Listes faunistiques invertébrés
Le Tarn à l'amont de Millau 05147000
- Télécharger la fiche IRSTEA xls / 29 ko
- Export SEEE csv / 8 ko
| Date prélèvement | 01/08/2012 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 17.0 |
| GFI | 8 |
| Variété taxonomique | 33 |
| Taxon indicateur | Brachycentridae |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 2.0 | marginal |
| Hydrophytes | 1.0 | marginal |
| Litieres | 2.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 33.0 | dominant |
| Blocs | 37.0 | dominant |
| Granulats | 3.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 2.0 | marginal |
| Algues | 3.0 | marginal |
| Dalles, argiles | 16.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Hydrophytes | Lente | A |
| P3 | Litieres | Nulle | A |
| P4 | Branchage, racines | Nulle | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Blocs | Lente | B |
| P7 | Dalles, argiles | Lente | B |
| P8 | Blocs | Moyenne | B |
| P9 | Pierres, galets | Moyenne | C |
| P10 | Blocs | Rapide | C |
| P11 | Pierres, galets | Rapide | C |
| P12 | Blocs | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Euleuctra geniculata | 68 | 3 | 4 | |
| Leuctra | 69 | 4 | 13 | 40 |
| Dinocras | 156 | 1 | ||
| Oligoplectrum | 263 | 10 | 1 | |
| Agapetus | 191 | 1 | ||
| Cheumatopsyche | 221 | 16 | 48 | |
| Hydropsyche | 212 | 6 | 10 | |
| Hydroptilidae | 193 | 2 | 3 | |
| Hydroptila | 200 | 5 | 1 | 6 |
| Orthotrichia | 197 | 1 | ||
| Mystacides | 312 | 7 | ||
| Polycentropus | 231 | 4 | 2 | |
| Psychomyia | 239 | 1 | 2 | 7 |
| Rhyacophila lato-sensu | 183 | 1 | ||
| Baetidae | 363 | 13 | 3 | |
| Baetis | 364 | 8 | 21 | 96 |
| Procloeon | 390 | 2 | 2 | |
| Caenis | 457 | 10 | 7 | |
| Ephemerella ignita | 451 | 8 | 5 | 50 |
| Ecdyonurus | 421 | 7 | 20 | |
| Heptagenia sulphurea | 448 | 2 | 5 | |
| Choroterpes | 474 | 25 | ||
| Oligoneuriella | 394 | 1 | 1 | |
| Micronecta | 719 | 8 | 2 | |
| Dryops | 613 | 1 | ||
| Dupophilus | 620 | 2 | ||
| Elmis | 618 | 9 | 1 | 2 |
| Esolus | 619 | 2 | 9 | 7 |
| Limnius | 623 | 1 | 3 | |
| Macronychus | 626 | 1 | ||
| Normandia | 624 | 1 | ||
| Oulimnius | 622 | 6 | 1 | 1 |
| Hydrocyphon | 637 | 1 | ||
| Hydrophilinae | 2517 | 1 | ||
| Anthomyidae | 847 | 1 | ||
| Athericidae | 838 | 1 | 1 | |
| Chironomidae | 807 | 432 | 16 | 48 |
| Empididae | 831 | 1 | 2 | |
| Limoniidae | 757 | 2 | 10 | 3 |
| Simuliidae | 801 | 1 | 3 | |
| Copepoda | 3206 | 1 | ||
| Ostracoda | 3170 | 2 | ||
| Gammaridae | 887 | 2 | 2 | |
| Gammarus | 892 | 3 | 3 | |
| Hydracarina | 906 | 136 | 48 | 56 |
| Ancylus | 1028 | 1 | 3 | 2 |
| Theodoxus | 967 | 1 | 4 | |
| Glossiphoniidae | 908 | 1 | ||
| Oligochaeta | 933 | 288 | 3 | |
| Dugesiidae | 1055 | 1 | ||
| Prostoma | 3110 | 1 |