Listes faunistiques invertébrés
Le Tarn à l'amont de Millau 05147000
- Télécharger la fiche IRSTEA xls / 133 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 10/08/2010 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 15.0 |
| GFI | 8 |
| Variété taxonomique | 28 |
| Taxon indicateur | Brachycentridae |
| I2M2 | 0.7560 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 2.0 | marginal |
| Hydrophytes | 4.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 50.0 | dominant |
| Blocs | 30.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 0.0 | marginal |
| Algues | 1.0 | marginal |
| Dalles, argiles | 11.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | B1 |
| P2 | Hydrophytes | Lente | B1 |
| P3 | Branchage, racines | Nulle | B1 |
| P4 | Granulats | Lente | B1 |
| P5 | Pierres, galets | Lente | B2 |
| P6 | Blocs | Moyenne | B2 |
| P7 | Dalles, argiles | Moyenne | B2 |
| P8 | Pierres, galets | Moyenne | B2 |
| P9 | Pierres, galets | Rapide | B3 |
| P10 | Pierres, galets | Nulle | B3 |
| P11 | Blocs | Rapide | B3 |
| P12 | Pierres, galets | Lente | B3 |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Euleuctra | 67 | 60 | ||
| Leuctra | 69 | 69 | 195 | 42 |
| Perla | 164 | 1 | ||
| Oligoplectrum | 263 | 1 | 2 | 3 |
| Goeridae | 286 | 1 | ||
| Goera | 287 | 1 | ||
| Cheumatopsyche | 221 | 188 | 7 | 26 |
| Hydropsyche | 212 | 10 | 7 | 24 |
| Hydroptila | 200 | 5 | 5 | 2 |
| Orthotrichia | 197 | 2 | 2 | |
| Mystacides | 312 | 11 | 1 | |
| Polycentropus | 231 | 1 | 6 | |
| Psychomyia | 239 | 2 | 2 | |
| Rhyacophila lato-sensu | 183 | 1 | 2 | |
| Baetis | 364 | 412 | 60 | 166 |
| Caenis | 457 | 6 | ||
| Ephemerella | 450 | 6 | 3 | 14 |
| Ecdyonurus | 421 | 13 | 25 | |
| Heptagenia | 443 | 5 | 6 | |
| Rhithrogena | 404 | 2 | 10 | |
| Choroterpes | 474 | 12 | 2 | |
| Oligoneuriella | 394 | 1 | 2 | |
| Potamanthus | 509 | 1 | ||
| Elmis | 618 | 40 | 6 | 4 |
| Esolus | 619 | 29 | 42 | 15 |
| Limnius | 623 | 2 | 6 | 1 |
| Oulimnius | 622 | 24 | 9 | 2 |
| Orectochilus | 515 | 1 | ||
| Hydrophilinae | 2517 | 1 | ||
| Athericidae | 838 | 3 | ||
| Chironomidae | 807 | 165 | 18 | 64 |
| Limoniidae | 757 | 1 | 9 | 3 |
| Simuliidae | 801 | 53 | 51 | |
| Onychogomphus | 682 | 1 | ||
| Gammarus | 892 | 22 | 7 | 1 |
| Asellidae | 880 | 2 | ||
| Potamopyrgus | 978 | 1 | ||
| Theodoxus | 967 | 1 |