Date prélèvement 22/07/2021
IBMR
Robustesse 8.92
Recouvrement UR1 51.00%
Faciès UR1 Zone de bordure (> 75%)
Recouvrement UR2 49.00%
Faciès UR2 chenal lotique (> 75%)
Taxon Code SANDRE Code IRSTEA % rec taxon UR1 % rec taxon UR2
Egeria densa 19626 EGEDEN 0 0.2
Cladophora 1124 CLASPX 3.4 26
Spirogyra 1147 SPISPX 2.3 15
Melosira 8714 MELSPX 0.9 10
Hydrodictyon 5686 HYISPX 0 7.2
Phormidium 6414 PHOSPX 1.1 3
Hildenbrandia 1157 HILSPX 0.9 3
Oedogonium 1134 OEDSPX 0.01 1
Diatoma 6627 DIASPX 0.4 0.8
Myriophyllum spicatum 1778 MYRSPI 0 0.5
Potamogeton nodosus 1652 POTNOD 0 0.4
Potamogeton crispus 1645 POTCRI 0 0.2
Ranunculus penicillatus 1909 RANPEU 0 0.2
Paralemanea 31566 PAASPX 0.01 0.01
Elodea canadensis 1586 ELOCAN 0 0.2
Spirodela polyrhiza 1630 SPRPOL 0 0.01
Ceratophyllum demersum 1717 CERDEM 0 0.01
Cinclidotus riparius 1321 CINRIP 0.01 0.01
Audouinella 6076 AUDSPX 0.01 0.01
Tetraspora 1138 TETSPX 0 0.01
Thorea 6085 THOSPX 0.01 0.01
Cinclidotus aquaticus 1318 CINAQU 0.01 0.01
Phalaris arundinacea 1577 PHAARU 0 0.01
Leptodictyum riparium 1244 LEORIP 0.01 0.01
Rhynchostegium riparioides 1268 RHYRIP 0 0.01