Listes faunistiques invertébrés
Le Gers en aval d'Aries Espenan 05115600
- Télécharger la fiche IRSTEA xls / 647 ko
- Export SEEE csv / 10 ko
| Date prélèvement | 22/09/2020 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 20.0 |
| GFI | 9 |
| Variété taxonomique | 43 |
| 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 | 3.0 | marginal |
| Pierres, galets | 71.0 | dominant |
| Blocs | 12.0 | dominant |
| Granulats | 4.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 6.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 3.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | A | |
| P3 | Granulats | Lente | A |
| P4 | Dalles, argiles | A | |
| P5 | Pierres, galets | B | |
| P6 | Blocs | B | |
| P7 | Sables | Lente | B |
| P8 | Pierres, galets | Rapide | B |
| P9 | Pierres, galets | Lente | C |
| P10 | Pierres, galets | C | |
| P11 | Pierres, galets | Rapide | C |
| P12 | Pierres, galets | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 27 | 38 | 53 |
| Protonemura | 46 | 2 | 2 | |
| Perla | 164 | 1 | 1 | |
| Perlodes | 150 | 2 | 2 | |
| Taeniopteryx | 14 | 7 | 1 | |
| Oligoplectrum | 263 | 1 | ||
| Glossosoma | 190 | 1 | 1 | |
| Silo-lithax | 5219 | 5 | ||
| Silo | 292 | 13 | 2 | |
| Hydropsyche | 212 | 82 | 22 | 99 |
| Ithytrichia | 198 | 19 | ||
| Lepidostoma | 305 | 12 | 4 | 7 |
| Leptoceridae | 310 | 11 | 1 | |
| Adicella | 320 | 1 | ||
| Athripsodes | 311 | 1 | ||
| Mystacides | 312 | 28 | ||
| Oecetis | 317 | 17 | 1 | |
| Odontocerum | 339 | 2 | 1 | 2 |
| Rhyacophila lato-sensu | 183 | 1 | 3 | 6 |
| Sericostoma | 322 | 74 | 72 | 25 |
| Baetis lato sensu | 9794 | 13 | 50 | 21 |
| Centroptilum | 383 | 1 | ||
| Caenis | 457 | 9 | 2 | |
| Ephemerella ignita | 451 | 21 | 11 | 11 |
| Torleya | 2391 | 1 | ||
| Ephemera | 502 | 1 | 4 | 1 |
| Heptageniidae | 399 | 1 | 12 | 5 |
| Ecdyonurus | 421 | 3 | 15 | |
| Epeorus | 400 | 3 | 34 | |
| Heptagenia | 443 | 1 | 2 | |
| Rhithrogena | 404 | 10 | 15 | |
| Leptophlebiidae | 473 | 12 | 1 | 2 |
| Paraleptophlebia | 481 | 5 | 2 | |
| Oligoneuriella | 394 | 1 | 9 | |
| Gerris | 735 | 2 | ||
| Pomatinus | 611 | 5 | ||
| Colymbetinae | 2395 | 2 | ||
| Dupophilus | 620 | 1 | 14 | 1 |
| Elmis | 618 | 82 | 29 | 44 |
| Esolus | 619 | 31 | 55 | 21 |
| Limnius | 623 | 6 | 14 | 10 |
| Oulimnius | 622 | 21 | 1 | |
| Orectochilus | 515 | 11 | 3 | 10 |
| Hydraena | 608 | 3 | 3 | 4 |
| Athericidae | 838 | 3 | 8 | 10 |
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 326 | 38 | 81 |
| Empididae | 831 | 1 | 2 | 1 |
| Limoniidae | 757 | 2 | 2 | |
| Simuliidae | 801 | 25 | 2 | 7 |
| Boyeria | 670 | 2 | ||
| Gomphidae | 678 | 2 | 3 | |
| Onychogomphus | 682 | 2 | ||
| Calopteryx | 650 | 20 | ||
| Gammaridae | 887 | 2 | ||
| Echinogammarus | 888 | 5 | 3 | |
| Gammarus | 892 | 2 | 1 | |
| Pisidium | 1043 | 4 | 2 | |
| Hydrobiidae | 973 | 14 | 1 | |
| Potamopyrgus | 978 | 15 | ||
| Physidae | 995 | 3 | ||
| Ancylus | 1028 | 2 | 1 | |
| Oligochaeta | 933 | 3 | 7 | 3 |
| Planariidae | 1061 | 1 | ||
| Hydracarina | 906 | 3 | 2 | 2 |
| Copepoda | 3206 | 6 | ||
| Ostracoda | 3170 | 1 |