Listes faunistiques invertébrés
Le Girou en amont de Verfeil 05158150
- Télécharger la fiche IRSTEA xls / 37 ko
- Export SEEE csv / 4 ko
| Date prélèvement | 23/09/2010 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 11.0 |
| GFI | 5 |
| Variété taxonomique | 21 |
| Taxon indicateur | Hydroptilidae |
| I2M2 | 0.2590 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 0.0 | marginal |
| Pierres, galets | 2.0 | marginal |
| Blocs | 0.0 | marginal |
| Granulats | 0.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 35.0 | dominant |
| Sables | 0.0 | marginal |
| Algues | 2.0 | marginal |
| Dalles, argiles | 60.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Lente | B1 |
| P2 | Pierres, galets | Nulle | B1 |
| P3 | Algues | Lente | B1 |
| P4 | Pierres, galets | Nulle | B1 |
| P5 | Dalles, argiles | Nulle | B2 |
| P6 | Vases | Nulle | B2 |
| P7 | Dalles, argiles | Lente | B2 |
| P8 | Vases | Nulle | B2 |
| P9 | Dalles, argiles | Moyenne | B3 |
| P10 | Dalles, argiles | Nulle | B3 |
| P11 | Dalles, argiles | Lente | B3 |
| P12 | Vases | Nulle | B3 |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Cheumatopsyche | 221 | 55 | 5 | 1 |
| Hydropsyche | 212 | 110 | 6 | 12 |
| Hydroptila | 200 | 3 | ||
| Athripsodes | 311 | 1 | ||
| Baetis | 364 | 39 | 7 | 33 |
| Caenis | 457 | 4 | 1 | |
| Ephemera | 502 | 1 | 1 | |
| Micronecta | 719 | 2 | ||
| Pomatinus | 611 | 1 | ||
| Elmis | 618 | 2 | ||
| Esolus | 619 | 1 | 1 | 1 |
| Hydraena | 608 | 1 | ||
| Anthomyidae | 847 | 2 | ||
| Athericidae | 838 | 1 | ||
| Chironomidae | 807 | 65 | 5 | 17 |
| Empididae | 831 | 1 | ||
| Limoniidae | 757 | 11 | 1 | 4 |
| Sciomyzidae | 845 | 1 | ||
| Simuliidae | 801 | 10 | 3 | |
| Stratiomyidae | 824 | 1 | ||
| Calopteryx | 650 | 1 | ||
| Echinogammarus | 888 | 220 | 270 | 120 |
| Corbicula | 1051 | 31 | 17 | 2 |
| Oligochaeta | 933 | 3 | 3 | 3 |