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

: материалы временных коллективов / С. Г. Прокушкин [и др.] // Известия РАН. Серия биологическая. - 2011. - № 2. - С. 227-234. - Библиогр. в конце ст.
   Перевод заглавия: Postfire restoration of organic substance in the ground cover of the larch forests in the permafrost zone of central Evenkia
Аннотация: Рассматривается роль низовых пожаров в трансформации органического вещества в напочвенном покрове лиственничников криолитозоны Средней Сибири и динамика его послепожарного восстановления. Отмечено, что в результате их действия происходит существенное снижение концентрации и запасов органического углерода и отдельных его фракций в напочвенном покрове, период восстановления которых растянут на многие десятилетия.

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

Доп.точки доступа:
Прокушкин, Станислав Григорьевич; Prokushkin, Staniclav Grigor'evich; Богданов, Вячеслав Владимирович; Bogdanov Vyacheslav Vladimirovich; Прокушкин, Анатолий Станиславович; Prokushkin, Anatoly Stanislavovich; Токарева, Ирина Владимировна; Tokaryeva, Irina Vladimirovna

/ M. I. Makarov [et al.] // Eurasian Soil Sci. - 2013. - Vol. 46, Is. 7. - P778-787, DOI 10.1134/S1064229313070053. - Cited References: 32. - This study was supported by the Russian Foundation for Basic Research (project no. 10-04-00780). . - 10. - ISSN 1064-2293РУБ Soil Science

Аннотация: The drying of samples of mountain-meadow soils characterized by their permanently high moisture under natural conditions fundamentally changes the concentrations of the labile nitrogen and carbon compounds, as well as the patterns of their microbial transformation. When the soil samples are dried, a four- to fivefold increase in the content of the extractable organic nitrogen compounds, carbon compounds, and inorganic nitrogen compounds is observed, while the content of nitrogen and carbon of the microbial biomass decreases by two-three times. The rewetting of the dried soil launches the process of the replenishment of the nitrogen and carbon reserves in the microbial biomass. However, even after two weeks of incubation, their values were 1.5-2 times lower than the initial values typical of the natural soil. The restoration of the microbial community in the samples of the previously dried soils occurs in the absence of a deficiency of labile organic compounds and is accompanied by their active mineralization and the low uptake of ammonium nitrogen by the microorganisms.

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Держатели документа:
Makarov, M. I.
Mulyukova, O. S.
Malysheva, T. I.] Moscow MV Lomonosov State Univ, Fac Soil Sci, Moscow 119992, Russia
[Menyailo, O. V.] Russian Acad Sci, Siberian Branch, Sukachev Inst Forestry, Krasnoyarsk, Russia

Доп.точки доступа:
Makarov, M.I.; Mulyukova, O.S.; Malysheva, T.I.; Menyailo, O.V.

/ M. D. Evdokimenko // Eurasian Soil Sci. - 2013. - Vol. 46, Is. 2. - P117-126, DOI 10.1134/S106422931302004X. - Cited References: 21 . - 10. - ISSN 1064-2293РУБ Soil Science

Аннотация: Pyrogenic transformations of the physical state of cryogenic soils in the southern and middle taiga were investigated. The long-term dynamics of the microclimate on burns and the soil temperature and moisture to the depth of 120 cm were studied. Data on the postfire restoration of the ground cover are presented. Experiments on artificial sprinkling of burned areas differing in the degree of the burning out of the forest litter, the slope gradient, etc., have been performed. An experimental model demonstrating the relationships between the surface runoff and five environmental factors has been proposed. The pyrogenic destruction of the ground cover and the lower phytocenosis layers was accompanied by significant disturbances of the microclimate and anomalous thawing of the permafrost on the burns. In the pine stand on the colluvial fan after the intense fire, the soil temperature at the depth of 10 cm ( in the summer) exceeded the control value by 3-5 degrees C; in the larch forest on the southern slope of the Stanovoi Ridge, it increased by 1.5-2.0 times after the fire of medium intensity. On the mountain slopes, the surface runoff was significantly intensified, which resulted in drastic environmental and silvicultural consequences.

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Держатели документа:
Russian Acad Sci, Sukachev Inst Forest, Siberian Branch, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Evdokimenko, M.D.

