Date prélèvement 29/09/2021
IBMR
Robustesse 8.33
Recouvrement UR1 81.00%
Faciès UR1 chenal lotique (> 75%), radier (10-25%), Zone de bordure (10-25%)
Recouvrement UR2 19.00%
Faciès UR2 mouille (10-25%), Zone de bordure (> 75%)
Taxon Code SANDRE Code IRSTEA % rec taxon UR1 % rec taxon UR2
Diatoma 6627 DIASPX 0.01 0.01
Ranunculus fluitans 1903 RANFLU 18 1
Potamogeton nodosus 1652 POTNOD 2.3 0.4
Myriophyllum spicatum 1778 MYRSPI 1.9 11
Cladophora 1124 CLASPX 1.3 0.4
Hildenbrandia 1157 HILSPX 0.5 0.01
Potamogeton pectinatus 1655 POTPEC 0.3 0.01
Melosira 8714 MELSPX 0.3 2.4
Oedogonium 1134 OEDSPX 0.2 1.4
Eunotia NEWCOD 0.1 0.9
Tetraspora 1138 TETSPX 0.01 0
Stigeoclonium 1119 STISPX 0.01 0.01
Spirodela polyrhiza 1630 SPRPOL 0.01 0.01
Lemna minuta 29962 LEMMIT 0.01 0.01
Lemna minor 1626 LEMMIN 0.01 0.01
Potamogeton pusillus 1659 POTPUS 0 0.4
Ludwigia grandiflora 19845 LUDGRA 0 0.01
Lemna gibba 1625 LEMGIB 0 0.01
Hydrodictyon 5686 HYISPX 0 0.01
Landoltia punctata NEWCOD 0 0.01
Elodea nuttalii 1588 ELONUT 0 1.5
Egeria densa 19626 EGEDEN 0 3.4
Spirogyra 1147 SPISPX 0 0.01
Phormidium 6414 PHOSPX 0 3.5
Paspalum distichum 10237 PASDIS 0 0.01
Oscillatoria 1108 OSCSPX 0 0.01
Najas marina 1835 NAJMAR 0 0.01
Vallisneria spiralis 1598 VALSPI 0 0.3
Azolla filiculoides 1439 AZOFIL 0 0.01
Ceratophyllum demersum 1717 CERDEM 0 0.2