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

/ N. . Kirichenko [et al.] // Biol. Invasions. - 2013. - Vol. 15, Is. 9. - P2105-2113, DOI 10.1007/s10530-013-0436-9. - Cited References: 47. - We thank the managers and botanists of Swiss and Russian arboreta for their cooperation and help, Diethart Matthies for statistical advice, Melanie Bateman and two anonymous reviewers for their comments on the manuscript. This work was supported by the European Union project PRATIQUE (No. 212459), the Swiss National scientific foundation (NSF) (No. IZKOZ3-128854), the Grant of the President of the Russian Federation (MR-7049.2010.4), the Russian Foundation for Basic Research (Grant No. 12-04-31250) and the Krasnoyarsk regional fund of supporting scientific and technological activities (Grant No. 05/12). . - 9. - ISSN 1387-3547РУБ Biodiversity Conservation + Ecology

Аннотация: As predicted by the enemy release hypothesis, plants are supposedly less attacked by herbivores in their introduced range than in their native range. However, the nature of the natural enemies, in particular their degree of specificity may also affect the level of enemy escape. It is therefore expected that ectophagous invertebrate species, being generally considered as more generalists than endophagous species, are more prompt to colonise alien plants. In Swiss, Siberian and Russian Far East arboreta, we tested whether alien woody plants are less attacked by native herbivorous insects than native congeneric woody plant species. We also tested the hypothesis that leaf miners and gall makers show stronger preference for native woody plants than external leaf chewers. In all investigated regions, leaf miners and gall makers were more abundant and showed higher species richness on native woody plants than on congeneric alien plants. In contrast, external leaf chewers did not cause more damage to native plants than to alien plants, possibly because leaf chewers are, in general, less species specific than leaf miners and gall makers. These results, obtained over a very large number of plant-enemy systems, generally support the hypothesis that alien plants partly escape from phytophagous invertebrates but also show that different feeding guilds may react differently to the introduction of alien plants.

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Держатели документа:
[Kirichenko, Natalia
Baranchikov, Yuri] VN Sukachev Inst Forest SB RAS, Krasnoyarsk 660036, Russia
[Pere, Christelle
Schaffner, Urs
Kenis, Marc] CABI, CH-2800 Delemont, Switzerland
Институт леса им. В.Н. Сукачева Сибирского отделения Российской академии наук

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Kirichenko, N...; Pere, C...; Baranchikov, Y...; Schaffner, U...; Kenis, M...

[Text] / R. A. Monserud, N. M. Tchebakova, O. V. Denissenko // Paleogeogr. Paleoclimatol. Paleoecol. - 1998. - Vol. 139, Is. 01.02.2013. - P15-36, DOI 10.1016/S0031-0182(97)00127-2. - Cited References: 72 . - 22. - ISSN 0031-0182РУБ Geography, Physical + Geosciences, Multidisciplinary + Paleontology

Аннотация: A bioclimatic vegetation model is used to reconstruct the palaeoclimate of Siberia during the mid-Holocene, a warm. moist period also known as the Holocene climatic optimum. Our goal is to determine the magnitude of climatic anomalies associated with mapped changes in vegetation classes. Reconstructed anomalies are the logical outcome of the bioclimatic assumptions in the Siberia vegetation model operating on location-specific differences in the palaeomap of Khotinsky and the modern map of Isachenko. The Siberian vegetation model specifics the relationship between vegetation classes and climate using climatic indices (growing-degree days, dryness index, continentality index). These indices are then converted into parameters commonly used in climatic reconstructions: January and July mean temperatures. and annual precipitation. Climatic anomalies since the mid-Holocene are then displayed by latitude and longitude. An advantage of a model-based approach to climatic reconstruction is that grid cells can be modelled independently. without the need for interpolation to create smoothed temperature and precipitation contours. The resulting pattern of anomalies is complex. On average. Siberian winters in the mid-Holocene were 3.7 degrees C warmer than now, with greater warming in higher latitudes. The major winter warming was concentrated in the Taiga zone on the plains and tablelands of East Siberia, where a warm and moist climate was necessary to support a broad expanse of shade-tolerant dark-needled Taiga. January temperatures averaged about 1 degrees C warmer than now across southern Siberia. although large areas show no change. July temperature anomalies (0-5 degrees C) are distributed mostly latitudinally, with anomalies increasing with latitude above 65 degrees N. At latitudes below 65 degrees N, July temperature was nearly the same as today across Siberia. Based on July temperatures. Siberian summers in the mid-Holocene were 0.7 degrees C warmer than today's. Annual precipitation in Siberia was predicted to be 95 mm greater in the mid-Holocene than now. Most of the increase was concentrated in East Siberia (154 mm average increase). The precipitation anomalies are small in the south. Large precipitation anomalies are found in central and northeastern Siberia. This location corresponds rather closely to the large anomalies in January temperature in East Siberia. The annual precipitation Increase was > 200 mm more than present precipitation in Yakutia. This increase corresponds to the deep penetration of moisture-demanding dark-needled species (Pinus sibirica. Abies sibirica, Picea obovata) into East Siberia in the mid-Holocene, where currently only drought-resistant light-needled species (Larix spp.) are found. Another area of increased precipitation was along the Polar Circle in West Siberia and at the base of the Taymyr Peninsula in East Siberia. In combination with 2-5 degrees C warmer summers, moister climates there allowed forests to advance far northward into what is now the Tundra zone.

