Listes faunistiques invertébrés
La Garonne à St-Aignan 05152000
- Télécharger la fiche IRSTEA xls / 82 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 23/07/2009 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 12.0 |
| GFI | 5 |
| Variété taxonomique | 26 |
| Taxon indicateur | Heptageniidae |
| I2M2 | 0.7020 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 2.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 81.0 | dominant |
| Blocs | 2.0 | marginal |
| Granulats | 5.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 1.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 8.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Hydrophytes | Lente | B1 |
| P2 | Hydrophytes | Nulle | B1 |
| P3 | Branchage, racines | Nulle | B1 |
| P4 | Branchage, racines | Lente | B1 |
| P5 | Pierres, galets | Lente | B2 |
| P6 | Pierres, galets | Moyenne | B2 |
| P7 | Granulats | Nulle | B2 |
| P8 | Dalles, argiles | Lente | B2 |
| P9 | Pierres, galets | Nulle | B3 |
| P10 | Pierres, galets | Lente | B3 |
| P11 | Granulats | Lente | B3 |
| P12 | Dalles, argiles | Moyenne | B3 |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Oligoplectrum | 263 | 1 | ||
| Cheumatopsyche | 221 | 12 | 6 | |
| Hydropsyche | 212 | 6 | 33 | 30 |
| Lepidostoma | 305 | 1 | 1 | |
| Adicella | 320 | 1 | ||
| Athripsodes | 311 | 2 | 1 | |
| Ceraclea | 313 | 2 | ||
| Plectrocnemia | 228 | 1 | ||
| Polycentropus | 231 | 6 | ||
| Psychomyia | 239 | 2 | 21 | 29 |
| Baetis | 364 | 315 | 48 | 435 |
| Caenis | 457 | 4 | 18 | 29 |
| Ephemerella | 450 | 1 | 1 | |
| Ecdyonurus | 421 | 31 | ||
| Heptagenia | 443 | 2 | 19 | 27 |
| Choroterpes | 474 | 1 | ||
| Ephoron | 496 | 29 | 14 | |
| Potamanthus | 509 | 6 | ||
| Limnius | 623 | 11 | 17 | |
| Oulimnius | 622 | 2 | ||
| Stenelmis | 617 | 3 | 2 | |
| Athericidae | 838 | 1 | ||
| Chironomidae | 807 | 62 | 24 | 28 |
| Limoniidae | 757 | 1 | ||
| Simuliidae | 801 | 256 | ||
| Calopteryx | 650 | 1 | ||
| Coenagrionidae | 658 | 5 | ||
| Echinogammarus | 888 | 1088 | 225 | 124 |
| Asellidae | 880 | 22 | ||
| Atyaephyra | 861 | 7 | 13 | |
| Orconectes | 870 | 1 | ||
| Corbicula | 1051 | 3 | 28 | 17 |
| Ancylus | 1028 | 9 | 12 | |
| Bithynia | 994 | 1 | ||
| Physa (sensu lato) | 997 | 1 | 2 |