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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.,
36.312 - Niveau 5 : Nardaies pyrénéo-alpines hygrophiles
Description
Subalpine and alpine hygro-mesophile, chionophilous mat-grass swards of depressions and humid flats around lakes and marshes, where snow melts slowly.
Taxons (Liens actifs si espèces présentes)
Achillea ptarmica subsp. pyrenaica (Sibth. ex Godr.) Heimerl, 1884 ( Comb. caract. )
Agrostis rupestris subsp. rupestris All., 1785 ( Comb. caract. )
Alchemilla flabellata Buser, 1891 ( Comb. caract. )
Carex sp. ( Comb. caract. )
Conopodium majus (Gouan) Loret, 1886 ( Comb. caract. )
Corallinaceae sp. ( Comb. caract. )
Danthonia decumbens (L.) DC., 1805 ( Comb. caract. )
Deschampsia flexuosa subsp. flexuosa (L.) Trin., 1836 ( Comb. caract. )
Dianthus deltoides subsp. deltoides L., 1753 ( Comb. caract. )
Endressia pyrenaica (J.Gay ex DC.) J.Gay, 1832 ( Comb. caract. )
Epikeros pyrenaeus (L.) Raf., 1840 ( Comb. caract. )
Euphrasia minima subsp. minima Jacq. ex DC., 1805 ( Comb. caract. )
Festuca rubra subsp. microphylla St.-Yves, 1922 ( Comb. caract. )
Galium pumilum subsp. pumilum Murray, 1770 ( Comb. caract. )
Galium verum subsp. verum L., 1753 ( Comb. caract. )
Genista sagittalis L., 1753 ( Comb. caract. )
Genista sp. ( Comb. caract. )
Gentiana acaulis L., 1753 ( Comb. caract. )
Gentiana alpina Vill., 1779 ( Comb. caract. )
Gentiana pyrenaica L., 1767 ( Comb. caract. )
Gentianella campestris (L.) Börner, 1912 ( Comb. caract. )
Hieracium lactucella Wallr., 1822 ( Comb. caract. )
Hieracium pilosella L., 1753 ( Comb. caract. )
Hypochaeris radicata subsp. radicata L., 1753 ( Comb. caract. )
Jasione laevis subsp. laevis Lam., 1779 ( Comb. caract. )
Leontodon pyrenaicus Gouan, 1773 ( Comb. caract. )
Lotus alpinus (DC.) Schleich. ex Ramond, 1825 ( Comb. caract. )
Luzula multiflora subsp. multiflora (Ehrh.) Lej., 1811 ( Comb. caract. )
Luzula sudetica (Willd.) Schult., 1814 ( Comb. caract. )
Lygos sp. ( Comb. caract. )
Meum athamanticum Jacq., 1776 ( Comb. caract. )
Nardus stricta L., 1753 ( Comb. caract. )
Pedicularis pyrenaica J.Gay, 1832 ( Comb. caract. )
Phyteuma hemisphaericum L., 1753 ( Comb. caract. )
Pimpinella saxifraga L., 1753 ( Comb. caract. )
Plantago alpina L., 1753 ( Comb. caract. )
Plantago media subsp. media L., 1753 ( Comb. caract. )
Polygala vulgaris subsp. vulgaris L., 1753 ( Comb. caract. )
Polygonum viviparum L., 1753 ( Comb. caract. )
Porifera sp. ( Comb. caract. )
Potentilla erecta (L.) Raeusch., 1797 ( Comb. caract. )
Potentilla pyrenaica Ramond ex DC., 1805 ( Comb. caract. )
Prunella hastifolia Brot., 1804 ( Comb. caract. )
Ranunculus pyrenaeus L., 1771 ( Comb. caract. )
Selaginella selaginoides (L.) P.Beauv. ex Schrank & Mart., 1829 ( Comb. caract. )
Spirorbidae sp. ( Comb. caract. )
Terebellidae sp. ( Comb. caract. )
Thesium pyrenaicum Pourr., 1788 ( Comb. caract. )
Thymus polytrichus A.Kern. ex Borbás, 1890 ( Comb. caract. )
Thymus praecox subsp. praecox Opiz, 1824 ( Comb. caract. )
Thymus serpyllum L., 1753 ( Comb. caract. )
Trifolium alpinum L., 1753 ( Comb. caract. )
Trifolium montanum subsp. montanum L., 1753 ( Comb. caract. )
Trifolium pratense subsp. nivale Ces., 1844 ( 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