Труды сотрудников ИЛ им. В.Н. Сукачева СО РАН

: материалы временных коллективов / M. M. Naurzbaev, V. V. Shishov // Workshop on climate change, the tree growth response, and reconstruction of climate 25-29 January 2006, V.N. Sukachev Institute of Forest SB RAS, Krasnoyarsk, Russia. - Krasnoyarsk : V.N. Sukachev Institute of Forest SB RAS, 2006. - С. 24-25
Аннотация: In this work tree cores of Siberian Larch (Larix Sibirica) from the Altai mountains, Russia were used. We assume that the distribution of chemical elements within the tree-rings is the same as the distribution found in the local environment of the tree. The main goal of this work is to recover a year-to-year biochemical, geochemical and climatic history of a tree's local environment.

Держатели документа:
Институт леса им. В.Н. Сукачева Сибирского отделения Российской академии наук : 660036, Красноярск, Академгородок 50/28

Доп.точки доступа:
Shishov, Vladimir Valer'yevich; Шишов, Владимир Валерьевич; Наурзбаев, Мухтар Мухаметович

[Text] / E. L. Goldberg [et al.] // Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. - 2007. - Vol. 575: 16th International Synchrotron Radiation Conference (SR-2006) (JUL 10-14, 2006, Novosibirsk, RUSSIA), Is. 01.02.2013. - P196-198, DOI 10.1016/j.nima.2007.01.066. - Cited References: 4 . - 3. - ISSN 0168-9002РУБ Instruments & Instrumentation + Nuclear Science & Technology + Physics, Particles & Fields + Spectroscopy

Аннотация: High-resolution scanning with Synchrotron Radiation X-ray Fluorescence Analysis (SRXFA) was applied to investigate element distributions in tree rings. Two cores of Siberia Larch have been investigated with resolution 100-200 mkm. Two groups of elements in tree rings with different trends have been found. The members of the first group are Br, Zn, Cl, whose trends correlate with each other. Moreover, trends of Br, Zn, Cl in tree rings are similar to the trend of atmosphere precipitation in the region investigated. Other group of elements are represented by K, Ca, Sr, Mn, Fe, but their trends differ sufficiently from trend of elements of the first group. Extended fixation of elements in tree rings is observed for elements of the first group over the whole interval investigated (150 years). In contrast, elements of the second group mainly accumulate in external part of tree stem. (c) 2007 Elsevier B.V. All rights reserved.

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Держатели документа:
SB RAS, Limnol Inst, Irkutsk 664033, Russia
SB RAS, Budker Inst Nucl Phys, Novosibirsk 630090, Russia
SB RAS, Sukachev Inst Forest, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Goldberg, E.L.; Zolotarev, K.B.; Maksimovskaya, V.V.; Kondratyev, V.I.; Ovchinnikov, D.V.; Naurzbaev, M.M.

[Text] / A. . Kirdyanov [et al.] // Trees-Struct. Funct. - 2003. - Vol. 17, Is. 1. - P61-69, DOI 10.1007/s00468-002-0209-z. - Cited References: 51 . - 9. - ISSN 0931-1890РУБ Forestry

Аннотация: Wood material for at least 12 larch trees at six sites [Larix sibirica Ldb, Larix gmelinii (Rupr.) Rupr, Larix cajanderi Mayr] near the northern timberline in Siberia was analyzed to investigate influence of climatic factor changes on tree-ring growth at high latitudes. Tree-ring cell size, maximum latewood density and ring width measured by means of image analysis and X-ray radiodensitometry and calculated latewood cell-wall thickness were used. Correlation analysis of tree-ring structure parameter chronologies with temperatures averaged over periods of 5 days (pentad) shows that early summer temperature (mean for 5-6 pentads, depending on the region, starting from the middle of June) and date of snow melt are the most important factors that define seasonal growth and tree-ring structure. Analysis of instrumental climatic data indicates that a positive trend of early summer temperature was combined with winter precipitation (October-April) increase and this combination leads to later snow melt. Based of the results of tree-ring growth modelling, it was shown that later snow melt (hence, delayed initiation of cambial activity and, as a result, decrease of wood production) explains the changes in the relationship between tree ring width and summer temperature dynamics observed after the 1960s for a large area of the Siberian Subarctic. The understanding of the role of winter precipitation in controlling ring growth, through its effect on the timing of cambial activation, suggests the possibility of using ring structure parameters to create reconstructions of past winter precipitation variations.

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Держатели документа:
RAS, SB, VN Sukachev Inst Forest, Krasnoyarsk 660036, Russia
Univ Arizona, Tree Ring Res Lab, Tucson, AZ 85721 USA
Swiss Fed Inst Forest Snow & Landscape Res, CH-8903 Birmensdorf, Switzerland

Доп.точки доступа:
Kirdyanov, A...; Hughes, M...; Vaganov, E...; Schweingruber, F...; Silkin, P...

[Text] / V. V. Tarakanov [et al.] // J. Surf. Ingestig.-X-Ray Synchro. - 2011. - Vol. 5: 18th International Conference on the Application of Synchrotron Radiation (SR) (2010, Novosibirsk, RUSSIA), Is. 6. - P1091-1097, DOI 10.1134/S102745101111019X. - Cited References: 13 . - 7. - ISSN 1027-4510РУБ Nanoscience & Nanotechnology + Physics, Applied + Physics, Condensed Matter

Аннотация: In the long-term (30 years) field provenance experiment (Novosibirsk, Russia) with Scotch pine Pinus sylvestris L. from different geographical populations, X-ray fluorescence analysis with synchrotron radiation (XRFSRA) was used to estimate the concentration of 16 chemical elements in different components of the phytomass collected from living trees and the soil under them. The statistically significant influence of the "geographical population" factor on the elemental composition of different components of phytomass and soil was shown. A relationship between chemical properties and morphometric traits was found.

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Держатели документа:
[Tarakanov, V. V.] Inst Forestry, Western Siberian Off, Novosibirsk, Russia
[Chankina, O. V.
Kutsenogy, K. P.] Russian Acad Sci, Siberian Branch, Inst Chem Kinet & Combust, Novosibirsk, Russia
[Naumova, N. B.
Makarikova, R. P.] Russian Acad Sci, Siberian Branch, Inst Soil Sci & Agrochem, Novosibirsk, Russia
[Milyutin, L. I.] Russian Acad Sci, Siberian Branch, Inst Forestry, Krasnoyarsk, Russia
[Rogovtsev, R. V.] Ctr Forest Protect, Novosibirsk, Russia
[Efimov, V. M.] Russian Acad Sci, Siberian Branch, Inst Cytol & Genet, Novosibirsk, Russia
[Efimov, V. M.] Tomsk VV Kuibyshev State Univ, Tomsk 634050, Russia

Доп.точки доступа:
Tarakanov, V.V.; Chankina, O.V.; Kutsenogy, K.P.; Naumova, N.B.; Makarikova, R.P.; Milyutin, L.I.; Rogovtsev, R.V.; Efimov, V.M.

