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Biotope - Typologie Européenne EUNIS
D4.13 - Niveau 4 : Bas-marais subcontinentaux à Carex davalliana
Description
Diverse, often extensive, calcareous fen communities of Central Europe, with Carex davalliana, Carex hostiana, Carex lepidocarpa, Carex capillaris, Carex panicea, Carex nigra, Carex demissa, Carex flava, Carex pulicaris, Eriophorum latifolium, Blysmus compressus, Schoenus ferrugineus, Eleocharis quinqueflora, Juncus articulatus, Juncus subnodulosus, Scirpus cespitosus, Molinia caerulea, Tofieldia calyculata, Allium schoenoprasum, Potentilla erecta, Swertia perennis, Primula farinosa, Parnassia palustris, Pinguicula vulgaris and a moss layer often dominated by brown mosses. They have their greatest species diversity in Alpine and peri-Alpine regions, and are represented by impoverished outlyers north to the middle European Hercynian system. Small sedges are usually abundant and dominance may be mixed or achieved by species of genus Carex, in particular, Carex davalliana, by Eriophorum latifolium or by Scirpus cespitosus. Vegetation of alliances Caricion davallianae and Sphagno warnstorfiani-Tomenthypnion.
Taxons (Liens actifs si espèces présentes)
Allium schoenoprasum L., 1753, Blysmus compressus (L.) Panz. ex Link, 1827, Carex capillaris Leers, 1775, Carex davalliana Sm., 1800, Carex demissa Vahl ex Hartm., 1820 [nom. illeg. hom.], Carex flava L., 1753, Carex hostiana DC., 1813, Carex L., 1753, Carex lepidocarpa Tausch, 1834, Carex nigra All., 1785, Carex panicea L., 1753, Carex pulicaris L., 1753, Eleocharis quinqueflora (Hartmann) O.Schwarz, 1949, Eriophorum latifolium Hoppe, 1800, Juncus articulatus L., 1753, Juncus subnodulosus Schrank, 1789, Molinia caerulea (L.) Moench, 1794, Parnassia palustris L., 1753, Pinguicula vulgaris L., 1753, Potentilla erecta (L.) Raeusch., 1797, Primula farinosa auct. non L., 1753, Schoenus ferrugineus Krock., 1787, Scirpus cespitosus L., 1753, Swertia perennis L., 1753, Tofieldia calyculata (L.) Wahlenb., 1812,
D4.132 - Niveau 5 : Bas-marais à Laîche de Davall et Scirpe en touffe
Description
Generally impoverished Scirpus cespitosus-dominated facies of Davall sedge fens. Common companions are Carex davalliana, Parnassia palustris, Potentilla erecta and the mosses Campylium stellatum, Drepanocladus intermedius.
Taxons (Liens actifs si espèces présentes)
Campylium stellatum (Hedw.) Lange & C.E.O.Jensen ( Esp. caract. )
Carex davalliana Sm., 1800 ( Esp. caract. )
Drepanocladus intermedius (Lindb.) Warnst., 1903 ( Esp. caract. )
Parnassia palustris L., 1753 ( Esp. caract. )
Potentilla erecta (L.) Raeusch., 1797 ( Esp. caract. )
Scirpus cespitosus L., 1753 ( Esp. caract. )
Carex davalliana Sm., 1800 ( Esp. caract. )
Drepanocladus intermedius (Lindb.) Warnst., 1903 ( Esp. caract. )
Parnassia palustris L., 1753 ( Esp. caract. )
Potentilla erecta (L.) Raeusch., 1797 ( Esp. caract. )
Scirpus cespitosus L., 1753 ( 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