Listes faunistiques invertébrés
Ruisseau des Gourgs à Castres 05139215
- Télécharger la fiche IRSTEA xls / 47 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 04/07/2016 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 14.0 |
| GFI | 7 |
| Variété taxonomique | 26 |
| Taxon indicateur | Leuctridae |
| I2M2 | 0.4733 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 27.0 | dominant |
| Blocs | 8.0 | dominant |
| Granulats | 55.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 3.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 3.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Nulle | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Nulle | A |
| P4 | Sables | Nulle | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Moyenne | B |
| P7 | Granulats | Lente | B |
| P8 | Granulats | Nulle | B |
| P9 | Pierres, galets | Lente | C |
| P10 | Granulats | Lente | C |
| P11 | Granulats | Nulle | C |
| P12 | Granulats | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra geniculata | 33830 | 1 | 16 | |
| Leuctra | 69 | 30 | ||
| Goeridae | 286 | 1 | 2 | |
| Hydroptila | 200 | 1 | ||
| Mystacides | 312 | 5 | 1 | 1 |
| Polycentropus | 231 | 4 | 1 | 2 |
| Polycentropodidae | 223 | 2 | 1 | |
| Rhyacophila lato-sensu | 183 | 2 | ||
| Baetis lato sensu | 9794 | 1 | 18 | 1 |
| Caenis | 457 | 1 | ||
| Ephemerella ignita | 451 | 4 | 1 | |
| Ephemera | 502 | 1 | 4 | |
| Electrogena | 3181 | 1 | ||
| Micronecta | 719 | 1 | ||
| Dupophilus | 620 | 1 | ||
| Esolus | 619 | 3 | 4 | |
| Limnius | 623 | 1 | ||
| Oulimnius | 622 | 1 | ||
| Athericidae | 838 | 1 | 1 | |
| Ceratopogoninae | 822 | 1 | ||
| Chironomidae | 807 | 120 | 23 | 16 |
| Empididae | 831 | 1 | 4 | |
| Psychodidae | 783 | 1 | ||
| Simuliidae | 801 | 15 | ||
| Onychogomphus | 682 | 1 | 2 | 1 |
| Gammarus | 892 | 42 | 124 | 4 |
| Copepoda | 3206 | 1 | ||
| Pacifastacus | 872 | 1 | ||
| Asellidae | 880 | 5 | 1 | |
| Corbicula | 1051 | 3 | 3 | 2 |
| Pisidium | 1043 | 2 | ||
| Ancylus | 1028 | 3 | 92 | 46 |
| Planorbidae | 1009 | 2 | 1 | 1 |
| Oligochaeta | 933 | 104 | 196 | 116 |
| Hydracarina | 906 | 1 | 1 |