Listes faunistiques invertébrés
Le Gers à Montestruc-sur-Gers 05114910
- Télécharger la fiche IRSTEA xls / 660 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 12/09/2017 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 14.0 |
| GFI | 5 |
| Variété taxonomique | 33 |
| Taxon indicateur | Hydroptilidae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 6.0 | dominant |
| Pierres, galets | 4.0 | marginal |
| Blocs | 2.0 | marginal |
| Granulats | 79.0 | dominant |
| Helophytes | ||
| Vases | ||
| Sables | 2.0 | marginal |
| Algues | ||
| Dalles, argiles | 6.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Pierres, galets | Moyenne | A |
| P3 | Blocs | Moyenne | A |
| P4 | Sables | Nulle | A |
| P5 | Branchage, racines | Moyenne | B |
| P6 | Granulats | Moyenne | B |
| P7 | Dalles, argiles | Moyenne | B |
| P8 | Granulats | Lente | A |
| P9 | Granulats | Rapide | C |
| P10 | Granulats | Nulle | C |
| P11 | Granulats | Moyenne | C |
| P12 | Granulats | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 1 | ||
| Hydropsyche | 212 | 122 | 31 | 15 |
| Hydroptila | 200 | 2 | 2 | |
| Ithytrichia | 198 | 1 | ||
| Mystacides | 312 | 1 | 1 | |
| Oecetis | 317 | 1 | ||
| Leptoceridae | 310 | 10 | ||
| Baetis lato sensu | 9794 | 18 | 118 | 21 |
| Centroptilum | 383 | 6 | ||
| Caenis | 457 | 5 | 2 | |
| Heptageniidae | 399 | 2 | 1 | |
| Heptagenia | 443 | 7 | ||
| Aphelocheirus | 721 | 1 | 5 | |
| Micronecta | 719 | 2 | ||
| Gerris | 735 | 2 | ||
| Dryops | 613 | 2 | 3 | |
| Pomatinus | 611 | 1 | ||
| Elmis | 618 | 6 | 29 | |
| Esolus | 619 | 8 | 44 | 41 |
| Limnius | 623 | 11 | 32 | 119 |
| Macronychus | 626 | 11 | 19 | |
| Oulimnius | 622 | 3 | 18 | |
| Potamophilus | 615 | 5 | ||
| Stenelmis | 617 | 29 | 16 | 16 |
| Orectochilus | 515 | 1 | ||
| Athericidae | 838 | 3 | 5 | 1 |
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 12 | 8 | |
| Simuliidae | 801 | 2 | 6 | 1 |
| Tipulidae | 753 | 6 | 2 | 1 |
| Boyeria | 670 | 3 | ||
| Onychogomphus | 682 | 3 | 12 | 1 |
| Calopteryx | 650 | 5 | 7 | |
| Platycnemis | 657 | 3 | 2 | |
| Gammaridae | 887 | 1 | ||
| Echinogammarus | 888 | 7 | 266 | 5 |
| Asellidae | 880 | 2 | 14 | |
| Corbicula | 1051 | 35 | 59 | 82 |
| Pisidium | 1043 | 1 | ||
| Theodoxus | 967 | 66 | 3 | 29 |
| Physa (sensu lato) | 997 | 5 | ||
| Planorbidae | 1009 | 14 | 4 | |
| Ancylus | 1028 | 10 | ||
| Oligochaeta | 933 | 1 | 1 | 25 |
| Dugesiidae | 1055 | 9 | 2 | 2 |
| Nematoda | 1089 | 1 | ||
| Hydracarina | 906 | 1 | 2 | 2 |