Listes faunistiques invertébrés
La Sourdoire en aval de Vayrac 05061300
- Télécharger la fiche IRSTEA xls / 33 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 11/07/2018 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 17.0 |
| GFI | 8 |
| Variété taxonomique | 34 |
| Taxon indicateur | Brachycentridae |
| I2M2 | 0.4532 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 6.0 | dominant |
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 71.0 | dominant |
| Blocs | 4.0 | marginal |
| Granulats | 1.0 | marginal |
| Helophytes | ||
| Vases | ||
| Sables | 15.0 | dominant |
| Algues | ||
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Moyenne | A |
| P3 | Blocs | Lente | A |
| P4 | Granulats | Nulle | A |
| P5 | Bryophytes | Lente | B |
| P6 | Pierres, galets | Lente | B |
| P7 | Sables | Nulle | B |
| P8 | Pierres, galets | Moyenne | B |
| P9 | Pierres, galets | Nulle | C |
| P10 | Pierres, galets | Lente | C |
| P11 | Pierres, galets | Moyenne | C |
| P12 | Pierres, galets | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Euleuctra geniculata | 68 | 1 | ||
| Leuctra | 69 | 5 | 28 | 37 |
| Brachycentrus | 265 | 8 | 2 | 1 |
| Silo | 292 | 2 | ||
| Hydropsyche | 212 | 61 | 18 | 31 |
| Hydroptila | 200 | 9 | 38 | 4 |
| Ithytrichia | 198 | 2 | 2 | |
| Lepidostoma | 305 | 1 | ||
| Limnephilinae | 3163 | 1 | 1 | 1 |
| Polycentropus | 231 | 1 | 1 | |
| Psychomyia | 239 | 16 | 106 | 15 |
| Rhyacophila lato-sensu | 183 | 1 | 3 | |
| Baetis | 364 | 8 | 4 | 22 |
| Caenis | 457 | 2 | 1 | |
| Ephemerella ignita | 451 | 86 | 65 | 5 |
| Ecdyonurus | 421 | 5 | 4 | |
| Aphelocheirus | 721 | 5 | 4 | 1 |
| Micronecta | 719 | 6 | 5 | |
| Gerris | 735 | 1 | ||
| Dupophilus | 620 | 3 | 5 | 2 |
| Elmis | 618 | 5 | 13 | 2 |
| Esolus | 619 | 14 | 92 | 21 |
| Limnius | 623 | 6 | 3 | 4 |
| Oulimnius | 622 | 7 | 96 | 5 |
| Hydraena | 608 | 15 | 44 | 7 |
| Athericidae | 838 | 1 | 6 | 4 |
| Chironomidae | 807 | 59 | 18 | 14 |
| Empididae | 831 | 1 | ||
| Simuliidae | 801 | 12 | 19 | |
| Tabanidae | 837 | 1 | ||
| Tipulidae | 753 | 1 | ||
| Onychogomphus | 682 | 1 | 1 | 3 |
| Platycnemis | 657 | 1 | ||
| Sisyra | 856 | 1 | ||
| Orconectes | 870 | 1 | ||
| Echinogammarus | 888 | 322 | 1335 | 139 |
| Gammarus | 892 | 51 | 1364 | 46 |
| Copepoda | 3206 | 2 | ||
| Hydracarina | 906 | 1 | 23 | |
| Corbicula | 1051 | 3 | 2 | |
| Pisidium | 1043 | 1 | 1 | |
| Ancylus | 1028 | 2 | 4 | 118 |
| Radix | 1004 | 1 | 1 | |
| Physa (sensu lato) | 997 | 3 | 1 | |
| Planorbidae | 1009 | 1 | ||
| Oligochaeta | 933 | 5 | 3 | 9 |