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Держатели документа:
Forest Serv, Rocky Mt Res Stn, USDA, Portland, OR 97205 USA
Forest Serv, Pacific NW Res Stn, USDA, Portland, OR 97205 USA
Russian Acad Sci, Siberian Branch, Sukachev Forest Inst, Krasnoyarsk 660036, Russia
Moscow State Univ, Dept Geog, Moscow 119899, Russia

Доп.точки доступа:
Monserud, R.A.; Tchebakova, N.M.; Denissenko, O.V.

[Text] / M. V. Skomarkova [et al.] // Trees-Struct. Funct. - 2006. - Vol. 20, Is. 5. - P571-586, DOI 10.1007/s00468-006-0072-4. - Cited References: 55 . - 16. - ISSN 0931-1890РУБ Forestry

Аннотация: We investigated the variability of tree-ring width, wood density and C-13/C-12 in beech tree rings (Fagus sylvatica L.), and analyzed the influence of climatic variables and carbohydrate storage on these parameters. Wood cores were taken from dominant beech trees in three stands in Germany and Italy. We used densitometry to obtain density profiles of tree rings and laser-ablation-combustion-GC-IRMS to estimate carbon isotope composition (delta C-13) of wood. The sensitivity of ring width, wood density and delta C-13 to climatic variables differed; with tree-ring width responding to environmental conditions (temperature or precipitation) during the first half of a growing season and maximum density correlated with temperatures in the second part of a growing season (July-September). delta C-13 variations indicate re-allocation and storage processes and effects of drought during the main growing season. About 20% of inter-annual variation of tree-ring width was explained by the tree-ring width of the previous year. This was confirmed by delta C-13 of wood which showed a contribution of stored carbohydrates to growth in spring and a storage effect that competes with growth in autumn. Only mid-season delta C-13 of wood was related to concurrent assimilation and climate. The comparison of seasonal changes in tree-ring maximum wood density and isotope composition revealed that an increasing seasonal water deficit changes the relationship between density and C-13 composition from a negative relation in years with optimal moisture to a positive relationship in years with strong water deficit. The climate signal, however, is over-ridden by effects of stand density and crown structure (e.g., by forest management). There was an unexpected high variability in mid season delta C-13 values of wood between individual trees (-31 to -24 parts per thousand) which was attributed to competition between dominant trees as indicated by crown area, and microclimatological variations within the canopy. Maximum wood density showed less variation (930-990 g cm(-3) stop). The relationship between seasonal changes in tree-ring structure and C-13 composition can be used to study carbon storage and re-allocation, which is important for improving models of tree-ring growth and carbon isotope fractionation. About 20-30% of the tree-ring is affected by storage processes. The effects of storage on tree-ring width and the effects of forest structure put an additional uncertainty on using tree rings of broad leaved trees for climate reconstruction.

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Держатели документа:
Max Planck Inst Biogeochem, Jena, Germany
Russian Acad Sci, Inst Forest, SB, Krasnoyarsk 660036, Russia
Univ Calif Berkeley, ESPM Dept, Berkeley, CA 94720 USA

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Skomarkova, M.V.; Vaganov, E.A.; Mund, M...; Knohl, A...; Linke, P...; Boerner, A...; Schulze, E.D.

