Vasilevsky O. Oak-spruce trees stands of Podillya region and optimization of their cultivation

The object is the grown and development peculiarities of artificial oak-spruce plantations; the aim is on the base of oak-spruce plantations growth peculiarities investigations the forest management approach concerning their planting efficiency elevation develop; methods - forestry, taxation, biometrical, mathematical statistics, program-technological complex Field-Map; the new approach - for the first time for the Podolia conditions the distribution of oak-spruce plantations was determined; the new data concerning interaction between oak and spruce in a forest stands in dependence on their age, composition, thickness and features of establishing were obtained; the optimal composition of oak-spruce artificial stands was determined; the age of spruce cutting carrying out with consideration of a state and composition oak-spruce plantations was determined; the opportunity of successful natural regeneration of oak in oak-spruce plantations after spruce-trees ablating was proved; the main include - the distribution of oak-spruce plantations in the Podolia was determined; the optimal schemas of oak-spruce plantations establishing in the Podolia were proposed; the dynamics of the areas, stocks and compositions of plantations with spruce participation in region was analyzed; the recommendations be relative by a regime of carry out cutting of in oak-spruce plantations were developed; the field is forestry.