autumn
autumnal
biosphere
biotope
branches
carbon fixation
colorful
conservation
ecology
ecosystem
environment
environmental wealth
foliage
forest
forest landscape
forest masses
forest mountains
geophysical conditions
grove
habitat
heritage
hydrological cycle regulation
landscape
legal status
living space
mysterious
national park
natural beauty
natural landscape
natural resources
nature
nature protection
outdoors
park
phytozoogeographic
possible life
protected area
protection
reserve
roots
scientific region
seasonal
seasons
tree
trees
trunks
vegetation
wildlife
wildlife refuge