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Biotopes & milieux

Biotope - Typologie Européenne EUNIS

E1.28 - Niveau 4 : Pelouses calcaréo-siliceuses d'Europe centrale
Description
Low-altitude middle European xerophile, rupicolous or psammophilous, grasslands of slightly calcareous substrates, with Festuca heteropachys, Festuca trachyphylla, Koeleria macrantha (Koeleria gracilis), Phleum phleoides, Luzula campestris, Dianthus deltoides, Jasione montana, Agrostis tenuis, Potentilla erecta, Armeria elongata, Artemisia campestris, Aster linosyris, Lychnis viscaria, Silene otites, Silene nutans, Chamaespartium sagittale, Campanula patula, Potentilla rupestris, Helianthemum nummularium ssp. obscurum, Helianthemum apenninum, Scleranthus perennis, Allium senescens ssp. montanum.
Taxons (Liens actifs si espèces présentes)
Agrostis tenuis Sibth., 1794, Allium senescens subsp. montanum (Fr.) Holub, 1970, Armeria elongata (Hoffm.) W.D.J.Koch, 1823, Artemisia campestris L., 1753, Aster linosyris (L.) Bernh., 1800, Campanula patula L., 1753, Chamaespartium sagittale (L.) P.E.Gibbs, 1968, Dianthus deltoides L., 1753, Festuca heteropachys (St.-Yves) Patzke ex Auquier, 1973, Festuca trachyphylla (Hack.) Krajina, 1930 [nom. illeg. hom.], Helianthemum apenninum (L.) Mill., 1768, Helianthemum nummularium subsp. obscurum (ÄŒelak.) Holub, 1964, Jasione montana L., 1753, Koeleria gracilis Pers., 1805, Koeleria macrantha (Ledeb.) Schult., 1824, Luzula campestris (L.) DC., 1805, Lychnis viscaria L., 1753, Phleum phleoides (L.) H.Karst., 1880, Potentilla erecta (L.) Raeusch., 1797, Potentilla rupestris L., 1753, Scleranthus perennis L., 1753, Silene nutans L., 1753, Silene otites (L.) Wibel, 1799,
E1.282 - Niveau 5 : Pelouses sur sables calcaréo-siliceux d'Europe centrale
Description
Closed, perennial communities of slightly calcareous sands of northern and western Central Europe, and of northern Eastern Europe, characteristic, in particular, of old riverine dunes and morainal hills, with Armeria elongata, Festuca trachyphylla, Sedum sexangulare, Carex ligerica, Helichrysum arenarium. Best represented in the dunal system of the large rivers of Central Europe, in particular the Weser, the Aller, the Elbe, the Oder, the Vistula, the Bugu, the Narwi, of the morainal hills of the Baltic plain of Mecklenburg-Pomerania, of Brandenburg and of Poland and Lithuania, of the Main sands of Franconia and of the Bohemian basin, these formations extend west to the fluviatile district of the Netherlands, and east to Polesia, Lithuania and northwestern Russia, south to the upper Rhine sand flats and the Bavarian Plateau.
Taxons (Liens actifs si espèces présentes)
Armeria elongata (Hoffm.) W.D.J.Koch, 1823 ( Esp. caract. )
Carex ligerica Guépin ex Boreau, 1859 ( Esp. caract. )
Festuca trachyphylla (Hack.) Krajina, 1930 [nom. illeg. hom.] ( Esp. caract. )
Helichrysum arenarium (L.) Moench, 1794 ( Esp. caract. )
Sedum sexangulare 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