Listes faunistiques invertébrés
La Lèze à Lézat-sur-Lèze 05165255
- Télécharger la fiche IRSTEA xls / 618 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 18/07/2023 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 10.0 |
| GFI | 5 |
| Variété taxonomique | 20 |
| I2M2 | 0.4855 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 1.0 | marginal |
| Blocs | ||
| Granulats | 3.0 | marginal |
| Helophytes | ||
| Vases | ||
| Sables | 89.0 | dominant |
| Algues | ||
| Dalles, argiles | 4.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Pierres, galets | Nulle | A |
| P4 | Granulats | Lente | A |
| P5 | Sables | Nulle | B |
| P6 | Sables | Lente | B |
| P7 | Sables | Nulle | 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 |
|---|---|---|---|---|
| Macronychus | 626 | 1 | ||
| Physella | 19280 | 1 | ||
| Copepoda | 3206 | 1 | ||
| Hydrozoa | 3168 | 1 | ||
| Corbicula | 1051 | 30 | 18 | 24 |
| Ancylus fluviatilis | 1029 | 1 | ||
| Potamopyrgus antipodarum | 979 | 1 | 1 | |
| Oligochaeta | 933 | 7 | 49 | 22 |
| Hydracarina | 906 | 1 | 1 | 1 |
| Athericidae | 838 | 14 | 11 | 19 |
| Tabanidae | 837 | 1 | ||
| Empididae | 831 | 1 | ||
| Ceratopogonidae | 819 | 2 | 5 | |
| Chironomidae | 807 | 67 | 11 | 17 |
| Micronecta | 719 | 1 | 5 | |
| Gomphus | 679 | 3 | ||
| Leuctra | 69 | 1 | 1 | |
| Riolus | 625 | 3 | ||
| Limnius | 623 | 1 | ||
| Oulimnius | 622 | 1 | 2 | |
| Esolus | 619 | 4 | 3 | 6 |
| Ephoron virgo | 497 | 12 | 9 | 12 |
| Caenis | 457 | 4 | 1 | |
| Procloeon | 390 | 6 | 8 | 1 |
| Baetidae | 363 | 1 | ||
| Oecetis | 317 | 1 | ||
| Mystacides | 312 | 1 | ||
| Polycentropus | 231 | 2 | ||
| Cyrnus | 224 | 3 | 1 | |
| Hydroptila | 200 | 2 | ||
| Orthotrichia | 197 | 2 |