Listes faunistiques invertébrés
Le Gensat à Saint-Beauzire 04034400
- Télécharger la fiche IRSTEA xls / 26 ko
- Export SEEE csv / 3 ko
| Date prélèvement | 23/06/2014 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 6.0 |
| GFI | 2 |
| Variété taxonomique | 16 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 22.0 | dominant |
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 2.0 | marginal |
| Blocs | 0.0 | marginal |
| Granulats | 35.0 | dominant |
| Helophytes | 3.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 34.0 | dominant |
| Algues | 1.0 | marginal |
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Hydrophytes | Lente | B |
| P2 | Granulats | Nulle | B |
| P3 | Granulats | Lente | B |
| P4 | Sables | Nulle | C |
| P5 | Sables | Lente | B |
| P6 | Branchage, racines | Nulle | A |
| P7 | Litieres | Nulle | A |
| P8 | Helophytes | Nulle | A |
| P9 | Hydrophytes | Nulle | C |
| P10 | Sables | Lente | C |
| P11 | Granulats | Lente | C |
| P12 | Pierres, galets | Lente | A |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydroptila | 200 | 2 | 1 | |
| Baetis | 364 | 34 | 40 | 9 |
| Ephemerella ignita | 451 | 4 | 1 | |
| Helophorus | 604 | 1 | ||
| Chironomidae | 807 | 78 | 165 | 29 |
| Ephydridae | 844 | 2 | ||
| Simuliidae | 801 | 6 | 1 | |
| Asellidae | 880 | 135 | 1 | 17 |
| Gammaridae | 887 | 1 | 1 | |
| Ancylus | 1028 | 1 | ||
| Potamopyrgus | 978 | 257 | 162 | 330 |
| Physella | 19280 | 1 | ||
| Sphaeriidae | 1042 | 12 | 1 | |
| Pisidium | 1043 | 7 | ||
| Turbellaria | 3326 | 2 | ||
| Dendrocoelum | 1072 | 2 | ||
| Dugesiidae | 1055 | 1 | ||
| Polycelis | 1064 | 7 | ||
| Glossiphoniidae | 908 | 2 | ||
| Oligochaeta | 933 | 12 | 6 | 9 |
| Hydracarina | 906 | 3 | 3 | 3 |