/ Y. N. Krasnoshchekov, Y. S. Cherednikova // Eurasian Soil Sci. - 2012. - Vol. 45, Is. 10. - P929-938, DOI 10.1134/S1064229312100055. - Cited References: 24. - This work was supported by the Russian Foundation for Basic Research (project no. 08-04-00027). . - 10. - ISSN 1064-2293РУБ Soil Science

Аннотация: The results of experimental investigations of the postpyrogenic dynamics of the widespread rawhumus podzols under Pinus sibirica forests in the southern Lake Baikal basin are discussed. Ground fires transform the diagnostic surface organic soil horizons into organic pyrogenic horizons (Opir, OL/Opir, and AOpir). The adverse effect of ground fires of different intensities on the changes in the reserves, the fractional composition of the litters, and the chemical composition of the organic horizons is shown. The soils of dark coniferous forests are inclined to long-lasting restoration. The Pinus sibirica regrowth under the canopy of deciduous species serves as the basis for the restoration of native stands and the formation of the soils characteristic of the southern part of the Lake Baikal basin.

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Держатели документа:
[Krasnoshchekov, Yu. N.
Cherednikova, Yu. S.] Russian Acad Sci, Sukachev Inst Forestry, Siberian Branch, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Krasnoshchekov, Y.N.; Cherednikova, Y.S.

[Text] / S. G. Prokushkin [et al.] // Biol. Bull. - 2011. - Vol. 38, Is. 2. - P183-190, DOI 10.1134/S1062359011020129. - Cited References: 36. - The work was supported by the Russian Foundation for Basic Research (projects nos. 08-04-0034-a, 10-04-00542-a, and 10-04-01003), Siberian Branch of the Russian Academy of Sciences (integration project no. 76), and Krasnoyarsk Regional Foundation for Support of Scientific and Technological Activities. . - 8. - ISSN 1062-3590РУБ Biology

Аннотация: The role of ground fires in transformation of organic substance in the ground cover of larch stands in the permafrost zone of Central Siberia was studied as well as the post-fire restoration dynamics of organic substance. Ground fires lead to is a considerable decrease in concentrations and resources of organic carbon and its individual fractions in the ground cover and their restoration takes many decades.

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Держатели документа:
[Prokushkin, S. G.
Bogdanov, V. V.
Prokushkin, A. S.
Tokareva, I. V.] Russian Acad Sci, Siberian Branch, Sukachev Inst Forest, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Prokushkin, S.G.; Bogdanov, V.V.; Prokushkin, A.S.; Tokareva, I.V.

[Text] / I. Y. Koropachinskii, L. I. Milyutin // Contemp. Probl. Ecol. - 2011. - Vol. 4, Is. 2. - P167-177, DOI 10.1134/S1995425511020081. - Cited References: 76 . - 11. - ISSN 1995-4255РУБ Ecology

Аннотация: The paper studies the introgressive hybridization between the Gmelin's larch and Cajander larch. The obtained data confirm the indisputable specific independence of the Cajander larch, which occupies about 48% of the total area of the larch forests in Russia. Its specific independence has been doubted by some experts. Once again more reliable and vast material shows the presence of wide transitional belt of hybrid populations at the juncture of the hybridizing species. Some forestry characteristics of the Gmelin's larch and Cajanderi larch are studied that play important role in their natural restoration.

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Держатели документа:
[Koropachinskii, I. Yu.] Russian Acad Sci, Siberian Branch, Cent Siberian Bot Garden, Novosibirsk 630090, Russia
[Milyutin, L. I.] Russian Acad Sci, Sukachev Inst Forest, Siberian Branch, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Koropachinskii, I.Y.; Milyutin, L.I.

