Listes faunistiques invertébrés
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| Date prélèvement | 16/06/2021 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 12.0 |
| GFI | 5 |
| Variété taxonomique | 28 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | 1.0 | marginal |
| Litieres | ||
| Branchage, racines | 3.0 | marginal |
| Pierres, galets | 31.0 | dominant |
| Blocs | 1.0 | marginal |
| Granulats | 15.0 | dominant |
| Helophytes | 1.0 | marginal |
| Vases | 1.0 | marginal |
| Sables | 5.0 | dominant |
| Algues | 25.0 | dominant |
| Dalles, argiles | 17.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Hydrophytes | Nulle | A |
| P2 | Branchage, racines | Lente | A |
| P3 | Blocs | Lente | A |
| P4 | Helophytes | Nulle | A |
| P5 | Pierres, galets | Nulle | B |
| P6 | Granulats | Nulle | B |
| P7 | Sables | Nulle | B |
| P8 | Algues | Nulle | B |
| P9 | Dalles, argiles | Nulle | C |
| P10 | Pierres, galets | Lente | C |
| P11 | Algues | Lente | C |
| P12 | Pierres, galets | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydroptilidae | 193 | 2 | ||
| Hydroptila | 200 | 14 | 16 | 17 |
| Cyrnus | 224 | 1 | ||
| Tinodes | 245 | 1 | ||
| Baetis | 364 | 1 | 13 | |
| Caenis | 457 | 9 | 14 | 6 |
| Ephemera | 502 | 1 | ||
| Gerris | 735 | 4 | ||
| Elmis | 618 | 2 | 6 | |
| Esolus | 619 | 4 | ||
| Normandia | 624 | 1 | ||
| Riolus | 625 | 1 | 2 | |
| Stenelmis | 617 | 5 | ||
| Ochthebius | 609 | 1 | ||
| Chironomidae | 807 | 77 | 590 | 36 |
| Simuliidae | 801 | 132 | 3 | |
| Calopteryx | 650 | 5 | ||
| Coenagrionidae | 658 | 1 | ||
| Gammarus | 892 | 2695 | 360 | 3151 |
| Asellidae | 880 | 40 | 234 | 30 |
| Orconectes | 870 | 1 | 1 | |
| Cladocera | 3127 | 1 | 1 | 1 |
| Copepoda | 3206 | 1 | 1 | 1 |
| Ostracoda | 3170 | 1 | 1 | 1 |
| Corbicula | 1051 | 1 | ||
| Pisidium | 1043 | 1 | ||
| Bithynia | 994 | 18 | 14 | |
| Potamopyrgus | 978 | 933 | 1100 | 294 |
| Physella | 19280 | 22 | ||
| Ancylus | 1028 | 9 | 1 | |
| Ferrissia | 1030 | 5 | ||
| Erpobdellidae | 928 | 1 | ||
| Glossiphoniidae | 908 | 1 | ||
| Dugesiidae | 1055 | 9 | 8 | 13 |
| Planariidae | 1061 | 1 | ||
| Oligochaeta | 933 | 3 | 290 | 6 |
| Hydracarina | 906 | 1 |