Listes faunistiques invertébrés
Le Bastan en amont de Barèges 05218560
- Télécharger la fiche IRSTEA xls / 646 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 17/08/2021 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 16.0 |
| GFI | 9 |
| Variété taxonomique | 26 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 0.0 | marginal |
| Pierres, galets | 30.0 | dominant |
| Blocs | 14.0 | dominant |
| Granulats | 4.0 | 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 | Dalles, argiles | Rapide | B |
| P2 | Granulats | Lente | A |
| P3 | Pierres, galets | Rapide | B |
| P4 | Sables | Nulle | A |
| P5 | Blocs | Rapide | B |
| P6 | Pierres, galets | Moyenne | C |
| P7 | Bryophytes | Moyenne | A |
| P8 | Dalles, argiles | Moyenne | B |
| P9 | Pierres, galets | Lente | C |
| P10 | Helophytes | Nulle | A |
| P11 | Dalles, argiles | Lente | C |
| P12 | Dalles, argiles | Rapide | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 2 | 14 | |
| Nemoura | 26 | 1 | ||
| Protonemura | 46 | 150 | 7 | |
| Perlidae | 155 | 2 | 2 | 2 |
| Dinocras | 156 | 2 | ||
| Perla | 164 | 6 | ||
| Perlodidae | 127 | 3 | ||
| Isoperla | 140 | 44 | ||
| Perlodes | 150 | 1 | 5 | |
| Hydropsychidae | 211 | 12 | 10 | 1 |
| Drusinae | 3120 | 1 | 7 | |
| Philopotamus | 209 | 1 | ||
| Rhyacophila lato-sensu | 183 | 5 | 17 | 10 |
| Baetis | 364 | 73 | 165 | 62 |
| Caenis | 457 | 1 | ||
| Ephemerella ignita | 451 | 2 | 1 | |
| Ecdyonurus | 421 | 1 | 1 | |
| Epeorus | 400 | 2 | ||
| Rhithrogena | 404 | 26 | 12 | |
| Hydroporinae | 2393 | 13 | 2 | |
| Elmis | 618 | 2 | ||
| Esolus | 619 | 3 | 2 | |
| Limnius | 623 | 1 | ||
| Hydraena | 608 | 4 | ||
| Atherix | 839 | 1 | ||
| Liponeura | 752 | 2 | 24 | 1 |
| Ceratopogonidae | 819 | 1 | 1 | |
| Chironomidae | 807 | 171 | 48 | 48 |
| Clinocerinae | 9813 | 2 | ||
| Ephydridae | 844 | 5 | ||
| Hexatoma | 773 | 26 | 16 | 3 |
| Antocha | 759 | 10 | 4 | |
| Dicranota | 765 | 3 | ||
| Simuliidae | 801 | 193 | 597 | 32 |
| Thaumaleidae | 823 | 1 | ||
| Tricladida | 1054 | 1 | ||
| Polycelis | 1064 | 1 | 4 | 6 |
| Oligochaeta | 933 | 2 | ||
| Hydracarina | 906 | 3 | 3 | 3 |