Listes faunistiques invertébrés
Le Gers à Rambert 05115000
- Télécharger la fiche IRSTEA xls / 619 ko
- Export SEEE csv / 8 ko
| Date prélèvement | 31/08/2022 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 14.0 |
| GFI | 5 |
| Variété taxonomique | 34 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 2.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 13.0 | dominant |
| Pierres, galets | 21.0 | dominant |
| Blocs | 4.0 | marginal |
| Granulats | 12.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 2.0 | marginal |
| Algues | 1.0 | marginal |
| Dalles, argiles | 44.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Litieres | Nulle | A |
| P3 | Blocs | Moyenne | A |
| P4 | Sables | Nulle | A |
| P5 | Branchage, racines | Lente | B |
| P6 | Pierres, galets | Moyenne | B |
| P7 | Granulats | Lente | B |
| P8 | Dalles, argiles | Moyenne | B |
| P9 | Dalles, argiles | Lente | C |
| P10 | Dalles, argiles | Nulle | C |
| P11 | Dalles, argiles | Moyenne | C |
| P12 | Pierres, galets | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydropsyche | 212 | 30 | 9 | 10 |
| Hydroptila | 200 | 51 | 145 | 16 |
| Ithytrichia | 198 | 5 | 1 | |
| Orthotrichia | 197 | 1 | ||
| Athripsodes | 311 | 2 | ||
| Ceraclea | 313 | 2 | ||
| Polycentropodidae | 223 | 3 | ||
| Polycentropus | 231 | 3 | ||
| Psychomyiidae | 238 | 2 | 3 | |
| Psychomyia | 239 | 1 | ||
| Rhyacophila stricto-sensu | 5237 | 3 | 1 | |
| Baetis lato sensu | 9794 | 62 | 158 | 11 |
| Centroptilum | 383 | 2 | ||
| Cloeon | 387 | 1 | ||
| Procloeon | 390 | 34 | 43 | 19 |
| Caenis | 457 | 7 | 7 | 5 |
| Ephemera | 502 | 2 | ||
| Heptageniidae | 399 | 2 | ||
| Heptagenia | 443 | 3 | 4 | |
| Potamanthus | 509 | 1 | 3 | 1 |
| Aphelocheirus | 721 | 2 | ||
| Micronectinae | 20396 | 16 | 3 | |
| Gerridae | 734 | 1 | ||
| Dryops | 613 | 1 | ||
| Pomatinus substriatus | 33844 | 1 | ||
| Elmis | 618 | 2 | 11 | 3 |
| Esolus | 619 | 63 | 177 | 1 |
| Limnius | 623 | 9 | 41 | 1 |
| Macronychus | 626 | 1 | ||
| Oulimnius | 622 | 7 | 2 | 1 |
| Potamophilus | 615 | 1 | 1 | |
| Stenelmis | 617 | 129 | 139 | 1 |
| Orectochilus | 515 | 1 | ||
| Athericidae | 838 | 1 | 4 | 1 |
| Chironomidae | 807 | 180 | 466 | 91 |
| Empididae | 831 | 2 | ||
| Pediciidae | 50011 | 2 | ||
| Simuliidae | 801 | 11 | 7 | 2 |
| Gomphus | 679 | 3 | ||
| Onychogomphus | 682 | 1 | ||
| Calopteryx | 650 | 1 | 15 | |
| Copepoda | 3206 | 2 | ||
| Ostracoda | 3170 | 1 | ||
| Crangonyx | 5116 | 2 | ||
| Echinogammarus | 888 | 5 | 44 | |
| Asellidae | 880 | 2 | 1 | |
| Corbicula | 1051 | 65 | 106 | 5 |
| Pisidium | 1043 | 38 | 11 | |
| Planorbidae | 1009 | 3 | 15 | |
| Ancylus | 1028 | 2 | 5 | 4 |
| Erpobdellidae | 928 | 1 | ||
| Oligochaeta | 933 | 170 | 157 | 35 |
| Dugesiidae | 1055 | 44 | 16 | 3 |
| Nematoda | 1089 | 1 | 3 | |
| Hydracarina | 906 | 8 | 4 | 8 |
| Bryozoa | 1087 | 1 | 1 |