[Text] / K. P. Kutsenogyi [et al.] // Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. - 2007. - Vol. 575: 16th International Synchrotron Radiation Conference (SR-2006) (JUL 10-14, 2006, Novosibirsk, RUSSIA), Is. 01.02.2013. - P214-217, DOI 10.1016/j.nima.2007.01.071. - Cited References: 9 . - 4. - ISSN 0168-9002РУБ Instruments & Instrumentation + Nuclear Science & Technology + Physics, Particles & Fields + Spectroscopy

Аннотация: The method of X-ray fluorescence analysis with synchrotron radiation was used to estimate soil and phytomass elemental composition in the long-term field experiments with clones and climatypes of Scots pine Pinus sylvestris L. in West Siberia. Overall from 15 to 21 chemical elements (Fe, Ca, K, Ti, Mn, Zr, Sr, Rb, Co, Cr, Zn, V, Y, Sc, Nb, Pb, Ga, Cu, Ni, As, Mo) were detected. The elemental composition of dried needles and needle ash were compared. The influence of genetic variability of Scots pine on some element concentration in the topsoil was revealed. The temporal dynamics of interclonal variability of elemental composition of pine needles was revealed. (c) 2007 Elsevier B.V. All rights reserved.

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Держатели документа:
Inst Forest, W Siberian Off, Novosibirsk 630082, Russia
SB RAS, Inst Chem Kinet & Combust, Novosibirsk 630090, Russia
SB RAS, Inst Soil Sci & Agrochem, Novosibirsk 630090, Russia
SB RAS, Inst Forest, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Kutsenogyi, K.P.; Makarikova, R.P.; Milyutin, L.I.; Naumova, N.B.; Tarakanov, V.V.; Chankina, O.V.

[Text] / N. S. Bufetov, K. P. Koutzenogii, E. N. Valendik // Nucl. Instrum. Methods Phys. Res. Sect. A-Accel. Spectrom. Dect. Assoc. Equip. - 2000. - Vol. 448: 12th National Synchrotron Radiation Conference (SR'98) (JUL 14-18, 1998, NOVOSIBIRSK, RUSSIA), Is. 01.02.2013. - P453-456, DOI 10.1016/S0168-9002(00)00235-7. - Cited References: 8 . - 4. - ISSN 0168-9002РУБ Instruments & Instrumentation + Nuclear Science & Technology + Physics, Particles & Fields + Spectroscopy

Аннотация: Composition of aerosols from large taiga forest fires was investigated using an X-ray fluorescence method that involves excitation of the characteristic spectrum by synchrotron radiation. Emissions were sampled directly from the convection column with the help of various instruments (including an impactor) mounted on a helicopter. We compared the results of the study with literature data. (C) 2000 Elsevier Science B.V. All rights reserved.

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Держатели документа:
Inst Termophys, Novosibirsk 630090, Russia
Inst Chem Kinet & Combust, Novosibirsk 630090, Russia
Inst Forest, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Bufetov, N.S.; Koutzenogii, K.P.; Valendik, E.N.

/ A. Darin [et al.] // 10th International Multidisciplinary Scientific Geoconference and EXPO - Modern Management of Mine Producing, Geology and Environmental Protection, SGEM 2010. - 2010. - Vol. 1: 10th International Multidisciplinary Scientific Geoconference and EXPO, SGEM 2010 (20 June 2010 through 26 June 2010, Varna) Conference code: 101583. - P55-60 . -
Аннотация: Reconstruction of climate change in Central Asia over the last millennium with an annual resolution was made using geochemical and biological proxy in lake bottom sediments and tree-ring data. We investigated the lake in Central Asia- Teletskoe (Altai), Kucherla (Altai), Baikal, Arahlei (Chita) - and adjacent areas. Cores of bottom sediments were investigated by method of scanning X-ray fluorescent analysis with synchrotron radiation with the spatial resolution of 0.1 mm. It corresponds to the time resolution ~ 0.2-0.5 year. At each point analyzed more than 30 trace elements from K to U. Geochemical proxy of terrigenous, organogenous and aerosol components of sediments well correlated with regional meteodata for the last 100-150 years. Time series of lithological-geochemical indicators of climate change based on dating by 14C, 137Cs and 210Pb was calibrated by instrumental hydrometeorological data. We used tree-ring series together with element contents as an additional proxy for calculation of transfer function, considering that tree-ring series are response to summer temperature in this climatic zone. Annual temperature and precipitation change for the Central Asia region (0 - 1000 years ago) have been reconstructed using the transfer functions such as: time series proxy=function (temperature, precipitation).

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Держатели документа:
Institute of geology and mineralogy SB RAS, Novosibirsk, Russian Federation
Institute of Forest SB RAS, Krasnoyarsk, Russian Federation
Institute of Earth Crust SB RAS, Irkutsk, Russian Federation
Institute of Archeology and Ethnography SB RAS, Novosibirsk, Russian Federation
Institute of Natural Resources, Ecology and Cryology SB RAS, Chita, Russian Federation
Budker Institute of nuclear physics SB RAS, Novosibirsk, Russian Federation
ИЛ СО РАН

Доп.точки доступа:
Darin, A.; Kalugin, I.; Maksimova, N.; Ovchinnikov, D.; Vologina, E.; Rudaya, N.; Ptitsyn, A.; Reshetova, S.; Rakshun, Y.; Zolotarev, K.

/ A. Darin [et al.] // Int. Multidisciplinary Sci. Geoconf. Surveying Geology Mining Ecology Manage., SGEM. - 2013. - 13th International Multidisciplinary Scientific Geoconference and EXPO, SGEM 2013 (16 June 2013 through 22 June 2013, Albena) Conference code: 102053. - P793-796, DOI 10.5593/SGEM2013/BD4/S19.037 . -
Аннотация: The method analytical microstratigraphy of lacustrine sediments allows to obtain paleoclimatic information fundamentally new quality was tested on a model object - Lake Teletskoe (Gorny Altai). Teletskoe lake bottom sediments were studied by scanning X-ray microprobe using synchrotron radiation from VEPP-3 (INP SB RAS, Novosibirsk) with an annual time resolution on the time interval of 1500 years. Data on the distribution of isotopes Cs-137, Pb-210, C-14 were used to create an age model: core depth - age. Using this model were constructed time series of sediment cores composition changes. To obtain the time series used a scanning X-ray analysis on synchrotron radiation with 100 micron spatial resolution. At each point of the core at the same time determines the content of more than 20 trace elements: K, Ca, Ti, V, Cr, Mn, Fe, Ni, Cu, Zn, Ga, As, Se, Br, Rb, Sr, Y, Zr, Nb, Mo, Ba, Pb, Th, U. Terrigenous elements (Ti, V, Cr, Rb, Y, Th) reflect changes in precipitation in the catchment. Organogenic elements (Br, Zn, U) are more associated with regional temperature changes. The ratio of Rb/Sr shows the size of the particles and associated with spring flooding dynamics. The resulting time series were processed by mathematical methods, including the Hilbert-Huang transformation. Was found a set of cyclical changes in litho-geochemical indicators in the Lake Teletskoe sediments with periods of 3.5±0.3; 8.8±0.9; 18.9±2.0; 37.8±1.6; 86±10; 164±15; 346±30; 596±71 and 993 years. Found cycles can be used to predict climate change in nearest decades. © SGEM2013 All Rights Reserved by the International Multidisciplinary Scientific GeoConference SGEM.

