Vegetation Tier

Vegetation tier represents biocenological (geobiocenological) building unit, which reflects the influence of climate on the composition of biota of chtonophytic synusia (geobiocenoses) and which is determined by this composition. Vegetattion tiers are differentiated by species that are in the first place trees, or. shrub determinants of main canopy level of indigenous forest and shrubs communities and all chtonophytes, that react decisively to the length of the growing season and the negative effects of climate. This means that vegetation tiers are determinated according to presence and expressions of living trees. There are 10 vegetation zones The bearers of vegetation tiers in the CR are following tree species: oak (Quercus petraea), beech (Fagus sylvatica), fir (Abies alba), a Norway spruce (Picea abies) and mountain dwarf pine (Pinus mugo), under which vegetation tiers are named, and due to dominance of particular tree species in vegetation tiers.distinguish degrees:1.Oak2.Beech-oak3.Oak-beech4.Beech5.Fir-beech6.Spruce-beech7.Beech-spruce8.Spruce9.dwarf pine10.alpine