Listes faunistiques invertébrés
Le Viaur en aval de Pont de Salars 05125800
- Télécharger la fiche IRSTEA xls / 646 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 26/06/2018 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 16.0 |
| GFI | 7 |
| Variété taxonomique | 34 |
| Taxon indicateur | Leuctridae |
| I2M2 | 0.5598 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 3.0 | marginal |
| Hydrophytes | 1.0 | marginal |
| Litieres | ||
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 22.0 | dominant |
| Blocs | 20.0 | dominant |
| Granulats | 12.0 | dominant |
| Helophytes | 17.0 | dominant |
| Vases | 1.0 | marginal |
| Sables | 4.0 | marginal |
| Algues | ||
| Dalles, argiles | 18.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Rapide | A |
| P2 | Hydrophytes | Moyenne | A |
| P3 | Branchage, racines | Lente | A |
| P4 | Vases | Nulle | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Moyenne | B |
| P7 | Granulats | Moyenne | B |
| P8 | Helophytes | Moyenne | B |
| P9 | Dalles, argiles | Rapide | C |
| P10 | Pierres, galets | Rapide | C |
| P11 | Blocs | Rapide | C |
| P12 | Dalles, argiles | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 2 | 46 | 7 |
| Leuctra geniculata | 33830 | 1 | ||
| Nemoura | 26 | 1 | ||
| Nemouridae | 20 | 1 | ||
| Silo | 292 | 1 | 3 | |
| Goeridae | 286 | 1 | 9 | 1 |
| Hydropsyche | 212 | 1 | 1 | |
| Hydropsychidae | 211 | 1 | ||
| Drusinae | 3120 | 9 | ||
| Limnephilinae | 3163 | 58 | 18 | 19 |
| Plectrocnemia | 228 | 2 | 1 | |
| Polycentropus | 231 | 3 | ||
| Rhyacophila lato-sensu | 183 | 32 | 11 | 43 |
| Sericostoma | 322 | 5 | 7 | 1 |
| Baetis lato sensu | 9794 | 2780 | 923 | 940 |
| Ephemerella ignita | 451 | 50 | 47 | 45 |
| Ephemera | 502 | 2 | 3 | |
| Ecdyonurus | 421 | 1 | 12 | 6 |
| Paraleptophlebia | 481 | 2 | ||
| Leptophlebiidae | 473 | 5 | 2 | |
| Colymbetinae | 2395 | 5 | 18 | |
| Elmis | 618 | 5 | 7 | |
| Limnebius | 599 | 1 | ||
| Athericidae | 838 | 1 | ||
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 780 | 297 | 109 |
| Dixidae | 793 | 5 | ||
| Empididae | 831 | 3 | 9 | 20 |
| Limoniidae | 757 | 1 | 2 | 4 |
| Psychodidae | 783 | 2 | ||
| Simuliidae | 801 | 54 | 123 | 22 |
| Tipulidae | 753 | 2 | ||
| Sialis | 704 | 7 | 2 | |
| Asellidae | 880 | 6 | 4 | |
| Pacifastacus leniusculus | 873 | 1 | ||
| Pisidium | 1043 | 3 | 4 | |
| Sphaeriidae | 1042 | 1 | 2 | |
| Ancylus fluviatilis | 1029 | 10 | 12 | 14 |
| Radix | 1004 | 1 | ||
| Erpobdellidae | 928 | 1 | ||
| Oligochaeta | 933 | 4 | 6 | 8 |
| Nematoda | 1089 | 1 | 1 | |
| Cladocera | 3127 | 1 | 1 | 1 |
| Copepoda | 3206 | 1 | 1 | 1 |
| Ostracoda | 3170 | 1 | 1 | |
| Hydracarina | 906 | 1 | 1 | 1 |
| Hydrozoa | 3168 | 1 | 1 | 1 |