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In forest and game management there is frequently controversy about the right measurement category for quantifying the impact of wild ungulates on forest regeneration. This paper tries to describe under which circumstances it is appropriate to determine the browsing percentage and under which circumstances it is preferable to make an analysis of the stem number. The limitations of the two approaches are also described. To quantify the impact of ungulates over a large area, determining the browsing percentage (browsed trees in proportion to the totality of young trees) is the most appropriate, it allows the impact of browsing on the development of the stem number to be monitored. Undesirable developments can be detected early. If the stem number in a particular size category of a certain tree species begins to decrease, this is defined as a critical point. To identify browsing damage however, the stem number should be analyzed. Such an analysis should only be performed in forest stands where regeneration i...

schweizerische zeitschrift für forstwesen/schweizerische zeitschrift f[ü]r forstwesen

Wildtiereinfluss auf die Waldverjüngung messen: mit Stammzahlen oder mit dem Verbissprozent? | Which measurement category for quantifying the impact of wild ungulates on forest regeneration: stem number or browsing percentage?