Listes floristiques macrophytes

Rhône à Arles 06131550

Date prélèvement 26/09/2023
IBMR 7.28
  • Seuils
  • Seuils norme IBMR
  • Légende
  • 8.01 10.01 12.01 14.01
    Mauvais Médiocre Moyen Bon Très bon ND
Robustesse 7.75
Recouvrement UR1 90.00%
Recouvrement UR2 10.00%
Taxon Code SANDRE Code IRSTEA % rec taxon UR1 % rec taxon UR2 % station
Vallisneria spiralis 1598 VALSPI 3.13 0 2.817
Potamogeton nodosus 1652 POTNOD 1.91 0 1.719
Myriophyllum spicatum 1778 MYRSPI 1.46 0.1 1.324
Potamogeton pectinatus 1655 POTPEC 1.22 0 1.098
Ceratophyllum demersum 1717 CERDEM 0.24 0 0.216
Ranunculus fluitans 1903 RANFLU 0.2 0.15 0.195
Egeria densa 19626 EGEDEN 0.2 0 0.18
Nitellopsis obtusa 5272 NIEOBT 0.04 0 0.036
Najas marina 1835 NAJMAR 0.04 0 0.036
Fissidens fontanus 31545 FISFON 0 0.1 0.01
Cinclidotus riparius 1321 CINRIP 0 0.07 0.007
Amorpha fruticosa 1804 AMOFRU 0 0.05 0.005
Cladophora 1124 CLASPX 0 0.04 0.004
Cinclidotus danubicus 1319 CINDAN 0 0.03 0.003
Rhizoclonium 1125 RHISPX 0 0.03 0.003
Fissidens crassipes 1294 FISCRA 0 0.02 0.002
Spirogyra 1147 SPISPX 0 0.02 0.002
Pistia stratiotes 19913 PISSTR 0 0.02 0.002
Phormidium 6414 PHOSPX 0 0.02 0.002
Azolla filiculoides 1439 AZOFIL 0 0.01 0.001
Fontinalis antipyretica 1310 FONANT 0 0.01 0.001
Audouinella 6076 AUDSPX 0 0.01 0.001
Spirodela polyrhiza 1630 SPRPOL 0 0.01 0.001
Hydrodictyon 5686 HYISPX 0 0.01 0.001
Symplocastrum NEWCOD 0 0.01 0.001
Lemna minuscula 1627 LEMMIU 0 0.01 0.001
Lemna gibba 1625 LEMGIB 0 0.01 0.001
Thorea 6085 THOSPX 0 0.01 0.001
Carex 1466 CARSPX 0 0.01 0.001
Leptodictyum riparium 1244 LEORIP 0 0.01 0.001