Listes faunistiques invertébrés
Le Gers en aval d'Aries Espenan 05115600
- Télécharger la fiche IRSTEA xls / 82 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 16/08/2010 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 16.0 |
| GFI | 7 |
| Variété taxonomique | 34 |
| Taxon indicateur | Leuctridae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 2.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 70.0 | dominant |
| Blocs | 20.0 | dominant |
| Granulats | 2.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 4.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 0.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Lente | B1 |
| P2 | Branchage, racines | Moyenne | B1 |
| P3 | Granulats | Lente | B1 |
| P4 | Sables | Lente | B1 |
| P5 | Pierres, galets | Rapide | B2 |
| P6 | Blocs | Rapide | B2 |
| P7 | Pierres, galets | Moyenne | B2 |
| P8 | Pierres, galets | Lente | B2 |
| P9 | Pierres, galets | Rapide | B3 |
| P10 | Pierres, galets | Moyenne | B3 |
| P11 | Pierres, galets | Lente | B3 |
| P12 | Pierres, galets | Rapide | B3 |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Euleuctra | 67 | 3 | ||
| Leuctra | 69 | 10 | 60 | 39 |
| Dinocras | 156 | 1 | ||
| Perla | 164 | 1 | 4 | |
| Glossosoma | 190 | 1 | ||
| Goera | 287 | 2 | ||
| Silo | 292 | 1 | ||
| Cheumatopsyche | 221 | 1 | ||
| Hydropsyche | 212 | 7 | 37 | 7 |
| Lepidostoma | 305 | 34 | 5 | 5 |
| Adicella | 320 | 1 | ||
| Athripsodes | 311 | 1 | 1 | |
| Drusinae | 3120 | 1 | ||
| Polycentropus | 231 | 2 | ||
| Rhyacophila lato-sensu | 183 | 2 | 5 | |
| Sericostoma | 322 | 5 | ||
| Baetis | 364 | 29 | 95 | 78 |
| Caenis | 457 | 2 | ||
| Ephemera | 502 | 1 | ||
| Ephemerella | 450 | 10 | 11 | 12 |
| Ecdyonurus | 421 | 1 | 13 | 3 |
| Electrogena | 3181 | 1 | ||
| Epeorus | 400 | 4 | 2 | |
| Rhithrogena | 404 | 6 | 13 | |
| Paraleptophlebia | 481 | 1 | ||
| Oligoneuriella | 394 | 39 | 51 | |
| Ephoron | 496 | 1 | ||
| Dupophilus | 620 | 1 | 19 | 4 |
| Elmis | 618 | 4 | 37 | 14 |
| Esolus | 619 | 7 | 93 | 51 |
| Limnius | 623 | 4 | 32 | 9 |
| Oulimnius | 622 | 8 | 5 | |
| Orectochilus | 515 | 1 | 2 | |
| Helodes | 636 | 1 | ||
| Hydraena | 608 | 5 | 1 | 5 |
| Athericidae | 838 | 1 | 3 | |
| Blephariceridae | 747 | 1 | 3 | 4 |
| Chironomidae | 807 | 46 | 3 | 6 |
| Limoniidae | 757 | 4 | 11 | 10 |
| Rhagionidae | 841 | 1 | ||
| Simuliidae | 801 | 1 | 22 | 27 |
| Tabanidae | 837 | 1 | ||
| Boyeria | 670 | 1 | ||
| Gammarus | 892 | 7 | 1 | |
| Niphargus | 902 | 2 | ||
| Ancylus | 1028 | 7 | ||
| Bythinella | 992 | 1 | ||
| Galba | 1001 | 1 |