Listes faunistiques invertébrés
Le ruisseau de Létrade à Saint-Avit 04041755
- Télécharger la fiche IRSTEA xls / 36 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 11/06/2020 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 17.0 |
| GFI | 9 |
| Variété taxonomique | 30 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 4.0 | marginal |
| Hydrophytes | 1.0 | marginal |
| Litieres | ||
| Branchage, racines | ||
| Pierres, galets | 2.0 | marginal |
| Blocs | 22.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | 18.0 | dominant |
| Vases | ||
| Sables | 32.0 | dominant |
| Algues | ||
| Dalles, argiles | 20.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Pierres, galets | Lente | A |
| P3 | Granulats | Lente | A |
| P4 | Hydrophytes | Lente | A |
| P5 | Blocs | Lente | B |
| P6 | Sables | Lente | B |
| P7 | Helophytes | Nulle | B |
| P8 | Dalles, argiles | Lente | B |
| P9 | Sables | Nulle | C |
| P10 | Blocs | Moyenne | C |
| P11 | Dalles, argiles | Moyenne | C |
| P12 | Sables | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Agapetus | 191 | 1 | ||
| Ancylus | 1028 | 1 | ||
| Anthomyidae | 847 | 17 | 2 | |
| Asellidae | 880 | 37 | 99 | 45 |
| Athericidae | 838 | 1 | ||
| Baetis lato sensu | 9794 | 8 | 7 | 198 |
| Bryozoa | 1087 | 1 | 1 | 1 |
| Caenis | 457 | 1 | ||
| Ceratopogonidae | 819 | 4 | ||
| Chaoboridae | 791 | 3 | ||
| Chironomidae | 807 | 120 | 47 | 116 |
| Dryops | 613 | 2 | ||
| Ecdyonurus | 421 | 2 | ||
| Ephemera | 502 | 4 | ||
| Ephemerella ignita | 451 | 888 | 409 | 385 |
| Erpobdellidae | 928 | 1 | ||
| Ferrissia | 1030 | 1 | 1 | |
| Gammarus | 892 | 3 | ||
| Habrophlebia | 491 | 1 | ||
| Hydracarina | 906 | 1 | 1 | |
| Hydraena | 608 | 1 | ||
| Hydrometra | 740 | 1 | ||
| Hydropsyche | 212 | 1 | 6 | |
| Isoperla | 140 | 3 | 3 | 4 |
| Leptophlebiidae | 473 | 3 | 1 | |
| Leuctra | 69 | 4 | 1 | 19 |
| Limoniidae | 757 | 13 | 7 | |
| Mermithoïdea | 3159 | 1 | ||
| Oligochaeta | 933 | 61 | 246 | 1014 |
| Pacifastacus | 872 | 3 | ||
| Physa (sensu lato) | 997 | 93 | 186 | 42 |
| Physella | 19280 | 12 | ||
| Pisidium | 1043 | 10 | 198 | 112 |
| Planorbidae | 1009 | 1 | ||
| Platycnemis | 657 | 1 | ||
| Polycentropodidae | 223 | 5 | 2 | 4 |
| Polycentropus | 231 | 13 | 7 | 11 |
| Psychodidae | 783 | 3 | 4 | 2 |
| Rhyacophila lato-sensu | 183 | 1 | ||
| Simuliidae | 801 | 252 | 300 | 100 |
| Sphaeriidae | 1042 | 84 | 64 | |
| Tabanidae | 837 | 2 |