⌘K
Biotope - Typologie CORINE
34.3 - Niveau 3 : Pelouses pérennes denses et steppes médio-européennes
Description
Dry closed thermophilous grasslands of middle European or Mediterranean lowlands and hills, up to the montane zone, dominated by perennial grasses; steppic grasslands of continental middle European affinities.
Taxons (Liens actifs si espèces présentes)
34.34 - Niveau 4 : Pelouses calcaréo-siliceuses de l'Europe centrale
Description
Low-altitude xerophile, rupicolous or psammophilous, grasslands of slightly calcareous substrates, with Festuca heteropachys, F. trachyphylla, Koeleria macrantha (= K. gracilis), Phleum phleoides, Armeria elongata, Artemisia campestris, Aster linosyris, Lychnis viscaria, Silene otites, S. nutans, Chamaespartium sagittale, Campanula patula, Potentilla rupestris, Helianthemum nummularium ssp. obscurum, H. apenninum, Scleranthus perennis, Allium senescens ssp. montanum.
Taxons (Liens actifs si espèces présentes)
Achillea millefolium L., 1753 ( Comb. caract. )
Achillea nobilis L., 1753 ( Comb. caract. )
Achillea odorata L., 1759 ( Comb. caract. )
Agrostis capillaris L., 1753 ( Comb. caract. )
Agrostis vinealis Schreb., 1771 ( Comb. caract. )
Aira caryophyllea L., 1753 ( Comb. caract. )
Ajuga genevensis L., 1753 ( Comb. caract. )
Allium oleraceum L., 1753 ( Comb. caract. )
Allium sphaerocephalon L., 1753 ( Comb. caract. )
Allium vineale L., 1753 ( Comb. caract. )
Anacamptis morio (L.) R.M.Bateman, Pridgeon & M.W.Chase, 1997 ( Comb. caract. )
Anemone pulsatilla L., 1753 ( Comb. caract. )
Anemone rubra Lam., 1783 ( Comb. caract. )
Anisantha tectorum (L.) Nevski, 1934 ( Comb. caract. )
Anthericum liliago L., 1753 ( Comb. caract. )
Anthoxanthum odoratum L., 1753 ( Comb. caract. )
Anthyllis montana L., 1753 ( Comb. caract. )
Anthyllis vulneraria L., 1753 ( Comb. caract. )
Arabis hirsuta (L.) Scop., 1772 ( Comb. caract. )
Armeria arenaria subsp. arenaria (Pers.) Schult., 1820 ( Comb. caract. )
Artemisia campestris L., 1753 ( Comb. caract. )
Asperula cynanchica L., 1753 ( Comb. caract. )
Astragalus hamosus L., 1753 ( Comb. caract. )
Avena lodunensis Delastre, 1835 ( Comb. caract. )
Berteroa incana (L.) DC., 1821 ( Comb. caract. )
Betonica officinalis L., 1753 ( Comb. caract. )
Biscutella flexuosa Jord., 1864 ( Comb. caract. )
Bothriochloa ischaemum (L.) Keng, 1936 ( Comb. caract. )
Brachypodium rupestre (Host) Roem. & Schult., 1817 ( Comb. caract. )
Briza media L., 1753 ( Comb. caract. )
Bromopsis erecta (Huds.) Fourr., 1869 ( Comb. caract. )
Bromus hordeaceus L., 1753 ( Comb. caract. )
Campanula rapunculus L., 1753 ( Comb. caract. )
Carex caryophyllea Latourr., 1785 ( Comb. caract. )
Carex humilis Leyss., 1758 ( Comb. caract. )
Carlina acanthifolia subsp. acanthifolia All., 1773 ( Comb. caract. )
Centaurea paniculata subsp. leucophaea (Jord.) Arcang., 1882 ( Comb. caract. )
Centaurea stoebe L., 1753 ( Comb. caract. )
Cerastium pumilum Curtis, 1777 ( Comb. caract. )
Chondrilla juncea L., 1753 ( Comb. caract. )
