Communities structure displayed by pathogenic polypore fungi types in oak groves of various viability levels

Abstract

The paper focuses on the study of composition and species correlation in typical specific communities of nemoral biocenoses with Quercus robur L. Species of various viability levels growing in the south-west of Central Russian Upland have been examined. Three polypore fungi types living on oaks have been found to make up the characteristic combination of species in dendro-trophic pathogenic polypore fungi communities growing on oaks in upland and ravine groves, namely, Fistulina hepatica, Laetiporus sulphureus, Fomitiporia robusta. These ones are constant species in the communities’ composition, displaying the highest dominance in terms of population, with 44.9%, 28.8%, 20.4%, respectively, in upland groves, and 45.0%, 26.3%, 20.5%, respectively, in ravine groves. F. hepatica is an indicator species which characterizes the vitality of oak stand: the higher dominance is displayed by the species, the poorer is oak stand condition.

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