The reduction of the areas with larch prevalence and the plantings area expansion with cedar participation as the forest stands part and in the undergrowth based on the different year materials of the forest stands recording in the National Reserve "Stolby" are revealed. It is established that further expansion of the areas with the cedar prevalence will depend on precipitation amount increase. In the next 80-100 years other sorts will receive prevalence in the larch forest stands.
vegetational fluctuation, larch and cedar woods, sort prevalence, undergrowth, relief elements relation
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