autumn colours in the fageda d’en jordà beech forest, garrotxa volcanic zone natural park, catalonia

2000 area areas autumn autumnal beech biodiversity biome broadleaf capacity carrying catalonia catalonian community deciduous directive disturbance ecology ecosystem european fageda fagus fall for forest forests garrotxa girona habitat habitats impacts jorda management mature natura natural network park parks plant protected recreational soils sylvatica temperate trees visitor visitors volcanic wild woodlands woods zone