[Text] / A. V. Bogorodskaya, G. A. Ivanova, P. A. Tarasov // Eurasian Soil Sci. - 2011. - Vol. 44, Is. 1. - P49-55, DOI 10.1134/S1064229310071014. - Cited References: 36. - This work was supported by the Russian Foundation for Basic Research (project no. 07-04-00562) and by the International Science and Technology Center (project no. 3695). . - 7. - ISSN 1064-2293РУБ Soil Science

Аннотация: The postfire transformation of the functional activity of the microbial cenoses and the main soil properties under mixed larch forests were studied in the lower reaches of the Angara River. It was shown that the intensity of the postfire changes in the population density, biomass, and activity of the microorganisms in the dark podzolized brown forest soil depended on the degree of burning of the ground cover and the surface litter during the fire. The maximum effects of the fire on the microbial cenoses were observed in the litter and the upper 5-cm-thick layer of the dark-humus horizon in the areas of intense burning. The postfire restoration of the structural-functional activity of the microbial cenoses was determined by the degree of transformation of soil properties and by the postpyrogenic succession in the ground cover. The microbial complexes of the dark podzolized brown forest soils under mixed larch forests in the studied region restored their functional activity after the fires of different intensities quicker than the microbial cenoses of the sandy podzols in the pyrogenic lichen-green-moss pine forests of the same zone.

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Держатели документа:
[Bogorodskaya, A. V.
Ivanova, G. A.] Russian Acad Sci, Siberian Branch, Sukachev Inst Forestry, Krasnoyarsk 660036, Russia
[Tarasov, P. A.] Siberian State Technol Univ, Krasnoyarsk 660049, Russia

Доп.точки доступа:
Bogorodskaya, A.V.; Ivanova, G.A.; Tarasov, P.A.

[Text] / S. G. Prokushkin [et al.] // Biol. Bull. - 2010. - Vol. 37, Is. 1. - P80-88, DOI 10.1134/S1062359010010115. - Cited References: 24. - This study was supported by a grant from the Krasnoyarsk Regional Foundation of Science and the Russian Foundation for Basic Research (project no. 07-04-96812). . - 9. - ISSN 1062-3590РУБ Biology

Аннотация: The impact of solifluction (soil-sliding) on soil and vegetation cover as well as their restoration during the period after the disturbance was analyzed in the continuous permafrost region of Central Siberia (Central Evenkia). The role of vegetation invading after a disturbance is demonstrated for accumulation of biogenic elements and soil development.

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Держатели документа:
[Prokushkin, S. G.
Bugaenko, T. N.
Prokushkin, A. S.
Shikunov, V. G.] Russian Acad Sci, Sukachev Inst Forests, Siberian Branch, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Prokushkin, S.G.; Bugaenko, T.N.; Prokushkin, A.S.; Shikunov, V.G.

[Текст] / A. S. Isaev, V. G. Soukhovolsky, T. M. Ovchinnikova // Zhurnal Obshchei Biol. - 2008. - Vol. 69, Is. 1. - С. 3-9. - Cited References: 22 . - 7. - ISSN 0044-4596РУБ Biology

Аннотация: Phenomenological models of the forest plantations growth are analyzed. Those derived from the Verhulst's model are shown to fail describing qualitative effects reflecting tree growth, phytomass withdrawals, and plantation restoration. The method of phase portraits is used for exploration of the forest ecosystem dynamics, which allows to describe regulatory mechanisms of the growth processes, regulation delay, and feedback types. A bistable phenomenological model is suggested herewith to characterize dynamic processes in the forest ecosystems. Principal patterns of formation of the forest plantations at different stages of the forest generation processes are considered on the basis of that model, and ecological effects responsible for the plantation dynamics are revealed.

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Держатели документа:
[Isaev, A. S.] RAS, Ctr Forest Ecol & Prod, Moscow 119997, Russia
[Soukhovolsky, V. G.
Ovchinnikova, T. M.] SB RAS, Sukachevs Forest Inst, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Isaev, A.S.; Soukhovolsky, V.G.; Ovchinnikova, T.M.

[Text] / P. A. Tsvetkov // Russ. J. Ecol. - 2004. - Vol. 35, Is. 4. - P224-229, DOI 10.1023/B:RUSE.0000033790.50606.54. - Cited References: 25 . - 6. - ISSN 1067-4136РУБ Ecology

Аннотация: The pyrophytic properties of the larch Larix gmelinii (Rupr.) Rupr. growing in the northern taiga of central Siberia have been studied. It has been found that, although the trees are highly combustible and fire resistance of tree stands is low, the species is highly pyrophytic, which allows it to retain its geographic range. At early stages of postfire successions, the larch exhibits characteristics of pyrogenic explerent and is subject to r-selection. When forest restoration is close to completion, the species passes into the patient state and acquires properties subject to K-selection.

