Biotope - Typologie Européenne EUNIS

G3.1BNiveau 4Pessières subalpines des Alpes et des Carpates
↑ Niveau supérieur
Description
Picea abies forests of the lower subalpine level, and of anomalous stations in the montane level, of the outer, intermediate and inner Alps; in the latter, they are often in continuity with the montane spruce forests of unit G3.1C. The spruces, often stunted or columnar, are accompanied by an undergrowth of decidedly subalpine affinities. Picea abies forests of the lower subalpine level of the Carpathians.
Taxons associés
G3.1B2Niveau 5Pessières subalpines à hautes herbes
Habitat sélectionné
Description
Tall-herb rich, hygrophile or meso-hygrophile, Picea abies forests of high altitude stations of the Alps, subjected to prolonged snow cover and frequent fogs, with Adenostyles spp., Chaerophyllum hirsutum, Peucedanum ostruthium, Ranunculus aconitifolius, Aconitum vulparia, Aconitum paniculatum, Stellaria nemorum, Geranium sylvaticum, Cicerbita alpina.
Taxons associés
Aconitum paniculatum auct. non Lam., 1779Esp. caract.Aconitum vulparia Rchb., 1819Esp. caract.Adenostyles Cass., 1816Esp. caract.Chaerophyllum hirsutum auct. non L., 1753, sensu H.J.CosteEsp. caract.Cicerbita alpina (L.) Wallr., 1822Esp. caract.Geranium sylvaticum L., 1753Esp. caract.Peucedanum ostruthium (L.) W.D.J.Koch, 1824Esp. caract.Picea abies (L.) H.Karst., 1881Esp. caract.Ranunculus aconitifolius L., 1753Esp. caract.Stellaria nemorum L., 1753Esp. caract.
Analyse écologique du milieu (en fonction des espèces présentes)
Faible
Forte — nb espèces indicatrices par classe
Humidité
Réaction du sol (pH)
Nutriments
Lumière
Matière organique
Granulométrie
Salinité