Listes faunistiques invertébrés
La Rivière Alet au niveau d'Ustou 05180820
- Télécharger la fiche IRSTEA xls / 619 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 07/09/2023 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 17.0 |
| GFI | 9 |
| Variété taxonomique | 32 |
| I2M2 | 0.7951 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 2.0 | marginal |
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 0.0 | marginal |
| Pierres, galets | 31.0 | dominant |
| Blocs | 20.0 | dominant |
| Granulats | 2.0 | marginal |
| Helophytes | ||
| Vases | ||
| Sables | 1.0 | marginal |
| Algues | ||
| Dalles, argiles | 43.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Rapide | A |
| P2 | Litieres | Nulle | A |
| P3 | Granulats | Lente | A |
| P4 | Sables | Nulle | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Rapide | B |
| P7 | Dalles, argiles | Rapide | B |
| P8 | Dalles, argiles | Moyenne | B |
| P9 | Dalles, argiles | Lente | C |
| P10 | Pierres, galets | Rapide | C |
| P11 | Dalles, argiles | Nulle | C |
| P12 | Pierres, galets | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydrobiidae | 973 | 1 | ||
| Dupophilus | 620 | 4 | ||
| Limnius | 623 | 5 | 8 | 12 |
| Limoniidae | 757 | 6 | 4 | |
| Simuliidae | 801 | 15 | 6 | 6 |
| Chironomidae | 807 | 148 | 9 | 9 |
| Ceratopogonidae | 819 | 1 | 2 | |
| Empididae | 831 | 1 | ||
| Athericidae | 838 | 3 | 4 | 1 |
| Rhagionidae | 841 | 1 | ||
| Hydracarina | 906 | 1 | 1 | 1 |
| Oligochaeta | 933 | 5 | 1 | 2 |
| Esolus | 619 | 23 | 10 | 38 |
| Ancylus fluviatilis | 1029 | 3 | ||
| Planariidae | 1061 | 1 | ||
| Hydroporinae | 2393 | 2 | 6 | |
| Colymbetinae | 2395 | 1 | ||
| Drusinae | 3120 | 1 | 3 | |
| Limnephilinae | 3163 | 2 | 3 | |
| Baetis lato sensu | 9794 | 25 | 184 | 152 |
| Pomatinus substriatus | 33844 | 1 | 1 | |
| Lepidostoma basale | 49953 | 41 | 2 | 17 |
| Pediciidae | 50011 | 4 | 2 | |
| Lepidostoma | 305 | 11 | 15 | 25 |
| Leuctra | 69 | 243 | 8 | 48 |
| Perlodidae | 127 | 1 | ||
| Perlodes | 150 | 1 | 2 | |
| Perla | 164 | 6 | 1 | |
| Rhyacophila lato-sensu | 183 | 5 | 14 | 4 |
| Glossosoma | 190 | 2 | ||
| Hydropsyche | 212 | 37 | 8 | |
| Micrasema | 268 | 94 | 85 | 29 |
| Silo | 292 | 2 | 4 | 6 |
| Thremma | 301 | 1 | ||
| Protonemura | 46 | 21 | ||
| Sericostomatidae | 321 | 18 | 24 | 13 |
| Sericostoma | 322 | 163 | 2 | |
| Odontocerum albicorne | 340 | 1 | ||
| Epeorus | 400 | 5 | ||
| Rhithrogena | 404 | 7 | 1 | |
| Ephemerella ignita | 451 | 52 | 5 | 7 |
| Caenis | 457 | 7 | 1 | |
| Leptophlebiidae | 473 | 1 | ||
| Hydraena | 608 | 1 | 3 | 1 |
| Elmis | 618 | 189 | 19 | 28 |