Olga I. Soil micromycetes and algae of the forest stands in southern part of the Eastern Forestial Steppe of Ukraine

The dissertation contains data on species diversity of soil mycobiota and phytoedaphon in forest stands at pine terrase of Severskiy Donetz river. The methods of investigation included floristics, cultivation techniques and variative statistics. For the first time the conjoint changes of mycobiota and algaeflora systematic sctructure under the influence of forest type and humidity was shown in stands which were grown in the same climate zone on the identical soil type. The species contents were also compared in pine stands injuried with Heterobasidion annosum and resistable to the patogen. The fields of application are botany, mycology and plant ecology.