41.B3Niveau 4Bois de Bouleaux montagnards et subalpins
↑ Niveau supérieur
Description
Birch stands of the montane and sub-alpine levels of the Alps, the Apennines, the Pyrenees, the Jura and the Hercynian ranges, mostly sub-climax formations of stations with anomalous edaphic and microclimatic conditions.
Taxons associés
Aucun taxon référencé.
41.B33Niveau 5Bois de Bouleaux pyrénéens
Habitat sélectionné
Description
Birch-dominated formations of the Pyrenees, locally frequent in all vegetation levels.