Listes faunistiques invertébrés
La Lèze à Lézat-sur-Lèze 05165255
- Télécharger la fiche IRSTEA xls / 619 ko
- Export SEEE csv / 9 ko
| Date prélèvement | 26/08/2021 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 14.0 |
| GFI | 5 |
| Variété taxonomique | 33 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 1.0 | marginal |
| Blocs | ||
| Granulats | 40.0 | dominant |
| Helophytes | 1.0 | marginal |
| Vases | ||
| Sables | 54.0 | dominant |
| Algues | ||
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Helophytes | Nulle | A |
| P2 | Granulats | Lente | B |
| P3 | Sables | Moyenne | C |
| P4 | Granulats | Nulle | C |
| P5 | Granulats | Moyenne | B |
| P6 | Litieres | Lente | A |
| P7 | Sables | Nulle | B |
| P8 | Branchage, racines | Nulle | A |
| P9 | Sables | Lente | B |
| P10 | Pierres, galets | Moyenne | A |
| P11 | Sables | Lente | C |
| P12 | Sables | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra geniculata | 33830 | 1 | 1 | 1 |
| Brachycentrus | 265 | 2 | ||
| Hydroptila | 200 | 20 | 2 | 3 |
| Ithytrichia | 198 | 1 | ||
| Orthotrichia | 197 | 1 | ||
| Hydroptilidae | 193 | 5 | 1 | |
| Leptocerus | 319 | 1 | ||
| Mystacides | 312 | 5 | 4 | |
| Oecetis | 317 | 1 | ||
| Triaenodes | 314 | 20 | ||
| Leptoceridae | 310 | 2 | ||
| Cyrnus | 224 | 2 | 1 | 1 |
| Polycentropus | 231 | 5 | ||
| Polycentropodidae | 223 | 1 | ||
| Baetis lato sensu | 9794 | 1 | ||
| Centroptilum luteolum | 384 | 28 | ||
| Procloeon | 390 | 9 | ||
| Baetidae | 363 | 15 | 2 | 6 |
| Caenis | 457 | 10 | 3 | |
| Ephemera | 502 | 2 | 2 | |
| Ephoron virgo | 497 | 7 | ||
| Aphelocheirus aestivalis | 2714 | 1 | ||
| Micronecta | 719 | 1 | 3 | 4 |
| Dryops | 613 | 4 | ||
| Colymbetinae | 2395 | 1 | ||
| Elmis | 618 | 1 | 2 | |
| Esolus | 619 | 20 | 84 | 59 |
| Limnius | 623 | 3 | ||
| Macronychus | 626 | 1 | ||
| Oulimnius | 622 | 15 | 18 | 14 |
| Riolus | 625 | 4 | 4 | |
| Stenelmis | 617 | 3 | 2 | |
| Gyrinidae | 512 | 2 | ||
| Athericidae | 838 | 75 | 60 | 48 |
| Ceratopogonidae | 819 | 1 | 2 | 5 |
| Chironomidae | 807 | 126 | 420 | 252 |
| Dixidae | 793 | 1 | ||
| Ephydridae | 844 | 5 | ||
| Simuliidae | 801 | 1 | ||
| Tipulidae | 753 | 1 | ||
| Calopteryx | 650 | 2 | ||
| Gomphus | 679 | 3 | 1 | |
| Onychogomphus | 682 | 4 | ||
| Platycnemis | 657 | 23 | 7 | |
| Sialis | 704 | 3 | ||
| Gammarus | 892 | 3 | ||
| Gammaridae | 887 | 3 | ||
| Copepoda | 3206 | 1 | 1 | |
| Hydracarina | 906 | 1 | 1 | 1 |
| Corbicula | 1051 | 12 | 100 | 53 |
| Pisidium | 1043 | 3 | 1 | 1 |
| Sphaeriidae | 1042 | 3 | ||
| Potamopyrgus antipodarum | 979 | 5 | 3 | 5 |
| Radix | 1004 | 1 | ||
| Lymnaeidae | 998 | 2 | ||
| Physa (sensu lato) | 997 | 44 | ||
| Physella | 19280 | 31 | ||
| Ancylus fluviatilis | 1029 | 3 | 1 | |
| Oligochaeta | 933 | 114 | 160 | 133 |
| Prostoma | 3110 | 1 | 1 | 1 |
| Nematoda | 1089 | 1 | 1 |