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Держатели документа:
Institute of Geology and Mineralogy, SB RAS, Novosibirsk, Russian Federation
Institute of Solar-Terrestrial Physics, SB RAS, Irkutsk, Russian Federation
Sukachev Institute of Forest, SB RAS, Krasnoyarsk, Russian Federation
Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, Russian Federation

Доп.точки доступа:
Darin, A.; Kalugin, I.; Mordvinov, A.; Ovchinnikov, D.; Rakshun, Y.; Darin, B.F.; Maksimov, M.; Sorokoletov, D.

/ S. P. Efremov [et al.] // Nucl Instrum Methods Phys Res Sect A. - 2000. - Vol. 448: 12th National Synchrotron Radiation Conference - SR'98 (14 July 1998 through 18 July 1998, Novosibirsk, Russia, Is. 1. - P442-445, DOI 10.1016/S0168-9002(99)00745-7 . - ISSN 0168-9002
Аннотация: Data are given on the measurement of multielemental composition of the peat column profile of the eutrophic swamp of Western Siberia at a depth of 8.5 m by the SRXRF method. The results of determination of multielemental composition obtained by SRXRF are compared with the data of measurements performed in the Joint Institute of Nuclear Research by the neutron-activation method.

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Держатели документа:
Institute of Forest, SB RAS, Novosibirsk, Russian Federation
Inst. of Chem. Kinetics and Combust., SB RAS, 3, Inst.'s Street, 630090, Novosibirsk, Russian Federation
Joint Institute of Nuclear Research, Dubna, Russian Federation

Доп.точки доступа:
Efremov, S.P.; Efremova, T.T.; Koutzenogii, K.P.; Kovalskaya, G.A.; Chankina, O.V.; Peresedov, V.F.

/ C. -P. Chen [et al.] // Geoderma. - 2014. - Vol. 232-234. - P581-588, DOI 10.1016/j.geoderma.2014.06.021 . - ISSN 0016-7061
Аннотация: Leguminous green manure is an important source of nitrogen (N) and carbon (C) in cropping systems. The fast turnover of leguminous green manure enables it to release N quickly, but limits its effectiveness in maintaining soil organic C content. Converting leguminous green manure into biochar facilitates its use as a soil amendment. In this study, we assessed how the conversion of leguminous green manure (Sesbania roxburghii) into biochar altered its chemical composition and subsequent C and N mineralization. Biomass was charred along a temperature gradient from 200 to 500. °C. Using nuclear magnetic resonance and near-edge X-ray adsorption fine structure spectroscopy, we found that both C and N became enriched in aromatic and heterocyclic aromatic structures in biochar, and this structural change led to a reduction in C and N mineralization rates. The mineralized C decreased from 32.7% of the added C of raw biomass to <. 0.5% of that of biochar at charring temperatures above 400. °C. N release shifted from N mineralization in raw biomass to N immobilization at charring temperatures at 500. °C. As such, soil amended with biochar produced at charring temperatures exceeding 400. °C demonstrated a 25% decrease in dry shoot biomass compared with unamended soil. The results indicated that the C stability of leguminous green manure can be achieved by converting raw material into biochar, but that the charring process may limit it to providing N. © 2014 Elsevier B.V.

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School of Forestry and Resource Conservation, National Taiwan University, Taipei 106, Taiwan
Department of Agronomy, National Chung Hsing University, Taichung 500, Taiwan
Department of Agricultural Chemistry, National Taiwan University, Taipei 106, Taiwan
Institute of Forest SB RAS, Krasnoyarsk 660036, Russian Federation
National Synchrotron Radiation Research Center, Hsinchu 300, Taiwan

Доп.точки доступа:
Chen, C.-P.; Cheng, C.-H.; Huang, Y.-H.; Chen, C.-T.; Lai, C.-M.; Menyailo, O.V.; Fan, L.-J.; Yang, Y.-W.

/ D. Ovchinnikov [et al.] // International Multidisciplinary Scientific GeoConference Surveying Geology and Mining Ecology Management, SGEM. - 2014. - Vol. 1: 14th International Multidisciplinary Scientific Geoconference and EXPO, SGEM 2014 (17 June 2014 through 26 June 2014, ) Conference code: 109699. - P321-324 . -
Аннотация: A solar-terrestrial relations were examined using millennium-scale paleoclimatic data from the Central Asia mountain region. The paleoclimatic data were based on nonvarved lake sediments of the Teletskoye lake and temperature-sensitive long tree-ring width chronologies from the Altai region (Altai Mountains, South Siberia, Russia) in the late Holocene (2000 years). Also a solar-activity during late Holocene was used to analyze. Core of the bottom sediments from the Teletskoe lake (Altai Mountains) were investigated using scanning X-ray fluorescent analysis method with synchrotron radiation (spatial resolution is 0.1 mm). A method ensemble empirical mode decomposition (EEMD) was used to extract low-frequency variability from all presented paleoarchives. The results obtained for paleodata indicate palaeoclimatic oscillations in the range of the de Vries (Suess) (?200-year) solar cycles through the late Holocene. Evidence of the influence of solar activity on global climatic processes and terrestrial ecosystems is discussed.

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Держатели документа:
Institute of Forest SB RASKrasnoyarsk, Russian Federation
Institute of Solar-Terrestrial Physics SB RASIrkutsk, Russian Federation
Institute of Geology SB RASNovosibirsk, Russian Federation
Siberian Federal UniversityKrasnoyarsk, Russian Federation

Доп.точки доступа:
Ovchinnikov, D.; Mordvinov, A.; Kalugin, I.; Darin, A.; Myglan, V.

[Text] / P. Fonti [et al.] // Trees-Struct. Funct. - 2015. - Vol. 29, Is. 4. - P1165-1175, DOI 10.1007/s00468-015-1197-0. - Cited References:71. - This work profited from discussions and activities within the framework of the COST Action STReESS (COST-FP1106). The authors are thankful for support from the Swiss State Secretariat for Education for Research and Innovation SERI for the C12.0100 grant. MT received a President scholarship from the Ministry of Education in Science of the Russian Federation for a four-month stay at WSL in Switzerland to perform measurements and analysis. AK has sampled the wood material and measured tree-ring width (Russian Science Foundation; project 14-14-00295). . - ISSN 0931-1890. - ISSN 1432-2285РУБ Forestry

Аннотация: This study provides new data and an alternative framework to the debate of tree carbon economy in a context of increasing stress. For long-living trees, the resilience in times of stress is directly linked to the amount of accessible reserves. Despite the simplicity of this principle, the understanding of how carbon reserves limit growth and/or induce mortality under global change is still debated. In this study, we quantify how anatomical properties of rays-one of the main container for carbon reserves in tree stems-vary among sites, individuals, and annual rings of Larix gmelinii growing in contrasting sites in Siberia to verify if (1) the ray proportion and anatomical structure is linked to the environment, and/or (2) to changes in other wood tissues. Our observations have highlighted that ray proportion mainly varies among individuals, but little among sites and consecutive annual rings. We also observed that ray size and density scale to the wood structure with a relatively constant ratio of 2.5 rays per tracheid, independent of site conditions. These results suggest that the functional connection between the anatomy of rays and tracheid is unaffected by environment and highlight the importance of considering allometric relations in ecological comparisons. Comparative studies of long-term trajectory of ray proportion of living and dead trees might unravel observed variability among individuals validating the link between long-term depleted reserves and mortality.

