Listes faunistiques invertébrés
La Truyère en amont de La Villedieu 05098850
- Télécharger la fiche IRSTEA xls / 111 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 28/07/2021 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 17.0 |
| GFI | 9 |
| Variété taxonomique | 32 |
| I2M2 | 0.6223 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 71.0 | dominant |
| Litieres | ||
| Branchage, racines | ||
| Pierres, galets | 8.0 | dominant |
| Blocs | 1.0 | marginal |
| Granulats | 14.0 | dominant |
| Helophytes | 3.0 | marginal |
| Vases | ||
| Sables | 1.0 | marginal |
| Algues | ||
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Lente | A |
| P2 | Blocs | Moyenne | A |
| P3 | Helophytes | Nulle | A |
| P4 | Sables | Nulle | A |
| P5 | Hydrophytes | Lente | B |
| P6 | Pierres, galets | Moyenne | B |
| P7 | Granulats | Lente | 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 |
|---|---|---|---|---|
| Chloroperlidae | 169 | 5 | ||
| Leuctra | 69 | 2 | 1 | |
| Protonemura | 46 | 21 | 3 | 1 |
| Isoperla | 140 | 1 | 1 | |
| Perlodes | 150 | 5 | ||
| Perlodidae | 127 | 1 | 3 | |
| Taeniopteryx | 14 | 1 | 7 | |
| Micrasema | 268 | 4 | ||
| Goeridae | 286 | 1 | ||
| Hydropsyche | 212 | 1 | ||
| Drusinae | 3120 | 4 | 512 | |
| Limnephilinae | 3163 | 2 | 65 | |
| Odontocerum | 339 | 10 | 3 | 1 |
| Rhyacophila lato-sensu | 183 | 2 | 7 | |
| Sericostoma | 322 | 1 | ||
| Baetis | 364 | 297 | 1376 | 173 |
| Ephemerella ignita | 451 | 136 | 596 | 354 |
| Ecdyonurus | 421 | 11 | ||
| Rhithrogena | 404 | 5 | 144 | 1 |
| Heptageniidae | 399 | 6 | ||
| Elmis | 618 | 50 | 224 | 12 |
| Esolus | 619 | 4 | 144 | |
| Limnius | 623 | 4 | 273 | 1 |
| Elmidae | 614 | 2 | ||
| Hydraena | 608 | 1 | 4 | |
| Atherix | 839 | 4 | ||
| Ceratopogoninae | 822 | 1 | ||
| Chironomidae | 807 | 656 | 448 | 168 |
| Hexatomini | 20358 | 1 | ||
| Limoniini | 20393 | 1 | ||
| Pediciini | 20537 | 3 | ||
| Simuliidae | 801 | 56 | 48 | 44 |
| Gammarus | 892 | 1681 | 1754 | 1397 |
| Ostracoda | 3170 | 1 | 1 | |
| Pisidium | 1043 | 1 | ||
| Bythinella | 992 | 1 | ||
| Ancylus | 1028 | 1 | ||
| Erpobdellidae | 928 | 2 | 5 | 2 |
| Helobdella | 912 | 1 | ||
| Oligochaeta | 933 | 212 | 692 | |
| Polycelis | 1064 | 68 | 7 | 1 |
| Mermithoïdea | 3159 | 3 | 1 | |
| Hydracarina | 906 | 7 | 8 | 2 |