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Biotope - Typologie Européenne EUNIS
G1.A4 - Niveau 4 : Forêts de ravin et de pente
Description
Cool, moist forests with a multispecific tree layer (especially maples Acer spp., lime Tilia spp., ash Fraxinus spp. ) of variable dominance, most often on more or less abrupt slopes. They are of considerable biohistorical and biogeographical importance, as examples of the mixed forests of the Atlantic period, preserved in stations inaccessible to beech domination. Vegetation of alliance Tilio-Acerion.
Taxons (Liens actifs si espèces présentes)
G1.A43 - Niveau 5 : Forêts de pente mixtes périalpines à Fraxinus et Acer pseudoplatanus
Description
Mixed forests of Acer pseudoplatanus, Fraxinus excelsior and Ulmus glabra, developed on colluvial deep soils at the foot of very rainy slopes and on rarely inundated river sediments of the submontane to high montane levels of the northern pre-Alps and their piedmont, with Prunus avium, Prunus padus, Alnus incana, Alnus glutinosa, Fagus sylvatica, Carpinus betulus, Quercus robur, Corylus avellana, Mercurialis perennis, Aegopodium podagraria, Cirsium oleraceum, Deschampsia cespitosa, Filipendula ulmaria, Carex pendula, Equisetum telmateia, Matteuccia struthiopteris, Primula elatior, Brachypodium sylvaticum, Cardamine trifolia, Carex sylvatica, Paris quadrifolia, Stachys sylvatica.
Taxons (Liens actifs si espèces présentes)
Acer pseudoplatanus L., 1753 ( Esp. caract. )
Aegopodium podagraria L., 1753 ( Esp. caract. )
Alnus glutinosa (L.) Gaertn., 1790 ( Esp. caract. )
Alnus incana (L.) Moench, 1794 ( Esp. caract. )
Brachypodium sylvaticum (Huds.) P.Beauv., 1812 ( Esp. caract. )
Cardamine trifolia L., 1753 ( Esp. caract. )
Carex pendula Huds., 1762 ( Esp. caract. )
Carex sylvatica Huds., 1762 ( Esp. caract. )
Carpinus betulus L., 1753 ( Esp. caract. )
Cirsium oleraceum (L.) Scop., 1769 ( Esp. caract. )
Corylus avellana L., 1753 ( Esp. caract. )
Deschampsia cespitosa (L.) P.Beauv., 1812 ( Esp. caract. )
Equisetum telmateia Ehrh., 1783 ( Esp. caract. )
Fagus sylvatica L., 1753 ( Esp. caract. )
Filipendula ulmaria (L.) Maxim., 1879 ( Esp. caract. )
Fraxinus excelsior L., 1753 ( Esp. caract. )
Matteuccia struthiopteris (L.) Tod., 1866 ( Esp. caract. )
Mercurialis perennis L., 1753 ( Esp. caract. )
Paris quadrifolia L., 1753 ( Esp. caract. )
Primula elatior (L.) Hill, 1765 ( Esp. caract. )
Prunus avium (L.) L., 1755 ( Esp. caract. )
Prunus padus L., 1753 ( Esp. caract. )
Quercus robur L., 1753 ( Esp. caract. )
Stachys sylvatica L., 1753 ( Esp. caract. )
Ulmus glabra Mill., 1768 ( Esp. caract. )
Aegopodium podagraria L., 1753 ( Esp. caract. )
Alnus glutinosa (L.) Gaertn., 1790 ( Esp. caract. )
Alnus incana (L.) Moench, 1794 ( Esp. caract. )
Brachypodium sylvaticum (Huds.) P.Beauv., 1812 ( Esp. caract. )
Cardamine trifolia L., 1753 ( Esp. caract. )
Carex pendula Huds., 1762 ( Esp. caract. )
Carex sylvatica Huds., 1762 ( Esp. caract. )
Carpinus betulus L., 1753 ( Esp. caract. )
Cirsium oleraceum (L.) Scop., 1769 ( Esp. caract. )
Corylus avellana L., 1753 ( Esp. caract. )
Deschampsia cespitosa (L.) P.Beauv., 1812 ( Esp. caract. )
Equisetum telmateia Ehrh., 1783 ( Esp. caract. )
Fagus sylvatica L., 1753 ( Esp. caract. )
Filipendula ulmaria (L.) Maxim., 1879 ( Esp. caract. )
Fraxinus excelsior L., 1753 ( Esp. caract. )
Matteuccia struthiopteris (L.) Tod., 1866 ( Esp. caract. )
Mercurialis perennis L., 1753 ( Esp. caract. )
Paris quadrifolia L., 1753 ( Esp. caract. )
Primula elatior (L.) Hill, 1765 ( Esp. caract. )
Prunus avium (L.) L., 1755 ( Esp. caract. )
Prunus padus L., 1753 ( Esp. caract. )
Quercus robur L., 1753 ( Esp. caract. )
Stachys sylvatica L., 1753 ( Esp. caract. )
Ulmus glabra Mill., 1768 ( Esp. caract. )
Analyse Ecologie 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