Listes faunistiques invertébrés
- Télécharger la fiche IRSTEA xls / 2211 ko
- Export SEEE csv / 3 ko
| Date prélèvement | 20/08/2014 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 11.0 |
| GFI | 6 |
| Variété taxonomique | 18 |
| Taxon indicateur | Ephemeridae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 3.0 | marginal |
| Branchage, racines | 4.0 | marginal |
| Pierres, galets | 0.0 | marginal |
| Blocs | 0.0 | marginal |
| Granulats | 20.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 71.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 2.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Dalles, argiles | Nulle | A |
| P4 | Branchage, racines | Lente | A |
| P5 | Granulats | Lente | B |
| P6 | Sables | Nulle | B |
| P7 | Sables | Nulle | B |
| P8 | Sables | Nulle | B |
| P9 | Sables | Nulle | C |
| P10 | Sables | Nulle | C |
| P11 | Sables | Nulle | C |
| P12 | Sables | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Ephemera | 502 | 3 | 9 | 1 |
| Rhyacophila lato-sensu | 183 | 1 | ||
| Baetis | 364 | 5 | ||
| Centroptilum | 383 | 1 | ||
| Echinogammarus | 888 | 769 | 98 | 56 |
| Gammarus | 892 | 50 | 26 | 13 |
| Potamopyrgus | 978 | 2 | 3 | |
| Chironomidae | 807 | 27 | 68 | 65 |
| Glossiphoniidae | 908 | 1 | 1 | |
| Oligochaeta | 933 | 33 | 84 | 59 |
| Athericidae | 838 | 3 | ||
| Cladocera | 3127 | 1 | ||
| Cordulegaster | 687 | 3 | 2 | |
| Gomphus | 679 | 1 | ||
| Hydracarina | 906 | 1 | ||
| Limoniidae | 757 | 1 | 1 | 1 |
| Niphargus | 902 | 1 | ||
| Helodes | 636 | 1 | ||
| Sialis | 704 | 2 | 3 | |
| Simuliidae | 801 | 6 | 2 | 1 |
| Tabanidae | 837 | 1 | 1 | 5 |