Cistus creticus subsp. eriocephalus (Viv.) Greuter & Burdet, 1981 ( Comb. caract. )
Cistus monspeliensis L., 1753 ( Comb. caract. )
Cladocera sp. ( Comb. caract. )
Clinopodium acinos (L.) Kuntze, 1891 ( Comb. caract. )
Corynephorus canescens (L.) P.Beauv., 1812 ( Comb. caract. )
Cynodon dactylon (L.) Pers., 1805 ( Comb. caract. )
Dactylorhiza sambucina (L.) Soó, 1962 ( Comb. caract. )
Dianthus carthusianorum L., 1753 ( Comb. caract. )
Dianthus pyrenaicus Pourr., 1788 ( Comb. caract. )
Drymocallis rupestris (L.) Soják, 1989 ( Comb. caract. )
Echium vulgare L., 1753 ( Comb. caract. )
Erica arborea L., 1753 ( Comb. caract. )
Erodium cicutarium (L.) L'Hér., 1789 ( Comb. caract. )
Ervilia hirsuta (L.) Opiz, 1852 ( Comb. caract. )
Eryngium campestre L., 1753 ( Comb. caract. )
Euphorbia cyparissias L., 1753 ( Comb. caract. )
Festuca arvernensis Auquier, Kerguélen & Markgr.-Dann., 1978 ( Comb. caract. )
Festuca cinerea Vill., 1786 ( Comb. caract. )
Festuca heteropachys (St.-Yves) Patzke ex Auquier, 1973 ( Comb. caract. )
Festuca lemanii Bastard, 1809 ( Comb. caract. )
Festuca longifolia Thuill., 1799 ( Comb. caract. )
Festuca marginata subsp. marginata (Hack.) K.Richt., 1890 ( Comb. caract. )
Festuca nigrescens Lam., 1788 ( Comb. caract. )
Festuca nigrescens subsp. microphylla (St.-Yves) Markgr.-Dann., 1978 ( Comb. caract. )
Festuca ovina subsp. guestfalica (Boenn. ex Rchb.) K.Richt., 1890 ( Comb. caract. )
Festuca patzkei Markgr.-Dann., 1978 ( Comb. caract. )
Festuca valesiaca Schleich. ex Gaudin, 1811 ( Comb. caract. )
Filago germanica L., 1763 ( Comb. caract. )
Filipendula vulgaris Moench, 1794 ( Comb. caract. )
Fragaria viridis Weston, 1771 ( Comb. caract. )
Galium lucidum All., 1773 ( Comb. caract. )
Galium pumilum Murray, 1770 ( Comb. caract. )
Galium verum L., 1753 ( Comb. caract. )
Genista pilosa L., 1753 ( Comb. caract. )
Genista sagittalis L., 1753 ( Comb. caract. )
Globularia bisnagarica L., 1753 ( Comb. caract. )
Helianthemum nummularium (L.) Mill., 1768 ( Comb. caract. )
Helichrysum italicum subsp. italicum (Roth) G.Don, 1830 ( Comb. caract. )
Helictochloa pratensis (L.) Romero Zarco, 2011 ( Comb. caract. )
Hippocrepis comosa L., 1753 ( Comb. caract. )
Hypericum perforatum L., 1753 ( Comb. caract. )
Hypochaeris radicata L., 1753 ( Comb. caract. )
Jasione montana L., 1753 ( Comb. caract. )
Koeleria macrantha (Ledeb.) Schult., 1824 ( Comb. caract. )
Lactuca viminea subsp. chondrilliflora (Boreau) Bonnier, 1923 ( Comb. caract. )
Lepidium heterophyllum Benth., 1826 ( Comb. caract. )
Linaria repens (L.) Mill., 1768 ( Comb. caract. )
Lotus corniculatus L., 1753 ( Comb. caract. )
Luzula campestris (L.) DC., 1805 ( Comb. caract. )
Malva moschata L., 1753 ( Comb. caract. )
Melica ciliata L., 1753 ( Comb. caract. )
Melica ciliata subsp. transsilvanica (Schur) Husn., 1898 ( Comb. caract. )
Mibora minima (L.) Desv., 1818 ( Comb. caract. )
Muscari comosum (L.) Mill., 1768 ( Comb. caract. )
Myosotis ramosissima Rochel, 1814 ( Comb. caract. )
Ononis spinosa L., 1753 [nom. et typ. cons.] ( Comb. caract. )
