Root systems of forest tree species and their soil-conservation functions on the Krusne hory Mts. slopes disturbed by mining

acer platanoides alnus glutinosa anthropogenic soils arbre forestier cambisol cambisoles cambisols carpinus betulus cation cationes cations czech republic deslizamiento de tierras especies fagus sylvatica forest trees glissement de terrain highlands ion exchange capacity landslides ph del suelo ph du sol pinus sylvestris quercus robur rhizosphere rizosfera root systems sistema radicular sloping land soil chemicophysical properties soil ph soil texture species suelos antropogenicos terre en pente terreno en declive textura del suelo texture du sol volume volumen