Listes floristiques macrophytes

Orb à Villeneuve-les-Béziers 06188500

Date prélèvement 25/08/2021
IBMR 7.43
Robustesse 7.74
Recouvrement UR1 95.00%
Faciès UR1 chenal lentique (> 75%)
Recouvrement UR2 5.00%
Faciès UR2 chenal lentique (10-25%), plat lentique (> 75%)
Taxon Code SANDRE Code IRSTEA % rec taxon UR1 % rec taxon UR2 % station
Enteromorpha 1144 ENTSPX 10.09 0.25 9.598
Egeria densa 19626 EGEDEN 4.73 5 4.7435
Cladophora 1124 CLASPX 4.34 0.32 4.139
Spirodela polyrhiza 1630 SPRPOL 1.28 0.5 1.241
Hydrodictyon 5686 HYISPX 0.59 3.5 0.7355
Ludwigia peploides 1856 LUDPEP 0.22 9 0.659
Ceratophyllum demersum 1717 CERDEM 0.62 0.01 0.5895
Lemna minor 1626 LEMMIN 0.31 0.1 0.2995
Najas marina 1835 NAJMAR 0.31 0.01 0.295
Mougeotia 1146 MOUSPX 0.27 0 0.2565
Echinochloa crus-galli 1560 ECHCRU 0 3 0.15
Potamogeton nodosus 1652 POTNOD 0.13 0.5 0.1485
Persicaria hydropiper 31021 PERHYD 0 2.5 0.125
Leersia oryzoides 1569 LEEORY 0 2 0.1
Compsopogon 6071 COMSPX 0.09 0.01 0.086
Oedogonium 1134 OEDSPX 0.04 0.5 0.063
Vaucheria 1169 VAUSPX 0 1 0.05
Bidens frondosa 1727 BIDFRO 0.04 0.05 0.0405
Myriophyllum spicatum 1778 MYRSPI 0.04 0.01 0.0385
Diadesmis confervacea 10647 DIECON 0.04 0.01 0.0385
Ranunculus fluitans 1903 RANFLU 0.04 0 0.038
Rhizoclonium 1125 RHISPX 0.04 0 0.038
Paspalum distichum 10237 PASDIS 0 0.5 0.025
Fissidens fontanus 31545 FISFON 0 0.3 0.015
Agrostis stolonifera 1543 AGRSTO 0 0.1 0.005
Eleocharis palustris 1506 ELEPAL 0 0.05 0.0025
Lysimachia vulgaris 1887 LYSVUL 0 0.05 0.0025
Oxyrrhynchium speciosum 30099 OXYSPE 0 0.05 0.0025
Nasturtium officinale 1763 NASOFF 0 0.02 0.001
Stigeoclonium 1119 STISPX 0 0.02 0.001
Alisma plantago-aquatica 1447 ALIPLA 0 0.01 0.0005
Alisma lanceolatum 1446 ALILAN 0 0.01 0.0005
Thamnobryum alopecurum 1344 THAALO 0 0.01 0.0005
Phalaris arundinacea 1577 PHAARU 0 0.01 0.0005
Leptodictyum riparium 1244 LEORIP 0 0.01 0.0005
Sparganium erectum 1671 SPAERE 0 0.01 0.0005
Fontinalis antipyretica 1310 FONANT 0 0.01 0.0005
Schoenoplectus lacustris 31026 SCNLAC 0 0.01 0.0005
Cinclidotus danubicus 1319 CINDAN 0 0.01 0.0005
Spirogyra 1147 SPISPX 0 0.01 0.0005
Oscillatoria 1108 OSCSPX 0 0.01 0.0005
Scorpiurium deflexifolium NEWCOD 0 0.01 0.0005
Azolla filiculoides 1439 AZOFIL 0 0.01 0.0005
Vallisneria spiralis 1598 VALSPI 0 0.01 0.0005
Potamogeton pectinatus 1655 POTPEC 0 0.01 0.0005
Helosciadium nodiflorum 30053 HELNOD 0 0.01 0.0005
Persicaria maculosa 30056 PERMAC 0 0.01 0.0005
Lythrum salicaria 1823 LYTSAL 0 0.01 0.0005
Cyperus eragrostis 19611 CYPERA 0 0.01 0.0005
Arundo donax 1551 ARUDON 0 0.01 0.0005
Veronica anagallis-aquatica 1955 VERANA 0 0.01 0.0005