Date prélèvement 21/08/2008
IBMR
Robustesse 9.04
Recouvrement UR1 90.00%
Faciès UR1 pl. courant (90%)
Recouvrement UR2 10.00%
Faciès UR2 pl. lent (10%)
Taxon Code SANDRE Code IRSTEA % rec taxon UR1 % rec taxon UR2 % station
Ranunculus fluitans 1903 RANFLU 15 2 13.7
Myriophyllum spicatum 1778 MYRSPI 4 5 4.1
Cladophora 1124 CLASPX 1 3 1.2
Elodea canadensis 1586 ELOCAN 1 1 1
Ludwigia grandiflora 19845 LUDGRA 0.2 3 0.48
Phormidium 6414 PHOSPX 0.2 1.5 0.33
Melosira 8714 MELSPX 0.2 1.5 0.33
Diatoma 6627 DIASPX 0.2 0.02 0.182
Stigeoclonium 1119 STISPX 0.2 0 0.18
Polygonum persicaria NEWCOD 0.2 0 0.18
Oscillatoria 1108 OSCSPX 0 1.4 0.14
Oedogonium 1134 OEDSPX 0.1 0.4 0.13
Spirogyra 1147 SPISPX 0.1 0 0.09
Cyperus esculentus NEWCOD 0 0.9 0.09
Polygonum hydropiper 1865 POLHYD 0 0.5 0.05
Phalaris arundinacea 1577 PHAARU 0 0.5 0.05
Lemna gibba 1625 LEMGIB 0 0.5 0.05
Nostoc 1105 NOSSPX 0 0.5 0.05
Rorippa sylvestris NEWCOD 0 0.2 0.02
Spirodela polyrhiza 1630 SPRPOL 0 0.2 0.02
Ulothrix 1142 ULOSPX 0 0.2 0.02
Bidens frondosa NEWCOD 0 0.1 0.01
Rhizoclonium 1125 RHISPX 0.01 0 0.009