Listes faunistiques invertébrés
BIEVRE A LES-AVENIERES 1 06580789
- Télécharger la fiche IRSTEA xls / 28 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 30/07/2009 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 9.0 |
| GFI | 3 |
| Variété taxonomique | 23 |
| I2M2 | 0.0341 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | 5.5 | dominant |
| Litieres | 6.0 | dominant |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | ||
| Blocs | ||
| Granulats | 2.0 | marginal |
| Helophytes | 0.2 | marginal |
| Vases | 0.5 | marginal |
| Sables | 82.8 | dominant |
| Algues | 1.0 | marginal |
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Branchage, racines | Lente | B1 |
| P2 | Granulats | Moyenne | B1 |
| P3 | Helophytes | Nulle | B1 |
| P4 | Vases | Nulle | B1 |
| P5 | Hydrophytes | Lente | B2 |
| P6 | Litieres | Nulle | B2 |
| P7 | Sables | Lente | B2 |
| P8 | Sables | Nulle | B2 |
| P9 | Sables | Moyenne | B3 |
| P10 | Sables | Lente | B3 |
| P11 | Sables | Nulle | B3 |
| P12 | Sables | Moyenne | B3 |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydropsyche | 212 | 2 | 4 | 1 |
| Baetis | 364 | 1 | 20 | |
| Ephemerella | 450 | 1 | ||
| Nepidae | 725 | 4 | ||
| Elmidae | 614 | 2 | ||
| Limnius | 623 | 1 | 1 | |
| Riolus | 625 | 1 | ||
| Orectochilus | 515 | 1 | ||
| Haliplus | 518 | 4 | ||
| Hydraena | 608 | 1 | ||
| Hydrophilinae | 2517 | 2 | ||
| Athericidae | 838 | 2 | ||
| Chironomidae | 807 | 220 | 141 | 112 |
| Empididae | 831 | 1 | ||
| Limoniidae | 757 | 2 | 3 | |
| Psychodidae | 783 | 2 | ||
| Simuliidae | 801 | 5 | ||
| Gomphus | 679 | 1 | ||
| Orthetrum | 698 | 1 | ||
| Sialis | 704 | 1 | ||
| Gammaridae | 887 | 886 | 36 | 168 |
| Gammarus | 892 | 2286 | 204 | 192 |
| Sphaeriidae | 1042 | 2 | 1 | |
| Pisidium | 1043 | 12 | 5 | 34 |
| Potamopyrgus | 978 | 38 | 7 | 8 |
| Erpobdellidae | 928 | 3 | ||
| Dugesiidae | 1055 | 1 | ||
| Planariidae | 1061 | 3 | ||
| Nematoda | 1089 | 1 | 3 | |
| Oligochaeta | 933 | 2070 | 1971 | 388 |