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Держатели документа:
Russian Acad Sci, Sukachev Inst Forestry, Siberian Div, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Tsvetkov, P.A.

[Text] / S. G. Prokushkin [et al.] // Biol. Bull. - 2004. - Vol. 31, Is. 1. - P42-50, DOI 10.1023/B:BIBU.0000014354.31389.6c. - Cited References: 26 . - 9. - ISSN 1062-3590РУБ Biology

Аннотация: It is shown that larch of the prefire generation is the main edificator at the early stages of progressive successions in burned-out areas. Its environment-forming effect manifests itself most strongly in the phytogenic field of living trees, where edaphic conditions similar to those in primary larch forests are formed within ten years after the fire. This is accompanied by an increase in the numbers of microorganisms utilizing organic and mineral nitrogen, as well as in the rate of nitrogen mineralization in plant microgroups of this zone. Hence, living trees remaining in a burned-out area promote restoration of the initial edaphic conditions.

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Держатели документа:
Russian Acad Sci, Siberian Div, Sukachev Inst Forest, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Prokushkin, S.G.; Bugaenko, T.N.; Sorokin, N.D.; Kaverzina, L.N.; Zyryanova, O.A.

[Text] / S. G. Prokushkin, O. A. Zyryanova // Contemp. Probl. Ecol. - 2013. - Vol. 6, Is. 5. - P486-492, DOI 10.1134/S1995425513050132. - Cited References: 38. - This work was financially supported by the Russian Foundation for Basic Research (nos. 09-04-00179, 10-04-00542, and 10-04-01003) and by the Integration Project no. 76 of the Siberian and Far Eastern Branches of the Russian Academy of Sciences. . - 7. - ISSN 1995-4255РУБ Ecology

Аннотация: This article shows the phytocoenotic role of individual postfire trees of the Gmelin larch under conditions of the permafrost zone of Central Siberia. On the basis of the vital state of the trees, the limits of their influence on the recovery of the species of the lower layers of phytocenosis are defined and the formation of the new stand generation is shown.

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Держатели документа:
[Prokushkin, S. G.
Zyryanova, O. A.] Russian Acad Sci, Sukachev Inst Forest, Siberian Branch, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Prokushkin, S. G.; Прокушкин, Станислав Григорьевич; Zyryanova, O. A.; Зырянова, Ольга Александровна; Russian Foundation for Basic Research [09-04-00179, 10-04-00542, 10-04-01003]; Siberian and Far Eastern Branches of the Russian Academy of Sciences [76]

/ A. I. Buzykin, L. S. Pshenichnikova // Geography and Natural Resources. - 2012. - Vol. 33, Is. 1. - P50-56, DOI 10.1134/S1875372812010088 . - ISSN 1875-3728
Аннотация: The resource-ecological potential of forests is represented by the reserves of growing stock and total phytomass. Non-exhaustion forest exploitation can be based on a balance of deafforestation and appropriate regeneration of timber and other forest resources, and efficient protection against fires and other negative impacts for a stable development of the forest complex and for sustained resource and ecological functions of forests. В© 2012 Pleiades Publishing, Inc.

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Держатели документа:
Institute of Forest, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Buzykin, A.I.; Pshenichnikova, L.S.

