Listes faunistiques invertébrés
- Télécharger la fiche IRSTEA xls / 2201 ko
- Export SEEE csv / 4 ko
| Date prélèvement | 18/07/2016 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 9.0 |
| GFI | 4 |
| Variété taxonomique | 20 |
| Taxon indicateur | Polycentropodidae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | 3.0 | marginal |
| Branchage, racines | 15.0 | dominant |
| Pierres, galets | 1.0 | marginal |
| Blocs | 1.0 | marginal |
| Granulats | 28.0 | dominant |
| Helophytes | ||
| Vases | 9.0 | dominant |
| Sables | 42.0 | dominant |
| Algues | ||
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Pierres, galets | Lente | A |
| P3 | Blocs | Lente | A |
| P4 | Dalles, argiles | Nulle | A |
| P5 | Branchage, racines | Lente | B |
| P6 | Granulats | Lente | B |
| P7 | Vases | Nulle | B |
| P8 | Sables | Nulle | B |
| P9 | Sables | Lente | C |
| P10 | Sables | Nulle | C |
| P11 | Granulats | Nulle | C |
| P12 | Sables | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydropsyche | 212 | 28 | 57 | 20 |
| Mystacides | 312 | 1 | ||
| Polycentropodidae | 223 | 2 | 2 | |
| Cyrnus | 224 | 5 | 4 | 1 |
| Centroptilum | 383 | 3 | ||
| Ephemera | 502 | 1 | ||
| Gerris | 735 | 3 | 1 | |
| Riolus | 625 | 1 | ||
| Athericidae | 838 | 1 | ||
| Chironomidae | 807 | 115 | 23 | 41 |
| Dixidae | 793 | 2 | ||
| Empididae | 831 | 1 | ||
| Limoniidae | 757 | 2 | 2 | |
| Tabanidae | 837 | 1 | 1 | |
| Gomphidae | 678 | 2 | ||
| Platycnemis | 657 | 1 | ||
| Sialis | 704 | 3 | ||
| Gammaridae | 887 | 6 | 44 | |
| Gammarus | 892 | 20 | 494 | 27 |
| Corbicula | 1051 | 2 | 8 | |
| Sphaeriidae | 1042 | 1 | ||
| Pisidium | 1043 | 1 | 1 | |
| Potamopyrgus | 978 | 9 | 3 | 4 |
| Oligochaeta | 933 | 110 | 14 | 24 |
| Hydracarina | 906 | 1 | 1 | 2 |