Listes faunistiques invertébrés
Le Viaur en aval de Pont de Salars 05125800
- Télécharger la fiche IRSTEA xls / 162 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 21/07/2016 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 17.0 |
| GFI | 8 |
| Variété taxonomique | 34 |
| Taxon indicateur | Brachycentridae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 12.0 | dominant |
| Blocs | 3.0 | marginal |
| Granulats | 1.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | 1.0 | marginal |
| Sables | 6.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 73.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Nulle | A |
| P4 | Blocs | Lente | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Sables | Nulle | B |
| P7 | Dalles, argiles | Lente | B |
| P8 | Dalles, argiles | Moyenne | B |
| P9 | Dalles, argiles | Nulle | C |
| P10 | Dalles, argiles | Lente | C |
| P11 | Dalles, argiles | Moyenne | C |
| P12 | Dalles, argiles | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Euleuctra geniculata | 68 | 263 | 85 | 28 |
| Leuctra | 69 | 551 | 312 | 40 |
| Nemoura | 26 | 8 | ||
| Protonemura | 46 | 19 | ||
| Micrasema | 268 | 29 | 3 | 1 |
| Silo | 292 | 6 | 7 | 6 |
| Hydropsyche | 212 | 1 | 6 | 3 |
| Hydroptila | 200 | 1 | ||
| Mystacides | 312 | 1 | ||
| Leptoceridae | 310 | 1 | ||
| Limnephilinae | 3163 | 25 | 25 | |
| Plectrocnemia | 228 | 8 | 1 | |
| Polycentropus | 231 | 4 | 3 | |
| Rhyacophila lato-sensu | 183 | 8 | 7 | 6 |
| Sericostoma | 322 | 10 | 1 | 47 |
| Baetis | 364 | 26 | 26 | 26 |
| Ephemerella ignita | 451 | 51 | 47 | 25 |
| Ephemera | 502 | 32 | 1 | 9 |
| Ecdyonurus | 421 | 9 | 4 | |
| Paraleptophlebia | 481 | 1 | ||
| Leptophlebiidae | 473 | 13 | ||
| Laccophilus | 553 | 4 | ||
| Platambus maculatus | 557 | 21 | 1 | |
| Elmis | 618 | 8 | 1 | |
| Oulimnius | 622 | 2 | ||
| Athericidae | 838 | 2 | ||
| Ceratopogonidae | 819 | 4 | 1 | 1 |
| Chironomidae | 807 | 457 | 262 | 63 |
| Dixa | 794 | 1 | ||
| Empididae | 831 | 17 | 9 | 15 |
| Limoniidae | 757 | 1 | ||
| Psychodidae | 783 | 1 | ||
| Simuliidae | 801 | 24 | 34 | 11 |
| Calopteryx | 650 | 7 | ||
| Sialis | 704 | 17 | ||
| Ostracoda | 3170 | 1 | 1 | |
| Asellidae | 880 | 12 | ||
| Astacidae | 864 | 1 | ||
| Decapoda | 3140 | 1 | ||
| Pisidium | 1043 | 21 | 2 | 3 |
| Ancylus | 1028 | 5 | 3 | 1 |
| Erpobdella | 929 | 1 | 1 | |
| Oligochaeta | 933 | 29 | 6 | |
| Hydracarina | 906 | 1 | 1 | 1 |