Listes faunistiques invertébrés
Ruisseau des Gourgs à Castres 05139215
- Télécharger la fiche IRSTEA xls / 108 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 01/08/2018 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 14.0 |
| GFI | 7 |
| Variété taxonomique | 27 |
| Taxon indicateur | Leuctridae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 47.0 | dominant |
| Blocs | 6.0 | dominant |
| Granulats | 37.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 3.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 4.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Sables | Nulle | A |
| P4 | Dalles, argiles | Lente | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Blocs | Moyenne | B |
| P7 | Granulats | Lente | B |
| P8 | Pierres, galets | Moyenne | B |
| P9 | Granulats | Nulle | C |
| P10 | Pierres, galets | Nulle | C |
| P11 | Granulats | Moyenne | C |
| P12 | Pierres, galets | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra geniculata | 33830 | 1 | 2 | |
| Leuctra | 69 | 13 | 8 | |
| Cheumatopsyche | 221 | 1 | ||
| Hydropsyche | 212 | 2 | 1 | |
| Mystacides | 312 | 4 | ||
| Oecetis | 317 | 6 | ||
| Leptoceridae | 310 | 1 | ||
| Cyrnus | 224 | 1 | ||
| Polycentropus | 231 | 6 | 7 | 10 |
| Polycentropodidae | 223 | 2 | 2 | |
| Lype | 241 | 1 | ||
| Rhyacophila lato-sensu | 183 | 1 | 4 | 2 |
| Baetis lato sensu | 9794 | 13 | 4 | 12 |
| Caenis | 457 | 1 | ||
| Ephemerella ignita | 451 | 2 | ||
| Ephemera | 502 | 2 | 2 | |
| Ecdyonurus | 421 | 2 | 4 | |
| Choroterpes | 474 | 1 | ||
| Paraleptophlebia | 481 | 2 | 1 | 4 |
| Leptophlebiidae | 473 | 6 | 2 | 9 |
| Dryops | 613 | 1 | ||
| Esolus | 619 | 2 | ||
| Limnius | 623 | 1 | ||
| Athericidae | 838 | 3 | 10 | 3 |
| Chironomidae | 807 | 46 | 22 | 80 |
| Empididae | 831 | 4 | 8 | |
| Limoniidae | 757 | 3 | 1 | |
| Simuliidae | 801 | 8 | 50 | |
| Calopteryx | 650 | 8 | ||
| Onychogomphus | 682 | 1 | 1 | |
| Gomphidae | 678 | 1 | ||
| Crangonyx | 5116 | 1 | 1 | |
| Gammarus | 892 | 15 | 66 | 44 |
| Copepoda | 3206 | 1 | 1 | |
| Pacifastacus | 872 | 1 | ||
| Asellidae | 880 | 1 | 1 | |
| Corbicula | 1051 | 1 | ||
| Ancylus | 1028 | 6 | 4 | |
| Oligochaeta | 933 | 4 | 54 | 60 |
| Hydracarina | 906 | 1 | 1 |