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Biotopes & milieux

Biotope - Typologie Européenne EUNIS

E4.31 - Niveau 4 : Gazons alpiens à Nardus stricta et communautés apparentées
Description
Closed grasslands of deep, acid soils of the Alps, the Carpathians, the Pyrenees, the northern Apennines, the Jura and the higher Hercynian ranges, the northern and central Dinarides, developed mostly and abundantly in the subalpine level and included in the alliance Nardion, dominated or co-dominated by Nardus stricta, Festuca eskia, Festuca nigrescens, Festuca rubra, Alopecurus gerardii, Bellardiochloa violacea (Poa violacea), Carex sempervirens, Anthoxanthum odoratum, Hieracium alpinum, Trommsdorfia uniflora, Potentilla aurea. Similar Nardus stricta grasslands of the Moesian region of the Balkan peninsula, distributed at high elevations of the Balkan Range, the Rhodope Mountains, the Moeso-Macedonian mountains and the Pelagonides, as southern extensions of the Alpigenous communities or as grazing-induced facies of the more varied communities of unit E4.39.
Taxons (Liens actifs si espèces présentes)
Alopecurus gerardi Vill., 1786, Anthoxanthum odoratum L., 1753, Bellardiochloa violacea (Bellardi) Chiov., 1929, Carex sempervirens Vill., 1787, Festuca eskia Ramond ex DC., 1805, Festuca nigrescens Lam., 1788, Festuca rubra L., 1753, Hieracium alpinum L., 1753, Nardus stricta L., 1753, Poa violacea Bellardi, 1792, Potentilla aurea L., 1756, Trommsdorffia uniflora (Vill.) Soják, 1972,
E4.314 - Niveau 5 : Pelouses pyrénéennes fermées à Festuca eskia
Description
Subalpine and lower alpine closed mesophile Festuca eskia grasslands of north-facing slopes (ubacs) and depressions in the Pyrenees with Arnica montana, Ranunculus pyrenaeus, Selinum pyrenaeum, Trifolium alpinum, Campanula barbata, Gentiana punctata, Leucorchis albida, Phyteuma betonicifolium.
Taxons (Liens actifs si espèces présentes)
Arnica montana L., 1753 ( Esp. caract. )
Campanula barbata L., 1759 ( Esp. caract. )
Festuca eskia Ramond ex DC., 1805 ( Esp. caract. )
Gentiana punctata L., 1753 ( Esp. caract. )
Leucorchis albida (L.) E.Mey., 1848 ( Esp. caract. )
Phyteuma betonicifolium Vill., 1785 [nom. nud.] ( Esp. caract. )
Ranunculus pyrenaeus Gouan, 1773 ( Esp. caract. )
Selinum pyrenaeum (L.) Gouan, 1773 ( Esp. caract. )
Trifolium alpinum L., 1753 ( Esp. caract. )
Analyse Ecologie du milieu (En fonction des espèces présentes)
Faible
Forte — nb espèces indicatrices par classe
Salinité