Listes faunistiques invertébrés
Le Gave de Héas au niveau de Gedre 05218620
- Télécharger la fiche IRSTEA xls / 646 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 18/08/2021 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 16.0 |
| GFI | 9 |
| Variété taxonomique | 27 |
| I2M2 | 0.6742 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 45.0 | dominant |
| Blocs | 16.0 | dominant |
| Granulats | 4.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 1.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 31.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Pierres, galets | Rapide | B |
| P2 | Bryophytes | Rapide | A |
| P3 | Dalles, argiles | Rapide | B |
| P4 | Pierres, galets | Moyenne | B |
| P5 | Litieres | Nulle | A |
| P6 | Pierres, galets | Lente | C |
| P7 | Granulats | Lente | A |
| P8 | Pierres, galets | Nulle | C |
| P9 | Dalles, argiles | Moyenne | C |
| P10 | Branchage, racines | Nulle | A |
| P11 | Blocs | Rapide | B |
| P12 | Dalles, argiles | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 8 | 6 | 8 |
| Protonemura | 46 | 37 | 2 | |
| Dinocras | 156 | 22 | 6 | 1 |
| Perla | 164 | 2 | ||
| Micrasema | 268 | 1 | ||
| Hydropsychidae | 211 | 2 | 2 | |
| Hydropsyche | 212 | 2 | 2 | |
| Limnephilidae | 276 | 1 | 1 | |
| Drusinae | 3120 | 1 | ||
| Limnephilinae | 3163 | 1 | ||
| Rhyacophila lato-sensu | 183 | 4 | ||
| Sericostoma | 322 | 7 | 3 | |
| Thremma | 301 | 1 | ||
| Baetis | 364 | 28 | 43 | 4 |
| Caenis | 457 | 38 | 14 | 95 |
| Ephemerella ignita | 451 | 55 | 18 | 7 |
| Heptageniidae | 399 | 1 | ||
| Ecdyonurus | 421 | 2 | 7 | |
| Epeorus | 400 | 3 | ||
| Rhithrogena | 404 | 1 | 7 | |
| Hydroporinae | 2393 | 4 | 1 | 5 |
| Elmis | 618 | 23 | 4 | 1 |
| Esolus | 619 | 1 | 4 | |
| Limnius | 623 | 1 | 5 | |
| Riolus | 625 | 7 | ||
| Hydraena | 608 | 1 | 1 | 1 |
| Athericidae | 838 | 3 | 1 | 2 |
| Liponeura | 752 | 3 | ||
| Chironomidae | 807 | 217 | 137 | 15 |
| Dixa | 794 | 3 | ||
| Chelifera | 2884 | 1 | 1 | |
| Clinocerinae | 9813 | 2 | 3 | |
| Hemerodromiinae | 3202 | 2 | ||
| Hexatoma | 773 | 1 | 1 | 1 |
| Antocha | 759 | 3 | 14 | 11 |
| Simuliidae | 801 | 2 | 7 | 1 |
| Ancylus | 1028 | 3 | 2 | 8 |
| Lymnaeidae | 998 | 1 | ||
| Tricladida | 1054 | 1 | ||
| Polycelis | 1064 | 12 | 5 | 1 |
| Oligochaeta | 933 | 8 | 18 | 27 |
| Nematoda | 1089 | 3 | ||
| Hydracarina | 906 | 3 | 3 |