Listes faunistiques invertébrés
L'Ousse au niveau de Fleurance 05114800
- Télécharger la fiche IRSTEA xls / 51 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 22/07/2014 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 13.0 |
| GFI | 6 |
| Variété taxonomique | 25 |
| Taxon indicateur | Ephemeridae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 4.0 | marginal |
| Pierres, galets | 4.0 | marginal |
| Blocs | 0.0 | marginal |
| Granulats | 50.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 6.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 36.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Branchage, racines | Nulle | A |
| P2 | Pierres, galets | Lente | A |
| P3 | Branchage, racines | Nulle | A |
| P4 | Pierres, galets | Nulle | A |
| P5 | Granulats | Lente | B |
| P6 | Sables | Nulle | B |
| P7 | Dalles, argiles | Lente | B |
| P8 | Granulats | Nulle | B |
| P9 | Granulats | Lente | C |
| P10 | Dalles, argiles | Nulle | C |
| P11 | Granulats | Nulle | C |
| P12 | Dalles, argiles | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydropsyche | 212 | 1 | ||
| Athripsodes | 311 | 1 | 7 | |
| Mystacides | 312 | 2 | ||
| Limnephilinae | 3163 | 1 | ||
| Baetis | 364 | 17 | 1 | |
| Ephemera | 502 | 4 | 2 | 3 |
| Ephemerella | 450 | 3 | ||
| Ecdyonurus | 421 | 2 | 24 | 1 |
| Colymbetinae | 2395 | 1 | ||
| Elmis | 618 | 11 | 7 | 4 |
| Limnius | 623 | 5 | 3 | 3 |
| Oulimnius | 622 | 4 | ||
| Riolus | 625 | 1 | ||
| Helodes | 636 | 1 | ||
| Helophorus | 604 | 1 | ||
| Hydraena | 608 | 5 | 39 | 4 |
| Hydrochus | 606 | 1 | ||
| Athericidae | 838 | 1 | 5 | |
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 42 | 7 | 6 |
| Limoniidae | 757 | 7 | 5 | |
| Stratiomyidae | 824 | 4 | 1 | |
| Tabanidae | 837 | 2 | ||
| Onychogomphus | 682 | 2 | ||
| Echinogammarus | 888 | 920 | 217 | 270 |
| Asellidae | 880 | 18 | 1 | |
| Hydracarina | 906 | 3 | 1 | |
| Sphaeriidae | 1042 | 3 | 6 | 30 |
| Pisidium | 1043 | 3 | 2 | 5 |
| Potamopyrgus | 978 | 2420 | 1250 | 1200 |
| Oligochaeta | 933 | 10 | 6 |