Listes faunistiques invertébrés
Fresquel à Alzonne 06178042
- Télécharger la fiche IRSTEA xls / 643 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 01/08/2018 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 11.0 |
| GFI | 5 |
| Variété taxonomique | 23 |
| Taxon indicateur | Hydroptilidae |
| I2M2 | 0.2746 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 1.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 3.0 | marginal |
| Pierres, galets | 72.0 | dominant |
| Blocs | 2.0 | marginal |
| Granulats | 8.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 10.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 3.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Pierres, galets | Lente | B |
| P2 | Pierres, galets | Rapide | C |
| P3 | Blocs | Moyenne | A |
| P4 | Pierres, galets | Moyenne | B |
| P5 | Pierres, galets | Lente | C |
| P6 | Granulats | Lente | B |
| P7 | Litieres | Nulle | A |
| P8 | Pierres, galets | Moyenne | C |
| P9 | Branchage, racines | Lente | A |
| P10 | Pierres, galets | Nulle | C |
| P11 | Sables | Lente | B |
| P12 | Hydrophytes | Nulle | A |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Cheumatopsyche | 221 | 208 | 2 | 67 |
| Hydropsyche | 212 | 55 | 1 | |
| Hydroptila | 200 | 4 | ||
| Orthotrichia | 197 | 1 | ||
| Athripsodes | 311 | 1 | 1 | |
| Mystacides | 312 | 1 | ||
| Baetis | 364 | 24 | 1 | 3 |
| Caenis | 457 | 55 | 6 | 14 |
| Ephemerella ignita | 451 | 1 | ||
| Ephemera | 502 | 1 | ||
| Ephoron | 496 | 3 | ||
| Esolus | 619 | 1 | ||
| Oulimnius | 622 | 2 | ||
| Stenelmis | 617 | 2 | 1 | |
| Chironomidae | 807 | 325 | 29 | |
| Simuliidae | 801 | 1 | ||
| Aphelocheirus | 721 | 1 | 1 | 2 |
| Micronecta | 719 | 3 | ||
| Calopteryx | 650 | 3 | ||
| Coenagrionidae | 658 | 1 | ||
| Gomphus | 679 | 1 | ||
| Onychogomphus | 682 | 1 | ||
| Echinogammarus | 888 | 835 | 137 | 207 |
| Potamopyrgus | 978 | 1 | ||
| Corbicula | 1051 | 2 | 1 | |
| Dugesiidae | 1055 | 16 | 1 | 5 |
| Erpobdellidae | 928 | 1 | 1 | |
| Piscicola | 919 | 8 | ||
| Oligochaeta | 933 | 436 | 12 | 99 |
| Hydracarina | 906 | 3 |