Listes faunistiques invertébrés
- Télécharger la fiche IRSTEA xls / 618 ko
- Export SEEE csv / 4 ko
| Date prélèvement | 23/05/2023 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 12.0 |
| GFI | 7 |
| Variété taxonomique | 20 |
| I2M2 | 0.6535 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 3.0 | marginal |
| Hydrophytes | 1.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 18.0 | dominant |
| Blocs | 5.0 | dominant |
| Granulats | 7.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 1.0 | marginal |
| Algues | 2.0 | marginal |
| Dalles, argiles | 60.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Lente | A |
| P2 | Hydrophytes | Lente | A |
| P3 | Litieres | Nulle | A |
| P4 | Branchage, racines | Lente | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Blocs | Lente | B |
| P7 | Granulats | Lente | B |
| P8 | Dalles, argiles | Lente | B |
| P9 | Dalles, argiles | Nulle | C |
| P10 | Dalles, argiles | Moyenne | C |
| P11 | Dalles, argiles | Lente | C |
| P12 | Dalles, argiles | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Asellidae | 880 | 4 | 1 | |
| Pediciini | 20537 | 1 | ||
| Physella | 19280 | 220 | 203 | 33 |
| Serratella | 5152 | 87 | 74 | 20 |
| Ostracoda | 3170 | 1 | ||
| Chalcolestes | 2611 | 9 | 4 | |
| Hydroporinae | 2393 | 1 | 4 | |
| Pisidium | 1043 | 1 | ||
| Ancylus | 1028 | 2 | ||
| Bythinella | 992 | 1 | 2 | |
| Oligochaeta | 933 | 4 | ||
| Erpobdellidae | 928 | 1 | ||
| Hydracarina | 906 | 2 | 1 | |
| Gammarus | 892 | 10 | 1 | |
| Leptophlebiidae | 473 | 8 | 4 | |
| Chironomidae | 807 | 337 | 41 | 130 |
| Simuliidae | 801 | 1 | ||
| Dixidae | 793 | 1 | 2 | 1 |
| Velia | 745 | 1 | ||
| Gerridae | 734 | 1 | ||
| Riolus | 625 | 2 | 3 | 1 |
| Limnius | 623 | 4 | ||
| Oulimnius | 622 | 4 | ||
| Esolus | 619 | 13 | ||
| Elmis | 618 | 5 | ||
| Helophorus | 604 | 1 | ||
| Habrophlebia | 491 | 2 | 6 |