Listes faunistiques invertébrés
Le Gers à Montestruc-sur-Gers 05114910
- Télécharger la fiche IRSTEA xls / 2198 ko
- Export SEEE csv / 8 ko
| Date prélèvement | 29/09/2016 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 14.0 |
| GFI | 5 |
| Variété taxonomique | 36 |
| Taxon indicateur | Hydroptilidae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 3.0 | marginal |
| Blocs | 2.0 | marginal |
| Granulats | 84.0 | dominant |
| Helophytes | ||
| Vases | ||
| Sables | 2.0 | marginal |
| Algues | ||
| Dalles, argiles | 6.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Lente | A |
| P3 | Pierres, galets | Moyenne | A |
| P4 | Blocs | Lente | A |
| P5 | Granulats | Lente | B |
| P6 | Dalles, argiles | Lente | B |
| P7 | Granulats | Nulle | B |
| P8 | Granulats | Moyenne | B |
| P9 | Granulats | Lente | C |
| P10 | Granulats | Nulle | C |
| P11 | Granulats | Moyenne | C |
| P12 | Granulats | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydropsyche | 212 | 92 | 15 | |
| Hydroptila | 200 | 1 | 1 | |
| Ithytrichia | 198 | 3 | ||
| Mystacides | 312 | 3 | ||
| Oecetis | 317 | 2 | 3 | 4 |
| Setodes | 318 | 3 | ||
| Triaenodes - Ylodes | 24007 | 4 | ||
| Limnephilidae | 276 | 1 | ||
| Psychomyia | 239 | 1 | ||
| Rhyacophila lato-sensu | 183 | 1 | 1 | |
| Baetis lato sensu | 9794 | 164 | 6 | 40 |
| Procloeon | 390 | 8 | ||
| Caenis | 457 | 4 | 3 | 1 |
| Heptageniidae | 399 | 1 | ||
| Heptagenia | 443 | 6 | ||
| Leptophlebiidae | 473 | 1 | ||
| Ephoron | 496 | 1 | ||
| Aphelocheirus | 721 | 10 | 2 | 2 |
| Gerris | 735 | 1 | ||
| Dryops | 613 | 8 | ||
| Elmis | 618 | 5 | ||
| Esolus | 619 | 46 | 173 | 161 |
| Limnius | 623 | 11 | 85 | 120 |
| Macronychus | 626 | 7 | ||
| Oulimnius | 622 | 30 | 1 | 1 |
| Potamophilus | 615 | 7 | ||
| Stenelmis | 617 | 21 | 26 | 24 |
| Orectochilus | 515 | 1 | ||
| Hydraena | 608 | 1 | ||
| Athericidae | 838 | 5 | 1 | 3 |
| Chironomidae | 807 | 600 | 15 | 20 |
| Limoniidae | 757 | 2 | ||
| Simuliidae | 801 | 38 | 2 | |
| Tipulidae | 753 | 2 | 3 | |
| Gomphus | 679 | 3 | 1 | |
| Onychogomphus | 682 | 1 | 2 | 6 |
| Calopteryx | 650 | 3 | ||
| Platycnemis | 657 | 1 | ||
| Echinogammarus | 888 | 41 | 2 | 1 |
| Asellidae | 880 | 5 | 1 | 1 |
| Corbicula | 1051 | 21 | 71 | 83 |
| Potamopyrgus | 978 | 1 | ||
| Radix | 1004 | 1 | 1 | |
| Theodoxus | 967 | 69 | 20 | 16 |
| Physa (sensu lato) | 997 | 3 | ||
| Planorbidae | 1009 | 22 | 12 | 13 |
| Ancylus | 1028 | 1 | 1 | |
| Oligochaeta | 933 | 1 | 4 | |
| Dugesiidae | 1055 | 5 | 1 | |
| Nematoda | 1089 | 2 | 1 | |
| Hydracarina | 906 | 5 | 7 | 2 |