Listes floristiques macrophytes

La Loire à Feurs 04010000

Date prélèvement 26/08/2015
IBMR 7.53
Robustesse 7.46
Recouvrement UR1 91.00%
Faciès UR1 ch. lentique (91%)
Recouvrement UR2 9.00%
Faciès UR2 autre (9%)
Taxon Code SANDRE Code IRSTEA % rec taxon UR1 % rec taxon UR2 % station
Myriophyllum spicatum 1778 MYRSPI 2.8684 3 2.8803
Oscillatoria 1108 OSCSPX 0.3521 2.51 0.5463
Spirodela polyrhiza 1630 SPRPOL 0.3421 1 0.4013
Cladophora 1124 CLASPX 0 3 0.27
Najas minor 1836 NAJMIN 0.2632 0 0.2395
Persicaria hydropiper 31021 PERHYD 0 1.5 0.135
Hydrodictyon 5686 HYISPX 0.0822 0.3125 0.103
Phormidium 6414 PHOSPX 0 1 0.09
Oedogonium 1134 OEDSPX 0.0493 0.1875 0.0618
Potamogeton crispus 1645 POTCRI 0 0.5 0.045
Veronica anagallis-aquatica 1955 VERANA 0 0.3 0.027
Lindernia dubia 19841 LINDUB 0 0.3 0.027
Cyperus fuscus 1499 CYPFUS 0 0.3 0.027
Najas marina 1835 NAJMAR 0 0.2 0.018
Ludwigia palustris 1855 LUDPAL 0 0.2 0.018
Egeria densa 19626 EGEDEN 0 0.2 0.018
Eleocharis ovata 19637 ELEOVA 0 0.2 0.018
Ranunculus 1896 RANSPX 0 0.1 0.009
Cyperus eragrostis 19611 CYPERA 0 0.1 0.009
Lythrum portula 1822 LYTPOR 0 0.1 0.009
Rorippa sylvestris 1767 RORSYL 0 0.01 0.0009
Phalaris arundinacea 1577 PHAARU 0 0.01 0.0009
Sparganium emersum 1670 SPAEME 0 0.01 0.0009
Leersia oryzoides 1569 LEEORY 0 0.01 0.0009
Gnaphalium uliginosum 19770 GNAULI 0 0.01 0.0009
Echinochloa crus-galli 1560 ECHCRU 0 0.01 0.0009
Alisma plantago-aquatica 1447 ALIPLA 0 0.01 0.0009
Cyperus esculentus 1497 CYPESC 0 0.01 0.0009
Rorippa amphibia 1765 RORAMP 0 0.01 0.0009
Agrostis stolonifera 1543 AGRSTO 0 0.01 0.0009