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 | 26/07/2016 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 16.0 |
| GFI | 9 |
| Variété taxonomique | 27 |
| Taxon indicateur | Perlodidae |
| I2M2 | 0.5310 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | 70.0 | dominant |
| Litieres | ||
| Branchage, racines | ||
| Pierres, galets | 10.0 | dominant |
| Blocs | 2.0 | marginal |
| Granulats | 3.0 | marginal |
| Helophytes | 13.0 | dominant |
| Vases | ||
| Sables | 1.0 | marginal |
| Algues | ||
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Blocs | Moyenne | A |
| P2 | Granulats | Lente | A |
| P3 | Sables | Lente | A |
| P4 | Dalles, argiles | Moyenne | A |
| P5 | Hydrophytes | Nulle | B |
| P6 | Pierres, galets | Moyenne | B |
| P7 | Helophytes | Nulle | B |
| P8 | Hydrophytes | Lente | B |
| P9 | Hydrophytes | Moyenne | C |
| P10 | Hydrophytes | Nulle | C |
| P11 | Hydrophytes | Lente | C |
| P12 | Hydrophytes | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Siphonoperla | 174 | 1 | ||
| Leuctra | 69 | 6 | ||
| Protonemura | 46 | 2 | 2 | 17 |
| Perlodes | 150 | 2 | 1 | |
| Taeniopteryx | 14 | 1 | 2 | |
| Micrasema | 268 | 1 | ||
| Drusinae | 3120 | 15 | 4 | 1 |
| Odontocerum | 339 | 9 | 1 | |
| Rhyacophila lato-sensu | 183 | 1 | 3 | |
| Sericostomatidae | 321 | 1 | 1 | |
| Baetis | 364 | 84 | 116 | 53 |
| Ephemerella | 450 | 32 | 146 | 25 |
| Ecdyonurus | 421 | 1 | ||
| Rhithrogena | 404 | 8 | 7 | 1 |
| Veliidae | 743 | 1 | ||
| Dupophilus | 620 | 5 | 1 | |
| Elmis | 618 | 19 | 46 | 26 |
| Esolus | 619 | 15 | 4 | 1 |
| Limnius | 623 | 75 | 9 | 5 |
| Hydraena | 608 | 1 | ||
| Athericidae | 838 | 12 | 13 | 3 |
| Ceratopogonidae | 819 | 5 | ||
| Chironomidae | 807 | 58 | 139 | 51 |
| Empididae | 831 | 1 | ||
| Limoniidae | 757 | 3 | ||
| Simuliidae | 801 | 29 | 153 | 218 |
| Gammarus | 892 | 433 | 1395 | 857 |
| Hydracarina | 906 | 2 | ||
| Sphaeriidae | 1042 | 2 | ||
| Ancylus | 1028 | 1 | ||
| Erpobdellidae | 928 | 3 | 4 | 1 |
| Oligochaeta | 933 | 32 | 9 | 2 |
| Planariidae | 1061 | 21 | 3 | 1 |