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Biotope - Typologie Européenne EUNIS
E1.B - Niveau 3 : Pelouses des sols métallifères
Description
Dry, short grasslands, often rich in lichens and mosses, colonizing western and central European soils with a high content in heavy metals such as zinc and lead, and comprising uniquely adapted species, ecotypes or populations mostly related to, or derived from, otherwise montane, boreomontane or steppic species; heavy metal grasslands of distinctly alpine affinities, though spanning an altitudinal range that extends from the montane level and lowland dealpine stations to the subalpine and alpine levels, are included. Vegetation of alliance Violetalia calaminariae.
Taxons (Liens actifs si espèces présentes)
E1.B5 - Niveau 4 : Pelouses alpines des sols métallifères
Description
Formations of heavy metal soils of the alpine and subalpine levels of the Alps and the Pyrenees, with, among others, Dianthus sylvestris, Galium anisophyllon, Poa alpina, Armeria arenaria, Thlaspi caerulescens, and the very restricted southern Alpine endemic Viola dubyana; they descend to the montane level and occur in some dealpine stations.
Taxons (Liens actifs si espèces présentes)
Armeria arenaria (Pers.) Schult., 1820 ( Esp. caract. )
Dianthus sylvestris auct. non Wulfen, 1786 ( Esp. caract. )
Galium anisophyllon Vill., 1779 ( Esp. caract. )
Poa alpina auct. non L., 1753, sensu Thuill., 1799 ( Esp. caract. )
Thlaspi caerulescens J.Presl & C.Presl, 1819 ( Esp. caract. )
Dianthus sylvestris auct. non Wulfen, 1786 ( Esp. caract. )
Galium anisophyllon Vill., 1779 ( Esp. caract. )
Poa alpina auct. non L., 1753, sensu Thuill., 1799 ( Esp. caract. )
Thlaspi caerulescens J.Presl & C.Presl, 1819 ( Esp. caract. )
Analyse Ecologie du milieu (En fonction des espèces présentes)