Condition of wood species and reproduction of oak forest in zone of forest steppe

In the article there were considered aspects tracking the history of oak stands' degradation on the territory of Russia, as well as key factors for degradation of oak trees crowns and transformation of oak forests into deciduous formations with no oak participation in the naturally forming plantations. Two main tasks are discussed in the article: presentation of experimental evidence for oak degradation and transformation of oak forests into mixed deciduous plantation with minimal oak participation in the stands composition or with its zero participation; provision of information to forestry experts and organizations on the researches made by the Forestry Institute under the Academy of Sciences. Those researches deal with the development of a system targeted at the intensive reproduction of highly productive oak plantations which would allow to grow trees stands having 8-10 oak species in their composition and to provide a possibility to vary plantations' structure depending on the their intended use...