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Держатели документа:
Swiss Fed Inst Forest Snow & Landscape Res WSL, CH-8903 Birmensdorf, Switzerland.
VN Sukachev Inst Forest SB RAS, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Fonti, Patrick; Tabakova, Maria A.; Kirdyanov, Alexander V.; Bryukhanova, Marina V.; von Arx, Georg; Swiss State Secretariat for Education for Research and Innovation SERI [C12.0100]; Ministry of Education in Science of the Russian Federation; Russian Science Foundation [14-14-00295]

/ N. Gentsch [et al.] // Eur. J. Soil Sci. - 2015. - Vol. 66, Is. 4. - P722-734, DOI 10.1111/ejss.12269 . - ISSN 1351-0754
Аннотация: Permafrost degradation may cause strong feedbacks of arctic ecosystems to global warming, but this will depend on if, and to what extent, organic matter (OM) is protected against biodegradation by mechanisms other than freezing and anoxia. Here, we report on the amount, chemical composition and bioavailability of particulate (POM) and mineral-associated OM (MOM) in permafrost soils of the East Siberian Arctic. The average total organic carbon (OC) stock across all soils was 24.0 ± 6.7 kg m-2 within 100 cm soil depth. Density fractionation (density cut-off 1.6 g cm-3) revealed that 54 ± 16% of the total soil OC and 64 ± 18% of OC in subsoil horizons was bound to minerals. As well as sorption of OM to clay-sized minerals (R2 = 0.80; P 0.01), co-precipitation of OM with hydrolyzable metals may also transfer carbon into the mineral-bound fraction. Carbon:nitrogen ratios, stable carbon and nitrogen isotopes, 13C-NMR and X-ray photoelectron spectroscopy showed that OM is transformed in permafrost soils, which is a prerequisite for the formation of mineral-organic associations. Mineral-associated OM in deeper soil was enriched in 13C and 15N, and had narrow C:N and large alkyl C:(O-/N-alkyl C) ratios, indicating an advanced stage of decomposition. Despite being up to several thousands of years old, when incubated under favourable conditions (60% water-holding capacity, 15°C, adequate nutrients, 90 days), only 1.5-5% of the mineral-associated OC was released as COinf2/inf. In the topsoils, POM had the largest mineralization but was even less bioavailable than the MOM in subsoil horizons. Our results suggest that the formation of mineral-organic associations acts as an important additional factor in the stabilization of OM in permafrost soils. Although the majority of MOM was not prone to decomposition under favourable conditions, mineral-organic associations host a readily accessible carbon fraction, which may actively participate in ecosystem carbon exchange. © 2015 British Society of Soil Science.

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Держатели документа:
Institut für Bodenkunde, Leibniz Universität Hannover, Herrenhäuser Straße 2, Hannovern, Germany
VN Sukachev Institute of Forest, Akademgorodok 50, Krasnoyarsk, Russian Federation
Division of Terrestrial Ecosystem Research, Department of Microbiology and Ecosystem Science, University of Vienna, Althanstr. 14, Vienna, Austria
Austrian Polar Research Institute, Althanstra?e 14, Vienna, Austria
Department of Earth Sciences, University of Gothenburg, Guldhedsgatan 5A, Gothenburg, Sweden
Department of Natural Resources and the Environment, University of New Hampshire, Durham, NH, United States
Department of Ecogenomics and Systems Biology, University of Vienna, Althanstr. 14, Vienna, Austria
Department of Biology, Centre for Geobiology, University of Bergen, Postboks 7803, Bergen, Norway
Department of Bioscience, Norway and Center for Geomicrobiology, Aarhus University, Ny Munkegade 116, Aarhus C, Denmark
Department of Ecosystem Biology, University of South Bohemia, Branisovska 1760, Ceske Budejovice, Czech Republic
Central SiberianBotanical Garden, Siberian Branch of the Russian Academy of Sciences, Zolotodolinskya Street 101, Novosibirsk, Russian Federation
Lehrstuhl fur Bodenkunde, Technische Universitat Munchen, Emil-Ramann Strasse 2, Freising, Germany
Thunen Institute of Climate Smart Agriculture, Bundesallee 50, Braunschweig, Germany

Доп.точки доступа:
Gentsch, N.; Mikutta, R.; Shibistova, O.; Wild, B.; Schnecker, J.; Richter, A.; Urich, T.; Gittel, A.; Santruckova, H.; Barta, J.; Lashchinskiy, N.; Mueller, C.W.; Fuß, R.; Guggenberger, G.

/ X. Huang [et al.] // Soil Biol. Biochem. - 2017. - Vol. 113. - P71-79, DOI 10.1016/j.soilbio.2017.05.021 . - ISSN 0038-0717
Аннотация: Many soil functions are modulated by processes at soil biogeochemical interfaces (BGIs). However, characterizing the elemental dynamics at BGIs is hampered by the heterogeneity of soil microenvironments. In order to investigate the processes of BGI formation in an upland soil (Mollisol) and a paddy soil (Oxisol), we developed a SoilChip method by assembling dispersed soil particles onto homogeneous 800-?m-diameter microarray chips and then submerging them in a solution that contained dissolved organic matter (OM) extracted from one of the two soils. The chips with Mollisol particles were incubated at 95–100% humidity, whereas the chips with Oxisol particles were incubated at 100% humidity. Dynamics of individual elements at the soils’ BGIs were quantitatively determined using X-ray photoelectron spectroscopy (XPS). Distinct differences in the soil-microbe complexes and elemental dynamics between the Mollisol and Oxisol BGIs suggested that the formation of specific BGIs resulted from the complex interaction of physical, chemical, and microbial processes. By integrating the SoilChip and XPS, it was possible to elucidate the dynamic formation of the two different soil BGIs under standardized conditions. Therefore, the SoilChip method is a promising tool for investigating micro-ecological processes in soil. © 2017

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Держатели документа:
Key Laboratory of Agro-ecological Processes in the Subtropical Region, Institute of Subtropical Agriculture, The Chinese Academy of Sciences, Changsha, China
University of Chinese Academy of Sciences, Beijing, China
Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics – Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
Institute of Soil Science, Leibniz Universitat Hannover, Hannover, Germany
VN Sukachev Institute of Forest, Russian Academy of Sciences - Siberian Branch, Akademgorodok, Krasnoyarsk, Russian Federation
Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture, College of Resources and Environment, Huazhong Agricultural University, Wuhan, China

Доп.точки доступа:
Huang, X.; Li, Y.; Liu, B.; Guggenberger, G.; Shibistova, O.; Zhu, Z.; Ge, T.; Tan, W.; Wu, J.

