Listes faunistiques invertébrés
Ruisseau des Gourgs à Castres 05139215
- Télécharger la fiche IRSTEA xls / 111 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 28/07/2021 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 14.0 |
| GFI | 7 |
| Variété taxonomique | 28 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | ||
| Litieres | ||
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 86.0 | dominant |
| Blocs | 2.0 | marginal |
| Granulats | 1.0 | marginal |
| Helophytes | ||
| Vases | ||
| Sables | 2.0 | marginal |
| Algues | ||
| Dalles, argiles | 7.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Branchage, racines | Lente | A |
| P3 | Blocs | Lente | A |
| P4 | Granulats | Lente | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Pierres, galets | Lente | B |
| P7 | Pierres, galets | Nulle | B |
| P8 | Dalles, argiles | Lente | B |
| P9 | Pierres, galets | Moyenne | C |
| P10 | Pierres, galets | Lente | C |
| P11 | Pierres, galets | Nulle | C |
| P12 | Pierres, galets | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 23 | 104 | 38 |
| Hydropsyche | 212 | 9 | 4 | 2 |
| Hydroptila | 200 | 1 | ||
| Athripsodes | 311 | 1 | ||
| Oecetis | 317 | 1 | ||
| Wormaldia | 210 | 2 | ||
| Cyrnus | 224 | 4 | 3 | |
| Polycentropus | 231 | 8 | 8 | 6 |
| Psychomyia | 239 | 4 | 1 | 1 |
| Rhyacophila lato-sensu | 183 | 2 | 2 | 3 |
| Baetis lato sensu | 9794 | 50 | 59 | 25 |
| Procloeon | 390 | 1 | ||
| Caenis | 457 | 1 | ||
| Ephemerella ignita | 451 | 15 | 4 | 8 |
| Ephemera | 502 | 5 | 2 | 1 |
| Ecdyonurus | 421 | 1 | 7 | |
| Epeorus | 400 | 1 | ||
| Heptageniidae | 399 | 1 | ||
| Paraleptophlebia | 481 | 1 | 3 | |
| Leptophlebiidae | 473 | 4 | 2 | 4 |
| Esolus | 619 | 4 | 3 | |
| Limnius | 623 | 1 | ||
| Oulimnius | 622 | 1 | ||
| Hydraena | 608 | 1 | ||
| Athericidae | 838 | 1 | 2 | |
| Ceratopogonidae | 819 | 1 | 2 | |
| Chironomidae | 807 | 86 | 68 | 15 |
| Empididae | 831 | 1 | 2 | |
| Pediciini | 20537 | 4 | 4 | |
| Simuliidae | 801 | 17 | 88 | 7 |
| Onychogomphus | 682 | 2 | 1 | 4 |
| Crangonyx | 5116 | 4 | ||
| Gammarus | 892 | 88 | 61 | 96 |
| Corbicula | 1051 | 3 | 1 | |
| Sphaeriidae | 1042 | 1 | ||
| Planorbidae | 1009 | 40 | 72 | 50 |
| Oligochaeta | 933 | 38 | 104 | 228 |
| Dugesia | 1056 | 1 | ||
| Nemathelmintha | 3111 | 1 | ||
| Hydracarina | 906 | 1 |