Vestnik of Orenburg State Pedagogical University. Electronic Scientific Journal.2016. № 4(20). P. 45—57
03.00.00 BIOLOGICAL SCIENCES
UDC 581.151
Shiryaev Anton Grigorievich, Doctor of Biological Science, Leading researcher
Institute of Plant and Animal Ecology, Ural branch of the Russian Academy of Sciences
LONGITUDINAL CHANGES OF CLAVARIOID-TYPE MYCOBIOTA SPECIES RICHNESS AT OMAN-URAL TRANSECT
Abstract
The article dwells on the longitudinal changes in the variety of clavarioid mycobiota species richness at Oman-Ural transect stretching for 6,300 km from south to north of Eurasia along the 58° E, from 20° to 80° N. The research was carried out in two grids: 1) the ‘‘cells’’ of 10000 km2 in 12 latitude zones (5° latitude each) from the tropical arid deserts of the Arabian Peninsula to the Arctic cryophilic desert of Novaya Zemlya islands; 2) the ‘‘localities’’ of 100 km2 with fifty localities distributed in the same 12 meshes as in the previous grid. The results show that the distribution of clavarioid-type mycobiota along the transect does not meet the latitudinal gradient of diversity in both grids. In both cases, the species variety peaks in the range of latitudes from 50° to 60° N (in the hemiboreal and southern boreal forests), whereas with the reduction of latitude the number of species decreases dramatically. Species variety in the Arctic and tropical deserts is similar. The total number of fungal species in 50 studied localities is 160.
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