Listes faunistiques invertébrés
- Télécharger la fiche IRSTEA xls / 89 ko
- Export SEEE csv / 3 ko
| Date prélèvement | 29/06/2016 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 8.0 |
| GFI | 3 |
| Variété taxonomique | 17 |
| Taxon indicateur | Hydropsychidae |
| I2M2 | 0.0404 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 4.0 | marginal |
| Pierres, galets | 0.0 | marginal |
| Blocs | 0.0 | marginal |
| Granulats | 0.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 93.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 2.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Dalles, argiles | Moyenne | A |
| P2 | Sables | Lente | B |
| P3 | Sables | Nulle | B |
| P4 | Branchage, racines | Lente | A |
| P5 | Sables | Lente | C |
| P6 | Branchage, racines | Nulle | A |
| P7 | Sables | Nulle | C |
| P8 | Sables | Lente | B |
| P9 | Litieres | Nulle | A |
| P10 | Sables | Nulle | C |
| P11 | Sables | Moyenne | B |
| P12 | Sables | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydropsychidae | 211 | 1 | ||
| Hydropsyche | 212 | 5 | 1 | |
| Stenophylacini-chaetopterygini | 3146 | 2 | ||
| Lype | 241 | 1 | 1 | |
| Baetis | 364 | 20 | 1 | |
| Platambus | 556 | 1 | ||
| Elmis | 618 | 1 | ||
| Hydraena | 608 | 4 | ||
| Chironomidae | 807 | 93 | 294 | 82 |
| Gerris | 735 | 5 | 1 | |
| Calopteryx | 650 | 1 | 1 | |
| Gomphus | 679 | 2 | ||
| Gammaridae | 887 | 246 | ||
| Echinogammarus | 888 | 936 | 9 | 3 |
| Potamopyrgus | 978 | 3 | 2 | |
| Corbicula | 1051 | 3 | 1 | |
| Sphaeriidae | 1042 | 1 | ||
| Pisidium | 1043 | 1 | ||
| Oligochaeta | 933 | 53 | 113 | 141 |
| Hydracarina | 906 | 3 |