/ E. N. Valendik [et al.] // Mitigation and Adaptation Strategies for Global Change. - 2006. - Vol. 11, Is. 4. - P883-896, DOI 10.1007/s11027-005-9017-2 . - ISSN 1381-2386
Аннотация: Mechanical treatment and prescribed fire were used to restore a mixed conifer stand (Picea-Abies-Pinus) following mortality from an outbreak of Siberian moth (Dendrolimus superans sibiricus). Moth-killed stands often become dominated by Calamagrostis, a sod-forming grass. The large amount of woody debris and the sod hinder coniferous seedling establishment and development as well as creating conditions favorable to the establishment and propagation of wildfires. Fire has been demonstrated to be an effective method of reducing woody debris and eliminating sod, but the random nature and timing of wildfires often do not create conditions favorable for conifer regeneration. Our study was conducted in a mature fir dominated stand that died during an outbreak 6-8 years previously with most of the dead trees still standing. A bulldozer drove through the stand downing standing snags in late summer with 15-20 m between passes. Snags knocked down by the bulldozer and additional snag fall throughout the following winter increased downed dead wood 50-60% and large downed dead wood 80% compared to an adjacent untreated area. In June, a prescribed fire was set and fuel load consumption averaged 70%. Average soil temperatures during the burn ranged from 47В°C at a depth of 2 cm to 10В°C at 10 cm; hot enough to kill the grass. Following treatment, the potential for wildfire was reduced and the area was suitable for either natural conifer regeneration or planting without further mechanical site preparation. В© Springer 2006.

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Держатели документа:
V.N. Sukachev Institute of Forest, Russian Academy of Sciences, Siberian Branch, Krasnoyarsk, Russian Federation
USDA Forest Service, Northeastern Research Station, Durham, NH 03824, United States
USDA Forest Service, Missoula, MT 59807, United States
USDA Forest Service, Tahoe National Forest, Nevada City, CA 95959, United States

Доп.точки доступа:
Valendik, E.N.; Brissette, J.C.; Kisilyakhov, Y.K.; Lasko, R.J.; Verkhovets, S.V.; Eubanks, S.T.; Kosov, I.V.; Lantukh, A.Yu.

/ A. A. Onuchin, T. A. Burenina // Trends in Water Resour. Res. - 2008. - P67-92 . - ISBN 9781604560381 (ISBN)
Аннотация: There are many aspects of the hydrological role of forest ecosystems. It includes the forest effect on transformation and spatial distribution of precipitation and snow-cover, regulating of runoff, soil evaporation and evapotranspiration. Scientific research in boreal forests of Siberia (Sayn, Prybaikalje, Enisey chain of hills, plateau Putorana) showed that 1-5% of snow is caught by crown of deciduous stands and 10-45% - by crowns of coniferous. As for summer precipitation it was obtained that 8-27% of precipitation is caught by crown of deciduous stands and 15-40% - by crowns of coniferous. Siberian rivers are of global importance as they impact on the fresh water budget of the Arctic Ocean. Formation of Siberian rivers runoff and its season dynamics depends on forest vegetation to a considerable extent. Many rivers of Southern taiga and mountain regions drain areas of land that experienced a dramatic land-cover change, with a decrease in overall forest area and a relative increase in deciduous trees. Land cover change in forest catchments (cutting down, wild fires) impact on water balance and water-protective functions of forest. Scientific research in Prybaikalje showed that restoration of water protective and, in particular, erosion- protective functions of forest after cuttings on separate slopes and in large catchments occur differently. The idea of ranging catchments according to hierarchical levels was used to make a deep analysis of erosion- protective and water- protective forest functions for the territorial units of different ranks. Date obtained by different methods was generalized and the elements of the system analysis and mathematical modeling of water- protective, water- regulating and soil- protective forest functions were used. В© 2008 by Nova Science Publishers, Inc. All rights reserved.

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Держатели документа:
V.N. Sukachev Institute of Forest, Siberian Br., Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Onuchin, A.A.; Burenina, T.A.

[] / O. Masyagina [et al.] // Landslide Sci. Pract.: Global Environ. Change. - 2013. - Vol. 4: 2nd World Landslide Forum, WLF 2011 (3 October 2011 through 9 October 2011, Rome) Conference code: 104240. - P355-360, DOI 10.1007/978-3-642-31337-0-45 . -
Аннотация: In forested ecosystems developed on permafrost, solifluction processes are widespread, occur in years of above average summer-autumn precipitation and can cover up to 20 % of total area of slopes adjacent to rivers. This process is the most destructive natural disturbance event resulting in complete disappearance of initial ecosystems (vegetation cover and soil). To analyze postsliding ecosystem succession, sites of two ages (5 and 35 years old) after solifluction were chosen along with Nizhnyaya (Lower) Tunguska River valley. Results show that regeneration of soil respiration and eco-physiological status of microbial communities in soil during postsolifluction succession starts with vegetation re-establishment. As long as ecosystems regenerate, accumulated litter contains the main pool of microorganisms, though microbial biomass of 35-year-old solifluction area does not reach the value of microbial biomass in control plots. Therefore, forested ecosystems in permafrost zone after landsliding requires decades for final successful restoration of soil respiration and the microbial community. © Springer-Verlag Berlin Heidelberg 2013.

