Listes faunistiques invertébrés
Le Girou en amont de Verfeil 05158150
- Télécharger la fiche IRSTEA xls / 57 ko
- Export SEEE csv / 3 ko
| Date prélèvement | 22/08/2007 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 9.0 |
| GFI | 4 |
| Variété taxonomique | 17 |
| I2M2 | 0.3270 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 0.0 | marginal |
| Pierres, galets | 0.0 | marginal |
| Blocs | 0.0 | marginal |
| Granulats | 0.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 37.0 | dominant |
| Sables | 0.0 | marginal |
| Algues | 2.0 | marginal |
| Dalles, argiles | 60.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Lente | B1 |
| P2 | Algues | Lente | B1 |
| P3 | Algues | Lente | B1 |
| P4 | Algues | Nulle | B1 |
| P5 | Vases | Lente | B2 |
| P6 | Vases | Lente | B2 |
| P7 | Dalles, argiles | Lente | B2 |
| P8 | Dalles, argiles | Nulle | B2 |
| P9 | Vases | Lente | B3 |
| P10 | Dalles, argiles | Lente | B3 |
| P11 | Dalles, argiles | Lente | B3 |
| P12 | Dalles, argiles | Lente | B3 |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Cheumatopsyche | 221 | 2 | 84 | 40 |
| Hydropsyche | 212 | 92 | 110 | |
| Hydroptila | 200 | 1 | ||
| Polycentropus | 231 | 2 | 1 | |
| Psychomyia | 239 | 5 | 7 | |
| Baetis | 364 | 6 | 2 | 3 |
| Ephemerella | 450 | 1 | 4 | |
| Ephoron | 496 | 2 | ||
| Aphelocheirus | 721 | 1 | ||
| Esolus | 619 | 3 | ||
| Oulimnius | 622 | 2 | 2 | |
| Orectochilus | 515 | 1 | ||
| Chironomidae | 807 | 56 | 24 | 33 |
| Tipulidae | 753 | 1 | ||
| Calopteryx | 650 | 1 | ||
| Gammarus | 892 | 6 | ||
| Asellidae | 880 | 5 | 5 | 7 |
| Ancylus | 1028 | 1 | ||
| Physa (sensu lato) | 997 | 2 | 2 | 1 |