Effects of browsing on the condition and development of regeneration of trees in the region of Rychory (KRNAP)
2006
Cermak, P.(Mendelova Zemedelska a Lesnicka Univ., Brno (Czech Republic). Ustav Ochrany Lesu a Myslivosti) E-mail:[email protected] | Grundmann, P.(Mendelova Zemedelska a Lesnicka Univ., Brno (Czech Republic). Ustav Ochrany Lesu a Myslivosti)
The effects of browsing by roe deer and red deer were studied in naturally or artificially regenerated forest stands in the region of Rychory (Krkonose Natioanl Park, Czech Republic) in 2003-2004. Browsing was observed both in winter and summer in 14 couples of plots (one with mechanical protection, one without it) and in one control couple in a preserve for red deer. In both years, winter browsing predominated. As for natural regeneration, silver fir (26% in winter 2003), rowan (36% in winter 2003) and sycamore maple (26% in winter 2004) were the most damaged species. In artificical regeneration, silver fir damage predominated (68% in winter 2003). In the wintering game preserve with a high concentration of red deer, damage to all trees exceeded 40%. In conclusion, artificially regenerated stands were damaged more markedly than naturally regenerated ones. The level of damages increased with the distance from additional feeding devices.
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