Listes faunistiques invertébrés
Le Bedat à Saint-Laure 04034650
- Télécharger la fiche IRSTEA xls / 101 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 21/08/2018 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 14.0 |
| GFI | 5 |
| Variété taxonomique | 34 |
| I2M2 | 0.2427 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 10.0 | dominant |
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 23.0 | dominant |
| Blocs | 3.0 | marginal |
| Granulats | 3.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 33.0 | dominant |
| Algues | 22.0 | dominant |
| Dalles, argiles | 4.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Branchage, racines | Nulle | A |
| P2 | Blocs | Lente | A |
| P3 | Granulats | Moyenne | A |
| P4 | Litieres | Nulle | A |
| P5 | Hydrophytes | Moyenne | B |
| P6 | Pierres, galets | Moyenne | B |
| P7 | Sables | Lente | B |
| P8 | Algues | Moyenne | B |
| P9 | Sables | Nulle | C |
| P10 | Sables | Lente | C |
| P11 | Algues | Lente | C |
| P12 | Pierres, galets | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Sphaeriidae | 1042 | 2 | ||
| Helobdella | 912 | 26 | 1 | |
| Hemiclepsis | 914 | 2 | ||
| Erpobdellidae | 928 | 26 | 20 | |
| Oligochaeta | 933 | 337 | 20 | 281 |
| Potamopyrgus | 978 | 37 | 16 | 61 |
| Physidae | 995 | 1 | ||
| Radix | 1004 | 2 | ||
| Ancylus | 1028 | 3 | 2 | 5 |
| Acroloxus | 1033 | 1 | ||
| Glossiphonia | 909 | 2 | 1 | 2 |
| Corbicula | 1051 | 4 | 2 | |
| Dendrocoelum lacteum | 1074 | 1 | ||
| Hydra | 1077 | 2 | ||
| Hydrophilinae | 2517 | 1 | ||
| Mermithoïdea | 3159 | 9 | 60 | 88 |
| Ostracoda | 3170 | 1 | 1 | 1 |
| Clinocerinae | 9813 | 2 | ||
| Hexatomini | 20358 | 2 | ||
| Pomatinus substriatus | 33844 | 1 | ||
| Onychogomphus | 682 | 1 | ||
| Hydropsyche | 212 | 15 | 122 | |
| Psychomyia | 239 | 1 | 2 | |
| Micrasema | 268 | 1 | 1 | |
| Goeridae | 286 | 1 | ||
| Baetis | 364 | 244 | 248 | 5 |
| Haliplus | 518 | 1 | ||
| Platambus | 556 | 1 | ||
| Calopteryx | 650 | 2 | 1 | |
| Gomphidae | 678 | 1 | ||
| Hydroptila | 200 | 10 | 23 | 18 |
| Psychodidae | 783 | 4 | ||
| Simuliidae | 801 | 1296 | ||
| Chironomidae | 807 | 1088 | 1314 | 1347 |
| Ceratopogonidae | 819 | 2 | 1 | |
| Anthomyidae | 847 | 3 | 1 | |
| Asellidae | 880 | 1040 | 9 | 28 |
| Gammarus | 892 | 1 | ||
| Hydracarina | 906 | 9 | 8 | 7 |