Listes floristiques macrophytes

La Garonne à St-Aignan 05152000

Date prélèvement 13/09/2013
IBMR 9.26
  • Seuils
  • Seuils norme IBMR
  • Légende
  • 8.01 10.01 12.01 14.01
    Mauvais Médiocre Moyen Bon Très bon ND
Robustesse 8.72
Recouvrement UR1 95.00%
Faciès UR1 ch. lotique (95%)
Recouvrement UR2 5.00%
Faciès UR2 ch. lentique (5%)
Taxon Code SANDRE Code IRSTEA % rec taxon UR1 % rec taxon UR2 % station
Phormidium 6414 PHOSPX 0.53 0.19 0.5132
Hildenbrandia 1157 HILSPX 0.16 1.33 0.2151
Potamogeton nodosus 1652 POTNOD 0.01 3.12 0.1657
Leersia oryzoides 1569 LEEORY 0 1.79 0.0895
Myriophyllum spicatum 1778 MYRSPI 0.06 0.46 0.0802
Cladophora 1124 CLASPX 0.02 1.19 0.0738
Vallisneria spiralis 1598 VALSPI 0 0.95 0.0476
Fontinalis squamosa 1312 FONSQU 0.03 0.17 0.0324
Cinclidotus danubicus 1319 CINDAN 0.03 0.01 0.031
Octodiceras fontanum 1303 OCTFON 0.01 0.17 0.0181
Oedogonium 1134 OEDSPX 0 0.28 0.014
Lysimachia vulgaris 1887 LYSVUL 0.01 0.04 0.0116
Rhizoclonium 1125 RHISPX 0.01 0.04 0.0115
Cardamine 1757 CAMSPX 0.01 0.01 0.01
Amblystegium riparium 1219 AMBRIP 0.01 0.01 0.01
Lythrum salicaria 1823 LYTSAL 0.01 0.01 0.01
Rhynchostegium riparioides 1268 RHYRIP 0.01 0 0.0095
Lemanea 1159 LEASPX 0.01 0 0.0095
Vaucheria 1169 VAUSPX 0.01 0 0.0095
Phalaris arundinacea 1577 PHAARU 0.01 0 0.0048
Ludwigia grandiflora 19845 LUDGRA 0 0.04 0.0019
Rorippa amphibia 1765 RORAMP 0 0.01 0.0005
Eleocharis palustris 1506 ELEPAL 0 0.01 0.0005
Stachys palustris 1799 STAPAL 0 0.01 0.0005
Spirodela polyrhiza 1630 SPRPOL 0 0.01 0.0005
Lemna minor 1626 LEMMIN 0 0.01 0.0005
Carex 1466 CARSPX 0 0.01 0.0005
Bidens tripartita 1729 BIDTRI 0 0.01 0.0005
Hydrodictyon 5686 HYISPX 0 0.01 0.0005