Ophrys fusca Link, 1800 ( Comb. caract. )
Oreoselinum nigrum Delarbre, 1800 ( Comb. caract. )
Ornithopus perpusillus L., 1753 ( Comb. caract. )
Orobanche teucrii Holandre, 1829 ( Comb. caract. )
Petrorhagia prolifera (L.) P.W.Ball & Heywood, 1964 ( Comb. caract. )
Peucedanum officinale L., 1753 ( Comb. caract. )
Phleum phleoides (L.) H.Karst., 1880 ( Comb. caract. )
Pilosella billyana (de Retz) Mateo, 1990 ( Comb. caract. )
Pilosella officinarum Vaill., 1754 [nom. inval.] ( Comb. caract. )
Plantago holosteum Scop., 1771 ( Comb. caract. )
Plantago lanceolata L., 1753 ( Comb. caract. )
Plantago media L., 1753 ( Comb. caract. )
Plantago scabra Moench, 1794 [nom. illeg. superfl.] ( Comb. caract. )
Poa bulbosa L., 1753 ( Comb. caract. )
Polygala comosa Schkuhr, 1796 ( Comb. caract. )
Potentilla fagineicola Lamotte, 1877 ( Comb. caract. )
Potentilla incana G.Gaertn., B.Mey. & Scherb., 1800 ( Comb. caract. )
Potentilla neglecta Baumg., 1816 ( Comb. caract. )
Potentilla puberula Krašan, 1867 ( Comb. caract. )
Potentilla verna L., 1753 [nom. et typ. cons.] ( Comb. caract. )
Poterium sanguisorba L., 1753 ( Comb. caract. )
Prospero autumnale (L.) Speta, 1982 ( Comb. caract. )
Prunella grandiflora (L.) Scholler, 1775 [ison.] ( Comb. caract. )
Ranunculus bulbosus L., 1753 ( Comb. caract. )
Ranunculus paludosus Poir., 1789 ( Comb. caract. )
Rhinanthus minor L., 1756 ( Comb. caract. )
Rorippa pyrenaica (All.) Rchb., 1838 ( Comb. caract. )
Rumex acetosella L., 1753 ( Comb. caract. )
Salvia pratensis L., 1753 ( Comb. caract. )
Saxifraga granulata L., 1753 ( Comb. caract. )
Saxifraga tridactylites L., 1753 ( Comb. caract. )
Scabiosa canescens Waldst. & Kit., 1802 ( Comb. caract. )
Scabiosa columbaria L., 1753 ( Comb. caract. )
Scleranthus annuus L., 1753 ( Comb. caract. )
Scrophularia canina L., 1753 ( Comb. caract. )
Sedum acre L., 1753 ( Comb. caract. )
Sedum album L., 1753 ( Comb. caract. )
Sedum forsterianum Sm., 1808 ( Comb. caract. )
Sedum rubens L., 1753 ( Comb. caract. )
Sedum rupestre L., 1753 [nom. et typ. cons.] ( Comb. caract. )
Sedum sediforme (Jacq.) Pau, 1909 ( Comb. caract. )
Seseli montanum L., 1753 ( Comb. caract. )
Silene nutans L., 1753 ( Comb. caract. )
Spergula pentandra L., 1753 ( Comb. caract. )
Stachys recta L., 1767 ( Comb. caract. )
Teucrium chamaedrys L., 1753 ( Comb. caract. )
Thesium linophyllon L., 1753 ( Comb. caract. )
Thymus drucei Ronniger, 1924 ( Comb. caract. )
Thymus pulegioides L., 1753 ( Comb. caract. )
Trifolium arvense L., 1753 ( Comb. caract. )
Trifolium campestre Schreb., 1804 ( Comb. caract. )
Trifolium dubium Sibth., 1794 ( Comb. caract. )
Trifolium incarnatum var. molinerii (Balb. ex Hornem.) DC., 1815 ( Comb. caract. )
Trifolium montanum L., 1753 ( Comb. caract. )
Trifolium ochroleucon Huds., 1762 ( Comb. caract. )
Trifolium striatum L., 1753 ( Comb. caract. )
Trifolium subterraneum L., 1753 ( Comb. caract. )
Trinia glauca (L.) Dumort., 1827 ( Comb. caract. )
Valerianella locusta (L.) Laterr., 1821 ( Comb. caract. )
