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Biotopes & milieux

Biotope - Typologie CORINE

37.2 - Niveau 3 : Prairies humides eutrophes
Description
Meadows developed on moderately to very nutrient-rich, alluvial or fertilized, wet or damp soils, often inundated at least in winter, and relatively lightly mowed or grazed, in lowland, collinar and montane western and central Europe, south to western Iberia. They form a transition between the false oatgrass mesophile meadows, the oligotrophic Molinion formations and the small sedge and large sedge communities. They include a large number of distinctive and often species-rich communities, many of which harbour specialized, rare and threatened species of plants and animals.
Taxons (Liens actifs si espèces présentes)
Acer sp., Agrostis stolonifera L., 1753, Agrostis stolonifera subsp. stolonifera L., 1753, Angelica sylvestris L., 1753, Argentina anserina subsp. anserina (L.) Rydb., 1899, Bistorta officinalis Delarbre, 1800, Calamagrostis canescens (Weber) Roth, 1789, Carex lasiocarpa Ehrh., 1784, Cirsium arvense (L.) Scop., 1772, Cladonia sp., Cynosurus cristatus L., 1753, Eleocharis palustris (L.) Roem. & Schult., 1817, Elytrigia repens subsp. repens (L.) Desv. ex Nevski, 1934, Festuca arundinacea subsp. arundinacea Schreb., 1771, Festuca rubra subsp. litoralis (G.Mey.) Auquier, 1968, Festuca rubra subsp. rubra L., 1753, Filipendula ulmaria (L.) Maxim., 1879, Galium palustre subsp. palustre L., 1753, Glyceria fluitans (L.) R.Br., 1810, Juncus gerardi Loisel., 1809, Leontodon autumnalis L., 1753, Ligularia sibirica (L.) Cass., 1823, Lolium perenne L., 1753, Lotus pedunculatus Cav., 1793, Mentha arvensis L., 1753, Polygonum amphibium L., 1753, Pomatoschistus sp., Potentilla anserina L., 1753, Potentilla reptans L., 1753, Ranunculus flammula var. flammula L., 1753, Ranunculus repens L., 1753, Ranunculus repens var. repens L., Rhinanthus angustifolius subsp. grandiflorus (Wallr.) D.A.Webb, 1972, Rorippa amphibia (L.) Besser, 1821, Rumex crispus var. crispus L., 1753, Silene flos-cuculi (L.) Clairv., 1811, Stachys palustris subsp. palustris L., 1753, Teucrium scordium subsp. scordioides (Schreb.) Arcang., 1882, Trifolium fragiferum L., 1753, Trifolium repens subsp. repens L., 1753, Veronica serpyllifolia subsp. serpyllifolia L., 1753,
37.23 - Niveau 4 : Prairies subcontinentales à Cnidium
Description
Moist-soil, flood-subjected meadows of river valleys under continental or subcontinental climatic conditions, with Cnidium dubium, Viola persicifolia, Allium angulosum, Iris sibirica, Oenanthe lachenalii, O. silaifolia, Gratiola officinalis, Juncus atratus, Leucojum aestivum, Carex praecox var. suzae, Lythrum virgatum.
Taxons (Liens actifs si espèces présentes)
Allium angulosum L., 1753 ( Comb. caract. )
Inula britannica subsp. britannica L., 1753 ( Comb. caract. )
Kadenia dubia (Schkuhr) Lavrova & V.N.Tikhom., 1986 ( Comb. caract. )
Sanguisorba officinalis L., 1753 ( Comb. 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