Listes faunistiques invertébrés
Le Gers en aval d'Aries Espenan 05115600
- Télécharger la fiche IRSTEA xls / 124 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 02/07/2015 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 17.0 |
| GFI | 9 |
| Variété taxonomique | 32 |
| Taxon indicateur | Perlidae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 3.0 | marginal |
| Pierres, galets | 80.0 | dominant |
| Blocs | 8.0 | dominant |
| Granulats | 2.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 3.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 4.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Branchage, racines | Moyenne | A |
| P2 | Granulats | Nulle | A |
| P3 | Sables | Nulle | A |
| P4 | Dalles, argiles | Moyenne | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Moyenne | B |
| P7 | Pierres, galets | Lente | B |
| P8 | Pierres, galets | Rapide | B |
| P9 | Pierres, galets | Nulle | C |
| P10 | Pierres, galets | Moyenne | C |
| P11 | Pierres, galets | Lente | C |
| P12 | Pierres, galets | Rapide | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctridae | 66 | 2 | 2 | 4 |
| Leuctra | 69 | 4 | 3 | 2 |
| Perlidae | 155 | 1 | 1 | |
| Dinocras | 156 | 1 | ||
| Perla | 164 | 14 | 11 | |
| Brachycentrus | 265 | 1 | ||
| Glossosoma | 190 | 1 | ||
| Hydropsyche | 212 | 9 | 14 | 7 |
| Ithytrichia | 198 | 17 | ||
| Lepidostoma | 305 | 1 | ||
| Oecetis | 317 | 1 | ||
| Rhyacophila lato-sensu | 183 | 4 | 8 | 7 |
| Sericostoma | 322 | 2 | 4 | |
| Baetis | 364 | 145 | 170 | 360 |
| Caenis | 457 | 180 | 9 | 9 |
| Ephemera | 502 | 2 | 1 | |
| Ephemerella | 450 | 85 | 6 | 3 |
| Ecdyonurus | 421 | 4 | ||
| Electrogena | 3181 | 2 | 2 | 1 |
| Epeorus | 400 | 6 | 9 | |
| Rhithrogena | 404 | 36 | 28 | |
| Oligoneuriella | 394 | 12 | 55 | 75 |
| Dupophilus | 620 | 122 | 28 | 36 |
| Elmis | 618 | 113 | 32 | 14 |
| Esolus | 619 | 122 | 22 | 18 |
| Limnius | 623 | 66 | 6 | 18 |
| Oulimnius | 622 | 47 | 2 | 2 |
| Orectochilus | 515 | 1 | ||
| Haliplus | 518 | 1 | ||
| Hydraena | 608 | 3 | 5 | 4 |
| Athericidae | 838 | 4 | 10 | 3 |
| Blephariceridae | 747 | 3 | 70 | 120 |
| Chironomidae | 807 | 35 | 7 | 2 |
| Empididae | 831 | 1 | 1 | |
| Limoniidae | 757 | 25 | 4 | 5 |
| Rhagionidae | 841 | 2 | ||
| Simuliidae | 801 | 48 | 180 | 180 |
| Calopteryx | 650 | 1 | ||
| Ostracoda | 3170 | 1 | ||
| Gammaridae | 887 | 7 | ||
| Hydracarina | 906 | 10 | 2 | |
| Sphaeriidae | 1042 | 1 | ||
| Ancylus | 1028 | 1 | 3 | |
| Potamopyrgus | 978 | 1 | ||
| Oligochaeta | 933 | 1 | 2 | 1 |