Verbascum pulverulentum Vill., 1779 ( Comb. caract. )
Veronica arvensis L., 1753 ( Comb. caract. )
Veronica spicata L., 1753 ( Comb. caract. )
Veronica teucrium L., 1762 ( Comb. caract. )
Vicia angustifolia L., 1759 ( Comb. caract. )
Vicia lathyroides L., 1753 ( Comb. caract. )
Vicia lutea L., 1753 ( Comb. caract. )
Viscaria vulgaris Bernh., 1800 ( Comb. caract. )
Vulpia bromoides (L.) Gray, 1821 ( Comb. caract. )
Vulpia myuros (L.) C.C.Gmel., 1805 ( Comb. caract. )
Achillea nobilis L., 1753 ( Comb. caract. )
Achillea odorata L., 1759 ( Comb. caract. )
Agrostis capillaris L., 1753 ( Comb. caract. )
Agrostis vinealis Schreb., 1771 ( Comb. caract. )
Aira caryophyllea L., 1753 ( Comb. caract. )
Ajuga genevensis L., 1753 ( Comb. caract. )
Allium oleraceum L., 1753 ( Comb. caract. )
Allium sphaerocephalon L., 1753 ( Comb. caract. )
Allium vineale L., 1753 ( Comb. caract. )
Anacamptis morio (L.) R.M.Bateman, Pridgeon & M.W.Chase, 1997 ( Comb. caract. )
Anemone pulsatilla L., 1753 ( Comb. caract. )
Anemone rubra Lam., 1783 ( Comb. caract. )
Anisantha tectorum (L.) Nevski, 1934 ( Comb. caract. )
Anthericum liliago L., 1753 ( Comb. caract. )
Anthoxanthum odoratum L., 1753 ( Comb. caract. )
Anthyllis montana L., 1753 ( Comb. caract. )
Anthyllis vulneraria L., 1753 ( Comb. caract. )
Arabis hirsuta (L.) Scop., 1772 ( Comb. caract. )
Armeria arenaria subsp. arenaria (Pers.) Schult., 1820 ( Comb. caract. )
Artemisia campestris L., 1753 ( Comb. caract. )
Asperula cynanchica L., 1753 ( Comb. caract. )
Astragalus hamosus L., 1753 ( Comb. caract. )
Avena lodunensis Delastre, 1835 ( Comb. caract. )
Berteroa incana (L.) DC., 1821 ( Comb. caract. )
Betonica officinalis L., 1753 ( Comb. caract. )
Biscutella flexuosa Jord., 1864 ( Comb. caract. )
Bothriochloa ischaemum (L.) Keng, 1936 ( Comb. caract. )
Brachypodium rupestre (Host) Roem. & Schult., 1817 ( Comb. caract. )
Briza media L., 1753 ( Comb. caract. )
Bromopsis erecta (Huds.) Fourr., 1869 ( Comb. caract. )
Bromus hordeaceus L., 1753 ( Comb. caract. )
Campanula rapunculus L., 1753 ( Comb. caract. )
Carex caryophyllea Latourr., 1785 ( Comb. caract. )
Carex humilis Leyss., 1758 ( Comb. caract. )
Carlina acanthifolia subsp. acanthifolia All., 1773 ( Comb. caract. )
Centaurea paniculata subsp. leucophaea (Jord.) Arcang., 1882 ( Comb. caract. )
Centaurea stoebe L., 1753 ( Comb. caract. )
Cerastium pumilum Curtis, 1777 ( Comb. caract. )
Chondrilla juncea L., 1753 ( Comb. caract. )
Cistus creticus subsp. eriocephalus (Viv.) Greuter & Burdet, 1981 ( Comb. caract. )
Cistus monspeliensis L., 1753 ( Comb. caract. )
Cladocera sp. ( Comb. caract. )
Clinopodium acinos (L.) Kuntze, 1891 ( Comb. caract. )
Corynephorus canescens (L.) P.Beauv., 1812 ( Comb. caract. )
Cynodon dactylon (L.) Pers., 1805 ( Comb. caract. )
Dactylorhiza sambucina (L.) Soó, 1962 ( Comb. caract. )
Dianthus carthusianorum L., 1753 ( Comb. caract. )
Dianthus pyrenaicus Pourr., 1788 ( Comb. caract. )
Drymocallis rupestris (L.) Soják, 1989 ( Comb. caract. )
