Listes faunistiques invertébrés
La Rivière Alet au niveau d'Ustou 05180820
- Télécharger la fiche IRSTEA xls / 619 ko
- Export SEEE csv / 8 ko
| Date prélèvement | 05/10/2022 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 18.0 |
| GFI | 9 |
| Variété taxonomique | 33 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 2.0 | marginal |
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 25.0 | dominant |
| Blocs | 12.0 | dominant |
| Granulats | 4.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | ||
| Sables | 1.0 | marginal |
| Algues | ||
| Dalles, argiles | 53.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Rapide | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Moyenne | 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 | Pierres, galets | Rapide | C |
| P12 | Dalles, argiles | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 71 | 2 | 2 |
| Amphinemura | 21 | 2 | 1 | |
| Protonemura | 46 | 56 | 1 | |
| Dinocras | 156 | 4 | 1 | 3 |
| Perla | 164 | 6 | 1 | |
| Perlidae | 155 | 1 | 1 | |
| Isoperla | 140 | 2 | ||
| Perlodes | 150 | 3 | ||
| Taeniopteryx | 14 | 4 | ||
| Micrasema | 268 | 106 | 115 | 100 |
| Agapetinae | 9812 | 2 | 4 | 4 |
| Agapetus | 191 | 1 | ||
| Silo | 292 | 4 | 2 | |
| Goeridae | 286 | 1 | ||
| Hydropsyche | 212 | 210 | 24 | 205 |
| Hydropsychidae | 211 | 41 | 9 | |
| Lepidostoma basale | 49953 | 23 | 2 | 2 |
| Lepidostomatidae | 304 | 2 | 1 | |
| Drusinae | 3120 | 17 | 1 | |
| Limnephilinae | 3163 | 4 | ||
| Limnephilidae | 276 | 103 | 37 | 2 |
| Psychomyia pusilla | 240 | 1 | ||
| Rhyacophila lato-sensu | 183 | 17 | 9 | 20 |
| Sericostoma | 322 | 46 | 1 | |
| Sericostomatidae | 321 | 126 | 39 | 31 |
| Baetis lato sensu | 9794 | 86 | 35 | 37 |
| Ephemerella ignita | 451 | 2 | ||
| Torleya major | 452 | 2 | ||
| Ephemera | 502 | 1 | ||
| Ecdyonurus | 421 | 2 | ||
| Epeorus | 400 | 4 | 35 | 92 |
| Rhithrogena | 404 | 7 | 6 | 11 |
| Heptageniidae | 399 | 3 | ||
| Colymbetinae | 2395 | 1 | ||
| Hydroporinae | 2393 | 5 | ||
| Elmis | 618 | 179 | 97 | 132 |
| Esolus | 619 | 109 | 12 | 9 |
| Limnius | 623 | 24 | 7 | 6 |
| Orectochilus | 515 | 1 | ||
| Hydraena | 608 | 7 | 3 | 1 |
| Athericidae | 838 | 6 | 3 | 15 |
| Ceratopogonidae | 819 | 3 | ||
| Chironomidae | 807 | 117 | 22 | 11 |
| Empididae | 831 | 5 | 1 | |
| Limoniidae | 757 | 1 | 1 | |
| Pediciidae | 50011 | 3 | ||
| Psychodidae | 783 | 1 | ||
| Simuliidae | 801 | 47 | 6 | 14 |
| Cordulegaster | 687 | 1 | ||
| Gammarus | 892 | 1 | ||
| Gammaridae | 887 | 1 | ||
| Hydracarina | 906 | 1 | 1 | 1 |
| Ancylus fluviatilis | 1029 | 1 | 1 | |
| Oligochaeta | 933 | 76 | 4 | 10 |
| Planariidae | 1061 | 16 | 9 | 6 |