Listes faunistiques invertébrés
La Lèze à Lézat-sur-Lèze 05165255
- Télécharger la fiche IRSTEA xls / 646 ko
- Export SEEE csv / 8 ko
| Date prélèvement | 23/06/2020 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 17.0 |
| GFI | 7 |
| Variété taxonomique | 37 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 3.0 | marginal |
| Pierres, galets | ||
| Blocs | ||
| Granulats | 27.0 | dominant |
| Helophytes | 1.0 | marginal |
| Vases | ||
| Sables | 67.0 | dominant |
| Algues | ||
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Helophytes | Nulle | A |
| P4 | Dalles, argiles | Nulle | A |
| P5 | Granulats | Nulle | B |
| P6 | Sables | Nulle | B |
| P7 | Granulats | Lente | B |
| P8 | Sables | Lente | B |
| P9 | Sables | Nulle | C |
| P10 | Sables | Lente | C |
| P11 | Sables | Nulle | C |
| P12 | Sables | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra geniculata | 33830 | 3 | 2 | |
| Goera pilosa | 288 | 1 | 1 | 1 |
| Hydroptila | 200 | 50 | 16 | 4 |
| Ithytrichia | 198 | 1 | 1 | |
| Hydroptilidae | 193 | 1 | ||
| Athripsodes | 311 | 1 | ||
| Mystacides | 312 | 6 | 3 | |
| Oecetis | 317 | 4 | 1 | 3 |
| Triaenodes | 314 | 1 | ||
| Leptoceridae | 310 | 1 | 1 | |
| Cyrnus | 224 | 2 | ||
| Polycentropodidae | 223 | 1 | ||
| Lype | 241 | 2 | ||
| Psychomyia pusilla | 240 | 4 | 3 | |
| Centroptilum luteolum | 384 | 17 | ||
| Procloeon | 390 | 2 | 2 | 7 |
| Caenis | 457 | 10 | 2 | 8 |
| Ephemerella ignita | 451 | 6 | 3 | 1 |
| Ephemera | 502 | 1 | 1 | 4 |
| Electrogena | 3181 | 1 | ||
| Heptageniidae | 399 | 2 | 1 | |
| Leptophlebiidae | 473 | 2 | ||
| Ephoron virgo | 497 | 44 | 35 | 39 |
| Aphelocheirus aestivalis | 2714 | 1 | 1 | |
| Micronecta | 719 | 15 | 18 | 6 |
| Hydrometra | 740 | 2 | ||
| Dryops | 613 | 2 | ||
| Laccophilinae | 2394 | 7 | ||
| Esolus | 619 | 7 | 10 | 10 |
| Limnius | 623 | 3 | 4 | 2 |
| Oulimnius | 622 | 9 | 5 | |
| Athericidae | 838 | 2 | 1 | 2 |
| Ceratopogonidae | 819 | 3 | 2 | 3 |
| Chironomidae | 807 | 184 | 200 | 248 |
| Culicidae | 796 | 1 | ||
| Dixidae | 793 | 2 | ||
| Empididae | 831 | 4 | 1 | |
| Limoniidae | 757 | 17 | 1 | 2 |
| Simuliidae | 801 | 2 | ||
| Boyeria irene | 671 | 1 | ||
| Onychogomphus | 682 | 4 | 5 | 1 |
| Chalcolestes viridis | 2612 | 1 | ||
| Platycnemis | 657 | 25 | 1 | |
| Gammarus | 892 | 1 | ||
| Gammaridae | 887 | 1 | ||
| Corbicula | 1051 | 21 | 25 | 28 |
| Pisidium | 1043 | 1 | ||
| Sphaeriidae | 1042 | 1 | ||
| Physa (sensu lato) | 997 | 4 | ||
| Physella | 19280 | 18 | ||
| Oligochaeta | 933 | 5 | 6 | 22 |
| Nematoda | 1089 | 1 | 1 | |
| Cladocera | 3127 | 1 | ||
| Copepoda | 3206 | 1 | ||
| Hydracarina | 906 | 1 | 1 | 1 |