Echium vulgare L., 1753 ( Comb. caract. )
Erica arborea L., 1753 ( Comb. caract. )
Erodium cicutarium (L.) L'Hér., 1789 ( Comb. caract. )
Ervilia hirsuta (L.) Opiz, 1852 ( Comb. caract. )
Eryngium campestre L., 1753 ( Comb. caract. )
Euphorbia cyparissias L., 1753 ( Comb. caract. )
Festuca arvernensis Auquier, Kerguélen & Markgr.-Dann., 1978 ( Comb. caract. )
Festuca cinerea Vill., 1786 ( Comb. caract. )
Festuca heteropachys (St.-Yves) Patzke ex Auquier, 1973 ( Comb. caract. )
Festuca lemanii Bastard, 1809 ( Comb. caract. )
Festuca longifolia Thuill., 1799 ( Comb. caract. )
Festuca marginata subsp. marginata (Hack.) K.Richt., 1890 ( Comb. caract. )
Festuca nigrescens Lam., 1788 ( Comb. caract. )
Festuca nigrescens subsp. microphylla (St.-Yves) Markgr.-Dann., 1978 ( Comb. caract. )
Festuca ovina subsp. guestfalica (Boenn. ex Rchb.) K.Richt., 1890 ( Comb. caract. )
Festuca patzkei Markgr.-Dann., 1978 ( Comb. caract. )
Festuca valesiaca Schleich. ex Gaudin, 1811 ( Comb. caract. )
Filago germanica L., 1763 ( Comb. caract. )
Filipendula vulgaris Moench, 1794 ( Comb. caract. )
Fragaria viridis Weston, 1771 ( Comb. caract. )
Galium lucidum All., 1773 ( Comb. caract. )
Galium pumilum Murray, 1770 ( Comb. caract. )
Galium verum L., 1753 ( Comb. caract. )
Genista pilosa L., 1753 ( Comb. caract. )
Genista sagittalis L., 1753 ( Comb. caract. )
Globularia bisnagarica L., 1753 ( Comb. caract. )
Helianthemum nummularium (L.) Mill., 1768 ( Comb. caract. )
Helichrysum italicum subsp. italicum (Roth) G.Don, 1830 ( Comb. caract. )
Helictochloa pratensis (L.) Romero Zarco, 2011 ( Comb. caract. )
Hippocrepis comosa L., 1753 ( Comb. caract. )
Hypericum perforatum L., 1753 ( Comb. caract. )
Hypochaeris radicata L., 1753 ( Comb. caract. )
Jasione montana L., 1753 ( Comb. caract. )
Koeleria macrantha (Ledeb.) Schult., 1824 ( Comb. caract. )
Lactuca viminea subsp. chondrilliflora (Boreau) Bonnier, 1923 ( Comb. caract. )
Lepidium heterophyllum Benth., 1826 ( Comb. caract. )
Linaria repens (L.) Mill., 1768 ( Comb. caract. )
Lotus corniculatus L., 1753 ( Comb. caract. )
Luzula campestris (L.) DC., 1805 ( Comb. caract. )
Malva moschata L., 1753 ( Comb. caract. )
Melica ciliata L., 1753 ( Comb. caract. )
Melica ciliata subsp. transsilvanica (Schur) Husn., 1898 ( Comb. caract. )
Mibora minima (L.) Desv., 1818 ( Comb. caract. )
Muscari comosum (L.) Mill., 1768 ( Comb. caract. )
Myosotis ramosissima Rochel, 1814 ( Comb. caract. )
Ononis spinosa L., 1753 [nom. et typ. cons.] ( Comb. caract. )
Ophrys fusca Link, 1800 ( Comb. caract. )
Oreoselinum nigrum Delarbre, 1800 ( Comb. caract. )
Ornithopus perpusillus L., 1753 ( Comb. caract. )
Orobanche teucrii Holandre, 1829 ( Comb. caract. )
Petrorhagia prolifera (L.) P.W.Ball & Heywood, 1964 ( Comb. caract. )
Peucedanum officinale L., 1753 ( Comb. caract. )
Phleum phleoides (L.) H.Karst., 1880 ( Comb. caract. )
Pilosella billyana (de Retz) Mateo, 1990 ( Comb. caract. )
Pilosella officinarum Vaill., 1754 [nom. inval.] ( Comb. caract. )
