Listes floristiques macrophytes

La Loire à Villerest 04013000

Date prélèvement 21/08/2014
IBMR 8.06
Robustesse 7.98
Recouvrement UR1 71.00%
Faciès UR1 ch. lotique (71%)
Recouvrement UR2 29.00%
Faciès UR2 autre (29%)
Taxon Code SANDRE Code IRSTEA % rec taxon UR1 % rec taxon UR2 % station
Spirogyra 1147 SPISPX 7.06 21.18 11.1585
Oedogonium 1134 OEDSPX 7.06 21.18 11.1564
Cladophora 1124 CLASPX 5.29 16.01 8.4024
Melosira 8714 MELSPX 5.3 15.88 8.3669
Diatoma 6627 DIASPX 5.29 15.88 8.3647
Phalaris arundinacea 1577 PHAARU 9 0.2 6.448
Elodea nuttalii 1588 ELONUT 0.01 11 3.1971
Octodiceras fontanum 1303 OCTFON 3 0 2.13
Vaucheria 1169 VAUSPX 1.34 1.06 1.2584
Polygonum hydropiper 1865 POLHYD 0.01 2 0.5871
Myriophyllum spicatum 1778 MYRSPI 0.65 0.1 0.4919
Potamogeton trichoides 1661 POTTRI 0.56 0.3 0.4848
Potamogeton berchtoldii 1642 POTBER 0.61 0.06 0.452
Fontinalis antipyretica 1310 FONANT 0.52 0.01 0.3747
Cinclidotus fontinaloides 1320 CINFON 0.5 0 0.355
Potamogeton nodosus 1652 POTNOD 0.3 0 0.213
Sparganium emersum f. longissimum 19695 SPAEML 0.2 0.01 0.1449
Callitriche hamulata 1698 CALHAM 0.2 0 0.142
Juncus effusus 1613 JUNEFF 0 0.2 0.058
Elodea callitrichoides 19642 ELOCAL 0 0.2 0.058
Cyperus esculentus NEWCOD 0 0.2 0.058
Amblystegium riparium 1219 AMBRIP 0.05 0 0.0383
Gomphoneis sp. NEWCOD 0 0.08 0.0218
Agrostis stolonifera 1543 AGRSTO 0.01 0.01 0.01
Rorippa sylvestris NEWCOD 0.01 0.01 0.01
Potamogeton crispus 1645 POTCRI 0.01 0 0.0071
Amblystegium fluviatile 1223 AMBFLU 0.01 0 0.0071
Potamogeton natans 1650 POTNAT 0.01 0 0.0071
Ceratophyllum demersum 1717 CERDEM 0 0.01 0.0029
Ranunculus repens 1910 RANREP 0 0.01 0.0029
Mentha aquatica 1791 MENAQU 0 0.01 0.0029
Carex pseudocyperus 1486 CARPSE 0 0.01 0.0029
Phormidium 6414 PHOSPX 0 0.01 0.0029
Heteroleibleinia sp. NEWCOD 0 0.01 0.0029
Coconeis sp. NEWCOD 0 0.01 0.0029
Najas marina 1835 NAJMAR 0 0.01 0.0029
Leersia oryzoides 1569 LEEORY 0 0.01 0.0029
Lythrum salicaria 1823 LYTSAL 0 0.01 0.0029