Listes faunistiques invertébrés
Le Gers en aval d'Aries Espenan 05115600
- Télécharger la fiche IRSTEA xls / 660 ko
- Export SEEE csv / 11 ko
| Date prélèvement | 29/09/2017 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 20.0 |
| GFI | 9 |
| Variété taxonomique | 47 |
| 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 | 77.0 | dominant |
| Blocs | 2.0 | marginal |
| Granulats | 7.0 | dominant |
| 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 | Lente | A |
| P3 | Blocs | Moyenne | A |
| P4 | Dalles, argiles | Lente | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Granulats | Moyenne | B |
| P7 | Sables | Lente | B |
| P8 | Pierres, galets | Rapide | A |
| P9 | Pierres, galets | Lente | C |
| P10 | Pierres, galets | Nulle | C |
| P11 | Pierres, galets | Moyenne | C |
| P12 | Pierres, galets | Rapide | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 78 | 111 | 55 |
| Euleuctra geniculata | 68 | 1 | 2 | |
| Protonemura | 46 | 1 | 1 | |
| Dinocras | 156 | 1 | ||
| Perla | 164 | 3 | 1 | |
| Taeniopteryx | 14 | 589 | 160 | 12 |
| Glossosoma | 190 | 4 | 2 | |
| Silo-lithax | 5219 | 5 | ||
| Silo | 292 | 1 | ||
| Hydropsyche | 212 | 234 | 52 | 20 |
| Ithytrichia | 198 | 7 | ||
| Lepidostomatidae | 304 | 1 | ||
| Lasiocephala | 307 | 15 | 4 | 1 |
| Lepidostoma | 305 | 4 | 9 | 1 |
| Adicella | 320 | 3 | ||
| Mystacides | 312 | 2 | ||
| Oecetis | 317 | 2 | ||
| Odontocerum | 339 | 1 | ||
| Polycentropodidae | 223 | 2 | ||
| Polycentropus | 231 | 1 | ||
| Rhyacophila lato-sensu | 183 | 2 | 7 | |
| Sericostomatidae | 321 | 5 | 11 | 12 |
| Sericostoma | 322 | 46 | 7 | 4 |
| Baetis lato sensu | 9794 | 115 | 453 | 191 |
| Caenis | 457 | 1 | 2 | 1 |
| Ephemerella ignita | 451 | 22 | 23 | 7 |
| Torleya | 2391 | 1 | 2 | |
| Ephemera | 502 | 3 | 7 | 6 |
| Heptageniidae | 399 | 1 | 3 | 3 |
| Ecdyonurus | 421 | 2 | 8 | 16 |
| Epeorus | 400 | 40 | 12 | |
| Heptagenia | 443 | 5 | 4 | 1 |
| Rhithrogena | 404 | 1 | ||
| Leptophlebiidae | 473 | 5 | 1 | |
| Paraleptophlebia | 481 | 3 | ||
| Oligoneuriella | 394 | 2 | 3 | |
| Gerris | 735 | 2 | ||
| Nepidae | 725 | 1 | ||
| Pomatinus | 611 | 2 | ||
| Colymbetinae | 2395 | 33 | ||
| Dupophilus | 620 | 10 | 31 | 14 |
| Elmis | 618 | 207 | 47 | 45 |
| Esolus | 619 | 53 | 63 | 17 |
| Limnius | 623 | 22 | 140 | 18 |
| Macronychus | 626 | 2 | ||
| Oulimnius | 622 | 3 | 1 | |
| Orectochilus | 515 | 23 | 8 | 5 |
| Hydraena | 608 | 20 | 7 | 2 |
| Athericidae | 838 | 5 | 6 | 3 |
| Blephariceridae | 747 | 1 | 7 | 5 |
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 330 | 25 | 17 |
| Empididae | 831 | 1 | ||
| Limoniidae | 757 | 3 | 14 | 1 |
| Rhagionidae | 841 | 1 | ||
| Simuliidae | 801 | 2 | 47 | 46 |
| Tipulidae | 753 | 1 | 1 | |
| Boyeria | 670 | 3 | ||
| Onychogomphus | 682 | 2 | 3 | |
| Calopteryx | 650 | 29 | ||
| Gammarus | 892 | 18 | 1 | 2 |
| Asellidae | 880 | 1 | ||
| Pisidium | 1043 | 3 | 5 | |
| Potamopyrgus | 978 | 1 | 1 | |
| Ancylus | 1028 | 3 | 7 | 38 |
| Erpobdellidae | 928 | 1 | 1 | |
| Oligochaeta | 933 | 1 | 4 | 1 |
| Planariidae | 1061 | 1 | ||
| Nematoda | 1089 | 2 | 1 | |
| Hydracarina | 906 | 3 | 2 | 1 |