Listes faunistiques invertébrés
Le Viaur à Ségur 05125860
- Télécharger la fiche IRSTEA xls / 618 ko
- Export SEEE csv / 9 ko
| Date prélèvement | 27/06/2023 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 19.0 |
| GFI | 9 |
| Variété taxonomique | 37 |
| I2M2 | 0.7692 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 3.0 | marginal |
| Pierres, galets | 39.0 | dominant |
| Blocs | 37.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 10.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 8.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Litieres | Lente | A |
| P3 | Branchage, racines | Moyenne | A |
| P4 | Granulats | Lente | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Moyenne | B |
| P7 | Sables | Lente | B |
| P8 | Dalles, argiles | Moyenne | B |
| P9 | Pierres, galets | Lente | C |
| P10 | Blocs | Lente | C |
| P11 | Pierres, galets | Rapide | C |
| P12 | Blocs | Rapide | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydracarina | 906 | 1 | 1 | |
| Limnius | 623 | 1 | ||
| Calopteryx | 650 | 1 | ||
| Onychogomphus | 682 | 1 | ||
| Sialis | 704 | 9 | ||
| Micronecta | 719 | 3 | ||
| Hydrometra | 740 | 1 | ||
| Limoniidae | 757 | 1 | ||
| Simuliidae | 801 | 10 | 32 | 30 |
| Chironomidae | 807 | 417 | 163 | 176 |
| Stratiomyidae | 824 | 1 | ||
| Empididae | 831 | 1 | ||
| Athericidae | 838 | 1 | 2 | |
| Pacifastacus | 872 | 3 | 2 | 5 |
| Gammaridae | 887 | 1 | ||
| Oulimnius | 622 | 7 | 2 | 2 |
| Oligochaeta | 933 | 7 | 128 | 160 |
| Potamopyrgus | 978 | 2 | 1 | |
| Ancylus | 1028 | 1 | 88 | 176 |
| Sphaeriidae | 1042 | 2 | 1 | 1 |
| Pisidium | 1043 | 2 | ||
| Branchiobdellidae | 3132 | 5 | ||
| Limnephilinae | 3163 | 5 | 13 | |
| Electrogena | 3181 | 1 | ||
| Copepoda | 3206 | 1 | ||
| Serratella | 5152 | 37 | 15 | 22 |
| Baetis lato sensu | 9794 | 61 | 344 | 344 |
| Pediciini | 20537 | 8 | 12 | 33 |
| Leuctra geniculata | 33830 | 8 | ||
| Mystacides | 312 | 3 | ||
| Leuctra | 69 | 11 | 100 | 156 |
| Perlodidae | 127 | 1 | ||
| Isoperla | 140 | 2 | 1 | 2 |
| Dinocras | 156 | 2 | ||
| Perla | 164 | 1 | 7 | |
| Rhyacophila lato-sensu | 183 | 1 | 14 | 19 |
| Wormaldia | 210 | 1 | ||
| Hydropsyche | 212 | 2 | 15 | 24 |
| Polycentropodidae | 223 | 3 | ||
| Polycentropus | 231 | 2 | 1 | 7 |
| Micrasema | 268 | 4 | ||
| Goeridae | 286 | 4 | 1 | |
| Silo | 292 | 1 | ||
| Athripsodes | 311 | 1 | 1 | |
| Protonemura | 46 | 2 | 1 | 1 |
| Centroptilum | 383 | 1 | ||
| Heptageniidae | 399 | 9 | 6 | 24 |
| Epeorus | 400 | 12 | ||
| Rhithrogena | 404 | 1 | 16 | 20 |
| Ecdyonurus | 421 | 1 | 68 | 140 |
| Caenis | 457 | 27 | 5 | 4 |
| Leptophlebiidae | 473 | 156 | 24 | 27 |
| Habrophlebia | 491 | 28 | 1 | 1 |
| Ephemera | 502 | 11 | 24 | 4 |
| Hydraena | 608 | 2 | 3 | 7 |
| Elmis | 618 | 12 | 5 | 12 |
| Esolus | 619 | 5 | 18 | 16 |
| Dupophilus | 620 | 5 | 43 | 66 |