Listes floristiques macrophytes

La Loire à Briennon 04015000

Date prélèvement 22/08/2014
IBMR 7.97
Robustesse 7.89
Recouvrement UR1 23.00%
Faciès UR1 ch. lotique (23%)
Recouvrement UR2 77.00%
Faciès UR2 ch. lentique (77%)
Taxon Code SANDRE Code IRSTEA % rec taxon UR1 % rec taxon UR2 % station
Cladophora 1124 CLASPX 21.45 4.15 8.1312
Melosira 8714 MELSPX 5.72 7.06 6.7483
Oedogonium 1134 OEDSPX 2.29 2.82 2.699
Ranunculus fluitans 1903 RANFLU 6 1.48 2.5163
Ludwigia grandiflora 19845 LUDGRA 0 2 1.54
Phalaris arundinacea 1577 PHAARU 0 2 1.54
Myriophyllum spicatum 1778 MYRSPI 3 0.67 1.2033
Heteroleibleinia sp. NEWCOD 3.74 0.01 0.8671
Spirogyra 1147 SPISPX 2.06 0.01 0.483
Najas marina 1835 NAJMAR 0 0.5 0.385
Stigeoclonium 1119 STISPX 1.6 0.01 0.3751
Diatoma 6627 DIASPX 1.45 0 0.3345
Polygonum hydropiper 1865 POLHYD 0 0.2 0.154
Potamogeton nodosus 1652 POTNOD 0.5 0 0.115
Phormidium 6414 PHOSPX 0.11 0.01 0.0331
Ceratophyllum demersum 1717 CERDEM 0.01 0.01 0.01
Lemna minuscula 1627 LEMMIU 0 0.01 0.0077
Leersia oryzoides 1569 LEEORY 0 0.01 0.0077
Lemna minor 1626 LEMMIN 0 0.01 0.0077
Oscillatoria 1108 OSCSPX 0 0.01 0.0077
Lythrum salicaria 1823 LYTSAL 0 0.01 0.0077
Cyperus eragrostis 19611 CYPERA 0 0.01 0.0077
Najas minor 1836 NAJMIN 0 0.01 0.0077
Elodea nuttalii 1588 ELONUT 0 0.01 0.0077
Lemna gibba 1625 LEMGIB 0 0.01 0.0077
Spirodela polyrhiza 1630 SPRPOL 0 0.01 0.0077
Myosotis palustris 1691 MYOPAL 0.01 0 0.0023
Potamogeton crispus 1645 POTCRI 0.01 0 0.0023
Fontinalis antipyretica 1310 FONANT 0.01 0 0.0023