When do the first peasants cut down forests and establish pastures and fields?
- in neolitic time
- in Middle Ages
- in cambrium
When were colonized foothills and mountain regions?
- in Middle Ages
- in neolite
- in perm
alder, sedge, yellow flag belong to community
- alder forests
- floodplain forests
- oak-hornbeam forests
Where can be foundthe warmest regions of Bohemia and Moravia
- in thermophilic oak forests
- in oak-hornbeam forests
- in alder forests
Which community occurs on steep stony slopes?
- scree forests
- beech forests
- alder forests
Above so called upper forest border dominates...
- pine scrub
- spruce
- fir
Reeds belong to community
- waters and wetlands
- peatbogs
- montain spruce forests
Creeping thistle, false oats grass, marigold, horsetail belong to community
- meadows and pastures
- cereals
- grass
meadow brome, feather grass belong to community
- xerotherm grass community
- meadows and pastures
- alder forests
Dominant tree on acid rocks – granite, gneiss - is
- sessile oak
- beech
- maple