Listes faunistiques invertébrés
Ruisseau des Gourgs à Castres 05139215
- Télécharger la fiche IRSTEA xls / 36 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 24/08/2017 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 15.0 |
| GFI | 7 |
| Variété taxonomique | 30 |
| Taxon indicateur | Leuctridae |
| I2M2 | 0.5462 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 45.0 | dominant |
| Blocs | 8.0 | dominant |
| Granulats | 36.0 | 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 | Bryophytes | Nulle | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Nulle | A |
| P4 | Sables | Nulle | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Blocs | Moyenne | B |
| P7 | Granulats | Lente | B |
| P8 | Pierres, galets | Moyenne | B |
| P9 | Pierres, galets | Nulle | C |
| P10 | Pierres, galets | Lente | C |
| P11 | Granulats | Nulle | C |
| P12 | Granulats | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra geniculata | 33830 | 1 | ||
| Leuctra | 69 | 2 | ||
| Leuctridae | 66 | 1 | ||
| Goeridae | 286 | 1 | ||
| Hydropsyche | 212 | 1 | ||
| Mystacides | 312 | 2 | 3 | |
| Oecetis | 317 | 2 | ||
| Wormaldia | 210 | 1 | ||
| Cyrnus | 224 | 6 | ||
| Polycentropus | 231 | 1 | 3 | 2 |
| Polycentropodidae | 223 | 3 | ||
| Rhyacophila lato-sensu | 183 | 1 | ||
| Baetis lato sensu | 9794 | 9 | ||
| Centroptilum | 383 | 1 | ||
| Procloeon | 390 | 1 | ||
| Ephemera | 502 | 1 | 8 | 6 |
| Ecdyonurus | 421 | 3 | ||
| Paraleptophlebia | 481 | 2 | 2 | |
| Leptophlebiidae | 473 | 10 | 5 | 7 |
| Dupophilus | 620 | 1 | ||
| Esolus | 619 | 1 | ||
| Athericidae | 838 | 17 | 12 | 6 |
| Chironomidae | 807 | 240 | 19 | 15 |
| Empididae | 831 | 1 | ||
| Limoniidae | 757 | 1 | ||
| Simuliidae | 801 | 1 | 2 | |
| Calopteryx | 650 | 5 | 1 | 2 |
| Onychogomphus | 682 | 1 | ||
| Crangonyx | 5116 | 1 | ||
| Gammarus | 892 | 34 | 70 | |
| Cladocera | 3127 | 1 | ||
| Copepoda | 3206 | 1 | ||
| Orconectes | 870 | 2 | ||
| Asellidae | 880 | 9 | 1 | |
| Corbicula | 1051 | 7 | 53 | 1 |
| Ancylus | 1028 | 6 | 2 | |
| Ferrissia | 1030 | 6 | ||
| Physidae | 995 | 1 | ||
| Planorbidae | 1009 | 4 | ||
| Oligochaeta | 933 | 236 | 69 | 119 |
| Mermithoïdea | 3159 | 1 | ||
| Hydracarina | 906 | 1 |