Listes faunistiques invertébrés
Le Touch à St-Michel du Touch 05161950
- Télécharger la fiche IRSTEA xls / 67 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 17/07/2009 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 11.0 |
| GFI | 5 |
| Variété taxonomique | 21 |
| Taxon indicateur | Hydroptilidae |
| I2M2 | 0.3916 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 2.0 | marginal |
| Blocs | 20.0 | dominant |
| Granulats | 0.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 0.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 78.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Branchage, racines | Nulle | B1 |
| P2 | Branchage, racines | Nulle | B1 |
| P3 | Pierres, galets | Nulle | B1 |
| P4 | Pierres, galets | Nulle | B1 |
| P5 | Dalles, argiles | Nulle | B2 |
| P6 | Blocs | Nulle | B2 |
| P7 | Dalles, argiles | Lente | B2 |
| P8 | Blocs | Nulle | B2 |
| P9 | Dalles, argiles | Nulle | B3 |
| P10 | Blocs | Nulle | B3 |
| P11 | Dalles, argiles | Lente | B3 |
| P12 | Blocs | Nulle | B3 |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Cheumatopsyche | 221 | 6 | 6 | 1 |
| Hydropsyche | 212 | 9 | 11 | 2 |
| Hydroptila | 200 | 10 | 6 | |
| Orthotrichia | 197 | 1 | 1 | |
| Athripsodes | 311 | 2 | ||
| Mystacides | 312 | 1 | ||
| Polycentropus | 231 | 11 | ||
| Psychomyia | 239 | 1 | ||
| Baetis | 364 | 57 | 157 | 165 |
| Procloeon | 390 | 1 | ||
| Caenis | 457 | 11 | 4 | 1 |
| Ephemerella | 450 | 1 | ||
| Heptageniidae | 399 | 1 | ||
| Heptagenia | 443 | 1 | 1 | |
| Esolus | 619 | 2 | ||
| Oulimnius | 622 | 8 | 2 | |
| Stenelmis | 617 | 1 | ||
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 47 | 16 | 14 |
| Limoniidae | 757 | 1 | 4 | |
| Simuliidae | 801 | 1 | ||
| Tipulidae | 753 | 1 | ||
| Echinogammarus | 888 | 292 | 42 | 3 |
| Asellidae | 880 | 2 | ||
| Pisidium | 1043 | 1 | ||
| Acroloxus | 1033 | 29 | 4 | 4 |
| Radix | 1004 | 1 | ||
| Erpobdellidae | 928 | 6 | ||
| Dugesiidae | 1055 | 4 | ||
| Oligochaeta | 933 | 3 |