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Biotopes & milieux

Biotope - Typologie Européenne EUNIS

F2.33 - Niveau 4 : Fourrés subalpins mixtes
Description
Communities of the subalpine zone, of the tree-limit, and sometimes of the montane zone, of higher nemoral mountains of the western Alpine system and its associated ranges (Carpathians) mainly of alliances Calamagrostion villosae and Trisetion fusci dominated by tall or medium shrubs, for the most part Rosaceae species (of genera Rubus, Sorbus, Amelanchier, Potentilla), Betula or tall Vaccinium, Salix helvetica, Salix kitaibeliana and grasses Calamagrostis villosa and Deschampsia cespitosa often accompanied by tall herbs characteristic of the subalpine tall herb communities (unit E5.5), or by subalpine heaths, such as the Juniperus nana-Arctostaphylos uva-ursi heaths.
Taxons (Liens actifs si espèces présentes)
Amelanchier Medik., 1789, Betula L., 1753, Calamagrostis villosa (Chaix) J.F.Gmel., 1791, Deschampsia cespitosa (L.) P.Beauv., 1812, Juniperus nana Willd., 1796 [nom. illeg. superfl.], Potentilla L., 1753, Rubus L., 1753 [nom. et typ. cons.], Salix helvetica Vill., 1789, Salix kitaibeliana Willd., 1806, Sorbus L., 1753 [nom. et typ. cons.], Vaccinium L., 1753,
F2.334 - Niveau 5 : Fourrés subalpins à Cerisier
Description
Thickets or scrub of the subalpine zone of the Alps, the Carpathians, the Jura, the Hercynian ranges dominated by shrubby species of genus Prunus or related genera, in particular, Prunus padus ssp. borealis (Padus petraea), often with Sorbus aucuparia ssp. glabrata, Betula carpatica, Lonicera nigra.
Taxons (Liens actifs si espèces présentes)
Betula carpatica Waldst. & Kit. ex Willd., 1805 ( Esp. caract. )
Lonicera nigra L., 1753 ( Esp. caract. )
Padus petraea (Tausch) M.Roem., 1847 ( Esp. caract. )
Prunus L., 1753 ( Esp. caract. )
Prunus padus subsp. borealis Cajander, 1906 ( Esp. caract. )
Sorbus aucuparia subsp. glabrata (Wimm. & Grab.) Cajander, 1906 ( Esp. caract. )
Analyse Ecologie du milieu (En fonction des espèces présentes)