Listes faunistiques invertébrés
Ruisseau des Gourgs à Castres 05139215
- Télécharger la fiche IRSTEA xls / 108 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 05/08/2020 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 16.0 |
| GFI | 7 |
| Variété taxonomique | 34 |
| I2M2 | 0.6846 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 76.0 | dominant |
| Blocs | 2.0 | marginal |
| Granulats | 3.0 | marginal |
| Helophytes | ||
| Vases | ||
| Sables | 2.0 | marginal |
| Algues | ||
| Dalles, argiles | 14.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Blocs | Nulle | A |
| P4 | Granulats | Lente | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Dalles, argiles | Nulle | B |
| P7 | Pierres, galets | Moyenne | B |
| P8 | Pierres, galets | Nulle | B |
| P9 | Pierres, galets | Lente | C |
| P10 | Pierres, galets | Moyenne | C |
| P11 | Pierres, galets | Nulle | C |
| P12 | Pierres, galets | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Boyeria | 670 | 1 | ||
| Calopteryx | 650 | 1 | ||
| Mystacides | 312 | 5 | ||
| Heptageniidae | 399 | 4 | 1 | |
| Hydropsyche | 212 | 2 | ||
| Rhyacophila lato-sensu | 183 | 8 | ||
| Tipulidae | 753 | 1 | ||
| Esolus | 619 | 2 | 1 | |
| Gomphus | 679 | 1 | 1 | |
| Procloeon | 390 | 4 | 2 | |
| Nemathelmintha | 3111 | 1 | ||
| Hydracarina | 906 | 1 | ||
| Copepoda | 3206 | 1 | 1 | |
| Planorbidae | 1009 | 12 | 2 | |
| Ferrissia | 1030 | 2 | ||
| Ancylus | 1028 | 3 | 5 | 18 |
| Prostoma | 3110 | 3 | 1 | |
| Dugesia | 1056 | 1 | ||
| Oecetis | 317 | 6 | 1 | |
| Lype | 241 | 2 | 1 | |
| Cyrnus | 224 | 2 | ||
| Polycentropus | 231 | 48 | 14 | 15 |
| Ephemerella ignita | 451 | 1 | 8 | 1 |
| Ephemera | 502 | 1 | 5 | 17 |
| Ecdyonurus | 421 | 1 | 21 | 27 |
| Electrogena | 3181 | 3 | ||
| Leptophlebiidae | 473 | 80 | 35 | 70 |
| Paraleptophlebia | 481 | 80 | 12 | 14 |
| Centroptilum | 383 | 12 | 1 | |
| Baetis lato sensu | 9794 | 9 | 78 | 6 |
| Caenis | 457 | 1 | 1 | |
| Cloeon | 387 | 2 | ||
| Asellidae | 880 | 23 | ||
| Empididae | 831 | 1 | 5 | |
| Athericidae | 838 | 1 | 13 | 19 |
| Simuliidae | 801 | 14 | 13 | |
| Limoniidae | 757 | 3 | 2 | 1 |
| Chironomidae | 807 | 130 | 40 | 56 |
| Epitheca | 2655 | 1 | ||
| Onychogomphus | 682 | 1 | 2 | 5 |
| Leuctra | 69 | 62 | 155 | 60 |
| Leuctra geniculata | 33830 | 5 | 9 | 14 |
| Gammarus | 892 | 120 | 176 | 22 |
| Oligochaeta | 933 | 26 | 74 | 66 |
| Pacifastacus | 872 | 5 | 2 | |
| Sphaeriidae | 1042 | 2 | ||
| Corbicula | 1051 | 5 |