Listes faunistiques invertébrés
Libron à Vias 06188740
- Télécharger la fiche IRSTEA xls / 90 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 15/05/2017 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 12.0 |
| GFI | 5 |
| Variété taxonomique | 28 |
| Taxon indicateur | Hydroptilidae |
| I2M2 | 0.7750 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 16.0 | dominant |
| Pierres, galets | 1.0 | marginal |
| Blocs | 1.0 | marginal |
| Granulats | 28.0 | dominant |
| Helophytes | 1.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 43.0 | dominant |
| Algues | 3.0 | marginal |
| Dalles, argiles | 7.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Branchage, racines | Nulle | B |
| P2 | Sables | Lente | C |
| P3 | Granulats | Lente | B |
| P4 | Sables | Nulle | B |
| P5 | Granulats | Moyenne | C |
| P6 | Sables | Nulle | C |
| P7 | Algues | Lente | A |
| P8 | Blocs | Moyenne | A |
| P9 | Dalles, argiles | Nulle | B |
| P10 | Sables | Lente | C |
| P11 | Helophytes | Nulle | A |
| P12 | Pierres, galets | Moyenne | A |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydropsyche | 212 | 11 | 12 | |
| Hydroptila | 200 | 8 | 2 | |
| Polycentropodidae | 223 | 2 | ||
| Baetis | 364 | 483 | 80 | 115 |
| Cloeon | 387 | 16 | 10 | |
| Caenis | 457 | 3 | 24 | 11 |
| Ephemerella ignita | 451 | 1 | ||
| Colymbetinae | 2395 | 13 | 8 | 4 |
| Hydroporinae | 2393 | 2 | ||
| Oulimnius | 622 | 4 | 2 | |
| Ochthebius | 609 | 15 | 1 | 1 |
| Hydrophilinae | 2517 | 2 | ||
| Chironomidae | 807 | 97 | 486 | 780 |
| Dixidae | 793 | 6 | ||
| Dolichopodidae | 836 | 1 | 1 | |
| Empididae | 831 | 4 | 6 | |
| Ephydridae | 844 | 2 | 3 | |
| Limoniidae | 757 | 6 | 11 | |
| Simuliidae | 801 | 339 | 6 | 24 |
| Tipulidae | 753 | 6 | 2 | |
| Plea | 733 | 2 | ||
| Chalcolestes | 2611 | 1 | ||
| Libellulidae | 696 | 1 | ||
| Sympetrum | 699 | 1 | ||
| Sialis | 704 | 1 | ||
| Copepoda | 3206 | 3 | 3 | |
| Ostracoda | 3170 | 3 | 3 | |
| Asellidae | 880 | 6 | 20 | |
| Crangonyx | 5116 | 2 | ||
| Lymnaeidae | 998 | 1 | ||
| Galba | 1001 | 1 | 3 | |
| Oligochaeta | 933 | 3 | 1 | 4 |
| Nematoda | 1089 | 3 | 3 | 3 |
| Hydracarina | 906 | 3 | 3 |