/ U. Buntgen [et al.] // Nat. Commun. - 2018. - Vol. 9. - Ст. 3605, DOI 10.1038/s41467-018-06036-0. - Cited References:46. - We thank everyone who participated in fieldwork, sample preparation, cross-dating and/or chronology development. This study was funded by the WSL-internal COSMIC project (5233.00148.001.01), the ETHZ (Laboratory of Ion Beam Physics), the Swiss National Science Foundation (SNF Grant 200021L_157187/1), and as the Czech Republic Grant Agency project no. 17-22102s. . - ISSN 2041-1723РУБ Multidisciplinary Sciences

Аннотация: Though tree-ring chronologies are annually resolved, their dating has never been independently validated at the global scale. Moreover, it is unknown if atmospheric radiocarbon enrichment events of cosmogenic origin leave spatiotemporally consistent fingerprints. Here we measure the C-14 content in 484 individual tree rings formed in the periods 770-780 and 990-1000 CE. Distinct C-14 excursions starting in the boreal summer of 774 and the boreal spring of 993 ensure the precise dating of 44 tree-ring records from five continents. We also identify a meridional decline of 11-year mean atmospheric radiocarbon concentrations across both hemispheres. Corroborated by historical eye-witness accounts of red auroras, our results suggest a global exposure to strong solar proton radiation. To improve understanding of the return frequency and intensity of past cosmic events, which is particularly important for assessing the potential threat of space weather on our society, further annually resolved C-14 measurements are needed.

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Держатели документа:
Univ Cambridge, Dept Geog, Cambridge CB2 3EN, England.
Swiss Fed Res Inst WSL, CH-8903 Birmensdorf, Switzerland.
Global Change Res Inst CAS, Brno 60300, Czech Republic.
Masaryk Univ, Dept Geog, Brno 61137, Czech Republic.
Swiss Fed Inst Technol, Lab Ion Beam Phys, CH-8093 Zurich, Switzerland.
Univ Quebec Rimouski, Dept Biol Chim & Geog, Rimouski, PQ G5L 3A1, Canada.
Queens Univ, Sch Nat & Built Environm, Belfast BT7 1NN, Antrim, North Ireland.
Swiss Fed Inst Aquat Sci & Technol Eawag, CH-8600 Dubendorf, Switzerland.
CNR, Trees & Timber Inst, IVALSA, I-38010 San Michele All Adige, TN, Italy.
Off Urbanism, Competence Ctr Underwater Archaeol & Dendrochrono, CH-8008 Zurich, Switzerland.
Univ Auckland, Sch Environm, Auckland 1010, New Zealand.
Friedrich Alexander Univ Erlangen Nurnberg FAU, Inst Geog, D-91058 Erlangen, Germany.
Univ Padua, Dept Terr & Sistemi Agroforestali, I-35020 Legnaro, PD, Italy.
Stockholm Univ, Dept Hist, SE-10691 Stockholm, Sweden.
Stockholm Univ, Bolin Ctr Climate Res, SE-10691 Stockholm, Sweden.
Univ Austral Chile, Lab Dendrocronol & Cambio Globa, Casilla 567, Valdivia, Chile.
Ctr Climate & Resilience Res, Blanco Encalada 2002, Santiago 8370449, Chile.
Univ Vermont, Rubenstein Sch Environm & Nat Resources, Burlington, VT 05405 USA.
Columbia Univ, Lamont Doherty Earth Observ, Tree Ring Lab, Palisades, NY 10964 USA.
William Paterson Univ, Dept Environm Sci, Wayne, NJ 07470 USA.
Iceland Forest Res Magilsa, IS-116 Reykjavik, Iceland.
Johannes Gutenberg Univ Mainz, Dept Geog, D-55099 Mainz, Germany.
Univ Guelph, Dept Geog, Guelph, ON N1G 2W1, Canada.
Univ Lorraine, INRA, AgroParisTech, F-54000 Nancy, France.
Univ Tennessee, Dept Geog, Knoxville, TN 37996 USA.
Swedish Polar Res Secretariat, SE-10405 Stockholm, Sweden.
Stockholm Univ, Dept Phys Geog, SE-10691 Stockholm, Sweden.
Russian Acad Sci, Ural Branch, Inst Plant & Anim Ecol, Ekaterinburg 620144, Russia.
Bavarian State Off Monument Protect, D-80539 Munich, Germany.
W Virginia Univ, Dept Geol & Geog, Morgantown, WV 26506 USA.
German Archaeol Inst, D-14195 Berlin, Germany.
Univ Arizona, Dept Geosci, Tucson, AZ 85721 USA.
Univ Arizona, AMS Lab, Tucson, AZ 85721 USA.
Inst Nucl Res, Isotope Climatol & Environm Res Ctr, H-4001 Debrecen, Hungary.
RAS, SB, Sukachev Inst Forest, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Dept Humanities, Krasnoyarsk 660041, Russia.
Mendel Univ Brno, Dept Wood Sci, Brno 61300, Czech Republic.
Navarino Environm Observ, GR-24001 Messinia, Greece.
Univ Gothenburg, Dept Earth Sci, S-40530 Gothenburg, Sweden.
Swansea Univ, Dept Geog, Swansea SA2 8PP, W Glam, Wales.
Univ Western Ontario, Dept Geog, London, ON N6A 3K7, Canada.
Nagoya Univ, Inst Space Earth Environm Res, Nagoya, Aichi 4648601, Japan.
Univ Innsbruck, Inst Geog, A-6020 Innsbruck, Austria.
Univ New South Wales, Sch Biol Earth & Environm Sci, Palaeontol Geobiol & Earth Arch Res Ctr, Sydney, NSW 2052, Australia.
Univ New South Wales, Sch Biol Earth & Environm Sci, ARC Ctr Excellence Australian Biodivers & Heritag, Sydney, NSW 2052, Australia.
Univ Arizona, Lab Tree Ring Res, Tucson, AZ 85721 USA.
Harvard Univ, Harvard Forest, Petersham, MA 01366 USA.
Univ Freiburg, Inst Forest Sci, Chair Forest Growth & Dendroecol, Freiburg, Germany.
Paul Scherrer Inst, Lab Environm Chem, CH-5232 Villigen, Switzerland.
Univ Geneva, Inst Environm Sci, CH-1205 Geneva, Switzerland.
Indiana State Univ, Dept Earth & Environm Syst, Terre Haute, IN 47809 USA.
Archaeol Serv Kanton Thurgau AATG, CH-8510 Frauenfeld, Switzerland.
Consejo Nacl Invest Cient & Tecn, IANIGLA, Inst Argentino Nivol Glaciol & Cienc Ambientales, RA-3305500 Mendoza, Argentina.
Coll Wooster, Dept Earth Sci, Wooster, OH 44691 USA.
Univ St Andrews, Sch Geog & Geosci, St Andrews KY16 9AJ, Fife, Scotland.
Hampshire Coll, Sch Nat Sci, Amherst, MA 01002 USA.
Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Key Lab Desert & Desertificat, Lanzhou 730000, Gansu, Peoples R China.

