Bilberry in mountain areas was characterized by a higher average intensity of fructification and greater height of dwarf shrubs as compared with bilberry in lowlands; at the same time, the weight of a single berry and its diameter were smaller. In the mountains, dwarf shrubs occurred in bigger formations whose density was larger especially in open areas (outside forest stands). The bilberry base in lowland and mountain areas was analysed against the background of a site type of forest and forest density index.

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