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Держатели документа:
Siberian Branch, V.N. Sukachev Institute of Forest, Russian Academy of Sciences, Akademgorodok 50/28, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Masyagina, O.; Evgrafova, S.; Prokushkin, S.; Prokushkin, A.

/ O. V. Masyagina [et al.] // Russ. J. Ecol. - 2015. - Vol. 46, Is. 1. - P27-35, DOI 10.1134/S1067413615010117 . - ISSN 1067-4136
Аннотация: An analysis of CO2 emissions and soil microbiological activity has been performed in larch stands of different ages that developed on cryogenic soils and represent different stages of post-fire succession. An abrupt increase in the soil emissions of CO2 (by more than 2 times) in young stands (15–30 years old), as well as a decrease of soil-respiration rate at the later stages of pyrogenic successions because of the restoration of the moss-lichen cover and the closure of the stand canopy was seen. Intraseasonal and interannual variations of soil CO2 fluxes were also revealed; however, their dynamics was largely determined by the local conditions.

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Держатели документа:
Sukachev Institute of Forestry, Siberian Branch, Russian Academy of SciencesAkademgorodok, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Masyagina, O.V.; Evgrafova, S.Y.; Titov, S.V.; Prokushkin, A.S.

/ O. V. Trefilova, D. Y. Efimov // Eurasian Soil Sci. - 2015. - Vol. 48, Is. 8. - P792-801, DOI 10.1134/S1064229315080098 . - ISSN 1064-2293
Аннотация: The results of the integrated analysis of changes in the state of vegetation and soils (Cutanic Albeluvisol) at the different stages of natural forest regeneration (4-, 11- and 24-year-old felled areas) and in a mature fir forest of the short grass-green moss forest types in the northern part of the western slope of the Yenisei Ridge are presented. A dynamic trend of fir forests restoration to the formation of the structure characteristics of the initial forest types is shown to be performed through the stages of forest meadows and secondary short grass (forbs) and birch stands. The changes in vegetation are accompanied by the fast transformation of the soil properties towards the improvement of soil fertilization However, these changes are temporary. © 2015, Pleiades Publishing, Ltd.

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Держатели документа:
Sukachev Institute of Forest, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Trefilova, O.V.; Efimov, D.Y.

/ N. E. Sudachkova [et al.] // Contemp. Probl. Ecol. - 2016. - Vol. 9, Is. 5. - P608-616, DOI 10.1134/S1995425516050152 . - ISSN 1995-4255
Аннотация: Controlled burning has been carried out to stimulate moderate ground fire in the Scots pine (Pinus sуlvestris L.) stand (age class I) in the Krasnoyarsk forest steppe at the beginning of the growing season. The structure of annual rings and trophic supply, as well as the cambial zone antioxidant system condition and the content of photosynthetic pigments in the needles of dominant and suppressed trees in the experimental and control plots, were studied 3 h, 5 days, and 2.5 months after the fire. The fire narrowed the annual ring width, since the number and size of early and late tracheids decreased. The primary reaction to pyrogenic heat shock (sharp reduction of chlorophyll content in needles and manifestation of oxidative stress in the stem cambial zone) was an elevated level of hydrogen peroxide and activity of most antioxidant enzymes and a reduction in the nonstructural carbohydrates pool. Restoration of the cambium function after the fire was promoted by an increased activity of amylase, invertase, and peroxidase. © 2016, Pleiades Publishing, Ltd.

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Держатели документа:
Sukachev Institute of Forest, Siberian Branch, Russian Academy of Sciences, Akademgorodok 50/28, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Sudachkova, N. E.; Romanova, L. I.; Astrakhantseva, N. V.; Novoselova, M. V.; Kosov, I. V.

