Listes faunistiques invertébrés
Le Bastan en amont de Barèges 05218560
- Télécharger la fiche IRSTEA xls / 646 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 26/09/2019 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 15.0 |
| GFI | 9 |
| Variété taxonomique | 24 |
| Taxon indicateur | Perlidae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 0.0 | marginal |
| Pierres, galets | 26.0 | dominant |
| Blocs | 24.0 | dominant |
| Granulats | 2.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 2.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 46.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Granulats | Lente | A |
| P2 | Blocs | Moyenne | B |
| P3 | Dalles, argiles | Rapide | B |
| P4 | Sables | Nulle | A |
| P5 | Dalles, argiles | Moyenne | B |
| P6 | Sables | Lente | A |
| P7 | Granulats | Moyenne | A |
| P8 | Pierres, galets | Rapide | C |
| P9 | Dalles, argiles | Nulle | C |
| P10 | Pierres, galets | Moyenne | B |
| P11 | Blocs | Rapide | C |
| P12 | Dalles, argiles | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 4 | 16 | 12 |
| Amphinemura | 21 | 1 | ||
| Nemoura | 26 | 1 | ||
| Protonemura | 46 | 10 | 24 | |
| Perlidae | 155 | 2 | ||
| Dinocras | 156 | 1 | 3 | 3 |
| Perla | 164 | 1 | 4 | 4 |
| Isoperla | 140 | 10 | ||
| Perlodes | 150 | 1 | ||
| Micrasema | 268 | 1 | ||
| Hydropsychidae | 211 | 1 | 5 | 24 |
| Hydropsyche | 212 | 1 | 3 | 7 |
| Limnephilidae | 276 | 1 | 3 | |
| Drusinae | 3120 | 2 | 1 | |
| Rhyacophila lato-sensu | 183 | 1 | 35 | 26 |
| Sericostomatidae | 321 | 1 | ||
| Baetis | 364 | 101 | 84 | |
| Caenis | 457 | 2 | 1 | |
| Ecdyonurus | 421 | 4 | 2 | |
| Epeorus | 400 | 15 | 28 | |
| Rhithrogena | 404 | 20 | 34 | 87 |
| Oreodytes | 552 | 2 | ||
| Esolus | 619 | 1 | 2 | |
| Limnius | 623 | 1 | ||
| Hydraena | 608 | 2 | ||
| Atherix | 839 | 1 | ||
| Liponeura | 752 | 11 | 9 | |
| Ceratopogonidae | 819 | 2 | ||
| Chironomidae | 807 | 63 | 67 | 82 |
| Clinocerinae | 9813 | 4 | 3 | |
| Limoniidae | 757 | 1 | 1 | 1 |
| Hexatoma | 773 | 58 | 5 | 5 |
| Antocha | 759 | 1 | 11 | 1 |
| Dicranota | 765 | 1 | ||
| Simuliidae | 801 | 7 | 651 | 52 |
| Tipulidae | 753 | 1 | ||
| Ostracoda | 3170 | 3 | ||
| Tricladida | 1054 | 2 | ||
| Polycelis | 1064 | 8 | 3 | |
| Oligochaeta | 933 | 5 | 3 | 22 |
| Nematoda | 1089 | 3 | ||
| Hydracarina | 906 | 3 | 3 | 3 |