Listes faunistiques invertébrés
TORRENSON A ST-CYR 06830030
- Télécharger la fiche IRSTEA xls / 69 ko
- Export SEEE csv / 4 ko
| Date prélèvement | 01/07/2009 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 9.0 |
| GFI | 4 |
| Variété taxonomique | 18 |
| I2M2 | 0.0509 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | ||
| Pierres, galets | 4.0 | marginal |
| Blocs | ||
| Granulats | 1.0 | marginal |
| Helophytes | 10.0 | dominant |
| Vases | 84.0 | dominant |
| Sables | 1.0 | marginal |
| Algues | ||
| Dalles, argiles |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Pierres, galets | Nulle | B1 |
| P2 | Litieres | Nulle | B1 |
| P3 | Granulats | Nulle | B1 |
| P4 | Sables | Nulle | B1 |
| P5 | Vases | Nulle | B2 |
| P6 | Vases | Nulle | B2 |
| P7 | Vases | Nulle | B2 |
| P8 | Helophytes | Nulle | B2 |
| P9 | Vases | Nulle | B3 |
| P10 | Vases | Nulle | B3 |
| P11 | Vases | Nulle | B3 |
| P12 | Vases | Nulle | B3 |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Mystacides | 312 | 2 | 2 | 4 |
| Cloeon | 387 | 6 | 21 | 23 |
| Gerris | 735 | 1 | 3 | |
| Notonectidae | 728 | 1 | ||
| Notonecta | 730 | 4 | ||
| Dytiscidae | 527 | 1 | ||
| Dytiscinae | 2396 | 1 | ||
| Hydroporinae | 2393 | 3 | ||
| Gyrinus | 514 | 1 | 1 | |
| Haliplus | 518 | 1 | ||
| Hydrophilinae | 2517 | 1 | ||
| Sphaeridiinae | 5194 | 1 | ||
| Chironomidae | 807 | 910 | 130 | 1600 |
| Culicidae | 796 | 1 | ||
| Lestidae | 653 | 8 | ||
| Chalcolestes | 2611 | 9 | ||
| Gammaridae | 887 | 1 | ||
| Gammarus | 892 | 1 | ||
| Asellidae | 880 | 125 | 230 | 510 |
| Pisidium | 1043 | 310 | 18 | 145 |
| Lymnaea | 999 | 1 | ||
| Erpobdellidae | 928 | 6 | 10 | 13 |
| Glossiphoniidae | 908 | 20 | 29 | 15 |
| Piscicolidae | 918 | 1 | ||
| Oligochaeta | 933 | 135 | 3 | 40 |