Listes faunistiques invertébrés
Le Bastan en amont de Barèges 05218560
- Télécharger la fiche IRSTEA xls / 618 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 12/09/2023 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 16.0 |
| GFI | 9 |
| Variété taxonomique | 28 |
| I2M2 | 0.6635 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 0.0 | marginal |
| Pierres, galets | 26.0 | dominant |
| Blocs | 20.0 | dominant |
| Granulats | 2.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 2.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 48.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Pierres, galets | Moyenne | C |
| P2 | Granulats | Lente | A |
| P3 | Blocs | Rapide | B |
| P4 | Sables | Nulle | A |
| P5 | Helophytes | Nulle | A |
| P6 | Dalles, argiles | Rapide | B |
| P7 | Dalles, argiles | Lente | C |
| P8 | Pierres, galets | Rapide | B |
| P9 | Dalles, argiles | Nulle | C |
| P10 | Blocs | Moyenne | C |
| P11 | Dalles, argiles | Moyenne | B |
| P12 | Bryophytes | Nulle | A |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Ephydridae | 844 | 1 | ||
| Elmis | 618 | 3 | ||
| Esolus | 619 | 2 | 2 | 3 |
| Limnius | 623 | 3 | ||
| Liponeura | 752 | 1 | 10 | 1 |
| Hexatoma | 773 | 42 | 3 | 16 |
| Dixidae | 793 | 3 | 1 | |
| Simuliidae | 801 | 20 | 532 | 3 |
| Chironomidae | 807 | 75 | 12 | 42 |
| Ceratopogonidae | 819 | 1 | 2 | |
| Hydraena | 608 | 1 | 1 | |
| Hydracarina | 906 | 1 | 1 | 1 |
| Oligochaeta | 933 | 4 | 2 | 1 |
| Tricladida | 1054 | 1 | 9 | |
| Polycelis | 1064 | 2 | 2 | 24 |
| Nematoda | 1089 | 1 | 1 | |
| Hydroporinae | 2393 | 18 | ||
| Drusinae | 3120 | 1 | 5 | |
| Limnephilinae | 3163 | 1 | ||
| Clinocerinae | 9813 | 1 | 2 | |
| Hydropsyche | 212 | 3 | 9 | |
| Protonemura | 46 | 1 | 1 | 1 |
| Leuctridae | 66 | 3 | 1 | |
| Perlodidae | 127 | 1 | 2 | |
| Isoperla | 140 | 5 | 1 | |
| Perlidae | 155 | 1 | 8 | 4 |
| Dinocras | 156 | 46 | 3 | 4 |
| Perla | 164 | 1 | 2 | |
| Rhyacophila lato-sensu | 183 | 2 | 11 | 7 |
| Hydropsychidae | 211 | 1 | 1 | |
| Nemoura | 26 | 2 | ||
| Micrasema | 268 | 15 | 1 | 2 |
| Limnephilidae | 276 | 14 | 3 | 67 |
| Sericostoma | 322 | 3 | ||
| Baetis | 364 | 68 | 156 | 56 |
| Epeorus | 400 | 4 | 17 | |
| Rhithrogena | 404 | 27 | 18 | |
| Ecdyonurus | 421 | 9 | ||
| Ephemerella ignita | 451 | 5 | ||
| Caenis | 457 | 1 |