Listes faunistiques invertébrés
L'Uby au niveau de Cazaubon 05228350
- Télécharger la fiche IRSTEA xls / 646 ko
- Export SEEE csv / 4 ko
| Date prélèvement | 13/09/2018 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 12.0 |
| GFI | 6 |
| Variété taxonomique | 24 |
| Taxon indicateur | Ephemeridae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 4.0 | marginal |
| Branchage, racines | 34.0 | dominant |
| Pierres, galets | 1.0 | marginal |
| Blocs | 0.0 | marginal |
| Granulats | 1.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 25.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 35.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Dalles, argiles | Nulle | B |
| P2 | Dalles, argiles | Lente | B |
| P3 | Granulats | Moyenne | A |
| P4 | Branchage, racines | Nulle | B |
| P5 | Branchage, racines | Lente | C |
| P6 | Sables | Nulle | B |
| P7 | Dalles, argiles | Nulle | C |
| P8 | Litieres | Lente | A |
| P9 | Sables | Nulle | C |
| P10 | Litieres | Nulle | A |
| P11 | Pierres, galets | Nulle | A |
| P12 | Branchage, racines | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydropsyche | 212 | 4 | ||
| Limnephilinae | 3163 | 6 | 3 | |
| Lype | 241 | 6 | 4 | 7 |
| Baetis | 364 | 19 | ||
| Ephemera | 502 | 17 | 7 | 4 |
| Platambus | 556 | 2 | 1 | |
| Elmis | 618 | 178 | 47 | 26 |
| Oulimnius | 622 | 5 | ||
| Hydraena | 608 | 32 | 2 | |
| Atrichops | 840 | 12 | 1 | 3 |
| Chironomidae | 807 | 526 | 181 | 245 |
| Culex | 800 | 1 | ||
| Dixa | 794 | 2 | 1 | 1 |
| Dicranota | 765 | 6 | ||
| Tabanidae | 837 | 5 | ||
| Gerris | 735 | 2 | ||
| Calopteryx | 650 | 11 | 4 | 7 |
| Sialis | 704 | 3 | 3 | |
| Copepoda | 3206 | 3 | 3 | 3 |
| Asellidae | 880 | 12 | 2 | 11 |
| Gammaridae | 887 | 103 | 4 | 1 |
| Echinogammarus | 888 | 103 | 37 | 141 |
| Gammarus | 892 | 5 | ||
| Ancylus | 1028 | 11 | 5 | 1 |
| Potamopyrgus | 978 | 239 | 264 | 25 |
| Sphaeriidae | 1042 | 15 | 14 | 6 |
| Pisidium | 1043 | 15 | 2 | 1 |
| Oligochaeta | 933 | 142 | 266 | 25 |
| Nematoda | 1089 | 3 | 3 | |
| Hydracarina | 906 | 3 | 3 |