Relationships between browsing damage and the species dominance by the highly food-attractive and less food-attractive trees
2011
Cermak, P.,Mendelova Univ., Brno (Czech Republic). Ustav Ochrany Lesu a Myslivosti | Beranova, P.,Mendelova Univ., Brno (Czech Republic). Ustav Ochrany Lesu a Myslivosti | Oralkova, J.,Mendelova Univ., Brno (Czech Republic). Ustav Ochrany Lesu a Myslivosti | Horsak, P.,Mendelova Univ., Brno (Czech Republic). Ustav Ochrany Lesu a Myslivosti | Plsek, J.,Mendelova Univ., Brno (Czech Republic). Ustav Ochrany Lesu a Myslivosti
The paper analyses data on the browsing damage to Acer pseudoplatanus, Carpinus betulus, Fraxinus excelsior, Quercus spp., Tilia cordata and Fagus sylvatica. Field research was carried out in the period 2007-2010 and analysed data came from 33 transects at 10 localities with the various abundance of game in the CR (Capreolus capreolus everywhere, on several plots also Cervus elaphus, Ovis musimon or Dama dama). Trees were monitored up to a height of 150 cm in natural regeneration under stands and in plantations, and the occurrence was noted of new browsing damage. Differences between the percentage of damaged individuals of the given species of a food-attractive species (A. p., C. b., F. e.) and the percentage of damaged individuals of all tree species on a transect as well as the proportion of these parameters correlate negatively with the given species dominance and thus, they appear to be suitable parameters for the analysis of relationships between the damage intensity and dominance. The higher the percentage proportions of highly food-attractive species and the lower the percentage of less-attractive species, the lower the relative intensity of damage to highly food-attractive species. At the same time, the higher the percentage proportion of highly food-attractive species and the lower the percentage of less-attractive species then the lower a difference between damage to less food-attractive species and all species.
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