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] / J. . SUOMELA, V. . OSSIPOV, E. . HAUKIOJA // J. Chem. Ecol. - 1995. - Vol. 21, Is. 10. - P1421-1446, DOI 10.1007/BF02035143. - Cited References: 81 . - 26. - ISSN 0098-0331РУБ Biochemistry & Molecular Biology + Ecology

Аннотация: Leaf quality of the mountain birch (Betula pubescens ssp. tortuosa) for herbivores was studied at several hierarchical levels: among trees, among ramets within trees, among branches within ramets, and among short shoots within branches. The experimental units at each level were chosen randomly. The indices of leaf quality were the growth rate of the larvae of a geometrid, Epirrita autumnata, and certain biochemical traits of the leaves (total phenolics and individual phenolic compounds, total carbohydrates and individual sugars, free and protein-bound amino acids). We also discuss relationships between larval growth rate and biochemical foliage traits. Larval growth rates during two successive years correlated positively at the level of tree, the ramet, and the branch, indicating that the relationships in leaf quality remained constant between seasons both among and within trees. The distribution of variation at different hierarchical levels depended on the trait in question. In the case of larval growth rate, ramets and short shoots accounted for most of the explained variation. In the case of biochemical compounds, trees accounted for most of the variance in the content of total phenolics and individual low-molecular-weight phenolics. In the content of carbohydrates (total carbohydrates, starch, fructose, glucose, and sucrose) and amino acids, variation among branches was generally larger than variation among trees. Variation among ramets was low for most compounds. No single leaf trait played a paramount role in larval growth. Secondary compounds, represented by phenolic compounds, or primary metabolites, particularly sugars, may both be important in determining the suitability of birch leaves for larvae. If phenols are causally more important, genet-specific analyses of foliage chemistry are needed. If sugars are of primary importance, within-genet sampling and analysis of foliage chemistry are necessary.

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TURKU UNIV,KEVO SUBARCTIC RES STN,SF-20500 TURKU,FINLAND
INST FOREST,KRASNOYARSK 660036,RUSSIA

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SUOMELA, J...; OSSIPOV, V...; HAUKIOJA, E...