Listes floristiques macrophytes

La Loire à Villerest 04013000

Date prélèvement 31/07/2008
IBMR 7.71
Robustesse 7.53
Recouvrement UR1 37.00%
Faciès UR1 radier (37%)
Recouvrement UR2 63.00%
Faciès UR2 ch. lentique (63%)
Taxon Code SANDRE Code IRSTEA % rec taxon UR1 % rec taxon UR2 % station
Octodiceras fontanum 1303 OCTFON 20 15 16.85
Oedogonium 1134 OEDSPX 3 17 11.82
Fontinalis antipyretica 1310 FONANT 8 9 8.63
Cladophora 1124 CLASPX 12 2 5.7
Vaucheria 1169 VAUSPX 3 2 2.37
Callitriche hamulata 1698 CALHAM 0.2 2 1.334
Amblystegium riparium 1219 AMBRIP 3 0.05 1.1415
Stigeoclonium cf. tenue NEWCOD 1 0 0.37
Myriophyllum spicatum 1778 MYRSPI 0.1 0.5 0.352
Polygonum hydropiper 1865 POLHYD 0.01 0.5 0.3169
Potamogeton nodosus 1652 POTNOD 0 0.2 0.126
Potamogeton crispus 1645 POTCRI 0 0.1 0.063
Audouinella 6076 AUDSPX 0.1 0 0.037
Alisma plantago-aquatica 1447 ALIPLA 0.01 0.05 0.0334
Phalaris arundinacea 1577 PHAARU 0.01 0.05 0.0334
Hydrodictyon 5686 HYISPX 0 0.05 0.0315
Sparganium emersum f. longissimum 19695 SPAEML 0.01 0.01 0.005
Potamogeton trichoides 1661 POTTRI 0.01 0.01 0.005
Phormidium sp. NEWCOD 0 0.01 0.0032
Lythrum salicaria 1823 LYTSAL 0 0.01 0.0032
Iris pseudacorus 1601 IRIPSE 0 0.01 0.0032
Agrostis stolonifera 1543 AGRSTO 0 0.01 0.0032
Equisetum arvense 1384 EQUARV 0 0.01 0.0032
Potamogeton berchtoldii 1642 POTBER 0 0.01 0.0032
Rorippa amphibia 1765 RORAMP 0 0.01 0.0032
Lemanea 1159 LEASPX 0.01 0 0.0019
Batrachospermum 1155 BATSPX 0.01 0 0.0019
Cinclidotus fontinaloides 1320 CINFON 0.01 0 0.0019