Listes faunistiques invertébrés
Le Gers en aval d'Aries Espenan 05115600
- Télécharger la fiche IRSTEA xls / 29 ko
- Export SEEE csv / 8 ko
| Date prélèvement | 16/09/2011 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 18.0 |
| GFI | 9 |
| Variété taxonomique | 34 |
| 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 | 1.0 | marginal |
| Branchage, racines | 4.0 | marginal |
| Pierres, galets | 81.0 | dominant |
| Blocs | 2.0 | marginal |
| Granulats | 6.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 4.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 2.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Rapide | A |
| P3 | Blocs | Rapide | A |
| P4 | Sables | Lente | A |
| P5 | Pierres, galets | Rapide | B |
| P6 | Granulats | Moyenne | B |
| P7 | Pierres, galets | Moyenne | B |
| P8 | Pierres, galets | Lente | B |
| P9 | Pierres, galets | Rapide | C |
| P10 | Pierres, galets | Moyenne | C |
| P11 | Pierres, galets | Rapide | C |
| P12 | Pierres, galets | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Euleuctra | 67 | 2 | 1 | |
| Leuctra | 69 | 20 | 10 | 25 |
| Protonemura | 46 | 3 | ||
| Dinocras | 156 | 10 | ||
| Perla | 164 | 1 | ||
| Goeridae | 286 | 1 | ||
| Silo | 292 | 2 | 12 | |
| Cheumatopsyche | 221 | 1 | ||
| Hydropsyche | 212 | 264 | 8 | 13 |
| Hydroptilidae | 193 | 1 | 1 | |
| Ithytrichia | 198 | 1 | ||
| Lepidostomatidae | 304 | 8 | 1 | |
| Lepidostoma | 305 | 3 | 2 | 10 |
| Leptoceridae | 310 | 2 | ||
| Adicella | 320 | 4 | ||
| Athripsodes | 311 | 1 | ||
| Mystacides | 312 | 1 | ||
| Limnephilinae | 3163 | 3 | 1 | |
| Odontocerum | 339 | 1 | ||
| Polycentropodidae | 223 | 1 | ||
| Polycentropus | 231 | 2 | ||
| Rhyacophila lato-sensu | 183 | 1 | 2 | 2 |
| Sericostomatidae | 321 | 14 | 25 | 6 |
| Sericostoma | 322 | 8 | 6 | 6 |
| Baetis | 364 | 9 | 29 | 41 |
| Ephemera | 502 | 3 | 2 | 1 |
| Ephemerella | 450 | 67 | 8 | 9 |
| Torleya | 2391 | 1 | ||
| Heptageniidae | 399 | 1 | ||
| Ecdyonurus | 421 | 12 | 5 | |
| Epeorus | 400 | 1 | 3 | |
| Oligoneuriella | 394 | 1 | 6 | 5 |
| Pomatinus | 611 | 2 | ||
| Laccophilinae | 2394 | 3 | ||
| Colymbetinae | 2395 | 2 | ||
| Dupophilus | 620 | 1 | 16 | 18 |
| Elmis | 618 | 25 | 60 | 42 |
| Esolus | 619 | 4 | 128 | 32 |
| Limnius | 623 | 5 | 8 | 26 |
| Oulimnius | 622 | 2 | 4 | |
| Orectochilus | 515 | 8 | 1 | 2 |
| Hydraena | 608 | 1 | 1 | |
| Athericidae | 838 | 2 | 4 | 1 |
| Blephariceridae | 747 | 10 | ||
| Chironomidae | 807 | 1792 | 24 | 4 |
| Limoniidae | 757 | 6 | 2 | |
| Simuliidae | 801 | 112 | 10 | 336 |
| Calopteryx | 650 | 5 | ||
| Gammarus | 892 | 88 | 1 | 1 |
| Hydracarina | 906 | 1 | 1 | 1 |
| Pisidium | 1043 | 5 | 1 | |
| Gastropoda | 5123 | 1 | ||
| Ancylus | 1028 | 1 | 23 | 7 |
| Potamopyrgus | 978 | 1 | ||
| Oligochaeta | 933 | 8 | 146 | 52 |