Listes faunistiques invertébrés
La Lèze à Lézat-sur-Lèze 05165255
- Télécharger la fiche IRSTEA xls / 101 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 21/09/2017 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 12.0 |
| GFI | 6 |
| Variété taxonomique | 23 |
| Taxon indicateur | Ephemeridae |
| I2M2 | 0.3167 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 2.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 0.0 | marginal |
| Blocs | 1.0 | marginal |
| Granulats | 37.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 58.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Blocs | 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 | Granulats | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leptocerus | 319 | 1 | ||
| Leptoceridae | 310 | 1 | ||
| Centroptilum luteolum | 384 | 1 | 2 | |
| Procloeon | 390 | 2 | ||
| Procloeon bifidum | 391 | 6 | ||
| Baetidae | 363 | 9 | 4 | |
| Caenis | 457 | 1 | 1 | |
| Ephemera | 502 | 3 | 3 | 1 |
| Habroleptoides | 485 | 1 | ||
| Leptophlebiidae | 473 | 1 | ||
| Micronecta | 719 | 5 | 28 | |
| Dryops | 613 | 4 | ||
| Esolus | 619 | 1 | 3 | |
| Limnius | 623 | 1 | 1 | |
| Macronychus | 626 | 1 | ||
| Oulimnius | 622 | 7 | ||
| Riolus | 625 | 1 | ||
| Stenelmis | 617 | 4 | 1 | |
| Haliplus | 518 | 1 | ||
| Athericidae | 838 | 14 | 12 | 5 |
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 52 | 72 | 20 |
| Tabanidae | 837 | 1 | 2 | 1 |
| Onychogomphus | 682 | 1 | ||
| Platycnemis | 657 | 6 | ||
| Gammarus | 892 | 3 | ||
| Corbicula | 1051 | 4 | 9 | 1 |
| Pisidium | 1043 | 3 | 3 | |
| Potamopyrgus antipodarum | 979 | 6 | 1 | |
| Physa (sensu lato) | 997 | 4 | ||
| Glossiphoniidae | 908 | 1 | ||
| Oligochaeta | 933 | 48 | 189 | 85 |
| Nemathelmintha | 3111 | 1 | ||
| Cladocera | 3127 | 1 | ||
| Hydracarina | 906 | 1 | 1 |