Listes faunistiques invertébrés
- Télécharger la fiche IRSTEA xls / 49 ko
- Export SEEE csv / 4 ko
| Date prélèvement | 30/07/2013 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 9.0 |
| GFI | 3 |
| Variété taxonomique | 21 |
| Taxon indicateur | Hydropsychidae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 4.0 | marginal |
| Pierres, galets | 8.0 | dominant |
| Blocs | 1.0 | marginal |
| Granulats | 8.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 78.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Branchage, racines | Lente | A |
| P2 | Blocs | Lente | A |
| P3 | Dalles, argiles | Nulle | A |
| P4 | Branchage, racines | Nulle | A |
| P5 | Pierres, galets | Nulle | B |
| P6 | Granulats | Lente | B |
| P7 | Sables | Nulle | B |
| P8 | Sables | Nulle | B |
| P9 | Sables | Nulle | C |
| P10 | Sables | Nulle | C |
| P11 | Sables | Nulle | C |
| P12 | Sables | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydropsyche | 212 | 6 | ||
| Lype | 241 | 1 | ||
| Baetidae | 363 | 1 | ||
| Baetis | 364 | 8 | 3 | |
| Ecdyonurus | 421 | 1 | ||
| Gerris | 735 | 5 | 1 | |
| Elmis | 618 | 13 | 17 | |
| Riolus | 625 | 10 | 10 | |
| Helodes | 636 | 2 | ||
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 41 | 176 | 68 |
| Limoniidae | 757 | 1 | ||
| Simuliidae | 801 | 16 | 8 | 1 |
| Tabanidae | 837 | 1 | 2 | |
| Cordulegaster | 687 | 2 | ||
| Ostracoda | 3170 | 1 | ||
| Gammaridae | 887 | 8 | ||
| Gammarus | 892 | 481 | 452 | 6 |
| Niphargus | 902 | 1 | ||
| Asellidae | 880 | 46 | 1 | |
| Pisidium | 1043 | 2 | 13 | 2 |
| Potamopyrgus | 978 | 62 | 112 | 24 |
| Erpobdellidae | 928 | 1 | ||
| Glossiphoniidae | 908 | 1 | ||
| Oligochaeta | 933 | 6 | 11 | 7 |