Date prélèvement 11/08/2022
IBMR
Robustesse 7.82
Recouvrement UR1 90.00%
Faciès UR1 Zone de bordure (> 75%)
Recouvrement UR2 10.00%
Faciès UR2 chenal lotique (> 75%)
Taxon Code SANDRE Code IRSTEA % rec taxon UR1 % rec taxon UR2
Ludwigia grandiflora 19845 LUDGRA 0 0.2
Spirogyra 1147 SPISPX 2 26
Potamogeton nodosus 1652 POTNOD 1.3 9
Cladophora 1124 CLASPX 0.6 8
Ulothrix 1142 ULOSPX 0.6 8
Oedogonium 1134 OEDSPX 0.3 6.9
Cyanophyceae NEWCOD 0.4 6
Vallisneria spiralis 1598 VALSPI 0 4
Myriophyllum spicatum 1778 MYRSPI 0.3 2
Hydrodictyon 5686 HYISPX 0 1.5
Phormidium 6414 PHOSPX 0.1 1
Ranunculus penicillatus 1909 RANPEU 0.01 0.5
Carex 1466 CARSPX 0 0.01
Spirodela polyrhiza 1630 SPRPOL 0 0.2
Potamogeton pectinatus 1655 POTPEC 0 0.01
Phragmites australis 1579 PHRAUS 0 0.01
Persicaria amphibia 31020 PERAMP 0 0.01
Paspalum distichum 10237 PASDIS 0 0.01
Oscillatoria 1108 OSCSPX 0.01 0.01
Lemna minuta 29962 LEMMIT 0 0.01
Lemna minor 1626 LEMMIN 0 0.01
Lemna gibba 1625 LEMGIB 0 0.01
Ceratophyllum demersum 1717 CERDEM 0 0.01