Listes faunistiques invertébrés
L'Oudan à Roanne 04014096
- Télécharger la fiche IRSTEA xls / 26 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 10/06/2015 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 13.0 |
| GFI | 5 |
| Variété taxonomique | 32 |
| I2M2 | 0.3521 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 32.0 | dominant |
| Blocs | 11.0 | dominant |
| Granulats | 0.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 2.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 52.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Branchage, racines | Nulle | A |
| P2 | Litieres | Nulle | A |
| P3 | Sables | Nulle | A |
| P4 | Pierres, galets | Nulle | C |
| P5 | Pierres, galets | Lente | B |
| P6 | Pierres, galets | Moyenne | C |
| P7 | Blocs | Lente | B |
| P8 | Dalles, argiles | Nulle | C |
| P9 | Dalles, argiles | Lente | B |
| P10 | Dalles, argiles | Moyenne | B |
| P11 | Dalles, argiles | Lente | C |
| P12 | Helophytes | Nulle | A |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 1 | ||
| Hydropsychidae | 211 | 56 | 1 | 15 |
| Hydropsyche | 212 | 8 | 1 | |
| Hydroptila | 200 | 4 | 2 | 1 |
| Mystacides | 312 | 1 | 1 | 1 |
| Tinodes | 245 | 16 | 8 | |
| Rhyacophila lato-sensu | 183 | 19 | ||
| Baetis | 364 | 42 | 37 | 37 |
| Caenis | 457 | 2 | ||
| Ephemerella ignita | 451 | 10 | 2 | 5 |
| Helophorus | 604 | 7 | 1 | |
| Laccobius | 581 | 1 | ||
| Chironomidae | 807 | 840 | 64 | 165 |
| Dixa | 794 | 1 | ||
| Ephydridae | 844 | 5 | ||
| Simuliidae | 801 | 4 | 1 | 9 |
| Gerris | 735 | 2 | ||
| Calopteryx | 650 | 1 | ||
| Sisyra | 856 | 5 | ||
| Copepoda | 3206 | 3 | ||
| Pacifastacus | 872 | 2 | ||
| Asellidae | 880 | 50 | 23 | 33 |
| Gammaridae | 887 | 71 | 3 | |
| Gammarus | 892 | 109 | 1 | 5 |
| Ancylus | 1028 | 7 | 17 | 18 |
| Potamopyrgus | 978 | 4 | 1 | |
| Radix | 1004 | 9 | 2 | |
| Physa (sensu lato) | 997 | 4 | ||
| Physella | 19280 | 4 | 1 | |
| Sphaeriidae | 1042 | 1 | ||
| Sphaerium | 1044 | 3 | ||
| Dugesiidae | 1055 | 55 | ||
| Erpobdellidae | 928 | 4 | 2 | 1 |
| Helobdella | 912 | 3 | 1 | |
| Oligochaeta | 933 | 31 | 7 | 45 |
| Hydrozoa | 3168 | 3 | 3 | 3 |
| Nematoda | 1089 | 3 | 3 | |
| Hydracarina | 906 | 3 | 3 |