Доп.точки доступа:
Buntgen, Ulf; Wacker, Lukas; Galvan, J. Diego; Arnold, Stephanie; Arseneault, Dominique; Baillie, Michael; Beer, Jurg; Bernabei, Mauro; Bleicher, Niels; Boswijk, Gretel; Brauning, Achim; Carrer, Marco; Ljungqvist, Fredrik Charpentier; Cherubini, Paolo; Christl, Marcus; Christie, Duncan A.; Clark, Peter W.; Cook, Edward R.; D'Arrigo, Rosanne; Davi, Nicole; Eggertsson, Olafur; Esper, Jan; Fowler, Anthony M.; Gedalof, Ze'ev; Gennaretti, Fabio; Griessinger, Jussi; Grissino-Mayer, Henri; Grudd, Hakan; Gunnarson, Bjorn E.; Hantemirov, Rashit; Herzig, Franz; Hessl, Amy; Heussner, Karl-Uwe; Jull, A. J. Timothy; Kukarskih, Vladimir; Kirdyanov, Alexander; Kolar, Tomas; Krusic, Paul J.; Kyncl, Tomas; Lara, Antonio; LeQuesne, Carlos; Linderholm, Hans W.; Loader, Neil J.; Luckman, Brian; Miyake, Fusa; Myglan, Vladimir S.; Nicolussi, Kurt; Oppenheimer, Clive; Palmer, Jonathan; Panyushkina, Irina; Pederson, Neil; Rybnicek, Michal; Schweingruber, Fritz H.; Seim, Andrea; Sigl, Michael; Sidorova, J. H.; Speer, James H.; Synal, Hans-Arno; Tegel, Willy; Treydte, Kerstin; Villalba, Ricardo; Wiles, Greg; Wilson, Rob; Winship, Lawrence J.; Wunder, Jan; Yang, Bao; Young, Giles H. F.; WSL-internal COSMIC project [5233.00148.001.01]; ETHZ (Laboratory of Ion Beam Physics); Swiss National Science Foundation (SNF Grant) [200021L_157187/1]; Czech Republic Grant Agency project [17-22102s]

/ J. Bjorklund [et al.] // Rev. Geophys., DOI 10.1029/2019RG000642. - Cited References:274. - We sincerely thank three anonymous referees for valuable critique to an earlier version of the manuscript. We further acknowledge the shared expertise of Etienne Szymanski and Peter Herter of WALESCH Electronic and Anders Rindby of Cox Analytical Systems during a workshop arranged as part of the coordination of the intercomparison experiment (section of this review). We thank two diligent technicians: Patrick Zust and Basil Frefel for assistance in producing the wood anatomically based data set. This work was mainly funded by the Swiss National Science Foundation (Grants iTREE CRSII3_136295 and P300P2_154543). J. B. further gratefully acknowledges financial support by the Transnational Access to Research Infrastructures activity in the 7th Framework Programme of the EC under the Trees4Future project (284181). G. v. A. was supported by a grant from the Swiss State Secretariat for Education, Research and Innovation SERI (SBFI C14.0104). J. B. and G. v. A. were also supported by the Swiss National Science Foundation (SNSF; Project XELLCLIM 200021_182398). M. R. acknowledges funding through the EVA4.0 project (CZ.02.1.01/0.0/0.0/16_019/0000803). P. F. was supported by the Swiss National Science Foundation (Grants 150205 and LOTFOR). T. D. M was supported by Ghent University Special Research Fund PhD grant (BOF. DOC.2014.0037.01). R. K. and K. J. were supported by the National Science Centre project DEC-2013/11/B/ST10/04764 (Poland). A. H. and R. S.-S. are grateful to Juan Majada for providing support for this study and Laura Gonzalez Sanchez, Mara Arrojo, and Fernando Quintana who assisted in the CETEMAS laboratory. R. S.-S. was supported by a postdoctoral grant (IJCI-2015-25845, FEDER funds). A. V. K. was supported by the Russian Science Foundation (Project 18-1400072). J. E, C. H., and M. K. were supported by the German Science Foundation (Grants Inst 247/665-1 FUGG, ES 161/9-1, and HA 8048/1-1). M. W. and T. S. were supported by the Leibnitz Association (project BaltRap) and M. W. by the German Science Foundation (GrantsInst 247/665-1 FUGG, ES 161/9-1, and Wi 2680/8-1). K. N. was supported by the Austrian Science Fund FWF (Grant I 1183-N19). L. A.-H., R. O., and R. D. were supported by the U.S. National Science Foundation (NSF) Grants AGS-15-02150, PLR-15-04134, and PLR-1603473. U. B. received funding from the project "SustES - Adaptation strategies for sustainable ecosystem services and food security under adverse environmental conditions"(CZ.02.1.01/0.0/0.0/16_019/0000797). R. W. was supported by NERC Grant NE/K003097/1. N. J. L. received support from the UK NERC (NE/P011527/1) and EU project "Millennium" (017008). M. M. and V. T. were supported by U.S. NSF CAREER Grant AGS-1349942. I.M. and R.V. were partially supported by the BNP Paribas Foundation (Award THEMES). Data produced for this study are made available through the Supporting Information (Data S1), where also meta data (technique and parameterization) for each data set are described (Tables S1-S3 of Data S2). . - Article in press. - ISSN 8755-1209. - ISSN 1944-9208РУБ Geochemistry & Geophysics

Аннотация: X-ray microdensitometry on annually resolved tree-ring samples has gained an exceptional position in last-millennium paleoclimatology through the maximum latewood density (MXD) parameter, but also increasingly through other density parameters. For 50 years, X-ray based measurement techniques have been the de facto standard. However, studies report offsets in the mean levels for MXD measurements derived from different laboratories, indicating challenges of accuracy and precision. Moreover, reflected visible light-based techniques are becoming increasingly popular, and wood anatomical techniques are emerging as a potentially powerful pathway to extract density information at the highest resolution. Here we review the current understanding and merits of wood density for tree-ring research, associated microdensitometric techniques, and analytical measurement challenges. The review is further complemented with a careful comparison of new measurements derived at 17 laboratories, using several different techniques. The new experiment allowed us to corroborate and refresh "long-standing wisdom" but also provide new insights. Key outcomes include (i) a demonstration of the need for mass/volume-based recalibration to accurately estimate average ring density; (ii) a substantiation of systematic differences in MXD measurements that cautions for great care when combining density data sets for climate reconstructions; and (iii) insights into the relevance of analytical measurement resolution in signals derived from tree-ring density data. Finally, we provide recommendations expected to facilitate futureinter-comparability and interpretations for global change research.

