Listes faunistiques invertébrés
Le Gers en aval d'Aries Espenan 05115600
- Télécharger la fiche IRSTEA xls / 51 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 20/08/2014 |
|---|---|
| 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 | 6.0 | dominant |
| Pierres, galets | 85.0 | dominant |
| Blocs | 2.0 | marginal |
| Granulats | 3.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 0.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 4.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Blocs | Moyenne | A |
| P2 | Granulats | Lente | A |
| P3 | Dalles, argiles | Lente | A |
| P4 | Dalles, argiles | Lente | A |
| P5 | Branchage, racines | Moyenne | B |
| P6 | Pierres, galets | Moyenne | B |
| P7 | Pierres, galets | Lente | B |
| P8 | Pierres, galets | Rapide | B |
| P9 | Pierres, galets | Moyenne | C |
| P10 | Pierres, galets | Lente | C |
| P11 | Pierres, galets | Rapide | C |
| P12 | Pierres, galets | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra geniculata | 33830 | 1 | ||
| Leuctra | 69 | 19 | 116 | 210 |
| Nemoura | 26 | 1 | ||
| Protonemura | 46 | 2 | 12 | 1 |
| Dinocras | 156 | 1 | ||
| Perla | 164 | 4 | 2 | 2 |
| Hydropsyche | 212 | 10 | 29 | 9 |
| Ithytrichia | 198 | 1 | ||
| Lepidostoma | 305 | 10 | 132 | 8 |
| Polycentropus | 231 | 1 | 1 | |
| Rhyacophila lato-sensu | 183 | 4 | 5 | 9 |
| Sericostoma | 322 | 1 | 1 | 3 |
| Baetis | 364 | 72 | 52 | 86 |
| Caenis | 457 | 3 | ||
| Ephemera | 502 | 1 | ||
| Ephemerella | 450 | 6 | 32 | 6 |
| Heptageniidae | 399 | 9 | 2 | |
| Ecdyonurus | 421 | 2 | 2 | 11 |
| Epeorus | 400 | 6 | 4 | |
| Heptagenia | 443 | 1 | ||
| Rhithrogena | 404 | 3 | 5 | 10 |
| Leptophlebiidae | 473 | 1 | ||
| Oligoneuriella | 394 | 39 | 44 | 108 |
| Dupophilus | 620 | 2 | 7 | 11 |
| Elmis | 618 | 19 | 148 | 10 |
| Esolus | 619 | 23 | 25 | 8 |
| Limnius | 623 | 3 | 15 | 1 |
| Oulimnius | 622 | 25 | 1 | |
| Riolus | 625 | 1 | ||
| Orectochilus | 515 | 1 | 2 | |
| Helodes | 636 | 1 | ||
| Hydraena | 608 | 3 | 14 | 11 |
| Athericidae | 838 | 1 | 2 | 2 |
| Blephariceridae | 747 | 7 | 9 | |
| Chironomidae | 807 | 5 | 28 | 22 |
| Limoniidae | 757 | 2 | 5 | 1 |
| Rhagionidae | 841 | 1 | ||
| Simuliidae | 801 | 4 | 100 | 42 |
| Tabanidae | 837 | 1 | ||
| Calopteryx | 650 | 13 | ||
| Gammaridae | 887 | 2 | ||
| Gammarus | 892 | 2 | 20 | 1 |
| Ancylus | 1028 | 1 | ||
| Erpobdellidae | 928 | 1 | 1 | |
| Oligochaeta | 933 | 3 |