[Text] / P. Y. Groisman [et al.] // Bull. Amer. Meteorol. Soc. - 2009. - Vol. 90, Is. 5. - P671-+, DOI 10.1175/2008BAMS2556.1. - Cited References: 78 . - 19. - ISSN 0003-0007РУБ Meteorology & Atmospheric Sciences

Аннотация: Northern Eurasia, the largest land-mass in the northern extratropics, accounts for similar to 20% of the global land area. However, little is known about how the biogeochemical cycles, energy and water cycles, and human activities specific to this carbon-rich, cold region interact with global climate. A major concern is that changes in the distribution of land-based life, as well as its interactions with the environment, may lead to a self-reinforcing cycle of accelerated regional and global warming. With this as its motivation, the Northern Eurasian Earth Science Partnership Initiative (NEESPI) was formed in 2004 to better understand and quantify feedbacks between northern Eurasian and global climates. The first group of NEESPI projects has mostly focused on assembling regional databases, organizing improved environmental monitoring of the region, and studying individual environmental processes. That was a starting point to addressing emerging challenges in the region related to rapidly and simultaneously changing climate, environmental, and societal systems. More recently, the NEESPI research focus has been moving toward integrative studies, including the development of modeling capabilities to project the future state of climate, environment, and societies in the NEESPI domain. This effort will require a high level of integration of observation programs, process studies, and modeling across disciplines.

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Держатели документа:
[Groisman, Pavel Ya.] NOAA, UCAR, Natl Climat Data Ctr, Asheville, NC 28801 USA
[Clark, Elizabeth A.
Lettenmaier, Dennis P.] Univ Washington, Seattle, WA 98195 USA
[Kattsov, Vladimir M.] Voeikov Main Geophys Observ, St Petersburg, Russia
[Sokolik, Irina N.] Georgia Inst Technol, Atlanta, GA 30332 USA
[Aizen, Vladimir B.] Univ Idaho, Moscow, ID 83843 USA
[Cartus, Oliver
Schmullius, Christiane C.] Univ Jena, Jena, Germany
[Chen, Jiquan] Univ Toledo, Toledo, OH 43606 USA
[Conard, Susan] US Forest Serv, USDA, Arlington, VA USA
[Katzenberger, John] Aspen Global Change Inst, Aspen, CO USA
[Krankina, Olga] Oregon State Univ, Corvallis, OR 97331 USA
[Kukkonen, Jaakko
Sofiev, Mikhail A.] Finnish Meteorol Inst, FIN-00101 Helsinki, Finland
[Machida, Toshinobu
Maksyutov, Shamil] Natl Inst Environm Sci, Tsukuba, Ibaraki, Japan
[Ojima, Dennis] H John Heinz III Ctr Sci Econ & Environm, Washington, DC USA
[Qi, Jiaguo] Michigan State Univ, E Lansing, MI 48824 USA
[Romanovsky, Vladimir E.
Walker, Donald] Univ Alaska, Fairbanks, AK 99701 USA
[Santoro, Maurizio] Gamma Remote Sensing, Gumlingen, Switzerland
[Shiklomanov, Alexander I.
Voeroesmarty, Charles] Univ New Hampshire, Durham, NH 03824 USA
[Shimoyama, Kou] Hokkaido Univ, Sapporo, Hokkaido, Japan
[Shugart, Herman H.
Shuman, Jacquelyn K.] Univ Virginia, Charlottesville, VA USA
[Sukhinin, Anatoly I.] Russian Acad Sci, Forest Inst, Siberian Branch, Krasnoyarsk, Russia
[Wood, Eric F.] Princeton Univ, Princeton, NJ 08544 USA

Доп.точки доступа:
Groisman, P.Y.; Clark, E.A.; Kattsov, V.M.; Lettenmaier, D.P.; Sokolik, I.N.; Aizen, V.B.; Cartus, O...; Chen, J.Q.; Conard, S...; Katzenberger, J...; Krankina, O...; Kukkonen, J...; Machida, T...; Maksyutov, S...; Ojima, D...; Qi, J.G.; Romanovsky, V.E.; Santoro, M...; Schmullius, C.C.; Shiklomanov, A.I.; Shimoyama, K...; Shugart, H.H.; Shuman, J.K.; Sofiev, M.A.; Sukhinin, A.I.; Vorosmarty, C...; Walker, D...; Wood, E.F.