Listes faunistiques invertébrés
Le Dourdou en aval de Saint Izaire 05144500
- Télécharger la fiche IRSTEA xls / 29 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 31/07/2012 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 16.0 |
| GFI | 8 |
| Variété taxonomique | 31 |
| Taxon indicateur | Brachycentridae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 40.0 | dominant |
| Blocs | 23.0 | dominant |
| Granulats | 2.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 1.0 | marginal |
| Algues | 1.0 | marginal |
| Dalles, argiles | 30.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Branchage, racines | Lente | A |
| P2 | Granulats | Lente | A |
| P3 | Helophytes | Nulle | A |
| P4 | Sables | Nulle | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Moyenne | B |
| P7 | Dalles, argiles | Moyenne | B |
| P8 | Pierres, galets | Lente | B |
| P9 | Pierres, galets | Rapide | C |
| P10 | Dalles, argiles | Rapide | C |
| P11 | Blocs | Lente | C |
| P12 | Pierres, galets | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Euleuctra geniculata | 68 | 1 | 2 | |
| Leuctra | 69 | 4 | 14 | 16 |
| Oligoplectrum | 263 | 272 | 17 | |
| Cheumatopsyche | 221 | 32 | 76 | 84 |
| Hydropsyche | 212 | 3 | 24 | 8 |
| Hydroptila | 200 | 2 | 23 | 19 |
| Orthotrichia | 197 | 8 | 3 | 3 |
| Leptoceridae | 310 | 1 | ||
| Mystacides | 312 | 5 | 2 | |
| Chimarra | 207 | 10 | 3 | |
| Polycentropus | 231 | 1 | ||
| Psychomyia | 239 | 36 | 9 | |
| Rhyacophila lato-sensu | 183 | 1 | ||
| Baetidae | 363 | 5 | 9 | |
| Baetis | 364 | 9 | 58 | 134 |
| Caenis | 457 | 4 | 4 | 1 |
| Ephemera | 502 | 1 | ||
| Ephemerella ignita | 451 | 1 | ||
| Heptageniidae | 399 | 14 | 1 | |
| Ecdyonurus | 421 | 22 | 19 | |
| Heptagenia | 443 | 5 | 2 | |
| Isonychia | 397 | 1 | 1 | |
| Choroterpes | 474 | 7 | 3 | |
| Oligoneuriella | 394 | 1 | ||
| Ephoron | 496 | 1 | 1 | 1 |
| Micronecta | 719 | 3 | 1 | |
| Elmis | 618 | 1 | ||
| Esolus | 619 | 53 | 13 | 10 |
| Limnius | 623 | 1 | ||
| Oulimnius | 622 | 2 | 1 | |
| Athericidae | 838 | 2 | 2 | 2 |
| Ceratopogonidae | 819 | 1 | 1 | |
| Chironomidae | 807 | 32 | 9 | 44 |
| Empididae | 831 | 3 | ||
| Limoniidae | 757 | 9 | 4 | |
| Simuliidae | 801 | 1 | 19 | 216 |
| Gomphidae | 678 | 1 | ||
| Gomphus | 679 | 1 | ||
| Onychogomphus | 682 | 1 | ||
| Copepoda | 3206 | 1 | ||
| Ostracoda | 3170 | 2 | ||
| Asellidae | 880 | 1 | ||
| Hydracarina | 906 | 13 | 22 | 10 |
| Corbicula | 1051 | 2 | ||
| Pisidium | 1043 | 7 | ||
| Theodoxus | 967 | 1 | ||
| Oligochaeta | 933 | 64 | 2 | 2 |
| Dugesiidae | 1055 | 1 |