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Держатели документа:
Swiss Fed Inst Forest Snow & Landscape Res WSL, Birmensdorf, Switzerland.
Czech Univ Life Sci, Fac Forestry & Wood Sci, Prague, Czech Republic.
Gothenburg Univ, Ctr Earth Sci, Lab Dendrochronol, Gothenburg, Sweden.
Univ St Andrews, Sch Earth & Environm Sci, St Andrews, Fife, Scotland.
Columbia Univ, Lamont Doherty Earth Observ, Tree Ring Lab, New York, NY USA.
Univ Ghent, Fac Biosci Engn, UGent Woodlab, Lab Wood Technol,Dept Environm, Ghent, Belgium.
Univ Ghent, Ctr Xray Tomog UGCT, Ghent, Belgium.
Tech Univ Dresden, Inst Forest Utilizat & Forest Technol, Dresden, Germany.
Swansea Univ, Dept Geog, Swansea, W Glam, Wales.
Ernst Moritz Arndt Univ Greifswald, Dendrogreif, Greifswald, Germany.
Univ Cambridge, Dept Geog, Cambridge, England.
William Paterson Univ, Dept Environm Sci, Wayne, NJ 07470 USA.
Johannes Gutenberg Univ Mainz, Dept Geog, Mainz, Germany.
Stockholm Univ, Bolin Ctr Climate Res, Stockholm, Sweden.
Forest & Wood Technol Res Ctr CETEMAS, Asturias, Spain.
Univ Huelva, Dept Ciencias Agroforestales, Huelva, Spain.
Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian, Shaanxi, Peoples R China.
Chinese Acad Sci, Ctr Excellence Quaternary Sci & Global Change, Xian, Shaanxi, Peoples R China.
Univ Silesia, Fac Earth Sci, Katowice, Poland.
Sukachev Inst Forest SB RAS, Krasnoyarsk, Russia.
Siberian Fed Univ, Inst Ecol & Geog, Krasnoyarsk, Russia.
Univ Arizona, Tree Ring Res Lab, Tucson, AZ 85721 USA.
Consejo Nacl Invest Cient & Tecn, Inst Argentino Nivol Glaciol & Ciencias Ambiental, Mendoza, Argentina.
UNCuyo, Fac Ciencias Exactas & Nat, Mendoza, Argentina.
Univ Innsbruck, Inst Geog, Innsbruck, Austria.
Univ Pablo de Olavide, Dept Sistemas Fis Quim & Nat, Seville, Spain.
Nat Resources Inst, Joensuu, Finland.

Доп.точки доступа:
Bjorklund, J.; von Arx, G.; Nievergelt, D.; Wilson, R.; Van den Bulcke, J.; Gunther, B.; Loader, N. J.; Rydval, M.; Fonti, P.; Scharnweber, T.; Andreu-Hayles, L.; Buntgen, U.; D'Arrigo, R.; Davi, N.; De Mil, T.; Esper, J.; Gartner, H.; Geary, J.; Gunnarson, B. E.; Hartl, C.; Hevia, A.; Song, H.; Janecka, K.; Kaczka, R. J.; Kirdyanov, A. V.; Kochbeck, M.; Liu, Y.; Meko, M.; Mundo, I.; Nicolussi, K.; Oelkers, R.; Pichler, T.; Sanchez-Salguero, R.; Schneider, L.; Schweingruber, F.; Timonen, M.; Trouet, V.; Van Acker, J.; Verstege, A.; Villalba, R.; Wilmking, M.; Frank, D.; Wilson, Rob; liu, yu; Swiss National Science FoundationSwiss National Science Foundation (SNSF) [iTREE CRSII3_136295, P300P2_154543, 150205]; Transnational Access to Research Infrastructures activity in the 7th Framework Programme of the EC under the Trees4Future project [284181]; Swiss State Secretariat for Education, Research and Innovation SERI [SBFI C14.0104]; Swiss National Science Foundation (SNSF)Swiss National Science Foundation (SNSF) [XELLCLIM 200021_182398]; EVA4.0 project [CZ.02.1.01/0.0/0.0/16_019/0000803]; Ghent UniversityGhent University [BOF. DOC.2014.0037.01]; National Science Centre (Poland) [DEC-2013/11/B/ST10/04764]; FEDER fundsEuropean Union (EU) [IJCI-2015-25845]; Russian Science FoundationRussian Science Foundation (RSF) [18-1400072]; German Science FoundationGerman Research Foundation (DFG) [Inst 247/665-1 FUGG, ES 161/9-1, HA 8048/1-1, Wi 2680/8-1]; Leibnitz Association (project BaltRap); Austrian Science Fund FWFAustrian Science Fund (FWF) [I 1183-N19]; U.S. National Science Foundation (NSF)National Science Foundation (NSF) [AGS-15-02150, PLR-15-04134, PLR-1603473]; project "SustES - Adaptation strategies for sustainable ecosystem services and food security under adverse environmental conditions" [CZ.02.1.01/0.0/0.0/16_019/0000797]; NERCNERC Natural Environment Research Council [NE/K003097/1]; UK NERCNERC Natural Environment Research Council [NE/P011527/1]; EU project "Millennium" [017008]; U.S. NSF CAREER GrantNational Science Foundation (NSF) [AGS-1349942]; BNP Paribas Foundation (Award THEMES)

/ X. Huang [et al.] // Sci. Rep. - 2019. - Vol. 9, Is. 1. - Ст. 18684, DOI 10.1038/s41598-019-55174-y . - ISSN 2045-2322
Аннотация: The soil-water interfaces (SWI) in soil pores are hotspots for organic matter (OM) transformation. However, due to the heterogeneous and opaque nature of soil microenvironment, direct and continuous tracing of interfacial reactions, such as OM transformations and formation of organo-mineral associations, are rare. To investigate these processes, a new soil microarray technology (SoilChips) was developed and used. Homogeneous 800-?m-diameter SoilChips were constructed by depositing a dispersed Oxisol A horizon suspension on a patterned glass. Dissolved organic matter from the original soil was added on the SoilChips to mimic SWI processes. The effects of ammonium fertilization (90 mg N kg?1 soil) on chemical composition of SWIs were evaluated via X-ray photoelectron spectroscopy. Over 21 days, ammonium addition increased OM coatings at SWIs and modified the OM chemical structure with more alcoholic- and carboxylic-C compared to the unfertilized control. Molecular modeling of OM composition at SWIs showed that N fertilization mainly facilitated the microbial production of glucans. We demonstrated that N availability modifies the specific OM molecular processing and its immobilization on SWIs, thereby providing a direct insight into biogeochemical transformation of OM at micro-scale. © 2019, The Author(s).

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Держатели документа:
Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
Key Laboratory of Agro-ecological Processes in the Subtropical Region, Institute of Subtropical Agriculture, The Chinese Academy of Sciences, Changsha, 410125, China
Changsha Research Station for Agricultural and Environmental Monitoring, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Hunan, 410125, China
Institute of Soil Science, Leibniz Universitat Hannover, Hannover, 30419, Germany
VN Sukachev Institute of Forest, SB-RAS, Krasnoyarsk, 660036, Russian Federation
Department of Soil Science of Temperate Ecosystems, Department of Agricultural Soil Science, University of Goettingen, Gottingen, Germany
Institute of Environmental Sciences, Kazan Federal University, Kazan, 420049, Russian Federation
Agro-Technology Institute, RUDN University, Moscow, Russian Federation

Доп.точки доступа:
Huang, X.; Guggenberger, G.; Kuzyakov, Y.; Shibistova, O.; Ge, T.; Li, Y.; Liu, B.; Wu, J.

