Listes faunistiques invertébrés
Droude à Brignon 06129550
- Télécharger la fiche IRSTEA xls / 122 ko
- Export SEEE csv / 4 ko
| Date prélèvement | 05/04/2023 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 13.0 |
| GFI | 7 |
| Variété taxonomique | 23 |
| I2M2 | 0.2770 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 2.0 | marginal |
| Litieres | ||
| Branchage, racines | ||
| Pierres, galets | 10.0 | dominant |
| Blocs | 49.0 | dominant |
| Granulats | ||
| Helophytes | 1.0 | marginal |
| Vases | ||
| Sables | ||
| Algues | 5.0 | dominant |
| Dalles, argiles | 32.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Nulle | A |
| P2 | Hydrophytes | Nulle | A |
| P3 | Helophytes | Nulle | A |
| P4 | Hydrophytes | Nulle | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Nulle | B |
| P7 | Algues | Nulle | B |
| P8 | Dalles, argiles | Nulle | B |
| P9 | Blocs | Lente | C |
| P10 | Blocs | Nulle | C |
| P11 | Dalles, argiles | Lente | C |
| P12 | Blocs | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Empididae | 831 | 5 | 17 | 8 |
| Pediciidae | 50011 | 1 | ||
| Zygoptera | 9785 | 3 | ||
| Copepoda | 3206 | 1 | 1 | 1 |
| Ostracoda | 3170 | 1 | ||
| Hydrozoa | 3168 | 1 | ||
| Cladocera | 3127 | 1 | 1 | |
| Nemathelmintha | 3111 | 1 | 1 | 1 |
| Colymbetinae | 2395 | 1 | ||
| Bryozoa | 1087 | 1 | 1 | 1 |
| Ancylus | 1028 | 2 | 1 | 1 |
| Oligochaeta | 933 | 28 | 4 | 23 |
| Hydracarina | 906 | 1 | ||
| Gammarus | 892 | 1 | ||
| Asellidae | 880 | 1 | 2 | |
| Nemoura | 26 | 17 | 14 | 17 |
| Ceratopogonidae | 819 | 2 | 5 | 14 |
| Chironomidae | 807 | 1860 | 1525 | 1108 |
| Simuliidae | 801 | 44 | 892 | 207 |
| Psychodidae | 783 | 1 | 1 | |
| Gerris | 735 | 1 | ||
| Micronecta | 719 | 14 | ||
| Oulimnius | 622 | 4 | 5 | 13 |
| Habrophlebia | 491 | 2 | 1 | |
| Leptophlebiidae | 473 | 4 | 2 | 3 |
| Caenis | 457 | 3 | 4 | 1 |
| Centroptilum | 383 | 1 | 1 | |
| Baetis | 364 | 1 | 3 | 2 |
| Hydroptila | 200 | 1 | ||
| Hydroptilidae | 193 | 1 |