Listes faunistiques invertébrés
Le Laüs au niveau de Marciac 05234007
- Télécharger la fiche IRSTEA xls / 646 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 03/07/2018 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 15.0 |
| GFI | 7 |
| Variété taxonomique | 31 |
| Taxon indicateur | Beraeidae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 4.0 | marginal |
| Pierres, galets | 43.0 | dominant |
| Blocs | 1.0 | marginal |
| Granulats | 3.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 27.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 22.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Pierres, galets | Moyenne | B |
| P2 | Granulats | Moyenne | A |
| P3 | Pierres, galets | Lente | B |
| P4 | Blocs | Lente | A |
| P5 | Sables | Nulle | B |
| P6 | Dalles, argiles | Nulle | B |
| P7 | Pierres, galets | Nulle | C |
| P8 | Branchage, racines | Nulle | A |
| P9 | Sables | Lente | C |
| P10 | Pierres, galets | Moyenne | C |
| P11 | Dalles, argiles | Lente | C |
| P12 | Branchage, racines | Nulle | A |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Beraeodes | 329 | 10 | ||
| Hydropsychidae | 211 | 8 | ||
| Hydropsyche | 212 | 26 | 2 | |
| Sericostoma | 322 | 1 | ||
| Baetis | 364 | 5 | ||
| Centroptilum | 383 | 2 | ||
| Procloeon | 390 | 9 | 1 | |
| Caenis | 457 | 1 | ||
| Ephemerella ignita | 451 | 8 | 6 | 1 |
| Ecdyonurus | 421 | 3 | 1 | |
| Leptophlebiidae | 473 | 10 | ||
| Habrophlebia | 491 | 1 | ||
| Paraleptophlebia | 481 | 13 | ||
| Esolus | 619 | 6 | 1 | |
| Limnius | 623 | 2 | 9 | |
| Oulimnius | 622 | 36 | 3 | |
| Hydraena | 608 | 14 | 2 | |
| Atherix | 839 | 1 | ||
| Atrichops | 840 | 1 | 4 | |
| Chironomidae | 807 | 12 | 22 | 48 |
| Dicranota | 765 | 5 | 2 | |
| Simuliidae | 801 | 1 | ||
| Boyeria | 670 | 1 | ||
| Somatochlora | 693 | 2 | ||
| Platycnemis | 657 | 1 | ||
| Sialis | 704 | 1 | ||
| Ostracoda | 3170 | 3 | ||
| Asellidae | 880 | 1 | ||
| Gammarus | 892 | 404 | 32 | 1 |
| Niphargus | 902 | 1 | ||
| Ancylus | 1028 | 7 | 3 | |
| Potamopyrgus | 978 | 1 | ||
| Physidae | 995 | 1 | ||
| Physella | 19280 | 1 | ||
| Sphaeriidae | 1042 | 2 | 1 | |
| Pisidium | 1043 | 1 | 1 | |
| Erpobdellidae | 928 | 1 | ||
| Glossiphonia | 909 | 1 | 2 | |
| Oligochaeta | 933 | 15 | 25 | 13 |
| Bryozoa | 1087 | 3 | ||
| Hydrozoa | 3168 | 3 | ||
| Nematoda | 1089 | 3 | ||
| Hydracarina | 906 | 3 | 3 | 3 |