Date prélèvement 20/08/2019
IBMR
Robustesse 7.43
Recouvrement UR1 4.00%
Recouvrement UR2 96.00%
Faciès UR2 chenal lentique (> 75%)
Taxon Code SANDRE Code IRSTEA % rec taxon UR1 % rec taxon UR2
Najas marina 1835 NAJMAR 0.2 1.7
Myriophyllum spicatum 1778 MYRSPI 20 2.8
Phormidium 6414 PHOSPX 9.5 0
Oedogonium 1134 OEDSPX 7.9 0
NEWCOD 4.6 0
Oscillatoria 1108 OSCSPX 2.3 0
Spirogyra 1147 SPISPX 1.5 0
Egeria densa 19626 EGEDEN 1.5 0.1
Spirodela polyrhiza 1630 SPRPOL 0.5 0
Ludwigia grandiflora 19845 LUDGRA 0.3 0
Ludwigia peploides 1856 LUDPEP 0.3 0
Echinochloa crus-galli 1560 ECHCRU 0.01 0
Potamogeton nodosus 1652 POTNOD 0.1 0
Lagarosiphon major 1592 LAGMAJ 0.1 0
Ceratophyllum demersum 1717 CERDEM 0.01 0.6
Cladophora 1124 CLASPX 0.01 0
Lemna minor 1626 LEMMIN 0.01 0
Azolla filiculoides 1439 AZOFIL 0.01 0
Bidens frondosa 1727 BIDFRO 0.01 0
Lemna minuta 29962 LEMMIT 0.01 0
Bidens cernua 1725 BIDCER 0.01 0