Listes faunistiques invertébrés
Reyran à Fréjus 06205955
- Télécharger la fiche IRSTEA xls / 119 ko
- Export SEEE csv / 4 ko
| Date prélèvement | 25/08/2015 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 8.0 |
| GFI | 2 |
| Variété taxonomique | 22 |
| Taxon indicateur | Caenidae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | 1.0 | marginal |
| Litieres | ||
| Branchage, racines | ||
| Pierres, galets | 1.0 | marginal |
| Blocs | ||
| Granulats | ||
| Helophytes | 4.0 | marginal |
| Vases | ||
| Sables | ||
| Algues | ||
| Dalles, argiles | 94.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Hydrophytes | Lente | A |
| P2 | Pierres, galets | Lente | A |
| P3 | Helophytes | Lente | A |
| P4 | Helophytes | Nulle | A |
| P5 | Dalles, argiles | Lente | B |
| P6 | Granulats | Nulle | B |
| P7 | Dalles, argiles | Lente | B |
| P8 | Dalles, argiles | Nulle | B |
| P9 | Dalles, argiles | Lente | C |
| P10 | Dalles, argiles | Nulle | C |
| P11 | Dalles, argiles | Lente | C |
| P12 | Dalles, argiles | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Caenis | 457 | 108 | 196 | 51 |
| Naucoridae | 722 | 8 | 1 | |
| Hydroporinae | 2393 | 88 | ||
| Limnius | 623 | 1 | ||
| Oulimnius | 622 | 3 | ||
| Hydrophilinae | 2517 | 2 | ||
| Hydroscapha | 629 | 17 | 5 | 12 |
| Ceratopogonidae | 819 | 2 | ||
| Chironomidae | 807 | 11 | 5 | 4 |
| Psychodidae | 783 | 1 | ||
| Anisoptera | 9787 | 12 | 4 | 2 |
| Onychogomphus | 682 | 1 | 2 | 1 |
| Libellulidae | 696 | 30 | 26 | 22 |
| Zygoptera | 9785 | 1 | ||
| Coenagrionidae | 658 | 2 | ||
| Copepoda | 3206 | 1 | ||
| Ostracoda | 3170 | 2976 | 488 | 164 |
| Asellidae | 880 | 1 | ||
| Atyaephyra | 861 | 1 | ||
| Hydracarina | 906 | 1 | ||
| Corbicula | 1051 | 1 | ||
| Physa (sensu lato) | 997 | 7 | 2 | 1 |
| Planorbidae | 1009 | 6 | ||
| Erpobdellidae | 928 | 12 | 2 | 2 |
| Dugesiidae | 1055 | 6 | 15 | 6 |
| Hydrozoa | 3168 | 1 | ||
| Prostoma | 3110 | 4 | 7 | 1 |