Listes faunistiques invertébrés
ECOUTAY A ST-DESIRAT 06830550
- Télécharger la fiche IRSTEA xls / 288 ko
- Export SEEE csv / 3 ko
| Date prélèvement | 22/07/2015 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 8.0 |
| GFI | 3 |
| Variété taxonomique | 19 |
| I2M2 | 0.0272 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 25.0 | dominant |
| Blocs | 1.0 | marginal |
| Granulats | 0.0 | marginal |
| Helophytes | 3.0 | marginal |
| Vases | 1.0 | marginal |
| Sables | 7.0 | dominant |
| Algues | 60.0 | dominant |
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Blocs | Lente | A |
| P4 | Helophytes | Nulle | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Sables | Nulle | B |
| P7 | Algues | Lente | B |
| P8 | Algues | Nulle | B |
| P9 | Algues | Lente | C |
| P10 | Algues | Nulle | C |
| P11 | Pierres, galets | Nulle | C |
| P12 | Algues | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydropsyche | 212 | 1 | 36 | 8 |
| Hydroptila | 200 | 1 | ||
| Tinodes | 245 | 1 | ||
| Haliplus | 518 | 1 | 1 | |
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 56 | 401 | 42 |
| Limoniini | 20393 | 1 | 1 | |
| Psychodidae | 783 | 3 | 3 | |
| Calopteryx | 650 | 1 | ||
| Gammarus | 892 | 3 | 1 | |
| Ostracoda | 3170 | 3 | 3 | 3 |
| Pisidium | 1043 | 8 | 1 | 1 |
| Ancylus | 1028 | 9 | 84 | 9 |
| Potamopyrgus | 978 | 1488 | 7362 | 600 |
| Lymnaeidae | 998 | 1 | ||
| Physella | 19280 | 864 | 128 | 17 |
| Erpobdellidae | 928 | 5 | 1 | 1 |
| Glossiphonia | 909 | 2 | ||
| Oligochaeta | 933 | 7 | 208 | 4 |
| Mermithoïdea | 3159 | 3 | ||
| Hydracarina | 906 | 3 |