Listes faunistiques invertébrés
La Truyère à Entraygues 05096000
- Télécharger la fiche IRSTEA xls / 42 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 25/06/2010 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 14.0 |
| GFI | 8 |
| Variété taxonomique | 22 |
| Taxon indicateur | Brachycentridae |
| I2M2 | 0.6503 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 40.0 | dominant |
| Hydrophytes | 3.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 40.0 | dominant |
| Blocs | 16.0 | dominant |
| Granulats | 0.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 0.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 0.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Hydrophytes | Moyenne | B1 |
| P2 | Hydrophytes | Lente | B1 |
| P3 | Branchage, racines | Lente | B1 |
| P4 | Branchage, racines | Nulle | B1 |
| P5 | Bryophytes | Lente | B2 |
| P6 | Bryophytes | Moyenne | B2 |
| P7 | Pierres, galets | Lente | B2 |
| P8 | Blocs | Moyenne | B2 |
| P9 | Bryophytes | Rapide | B3 |
| P10 | Bryophytes | Nulle | B3 |
| P11 | Pierres, galets | Moyenne | B3 |
| P12 | Pierres, galets | Rapide | B3 |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Euleuctra | 67 | 2 | ||
| Leuctra | 69 | 2 | 2 | |
| Protonemura | 46 | 4 | 1 | |
| Brachycentrus | 265 | 28 | 1 | 3 |
| Micrasema | 268 | 6 | 74 | 32 |
| Cheumatopsyche | 221 | 1 | ||
| Hydropsyche | 212 | 47 | 23 | 6 |
| Hydroptila | 200 | 2 | ||
| Lepidostoma | 305 | 3 | ||
| Adicella | 320 | 1 | ||
| Athripsodes | 311 | 1 | 1 | |
| Limnephilinae | 3163 | 1 | ||
| Polycentropus | 231 | 1 | 2 | |
| Psychomyia | 239 | 2 | ||
| Rhyacophila lato-sensu | 183 | 5 | 4 | 4 |
| Sericostoma | 322 | 1 | ||
| Baetis | 364 | 67 | 34 | 28 |
| Ephemerella | 450 | 245 | 276 | 485 |
| Ecdyonurus | 421 | 10 | 4 | |
| Heptagenia | 443 | 8 | 4 | |
| Elmis | 618 | 6 | 1 | |
| Limnius | 623 | 2 | ||
| Oulimnius | 622 | 1 | 1 | |
| Chironomidae | 807 | 285 | 218 | 82 |
| Simuliidae | 801 | 18 | ||
| Pisidium | 1043 | 1 | ||
| Ancylus | 1028 | 1 | 1 | |
| Bythinella | 992 | 1 | ||
| Oligochaeta | 933 | 3 | ||
| Hydracarina | 906 | 3 |