Calculation of mature and overmature forest felling norms in terms of various wood cutting techniques application

The prescribed cut is a standard of a persistent, inexhaustible,rational use of timber. It is estimated at each type of felling within the utility section. The integration of uncomplete fellings of mature, overmature forest into the one group of selective felling by new law has practically removed the differences in calculation of norms of use of timber for different sorts of fellings. The last one does not correspond to the principe of sustainable forestry.