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Biotope - Typologie Européenne EUNIS
H2.31Niveau 4Éboulis siliceux alpins
↑ Niveau supérieurDescription
Siliceous, cool, damp screes of the subalpine and alpine levels of Alps, Carpathians, Pyrenees and Corsica with Androsace alpina, Achillea nana, Oxyria digyna, Geum reptans, Saxifraga bryoides, Ranunculus glacialis, Linaria alpina, Oreochloa disticha, Silene acaulis. Vegetation of alliance Androsacion alpinae.
Taxons associés
Achillea nana L., 1753Esp. caract.Androsace alpina Gaudin, 1828Esp. caract.Geum reptans L., 1753Esp. caract.Linaria alpina (L.) Mill., 1768Esp. caract.Oreochloa disticha (Wulfen) Link, 1827Esp. caract.Oxyria digyna (L.) Hill, 1768Esp. caract.Ranunculus glacialis L., 1753Esp. caract.Saxifraga bryoides L., 1753Esp. caract.Silene acaulis (L.) Jacq., 1762Esp. caract.
H2.313Niveau 5Éboulis à Luzule marron
Habitat sélectionnéDescription
Humid, humus-rich siliceous screes of the Alps, the Carpathians and the Rhodope Mountains, on slopes long-covered with snow, carpeted by the alpine woodrush, Luzula alpinopilosa, accompanied by a cortège that constitutes an ecological variant of the snow patch communities of unit E4.11, characterized by a stronger representation of scree species of the Androsasetalia.
Taxons associés
Luzula alpinopilosa (Chaix) Breistr., 1947Esp. caract.
Analyse écologique du milieu
(en fonction des espèces présentes)