the dry tundra, the increase in NDVI in May and June was higher than for the rainy tundra. This correlates with the fact that the increase in the mean monthly temperatures in May and June on the territory of the dry tundra is greater than on the territory of the rainy tundra.

WOS
Держатели документа:
Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Degermendzhi, A. G.; Vysotskaya, G. S.; Somova, L. A.; Pisman, T. I.; Shevyrnogov, A. P.

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13.

Winter atmospheric nutrient and pollutant deposition on Western Sayan Mountain lakes (Siberia) / DQD Diaz, A. V. Ageev, E. A. Ivanova, O. V. Anishchenko // Biogeosciences. - 2021. - Vol. 18, Is. 5. - P1601-1618, DOI 10.5194/bg-18-1601-2021. - Cited References:86. - This research has been supported by the Russian Foundation for Basic Research (grant no. 20-04-00960) and the Ministry of Science and Higher Education of the Russian Federation (postdoctoral program project no. 5-100, grant no. FSRZ-2020-0014). . - ISSN 1726-4170. - ISSN 1726-4189

РУБ Ecology + Geosciences, Multidisciplinary
Рубрики:
FLY-ASH PARTICLES
NITROGEN DEPOSITION
PHOSPHORUS DEPOSITION
Аннотация: The world map of anthropogenic atmospheric nitrogen deposition and its effects on natural ecosystems is not described with equal precision everywhere. In this paper, we report atmospheric nutrient, sulfate and spheroidal carbonaceous particle (SCP) deposition rates, based on snowpack analyses of a formerly unexplored Siberian mountain region. Then, we discuss their potential effects on lake phytoplankton biomass limitation. We estimate that the nutrient depositions observed in the late-season snowpack (40 +/- 16 mgNO(3)-Nm(-2) and 0.58 +/- 0.13 mg TP-Pm-2; TP for total phosphorous) would correspond to yearly depositions lower than 119 +/- 71 mgNO(3)-Nm(-2) yr(-1) and higher than 1.71 +/- 0.91 mg TP-Pm-2 yr(-1). These yearly deposition estimates would approximately fit the predictions of global deposition models and correspond to the very low nutrient deposition range, although they are still higher than world background values. In spite of the fact that such a low atmospheric nitrogen deposition rate would be enough to induce nitrogen limitation in unproductive mountain lakes, phosphorus deposition was also extremely low, and the resulting lake water N: P ratio was unaffected by atmospheric nutrient deposition. In the end, the studied lakes' phytoplankton appeared to be split between phosphorus and nitrogen limitation. We conclude that these pristine lakes are fragile sensitive systems exposed to the predicted climate warming, increased winter precipitation, enhanced forest fires and shifts in anthropogenic nitrogen emissions that could finally couple their water chemistry to that of atmospheric nutrient deposition and unlock temperature-inhibited responses of phytoplankton to nutrient shifts.

WOS
Держатели документа:
Siberian Fed Univ, 79 Svobondyi Prospekt, Krasnoyarsk 660041, Krasnoyarsk Kra, Russia.
Russian Acad Sci, Siberian Branch, Inst Biophys, 50-50 Akademgorodok, Krasnoyarsk 660041, Krasnoyarsk Kra, Russia.

Доп.точки доступа:
Diaz, A. V.; Ageev, Aleksander Vladimirovich; Ivanova, Elena Anatolevna; Anishchenko, Olesia Valerevna; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [20-04-00960]; Ministry of Science and Higher Education of the Russian Federation [5-100, FSRZ-2020-0014]

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14.

15.

Winter atmospheric nutrient and pollutant deposition on Western Sayan Mountain lakes (Siberia) / D. Diaz-De-Quijano, A. Vladimirovich Ageev, E. Anatolevna Ivanova, O. Valerevna Anishchenko // Biogeosciences. - 2021. - Vol. 18, Is. 5. - P1601-1618, DOI 10.5194/bg-18-1601-2021 . - ISSN 1726-4170
Аннотация: The world map of anthropogenic atmospheric nitrogen deposition and its effects on natural ecosystems is not described with equal precision everywhere. In this paper, we report atmospheric nutrient, sulfate and spheroidal carbonaceous particle (SCP) deposition rates, based on snowpack analyses of a formerly unexplored Siberian mountain region. Then, we discuss their potential effects on lake phytoplankton biomass limitation. We estimate that the nutrient depositions observed in the late-season snowpack (4016 mgNO3-Nm2 and 0.580.13 mg TP-Pm2; TP for total phosphorous) would correspond to yearly depositions lower than 11971 mgNO3-Nm2 yr1 and higher than 1.710.91 mg TP-Pm2 yr1. These yearly deposition estimates would approximately fit the predictions of global deposition models and correspond to the very low nutrient deposition range, although they are still higher than world background values. In spite of the fact that such a low atmospheric nitrogen deposition rate would be enough to induce nitrogen limitation in unproductive mountain lakes, phosphorus deposition was also extremely low, and the resulting lake water N: P ratio was unaffected by atmospheric nutrient deposition. In the end, the studied lakes' phytoplankton appeared to be split between phosphorus and nitrogen limitation. We conclude that these pristine lakes are fragile sensitive systems exposed to the predicted climate warming, increased winter precipitation, enhanced forest fires and shifts in anthropogenic nitrogen emissions that could finally couple their water chemistry to that of atmospheric nutrient deposition and unlock temperature-inhibited responses of phytoplankton to nutrient shifts. © Author(s) 2021. This work is distributed under the Creative Commons Attribution 4.0 License.

Scopus
Держатели документа:
Siberian Federal University, 79, Svobondyi prospekt, Krasnoyarsk, Krasnoyarsk Krai, 660041, Russian Federation
Institute of Biophysics, Siberian Branch Russian Academy of Sciences, 50/50, Akademgorodok, Krasnoyarsk, Krasnoyarsk Krai, 660036, Russian Federation

Доп.точки доступа:
Diaz-De-Quijano, D.; Vladimirovich Ageev, A.; Anatolevna Ivanova, E.; Valerevna Anishchenko, O.

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