Listes faunistiques invertébrés
Le Cher à Vallon-en-Sully 04060500
- Télécharger la fiche IRSTEA xls / 34 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 18/08/2021 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 13.0 |
| GFI | 5 |
| Variété taxonomique | 31 |
| I2M2 | 0.7170 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | 49.0 | dominant |
| Litieres | ||
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 27.0 | dominant |
| Blocs | ||
| Granulats | 4.0 | marginal |
| Helophytes | 3.0 | marginal |
| Vases | 2.0 | marginal |
| Sables | 12.0 | dominant |
| Algues | 1.0 | marginal |
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Granulats | Lente | A |
| P2 | Vases | Nulle | A |
| P3 | Branchage, racines | Nulle | A |
| P4 | Helophytes | Nulle | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Hydrophytes | Moyenne | B |
| P7 | Sables | Nulle | B |
| P8 | Hydrophytes | Nulle | B |
| P9 | Pierres, galets | Lente | C |
| P10 | Hydrophytes | Lente | C |
| P11 | Hydrophytes | Nulle | C |
| P12 | Hydrophytes | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Cheumatopsyche | 221 | 16 | 4 | |
| Hydropsyche | 212 | 2 | 108 | 128 |
| Orthotrichia | 197 | 3 | 5 | |
| Athripsodes | 311 | 1 | ||
| Psychomyia | 239 | 8 | 2 | |
| Baetis lato sensu | 9794 | 52 | 624 | 1064 |
| Cloeon | 387 | 2 | ||
| Procloeon | 390 | 4 | 16 | 32 |
| Caenis | 457 | 7 | 8 | 144 |
| Ephemerella ignita | 451 | 18 | 120 | 132 |
| Heptagenia | 443 | 1 | 1 | |
| Paraleptophlebia | 481 | 1 | ||
| Leptophlebiidae | 473 | 1 | ||
| Ephoron | 496 | 1 | ||
| Potamanthus | 509 | 2 | 9 | 96 |
| Micronecta | 719 | 1 | ||
| Esolus | 619 | 248 | 76 | 208 |
| Limnius | 623 | 56 | 20 | 12 |
| Oulimnius | 622 | 104 | 96 | 184 |
| Stenelmis | 617 | 4 | ||
| Ceratopogonidae | 819 | 5 | ||
| Chironomidae | 807 | 10 | 208 | 152 |
| Ephydridae | 844 | 1 | ||
| Simuliidae | 801 | 1 | 1712 | 2996 |
| Calopteryx | 650 | 9 | ||
| Coenagrionidae | 658 | 4 | 3 | 1 |
| Platycnemis | 657 | 1 | ||
| Gammarus | 892 | 58 | 69 | 30 |
| Cladocera | 3127 | 1 | ||
| Copepoda | 3206 | 1 | ||
| Cambaridae | 2024 | 1 | ||
| Asellidae | 880 | 52 | ||
| Corbicula | 1051 | 14 | 22 | 16 |
| Pisidium | 1043 | 2 | 1 | |
| Bithynia | 994 | 4 | 2 | 1 |
| Potamopyrgus | 978 | 6 | 2 | 1 |
| Physella | 19280 | 1 | ||
| Physidae | 995 | 1 | ||
| Ancylus | 1028 | 2 | 1 | |
| Ferrissia | 1030 | 1 | ||
| Valvata | 972 | 2 | ||
| Piscicola | 919 | 1 | ||
| Oligochaeta | 933 | 273 | 256 | 264 |
| Dugesia | 1056 | 5 | 9 | 1 |
| Nemathelmintha | 3111 | 1 | ||
| Hydracarina | 906 | 1 |