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Biotopes & milieux

Biotope - Typologie CORINE

36.31 - Niveau 4 : Gazons à Nard raide et groupements apparentés
Description
Closed grasslands of deep, acid soils of the Alps, Pyrenees, northern Apennines, Jura and higher Hercynian ranges, developed mostly and abundantly in the subalpine level, dominated or co-dominated by Nardus stricta, Festuca eskia, F. nigrescens, F. rubra, Alopecurus gerardii, Bellardiochloa (Poa) violacea, Carex sempervirens, Anthoxanthum odoratum.
Taxons (Liens actifs si espèces présentes)
Agrostis rupestris var. rupestris All., 1785, Ajuga pyramidalis L., 1753, Alchemilla alpina L., 1753, Arnica montana L., 1753, Campanula scheuchzeri subsp. lanceolata (Lapeyr.) J.-M.Tison, 2010, Carex pilulifera subsp. pilulifera L., 1753, Crepis conyzifolia (Gouan) A.Kern., 1872, Crocus vernus (L.) Hill, 1765, Cytisus sp., Daboecia sp., Dactylorhiza latifolia (L.) Soó, 1962 [nom. rej.] p.p., Dactylorhiza viridis (L.) R.M.Bateman, Pridgeon & M.W.Chase, 1997, Daphne cneorum L., 1753, Dianthus seguieri subsp. pseudocollinus (P.Fourn.) Jauzein, 2010, Dianthus sylvaticus auct. non Hoppe ex Willd., 1809, Elatine sp., Epikeros pyrenaeus (L.) Raf., 1840, Euphrasia minima Jacq. ex DC., 1805, Festuca lemanii Bastard, 1809, Festuca rubra subsp. microphylla St.-Yves, 1922, Galium pumilum subsp. pumilum Murray, 1770, Galium saxatile L., 1753, Galium verum subsp. verum L., 1753, Genista sagittalis L., 1753, Gentiana lutea L., 1753, Gentiana lutea subsp. lutea L., 1753, Geum montanum L., 1753, Helictochloa versicolor subsp. versicolor (Vill.) Romero Zarco, 2011, Hypericum maculatum subsp. maculatum Crantz, 1763, Jacobaea adonidifolia (Loisel.) Mérat, 1812, Jasione laevis Lam., 1779, Jasione laevis subsp. laevis Lam., 1779, Koeleria pyramidata (Lam.) P.Beauv., 1812, Leontodon pyrenaicus Gouan, 1773, Leucanthemum delarbrei Timb.-Lagr. ex Lamotte, 1881, Lotus alpinus (DC.) Schleich. ex Ramond, 1825, Luzula campestris (L.) DC., 1805, Luzula desvauxii Kunth, 1841, Meum athamanticum Jacq., 1776, Mutellina adonidifolia (J.Gay) Gutermann, 2006, Nardus stricta L., 1753, Oligochaeta sp., Patzkea paniculata subsp. paniculata (L.) G.H.Loos, 2010, Phyteuma hemisphaericum L., 1753, Phyteuma orbiculare L., 1753, Plantago alpina L., 1753, Plantago atrata Hoppe, 1799, Potentilla aurea L., 1756, Protoblastenia sp., Ranunculus pyrenaeus L., 1771, Scorzoneroides pyrenaica (Gouan) Holub, 1977, Senecio doronicum (L.) L., 1759, Trifolium alpinum L., 1753, Trifolium thalii Vill., 1779, Tulipa sylvestris subsp. australis (Link) Pamp., 1914, Veronica officinalis L., 1753, Viola calcarata subsp. calcarata L., 1753, Viola lutea Huds., 1762, Zostera sp.,
36.313 - Niveau 5 : Pelouses pyrénéo-alpines hygrophiles à Vulpins
Description
Subalpine and alpine hygro-mesophile, chionophilous grasslands of depressions with prolonged snow cover dominated by Alopecurus gerardii and Trifolium alpinum; they constitute a transition between siliceous grasslands and snowpatch communities, which they often ring.
Taxons (Liens actifs si espèces présentes)
Agrostis rupestris subsp. rupestris All., 1785 ( Comb. caract. )
Alchemilla flabellata Buser, 1891 ( Comb. caract. )
Alopecurus alpinus Vill., 1786 ( Comb. caract. )
Carex macrostylos Lapeyr., 1813 ( Comb. caract. )
Dactylorhiza viridis (L.) R.M.Bateman, Pridgeon & M.W.Chase, 1997 ( Comb. caract. )
Dianthus pavonius Tausch, 1839 ( Comb. caract. )
Epikeros pyrenaeus (L.) Raf., 1840 ( Comb. caract. )
Festuca sp. ( Comb. caract. )
Geum montanum L., 1753 ( Comb. caract. )
Leontodon pyrenaicus Gouan, 1773 ( Comb. caract. )
Meum athamanticum Jacq., 1776 ( Comb. caract. )
Nardus stricta L., 1753 ( Comb. caract. )
Omalotheca supina (L.) DC., 1838 ( Comb. caract. )
Pedicularis rostratospicata subsp. helvetica (Steininger) O.Schwarz, 1949 ( Comb. caract. )
Plantago alpina L., 1753 ( Comb. caract. )
Plantago maritima subsp. serpentina (All.) Arcang., 1882 ( Comb. caract. )
Polydora sp. ( Comb. caract. )
Ranunculus pyrenaeus L., 1771 ( Comb. caract. )
Trifolium alpinum L., 1753 ( Comb. caract. )
Trifolium thalii Vill., 1779 ( Comb. caract. )
Veronica allionii Vill., 1779 [nom. et typ. cons.] ( Comb. caract. )
Viola calcarata subsp. calcarata 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