Listes faunistiques invertébrés
La Truyère en amont de La Villedieu 05098850
- Télécharger la fiche IRSTEA xls / 109 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 27/07/2015 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 15.0 |
| GFI | 9 |
| Variété taxonomique | 22 |
| Taxon indicateur | Perlodidae |
| I2M2 | 0.5215 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | 77.0 | dominant |
| Litieres | ||
| Branchage, racines | ||
| Pierres, galets | 13.0 | dominant |
| Blocs | 1.0 | marginal |
| Granulats | 2.0 | marginal |
| Helophytes | 5.0 | dominant |
| Vases | ||
| Sables | 1.0 | marginal |
| Algues | ||
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Blocs | Lente | A |
| P2 | Granulats | Lente | A |
| P3 | Sables | Nulle | A |
| P4 | Dalles, argiles | Lente | A |
| P5 | Hydrophytes | Lente | B |
| P6 | Pierres, galets | Lente | B |
| P7 | Helophytes | Nulle | B |
| P8 | Hydrophytes | Moyenne | B |
| P9 | Hydrophytes | Nulle | C |
| P10 | Hydrophytes | Lente | C |
| P11 | Hydrophytes | Moyenne | C |
| P12 | Hydrophytes | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 2 | 1 | |
| Protonemura | 46 | 3 | 39 | |
| Isoperla | 140 | 1 | 1 | |
| Perlodes | 150 | 2 | ||
| Taeniopteryx | 14 | 1 | 5 | 27 |
| Hydropsyche | 212 | 1 | 1 | |
| Limnephilidae | 276 | 13 | 1 | 2 |
| Odontocerum | 339 | 11 | 1 | |
| Rhyacophila lato-sensu | 183 | 3 | ||
| Baetis | 364 | 185 | 250 | 327 |
| Cloeon | 387 | 1 | ||
| Ephemerella | 450 | 55 | 152 | 208 |
| Torleya | 2391 | 1 | ||
| Ecdyonurus | 421 | 2 | 2 | |
| Rhithrogena | 404 | 5 | ||
| Heptageniidae | 399 | 2 | ||
| Elmis | 618 | 13 | 24 | 35 |
| Esolus | 619 | 5 | ||
| Limnius | 623 | 22 | 9 | |
| Hydraena | 608 | 2 | 2 | |
| Athericidae | 838 | 4 | 3 | |
| Ceratopogonidae | 819 | 5 | 2 | |
| Chironomidae | 807 | 322 | 42 | 24 |
| Simuliidae | 801 | 24 | 17 | 26 |
| Gammarus | 892 | 24 | 520 | 900 |
| Hydracarina | 906 | 1 | 1 | |
| Erpobdellidae | 928 | 3 | 2 | 1 |
| Glossiphoniidae | 908 | 1 | ||
| Oligochaeta | 933 | 177 | 8 | |
| Planariidae | 1061 | 8 | 12 | 6 |