Clavarioid fungi of the tundra and forest-tundra zones of Kola Peninsula (Murmansk Region)

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  • A. G. Shiryaev
    Institute of Plant and Animal Ecology, Ural Branch of the Russian Academy of Sciences

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  • Клавариоидные грибы тундровой и лесотундровой зон Кольского полуострова (Мурманская область)

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<jats:p>Fifty six species of clavarioid fungi from 14 genera are noted in the high-latitude areas of Kola Peninsula, among them 55 species being noted in forest-tundra and 30 in southern tundra. Two species (Mucronella flava and Ramaria testaceoflava) are recorded in the Russian forest-tundra zone for the first time. Like in all high-altitude areas of Eurasia, the greatest species richness is distinguished for the genus Typhula (19 species), and 3 largest genera Typhula, Ramaria and Clavaria make in total 53.6% of all revealed taxa. The species/genus ratio in forest-tundra is 4.0, and in southern tundra 3.7. The levels of species richness, diversity (Shannon's index) and domination (Simpson's index) are similar to those for other European high-latitude areas, however somewhat differ from similar parameters for Polar Urals and Yamal Peninsula. Saprotrophic species on grass litter Typhula variabilis, T. lutescens and T. sclerotioides are the most abundant. In comparison with other high-latitude complexes, the role of soil-inhabiting saprotrophs (Clavulina cinerea, Clavaria argillacea, C. falcata) is significant on Kola Peninsula. Wood-decaying species are noted only in forest-tundra.</jats:p>

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