Listes faunistiques invertébrés
La Marcaoue à Touget 05153942
- Télécharger la fiche IRSTEA xls / 646 ko
- Export SEEE csv / 4 ko
| Date prélèvement | 04/07/2019 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 10.0 |
| GFI | 5 |
| Variété taxonomique | 20 |
| Taxon indicateur | Hydroptilidae |
| I2M2 | 0.0295 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 4.0 | marginal |
| Pierres, galets | 1.0 | marginal |
| Blocs | 1.0 | marginal |
| Granulats | 6.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 63.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 25.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Branchage, racines | Nulle | A |
| P2 | Pierres, galets | Nulle | A |
| P3 | Blocs | Nulle | A |
| P4 | Branchage, racines | Nulle | A |
| P5 | Granulats | Nulle | B |
| P6 | Sables | Nulle | B |
| P7 | Dalles, argiles | Nulle | B |
| P8 | Sables | Nulle | B |
| P9 | Sables | Nulle | C |
| P10 | Sables | Nulle | C |
| P11 | Sables | Nulle | C |
| P12 | Dalles, argiles | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydroptilidae | 193 | 1 | 1 | |
| Hydroptila | 200 | 1 | ||
| Ithytrichia | 198 | 1 | ||
| Mystacides | 312 | 1 | ||
| Polycentropodidae | 223 | 7 | 1 | |
| Cyrnus | 224 | 1 | 2 | 2 |
| Polycentropus | 231 | 7 | ||
| Centroptilum | 383 | 1 | ||
| Gerris | 735 | 1 | ||
| Hydrometra | 740 | 1 | ||
| Colymbetinae | 2395 | 7 | ||
| Oulimnius | 622 | 1 | ||
| Chironomidae | 807 | 52 | 448 | 158 |
| Empididae | 831 | 1 | 2 | |
| Tabanidae | 837 | 1 | ||
| Somatochlora | 693 | 1 | ||
| Gomphus | 679 | 1 | ||
| Platycnemis | 657 | 31 | ||
| Echinogammarus | 888 | 783 | 786 | 13 |
| Pacifastacus | 872 | 3 | ||
| Procambarus | 2027 | 2 | ||
| Corbicula | 1051 | 20 | 23 | 16 |
| Potamopyrgus | 978 | 4 | 1 | |
| Oligochaeta | 933 | 5 | 30 | 69 |
| Hydracarina | 906 | 2 | 1 | 3 |
| Copepoda | 3206 | 1 | 1 |