Biotope - Typologie Européenne EUNIS

G3.E5Niveau 4Pessières à Sphaignes némorales
↑ Niveau supérieur
Description
Picea abies woods rich in sphagnum and other wetness indicators, occupying fens or swamps at the periphery of raised bogs, as well as waterlogged soils in acidophilous spruce woods, frequent particularly in the montane and subalpine levels of hills and mountains of the high-precipitation areas of the Alpine periphery and in the lowlands at the edge of the spruce wood region of the boreal zone.
Taxons associés
G3.E51Niveau 5Pessières à Sphaignes périalpines
Habitat sélectionné
Description
Montane and subalpine peaty soils Picea abies forests of the Alps, the Carpathians, the Jura, the great Hercynian ranges, and, very locally, the Dinarides, often dense, carpeted with sphagnum and mosses, accompanied occasionally by Abies alba, and with an understorey of Sorbus aucuparia, Vaccinium myrtillus, Vaccinium vitis-idaea, Deschampsia flexuosa, Calamagrostis villosa, Blechnum spicant, Dryopteris dilatata, Maianthemum bifolium, Homogyne alpina and Listera cordata.
Taxons associés
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