Listes faunistiques invertébrés
La Garonne à St-Aignan 05152000
- Télécharger la fiche IRSTEA xls / 82 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 31/08/2010 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 12.0 |
| GFI | 5 |
| Variété taxonomique | 27 |
| Taxon indicateur | Hydroptilidae |
| I2M2 | 0.9030 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 3.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 70.0 | dominant |
| Blocs | 6.0 | dominant |
| Granulats | 6.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 1.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 13.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Hydrophytes | Lente | B1 |
| P2 | Branchage, racines | Nulle | B1 |
| P3 | Hydrophytes | Nulle | B1 |
| P4 | Sables | Nulle | B1 |
| P5 | Pierres, galets | Lente | B2 |
| P6 | Blocs | Lente | B2 |
| P7 | Granulats | Nulle | B2 |
| P8 | Dalles, argiles | Lente | B2 |
| P9 | Pierres, galets | Moyenne | B3 |
| P10 | Pierres, galets | Nulle | B3 |
| P11 | Pierres, galets | Moyenne | B3 |
| P12 | Pierres, galets | Lente | B3 |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydropsyche | 212 | 2 | ||
| Hydroptila | 200 | 4 | 1 | |
| Lepidostoma | 305 | 1 | ||
| Mystacides | 312 | 1 | 1 | |
| Polycentropus | 231 | 1 | ||
| Psychomyia | 239 | 5 | ||
| Baetidae | 363 | 3 | ||
| Baetis | 364 | 2 | 5 | 1 |
| Centroptilum | 383 | 2 | ||
| Cloeon | 387 | 1 | ||
| Procloeon | 390 | 9 | 16 | 9 |
| Pseudocentroptilum | 3207 | 4 | ||
| Caenis | 457 | 1 | 1 | |
| Heptagenia | 443 | 2 | ||
| Ephoron | 496 | 2 | ||
| Aphelocheirus | 721 | 1 | 1 | |
| Micronecta | 719 | 2 | 2 | 1 |
| Corixinae | 5196 | 3 | ||
| Gerris | 735 | 12 | 2 | |
| Esolus | 619 | 8 | 4 | |
| Limnius | 623 | 3 | ||
| Oulimnius | 622 | 5 | 1 | |
| Stenelmis | 617 | 12 | 4 | |
| Haliplus | 518 | 10 | 1 | 3 |
| Hydrophilinae | 2517 | 2 | ||
| Chironomidae | 807 | 88 | 39 | 36 |
| Simuliidae | 801 | 1 | ||
| Calopteryx | 650 | 20 | ||
| Coenagrionidae | 658 | 55 | 1 | 6 |
| Echinogammarus | 888 | 14 | 6 | 4 |
| Atyaephyra | 861 | 69 | ||
| Corbicula | 1051 | 6 | ||
| Ancylus | 1028 | 2 | ||
| Bythinella | 992 | 1 | ||
| Theodoxus | 967 | 24 | 5 | |
| Physa (sensu lato) | 997 | 5 | 1 |