Plantago holosteum Scop., 1771 ( Comb. caract. )
Plantago lanceolata L., 1753 ( Comb. caract. )
Plantago media L., 1753 ( Comb. caract. )
Plantago scabra Moench, 1794 [nom. illeg. superfl.] ( Comb. caract. )
Poa bulbosa L., 1753 ( Comb. caract. )
Polygala comosa Schkuhr, 1796 ( Comb. caract. )
Potentilla fagineicola Lamotte, 1877 ( Comb. caract. )
Potentilla incana G.Gaertn., B.Mey. & Scherb., 1800 ( Comb. caract. )
Potentilla neglecta Baumg., 1816 ( Comb. caract. )
Potentilla puberula Krašan, 1867 ( Comb. caract. )
Potentilla verna L., 1753 [nom. et typ. cons.] ( Comb. caract. )
Poterium sanguisorba L., 1753 ( Comb. caract. )
Prospero autumnale (L.) Speta, 1982 ( Comb. caract. )
Prunella grandiflora (L.) Scholler, 1775 [ison.] ( Comb. caract. )
Ranunculus bulbosus L., 1753 ( Comb. caract. )
Ranunculus paludosus Poir., 1789 ( Comb. caract. )
Rhinanthus minor L., 1756 ( Comb. caract. )
Rorippa pyrenaica (All.) Rchb., 1838 ( Comb. caract. )
Rumex acetosella L., 1753 ( Comb. caract. )
Salvia pratensis L., 1753 ( Comb. caract. )
Saxifraga granulata L., 1753 ( Comb. caract. )
Saxifraga tridactylites L., 1753 ( Comb. caract. )
Scabiosa canescens Waldst. & Kit., 1802 ( Comb. caract. )
Scabiosa columbaria L., 1753 ( Comb. caract. )
Scleranthus annuus L., 1753 ( Comb. caract. )
Scrophularia canina L., 1753 ( Comb. caract. )
Sedum acre L., 1753 ( Comb. caract. )
Sedum album L., 1753 ( Comb. caract. )
Sedum forsterianum Sm., 1808 ( Comb. caract. )
Sedum rubens L., 1753 ( Comb. caract. )
Sedum rupestre L., 1753 [nom. et typ. cons.] ( Comb. caract. )
Sedum sediforme (Jacq.) Pau, 1909 ( Comb. caract. )
Seseli montanum L., 1753 ( Comb. caract. )
Silene nutans L., 1753 ( Comb. caract. )
Spergula pentandra L., 1753 ( Comb. caract. )
Stachys recta L., 1767 ( Comb. caract. )
Teucrium chamaedrys L., 1753 ( Comb. caract. )
Thesium linophyllon L., 1753 ( Comb. caract. )
Thymus drucei Ronniger, 1924 ( Comb. caract. )
Thymus pulegioides L., 1753 ( Comb. caract. )
Trifolium arvense L., 1753 ( Comb. caract. )
Trifolium campestre Schreb., 1804 ( Comb. caract. )
Trifolium dubium Sibth., 1794 ( Comb. caract. )
Trifolium incarnatum var. molinerii (Balb. ex Hornem.) DC., 1815 ( Comb. caract. )
Trifolium montanum L., 1753 ( Comb. caract. )
Trifolium ochroleucon Huds., 1762 ( Comb. caract. )
Trifolium striatum L., 1753 ( Comb. caract. )
Trifolium subterraneum L., 1753 ( Comb. caract. )
Trinia glauca (L.) Dumort., 1827 ( Comb. caract. )
Valerianella locusta (L.) Laterr., 1821 ( Comb. caract. )
Verbascum pulverulentum Vill., 1779 ( Comb. caract. )
Veronica arvensis L., 1753 ( Comb. caract. )
Veronica spicata L., 1753 ( Comb. caract. )
Veronica teucrium L., 1762 ( Comb. caract. )
Vicia angustifolia L., 1759 ( Comb. caract. )
Vicia lathyroides L., 1753 ( Comb. caract. )
Vicia lutea L., 1753 ( Comb. caract. )
Viscaria vulgaris Bernh., 1800 ( Comb. caract. )
Vulpia bromoides (L.) Gray, 1821 ( Comb. caract. )
Vulpia myuros (L.) C.C.Gmel., 1805 ( 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