Listes faunistiques invertébrés
Le Litroux à Ravel 04033050
- Télécharger la fiche IRSTEA xls / 26 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 09/07/2013 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 13.0 |
| GFI | 7 |
| Variété taxonomique | 22 |
| I2M2 | 0.1714 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 0.0 | marginal |
| Blocs | 0.0 | marginal |
| Granulats | 60.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 37.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 0.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Sables | Lente | B |
| P3 | Granulats | Lente | B |
| P4 | Branchage, racines | Lente | A |
| P5 | Granulats | Lente | C |
| P6 | Sables | Lente | C |
| P7 | Sables | Nulle | B |
| P8 | Granulats | Moyenne | B |
| P9 | Granulats | Moyenne | C |
| P10 | Granulats | Lente | C |
| P11 | Branchage, racines | Lente | A |
| P12 | Litieres | Nulle | A |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Helobdella | 912 | 2 | ||
| Chironomidae | 807 | 133 | 85 | 35 |
| Ceratopogonidae | 819 | 5 | ||
| Tabanidae | 837 | 6 | 2 | |
| Asellidae | 880 | 371 | 1 | 20 |
| Gammaridae | 887 | 574 | 15 | 55 |
| Gammarus | 892 | 743 | 18 | |
| Hydracarina | 906 | 1 | 1 | |
| Glossiphonia | 909 | 1 | 1 | |
| Simulium | 806 | 1 | ||
| Oligochaeta | 933 | 12 | 7 | |
| Potamopyrgus | 978 | 1 | 2 | |
| Sphaeriidae | 1042 | 2 | 5 | 6 |
| Pisidium | 1043 | 2 | ||
| Polycelis | 1064 | 2 | ||
| Bryozoa | 1087 | 1 | ||
| Ostracoda | 3170 | 1 | 1 | |
| Copepoda | 3206 | 1 | ||
| Elmis | 618 | 4 | 1 | |
| Leptoceridae | 310 | 1 | ||
| Baetis | 364 | 4 | ||
| Ecdyonurus | 421 | 1 | ||
| Ephemerella ignita | 451 | 77 | 2 | 17 |
| Leptophlebiidae | 473 | 9 | ||
| Habrophlebia | 491 | 8 | ||
| Ephemera | 502 | 19 | 2 | |
| Hydraena | 608 | 1 | 3 | 1 |
| Hydropsychidae | 211 | 1 | ||
| Oulimnius | 622 | 11 | 7 | |
| Limnius | 623 | 1 | ||
| Calopteryx | 650 | 5 | ||
| Cordulegaster | 687 | 3 | ||
| Hydrometra | 740 | 1 | ||
| Dicranota | 765 | 3 | ||
| Hexatoma | 773 | 7 | ||
| Psychodidae | 783 | 1 |