Listes faunistiques invertébrés
La Rivière Alet au niveau d'Ustou 05180820
- Télécharger la fiche IRSTEA xls / 646 ko
- Export SEEE csv / 8 ko
| Date prélèvement | 20/08/2020 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 18.0 |
| GFI | 9 |
| Variété taxonomique | 35 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 19.0 | dominant |
| Blocs | 16.0 | dominant |
| Granulats | 4.0 | marginal |
| Helophytes | ||
| Vases | ||
| Sables | ||
| Algues | 1.0 | marginal |
| Dalles, argiles | 57.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Rapide | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Lente | A |
| P4 | Granulats | Lente | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Moyenne | B |
| P7 | Dalles, argiles | Moyenne | B |
| P8 | Dalles, argiles | Rapide | B |
| P9 | Dalles, argiles | Lente | C |
| P10 | Dalles, argiles | Nulle | C |
| P11 | Dalles, argiles | Moyenne | C |
| P12 | Pierres, galets | Rapide | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 71 | 53 | 30 |
| Amphinemura | 21 | 1 | 2 | |
| Protonemura | 46 | 160 | 2 | 1 |
| Dinocras | 156 | 104 | 15 | 6 |
| Perla | 164 | 3 | 27 | 4 |
| Perlidae | 155 | 1 | 1 | |
| Perlodes | 150 | 1 | ||
| Micrasema | 268 | 129 | 35 | 106 |
| Agapetus | 191 | 3 | ||
| Glossosoma | 190 | 2 | ||
| Silo | 292 | 5 | ||
| Silo-lithax | 5219 | 1 | ||
| Hydropsyche | 212 | 47 | 69 | 23 |
| Hydropsychidae | 211 | 8 | 1 | |
| Lasiocephala | 307 | 39 | 11 | |
| Lepidostomatidae | 304 | 220 | 147 | 218 |
| Drusinae | 3120 | 9 | 5 | |
| Limnephilinae | 3163 | 23 | 3 | 1 |
| Limnephilidae | 276 | 2 | 1 | 13 |
| Philopotamus | 209 | 1 | ||
| Psychomyia pusilla | 240 | 2 | 3 | |
| Rhyacophila lato-sensu | 183 | 16 | 21 | 13 |
| Sericostoma | 322 | 184 | 19 | 15 |
| Sericostomatidae | 321 | 16 | ||
| Thremma | 301 | 2 | ||
| Baetis lato sensu | 9794 | 282 | 560 | 630 |
| Baetidae | 363 | 105 | ||
| Caenis | 457 | 4 | 3 | |
| Ephemerella ignita | 451 | 104 | 20 | 20 |
| Torleya major | 452 | 1 | ||
| Ecdyonurus | 421 | 3 | ||
| Epeorus | 400 | 1 | 21 | 4 |
| Rhithrogena | 404 | 2 | 99 | 15 |
| Dryops | 613 | 1 | ||
| Pomatinus substriatus | 33844 | 2 | ||
| Hydroporinae | 2393 | 4 | 22 | |
| Elmis | 618 | 378 | 78 | 138 |
| Esolus | 619 | 80 | 42 | 31 |
| Limnius | 623 | 12 | 7 | 9 |
| Hydraena | 608 | 15 | 15 | 3 |
| Athericidae | 838 | 8 | 13 | 6 |
| Blephariceridae | 747 | 1 | 26 | 10 |
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 253 | 194 | 360 |
| Dixidae | 793 | 23 | 1 | |
| Empididae | 831 | 1 | 3 | 4 |
| Limoniidae | 757 | 2 | 4 | 9 |
| Psychodidae | 783 | 1 | ||
| Simuliidae | 801 | 80 | 241 | 104 |
| Ancylus fluviatilis | 1029 | 1 | 29 | |
| Bythinella | 992 | 1 | ||
| Planariidae | 1061 | 1 | 1 | |
| Oligochaeta | 933 | 3 | ||
| Nematoda | 1089 | 1 | 1 | 1 |
| Hydracarina | 906 | 1 | 1 | 1 |