Listes faunistiques invertébrés
La Truyère en amont de La Villedieu 05098850
- Télécharger la fiche IRSTEA xls / 107 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 28/08/2019 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 16.0 |
| GFI | 9 |
| Variété taxonomique | 26 |
| Taxon indicateur | Perlodidae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 64.0 | dominant |
| Litieres | 0.0 | marginal |
| Branchage, racines | 0.0 | marginal |
| Pierres, galets | 18.0 | dominant |
| Blocs | 2.0 | marginal |
| Granulats | 8.0 | dominant |
| Helophytes | 6.0 | dominant |
| Vases | 0.0 | marginal |
| Sables | 1.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Blocs | Moyenne | A |
| P2 | Sables | Nulle | A |
| P3 | Dalles, argiles | Moyenne | A |
| P4 | Blocs | Lente | A |
| P5 | Hydrophytes | Moyenne | B |
| P6 | Pierres, galets | Moyenne | B |
| P7 | Granulats | Moyenne | B |
| P8 | Helophytes | Nulle | B |
| P9 | Hydrophytes | Lente | C |
| P10 | Hydrophytes | Nulle | C |
| P11 | Hydrophytes | Moyenne | C |
| P12 | Hydrophytes | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Siphonoperla | 174 | 1 | ||
| Leuctra | 69 | 1 | 6 | |
| Protonemura | 46 | 20 | 19 | 2 |
| Isoperla | 140 | 10 | 28 | |
| Perlodes | 150 | 2 | 3 | |
| Taeniopteryx | 14 | 3 | 1 | 3 |
| Micrasema | 268 | 16 | 6 | |
| Hydropsyche | 212 | 7 | 7 | |
| Drusinae | 3120 | 2 | 12 | |
| Odontocerum | 339 | 10 | 2 | |
| Plectrocnemia | 228 | 1 | ||
| Rhyacophila lato-sensu | 183 | 4 | 2 | |
| Baetis lato sensu | 9794 | 1280 | 752 | 952 |
| Ephemerella ignita | 451 | 31 | 80 | 26 |
| Ecdyonurus | 421 | 10 | 12 | |
| Epeorus | 400 | 2 | 4 | |
| Rhithrogena | 404 | 11 | 74 | |
| Heptageniidae | 399 | 1 | 6 | |
| Dupophilus | 620 | 4 | ||
| Elmis | 618 | 256 | 88 | 18 |
| Esolus | 619 | 8 | 44 | |
| Limnius | 623 | 56 | 72 | 1 |
| Hydraena | 608 | 3 | 2 | |
| Athericidae | 838 | 8 | ||
| Ceratopogoninae | 822 | 1 | 2 | |
| Chironomidae | 807 | 9 | 22 | 16 |
| Limoniidae | 757 | 7 | 1 | |
| Simuliidae | 801 | 6 | 25 | 50 |
| Gammarus | 892 | 5280 | 2832 | 1728 |
| Pisidium | 1043 | 1 | ||
| Ancylus | 1028 | 1 | ||
| Erpobdellidae | 928 | 1 | 11 | |
| Glossiphoniidae | 908 | 1 | ||
| Oligochaeta | 933 | 40 | 88 | |
| Polycelis | 1064 | 24 | 14 | 25 |
| Hydracarina | 906 | 1 |