Listes faunistiques invertébrés
Rivals (ruisseau De) à Montreal 06177755
- Télécharger la fiche IRSTEA xls / 89 ko
- Export SEEE csv / 2 ko
| Date prélèvement | 05/07/2016 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 6.0 |
| GFI | 2 |
| Variété taxonomique | 13 |
| Taxon indicateur | Gammaridae |
| 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 | 95.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 0.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Branchage, racines | Lente | A |
| P2 | Sables | Lente | B |
| P3 | Sables | Nulle | C |
| P4 | Sables | Nulle | B |
| P5 | Sables | Lente | B |
| P6 | Litieres | Nulle | A |
| P7 | Sables | Nulle | B |
| P8 | Sables | Lente | C |
| P9 | Branchage, racines | Nulle | A |
| P10 | Litieres | Nulle | A |
| P11 | Sables | Lente | C |
| P12 | Sables | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydropsyche | 212 | 2 | ||
| Caenis | 457 | 2 | ||
| Ephemera | 502 | 1 | 1 | |
| Ceratopogonidae | 819 | 5 | 12 | |
| Chironomidae | 807 | 343 | 84 | 61 |
| Limoniidae | 757 | 2 | 2 | |
| Boyeria | 670 | 2 | ||
| Platycnemis | 657 | 1 | ||
| Copepoda | 3206 | 3 | ||
| Ostracoda | 3170 | 3 | ||
| Gammaridae | 887 | 4 | 2 | 1 |
| Echinogammarus | 888 | 231 | 1 | 17 |
| Potamopyrgus | 978 | 2 | 1 | |
| Sphaeriidae | 1042 | 2 | 1 | 1 |
| Oligochaeta | 933 | 13 | 78 | 33 |
| Nematoda | 1089 | 3 |