[Текст] : научное издание / Н.Е. Судачкова [и др.] // Сибирский лесной журнал. - 2017. - № : 1. - С. 4-14 : табл., DOI 10.15372/SJFS20170101. - Библиогр. в конце ст. . - ISSN 2311-1410
   Перевод заглавия: Thermostability of antioxidant enzymes in tissues f scots pine in heat shock conditions

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Аннотация: Исследовали образцы хвои из средней части кроны и соскоб прикамбиальной зоны, включающий клетки камбия и нелигнифицированные клетки ксилемы, с пяти стволов 15-летних деревьев из насаждения сосны обыкновенной <i>Pinus sуlvestris</i> L. зеленомошно-разнотравной группы типов леса на дерново-подзолистой почве в Красноярской лесостепи. Изучали термоустойчивость антиоксидантных ферментов: супероксиддисмутазы (СОД), пероксидазы, каталазы, глутатионредуктазы (ГР); ферментов углеводного и фенольного обмена: амилазы, инвертазы и фенилаланин-аммиак-лиазы (ФАЛ), участвующих в обеспечении ксилогенеза; и маркеров окислительного стресса: пероксида водорода и малонового диальдегида (МДА) в интервале температур 20-80 ^оС. Установлено, что положительный эффект от деятельности антиоксидантных ферментов в основном проявляется до 40 ^оС. С повышением температуры антиоксидантная защита ослабевает. Механизмы возникновения окислительного стресса в прикамбиальной зоне и в хвое в условиях пирогенного теплового шока различаются в связи с различной термостойкостью антиоксидантных ферментов в этих тканях. Наиболее чувствительна к повышению температуры каталаза как в прикамбиальной зоне, так и в хвое. В прикамбиальной зоне низкую устойчивость обнаруживают пероксидаза и ГР, тогда как СОД отличается более высоким уровнем термоустойчивости. В хвое, наоборот, пероксидаза и ГР обнаруживают высокую термоустойчивость, а СОД быстро снижает активность при повышении температуры. Амилаза, инвертаза и ФАЛ по термоустойчивости превосходят исследованные антиоксидантные ферменты, что позволяет после пирогенного теплового шока быстро восстановить углеводный и фенольный обмены для обеспечения ксилогенеза.
Samples of needles from the middle part of the crown and cambial zone scrapings, which includes cambium cells and nonlignified xylem cells from five stems of 15 years old Scots pine <i>Pinus sylvestris</i> L. trees from green moss-forb groups stands on sod-podzolic soil in Krasnoyarsk forest steppe were investigated. Thermal stability of the antioxidant enzymes: superoxide dismutase (SOD), peroxidase, catalase, glutathione reductase (GR); enzymes of carbohydrate and phenolic metabolism: amylase, invertase and phenylalanine ammonia-lyase (PAL) which are involved in providing the xylogenesis process; and markers of oxidative stress: peroxide hydrogen and malondialdehyde (MDA) were studied in the temperature interval 20-80 °C. It was found that the positive effect on the antioxidant enzymes activity mainly manifested up to 40 °C. As the temperature increases, antioxidant protection weakens. The mechanisms of oxidative stress in cambium zone and needles in condition of pyrogenic heat shock are distinguished due to different thermal stability of antioxidant enzymes in these tissues. The most sensitive to elevated temperatures was catalase both in cambium zone and needles. In the cambium zone, peroxidase and GR detect low resistance to high temperature, while SOD has a higher level of. In the needles on the contrary, peroxidase and GR exhibit high thermal stability, whereas SOD activity rapidly reduces at higher temperatures. Amylase, invertase and PAL exceed, according to the thermal stability of examined antioxidant enzymes, what allow quick restoration of carbohydrate and phenolic metabolism after pyrogenic heat shock to providing of xylogenesis process.

РИНЦ

Держатели документа:
Институт леса им. В.Н. Сукачева СО РАН

Доп.точки доступа:
Судачкова, Нина Евгеньевна; Sudachkova, Nina Yevgen'yevna; Романова, Людмила Ивановна; Romanova, Lyudmila Ivanovna; Астраханцева, Наталья Владимировна; Astrakhantseva Natal'ya Vladimirovna; Новоселова, Мария Валерьевна; Novoselova M.V.