СООТНОШЕНИЕ ОБЪЕМОВ ГРИБА И ДРЕВЕСНЫХ ТКАНЕЙ В ЭКТОМИКОРИЗНЫХ КОРНЯХ ХВОЙНЫХ

ISSN: 0024-1148 Russian Journal of Forest Science. 2015, No. 2, pp. 140-146 MODELLING OF LATERAL DISTRIBUTION OF TREE ROOTS OF VARIOUS FOREST TYPES D. V. Veselkin Ural Federal University named after the fi rst President of Russia B.N.Yeltsin Mira st. 19, Ekaterinburg, 620002, Russia E-mail: denis_v@ipae.uran.ru Received 11 November 2013 Two independent datasets from measurements of the sizes and volumetric ratios of hyphal sheaths and ectomycorrhizal roots of Abies sibirica , Abies spp., Picea obovata , Picea abies , Pinus sylvestris . According to both datasets roots and hyphal sheaths of firs are larger than of pines and spruces, however no differences in sizes of symbiotes between representatives of the three tree genera were observed. Our measured average partial volumes of hyphal sheath are 21% for Abies sibirica , 20% for Picea obovata , and 21% for Pinus sylvestris . Calculations of average partial volume of hyphal sheaths based on data of side authors differ, with 25% for species of Abies genus, 22% for Picea abies , and 24% for Pinus sylvestris . Keywords: Abies spp., Picea spp., Pinus sylvestris, ectomycorrhizal root, hyphal sheath. REFERENCES Begon M., Harper J., Townsend K., Ekologiya. Osobi, populyatsii i soobshchestva (Ecology: Individuals, Populations and Communities), Moscow: Mir, 1989, Vol. 2. p. 477. Veselkin D.V., Struktura ektomikoriz sosny obyknovennoi v svyazi s konkurentsiei drevostoya (Structure of the ectomycorrhizal of common pine in relation with the root competition of stand), In: Geneticheskie i ekologicheskie issledovaniya v lesnykh ekosistemakh (Genetic and ecological researches in forest ecosystems), Ekaterinburg: Izd-vo UrO RAN, 2001, pp. 113–126 (p. 127). 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