Listes faunistiques invertébrés
Ruisseau des Gourgs à Castres 05139215
- Télécharger la fiche IRSTEA xls / 107 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 23/07/2019 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 15.0 |
| GFI | 7 |
| Variété taxonomique | 31 |
| 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 | 77.0 | dominant |
| Blocs | 3.0 | marginal |
| Granulats | 4.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 3.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 10.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Lente | A |
| P3 | Blocs | Lente | A |
| P4 | Granulats | Lente | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Pierres, galets | Nulle | B |
| P7 | Pierres, galets | Moyenne | B |
| P8 | Dalles, argiles | Lente | B |
| P9 | Pierres, galets | Lente | C |
| P10 | Pierres, galets | Nulle | C |
| P11 | Pierres, galets | Moyenne | C |
| P12 | Pierres, galets | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra geniculata | 33830 | 12 | 22 | 36 |
| Leuctra | 69 | 6 | 28 | 56 |
| Hydroptila | 200 | 1 | ||
| Mystacides | 312 | 4 | 1 | 1 |
| Oecetis | 317 | 15 | 7 | |
| Cyrnus | 224 | 8 | 1 | |
| Polycentropus | 231 | 21 | 2 | 11 |
| Polycentropodidae | 223 | 16 | 5 | 5 |
| Psychomyia | 239 | 2 | ||
| Rhyacophila lato-sensu | 183 | 4 | 16 | 4 |
| Baetis lato sensu | 9794 | 1 | 4 | |
| Centroptilum | 383 | 1 | ||
| Ephemera | 502 | 1 | 2 | 1 |
| Ecdyonurus | 421 | 1 | 9 | |
| Electrogena | 3181 | 1 | ||
| Heptageniidae | 399 | 1 | 3 | |
| Leptophlebiidae | 473 | 22 | 1 | 1 |
| Esolus | 619 | 1 | 1 | |
| Athericidae | 838 | 2 | 2 | |
| Chironomidae | 807 | 452 | 48 | 10 |
| Empididae | 831 | 2 | 2 | |
| Limoniidae | 757 | 6 | 3 | 4 |
| Calopteryx | 650 | 5 | 1 | |
| Epitheca | 2655 | 2 | ||
| Onychogomphus | 682 | 1 | 4 | 1 |
| Platycnemis | 657 | 1 | ||
| Sialis | 704 | 1 | ||
| Gammarus | 892 | 332 | 40 | 80 |
| Copepoda | 3206 | 3 | ||
| Ostracoda | 3170 | 3 | ||
| Pacifastacus | 872 | 1 | ||
| Asellidae | 880 | 4 | ||
| Corbicula | 1051 | 3 | 4 | |
| Ancylus | 1028 | 6 | 48 | 88 |
| Physidae | 995 | 1 | ||
| Planorbidae | 1009 | 244 | 1 | 1 |
| Oligochaeta | 933 | 88 | 96 | 104 |
| Mermithoïdea | 3159 | 3 | 3 | |
| Prostoma | 3110 | 3 | 3 | |
| Hydracarina | 906 | 3 | 3 | |
| Bryozoa | 1087 | 3 | 3 |