/ X. Z. Huang, G. Guggenberger, Y. Kuzyakov [et al.] // Sci Rep. - 2019. - Vol. 9. - Ст. 18684, DOI 10.1038/s41598-019-55174-y. - Cited References:47. - The authors gratefully acknowledge financial support from the National Natural Science Foundation of China (No. 41090283; No. 41430860; No. 41807051) as well as and National Science Foundation of China and Russian Foundation of Basic Research joint project (N 19-54-53026) granted to T.G. and O.S. The publication was supported by the Russian Government Program of Competitive Growth of Kazan Federal University and with the support of the "RUDN University program 5-100". Contribution of YK was supported by the Russian Science Foundation (project No. 19-77-30012). . - ISSN 2045-2322РУБ Multidisciplinary Sciences

Аннотация: The soil-water interfaces (SWI) in soil pores are hotspots for organic matter (OM) transformation. However, due to the heterogeneous and opaque nature of soil microenvironment, direct and continuous tracing of interfacial reactions, such as OM transformations and formation of organo-mineral associations, are rare. To investigate these processes, a new soil microarray technology (SoilChips) was developed and used. Homogeneous 800-mu m-diameter SoilChips were constructed by depositing a dispersed Oxisol A horizon suspension on a patterned glass. Dissolved organic matter from the original soil was added on the SoilChips to mimic SWI processes. The effects of ammonium fertilization (90 mg N kg(-1) soil) on chemical composition of SWIs were evaluated via X-ray photoelectron spectroscopy. Over 21 days, ammonium addition increased OM coatings at SWIs and modified the OM chemical structure with more alcoholic- and carboxylic-C compared to the unfertilized control. Molecular modeling of OM composition at SWIs showed that N fertilization mainly facilitated the microbial production of glucans. We demonstrated that N availability modifies the specific OM molecular processing and its immobilization on SWIs, thereby providing a direct insight into biogeochemical transformation of OM at micro-scale.

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Держатели документа:
Huazhong Univ Sci & Technol, Hubei Bioinformat & Mol Imaging Key Lab, Britton Chance Ctr Biomed Photon,Wuhan Natl Lab O, Dept Biomed Engn,Coll Life Sci & Technol,Syst Bio, Wuhan, Hubei, Peoples R China.
Chinese Acad Sci, Inst Subtrop Agr, Key Lab Agroecol Proc Subtrop Reg, Changsha 410125, Hunan, Peoples R China.
Chinese Acad Sci, Inst Subtrop Agr, Changsha Res Stn Agr & Environm Monitoring, Hunan 410125, Peoples R China.
Leibniz Univ Hannover, Inst Soil Sci, D-30419 Hannover, Germany.
RAS, VN Sukachev Inst Forest, SB, Krasnoyarsk 660036, Russia.
Univ Goettingen, Dept Agr Soil Sci, Dept Soil Sci Temperate Ecosyst, Gottingen, Germany.
Kazan Fed Univ, Inst Environm Sci, Kazan 420049, Russia.
RUDN Univ, Agrotechnol Inst, Moscow, Russia.

Доп.точки доступа:
Huang, Xizhi; Guggenberger, Georg; Kuzyakov, Yakov; Shibistova, Olga; Ge, Tida; Li, Yiwei; Liu, Bifeng; Wu, Jinshui; National Natural Science Foundation of ChinaNational Natural Science Foundation of China [41090283, 41430860, 41807051]; National Science Foundation of ChinaNational Natural Science Foundation of China [N 19-54-53026]; Russian Foundation of Basic ResearchRussian Foundation for Basic Research (RFBR) [N 19-54-53026]; Russian Government Program of Competitive Growth of Kazan Federal University; Russian Science FoundationRussian Science Foundation (RSF) [19-77-30012]; RUDN University program 5-100

/ M. A. Tabakova, K. A. Tabakova, K. I. Khotcinskaia [et al.] // Russ. J. Ecol. - 2021. - Vol. 52, Is. 5. - P406-411, DOI 10.1134/S106741362105012X. - Cited References:23. - This work was carried out in the Laboratory for complex studies of forest dynamics of Eurasia of the Siberian Federal University (FSRZ-2020-0014), with financial support from the Russian Science Foundation (Grant 18-14-00072, sampling and measurements) and (Grant 18-74-10048, data analysis). . - ISSN 1067-4136. - ISSN 1608-3334РУБ Ecology

Аннотация: The forest-steppe ecotone in southern Siberia is the natural transition zone from the dry steppe in the south to the wetter taiga in the north, where tree growth is increasingly limited due to drought. Within this zone, tree growth limitation is expected to intensify due to ongoing climate changes, reducing forest productivity, affecting tree physiological processes and increasing tree mortality, with potential implications for the regional and global carbon cycle. We explored Pinus sylvestris L. tree ring growth and structure response to climate in southern Siberia. We measured tree-ring width (RW) and xylem parenchyma represented as the percentage of ring surface occupied by parenchyma rays (PERPAR) and the total amount of ray parenchyma per sample width (TOTRAY) within the growth rings for the 1967-2018 period. The results showed an influence of environmental conditions before and during the formation of ray parenchyma, with an independent climate response from the observed in the RW. Therefore, pine xylem parenchyma-based chronologies have potential as a proxy to evaluate climate sensitivity in P. sylvestris. However, the dependence on climate conditions might affect ray parenchyma's critical role in conifers as P. sylvestris under the current temperature-induced drought trend in the forest-steppe.

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Держатели документа:
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
RAS, Krasnoyarsk Sci Ctr, Fed Res Ctr, Sukachev Inst Forest,SB, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Tabakova, M. A.; Tabakova, K. A.; Khotcinskaia, K. I.; Sergeeva, O. V.; Arzac, A.; Laboratory for complex studies of forest dynamics of Eurasia of the Siberian Federal University [FSRZ-2020-0014]; Russian Science FoundationRussian Science Foundation (RSF) [18-14-00072, 18-74-10048]

/ S. G. Ovchinnikov, T. M. Ovchinnikova // J. Exp. Theor. Phys. - 2021. - Vol. 133, Is. 3. - P374-381, DOI 10.1134/S106377612109003X. - Cited References:90. - We are thankful to Dr. Alexander Gavriliuk and Dr. Leonid Dubrovinsky for stimulating discussions. We thank the Russian Science Foundation for the financial support under the project no. 18-12-00022. . - ISSN 1063-7761. - ISSN 1090-6509РУБ Physics, Multidisciplinary

Аннотация: The effect of the high pressure on the electronic properties of NiO is studied within the multielectron approach. The low energy physics is described by the effective Hubbard model based on Ni d-electrons and O p-electrons in three charge sectors of the Hilbert space: neutral states (configurations d(8) + d(9)L + d(10)L(2)), electron removal states (configurations d(7) + d(8)L + d(9)L(2)), and electron addition states (d(9) + d(10)L) with L denotes a ligand hole. Due to a high spin (HS)-low spin (LS) crossover in the electron removal states at pressure P-S determined by a competition of the intraatomic Hund exchange interaction and increasing with pressure crystal field 10Dq, the effective Hubbard parameter U-eff and the insulator gap E-g depend on pressure. We find weak increasing of E-g for P P-S and weak decreasing E-g for P P-S. The Mott-Hubbard transition pressure is estimated to be in the interval 450-650 GPa.

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Держатели документа:
Russian Acad Sci, Fed Res Ctr, Kirensky Inst Phys, Siberian Branch,Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia.
Russian Acad Sci, Fed Res Ctr, Sukachev Inst Forest, Siberian Branch,Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Ovchinnikov, S. G.; Ovchinnikova, T. M.; Russian Science FoundationRussian Science Foundation (RSF) [18-12-00022]