Listes faunistiques invertébrés
Le Riou Viou à Aubin 05093700
- Télécharger la fiche IRSTEA xls / 123 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 07/06/2023 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 15.0 |
| GFI | 9 |
| Variété taxonomique | 22 |
| I2M2 | 0.5955 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 67.0 | dominant |
| Blocs | 10.0 | dominant |
| Granulats | 4.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 6.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 10.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Lente | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Nulle | A |
| P4 | Granulats | Nulle | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Blocs | Nulle | B |
| P7 | Sables | Nulle | B |
| P8 | Dalles, argiles | Nulle | B |
| P9 | Pierres, galets | Nulle | C |
| P10 | Pierres, galets | Moyenne | C |
| P11 | Pierres, galets | Lente | C |
| P12 | Pierres, galets | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Ancylus | 1028 | 3 | 7 | 6 |
| Dicranota | 765 | 3 | 5 | |
| Dixidae | 793 | 3 | ||
| Simuliidae | 801 | 2 | 3 | |
| Chironomidae | 807 | 26 | 15 | 29 |
| Gammarus | 892 | 1 | ||
| Erpobdellidae | 928 | 1 | ||
| Oligochaeta | 933 | 20 | 10 | 14 |
| Potamopyrgus | 978 | 3 | 8 | 1 |
| Sialis | 704 | 1 | ||
| Pisidium | 1043 | 6 | 1 | |
| Drusinae | 3120 | 1 | ||
| Limnephilinae | 3163 | 1 | ||
| Electrogena | 3181 | 1 | 1 | |
| Serratella | 5152 | 174 | 12 | 41 |
| Baetis lato sensu | 9794 | 15 | 14 | 32 |
| Procloeon pennulatum | 29153 | 1 | ||
| Leuctra | 69 | 3 | 4 | 4 |
| Calopteryx | 650 | 1 | ||
| Oulimnius | 622 | 9 | 12 | 4 |
| Esolus | 619 | 1 | 2 | 9 |
| Helophorus | 604 | 1 | ||
| Habrophlebia | 491 | 4 | 5 | 1 |
| Leptophlebiidae | 473 | 7 | 3 | 4 |
| Caenis | 457 | 4 | 3 | 1 |
| Ecdyonurus | 421 | 20 | 34 | 53 |
| Rhithrogena | 404 | 1 | 3 | 32 |
| Centroptilum | 383 | 1 | ||
| Silo | 292 | 1 | ||
| Agapetus | 191 | 2 | ||
| Glossosomatidae | 189 | 2 | ||
| Siphonoperla | 174 | 2 | 1 | 2 |
| Isoperla | 140 | 4 | 1 | 3 |