Listes faunistiques invertébrés
Le Gers en aval d'Aries Espenan 05115600
- Télécharger la fiche IRSTEA xls / 50 ko
- Export SEEE csv / 9 ko
| Date prélèvement | 30/08/2013 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 20.0 |
| GFI | 9 |
| Variété taxonomique | 43 |
| Taxon indicateur | Perlidae |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 80.0 | dominant |
| Blocs | 0.0 | marginal |
| Granulats | 1.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 2.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 15.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Branchage, racines | Lente | A |
| P2 | Granulats | Lente | A |
| P3 | Sables | Nulle | A |
| P4 | Branchage, racines | Nulle | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Dalles, argiles | Nulle | B |
| P7 | Pierres, galets | Rapide | B |
| P8 | Pierres, galets | Lente | B |
| P9 | Pierres, galets | Nulle | C |
| P10 | Pierres, galets | Moyenne | C |
| P11 | Pierres, galets | Rapide | C |
| P12 | Pierres, galets | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 96 | 139 | 116 |
| Protonemura | 46 | 1 | ||
| Perla | 164 | 3 | 7 | |
| Perlodes | 150 | 2 | ||
| Goeridae | 286 | 2 | 7 | 12 |
| Silo | 292 | 1 | ||
| Hydropsyche | 212 | 25 | 6 | 17 |
| Ithytrichia | 198 | 25 | ||
| Lepidostomatidae | 304 | 35 | 44 | 29 |
| Lepidostoma | 305 | 10 | ||
| Adicella | 320 | 2 | ||
| Oecetis | 317 | 1 | ||
| Odontocerum | 339 | 1 | ||
| Polycentropodidae | 223 | 1 | 2 | |
| Polycentropus | 231 | 8 | ||
| Psychomyia | 239 | 1 | ||
| Rhyacophila lato-sensu | 183 | 4 | 4 | 5 |
| Sericostomatidae | 321 | 19 | 20 | 1 |
| Sericostoma | 322 | 1 | 1 | |
| Baetis | 364 | 3 | 37 | 25 |
| Caenis | 457 | 15 | 4 | |
| Ephemera | 502 | 1 | ||
| Ephemerella | 450 | 2 | 5 | 4 |
| Ephemerella ignita | 451 | 5 | 26 | 3 |
| Ecdyonurus | 421 | 4 | 14 | 13 |
| Epeorus | 400 | 5 | 6 | |
| Rhithrogena | 404 | 8 | 9 | |
| Leptophlebiidae | 473 | 8 | ||
| Oligoneuriella | 394 | 2 | 42 | 83 |
| Micronecta | 719 | 1 | ||
| Dytiscidae | 527 | 3 | ||
| Dupophilus | 620 | 12 | 46 | 18 |
| Elmis | 618 | 56 | 24 | 20 |
| Esolus | 619 | 48 | 66 | 40 |
| Limnius | 623 | 12 | 16 | 14 |
| Oulimnius | 622 | 32 | 2 | |
| Orectochilus | 515 | 3 | 1 | 2 |
| Hydraena | 608 | 14 | 10 | 2 |
| Athericidae | 838 | 9 | 3 | 6 |
| Blephariceridae | 747 | 3 | 8 | |
| Chironomidae | 807 | 331 | 16 | 21 |
| Empididae | 831 | 4 | 5 | 2 |
| Limoniidae | 757 | 2 | 2 | 3 |
| Psychodidae | 783 | 1 | ||
| Simuliidae | 801 | 28 | 10 | 29 |
| Tipulidae | 753 | 2 | ||
| Boyeria | 670 | 1 | 1 | |
| Calopteryx | 650 | 13 | ||
| Gammaridae | 887 | 19 | ||
| Gammarus | 892 | 8 | 4 | |
| Hydracarina | 906 | 9 | 2 | |
| Pisidium | 1043 | 2 | 2 | 1 |
| Ancylus | 1028 | 2 | 1 | |
| Potamopyrgus | 978 | 5 | 2 | |
| Erpobdellidae | 928 | 1 | ||
| Oligochaeta | 933 | 8 | 6 | 9 |
| Dugesiidae | 1055 | 2 |