Listes faunistiques invertébrés
BRAS DU LAC A BRION 06086000
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| Date prélèvement | 14/07/2020 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 15.0 |
| GFI | 7 |
| Variété taxonomique | 32 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 43.0 | dominant |
| Hydrophytes | 40.0 | dominant |
| Litieres | ||
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 10.0 | dominant |
| Blocs | 1.0 | marginal |
| Granulats | 2.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | ||
| Sables | 1.0 | marginal |
| Algues | ||
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Branchage, racines | Nulle | A |
| P2 | Blocs | Lente | A |
| P3 | Granulats | Lente | A |
| P4 | Helophytes | Nulle | A |
| P5 | Bryophytes | Lente | B |
| P6 | Hydrophytes | Lente | B |
| P7 | Pierres, galets | Lente | B |
| P8 | Bryophytes | Nulle | B |
| P9 | Bryophytes | Lente | C |
| P10 | Bryophytes | Nulle | C |
| P11 | Hydrophytes | Nulle | C |
| P12 | Hydrophytes | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Acroloxus | 1033 | 3 | 1 | 3 |
| Asellidae | 880 | 1 | ||
| Athericidae | 838 | 5 | 3 | |
| Athripsodes | 311 | 5 | ||
| Baetis lato sensu | 9794 | 4 | 18 | 14 |
| Bithynia | 994 | 2 | 2 | |
| Calopteryx | 650 | 14 | 1 | |
| Centroptilum | 383 | 4 | 1 | |
| Chironomidae | 807 | 800 | 5 | |
| Cladocera | 3127 | 1 | ||
| Dreissena | 1046 | 5 | 7 | |
| Dugesia | 1056 | 4 | 44 | 6 |
| Elmis | 618 | 30 | 98 | 133 |
| Ephemerella ignita | 451 | 1 | 3 | 4 |
| Erpobdellidae | 928 | 2 | ||
| Gammarus | 892 | 2976 | 3481 | 1485 |
| Glossiphoniidae | 908 | 5 | 1 | |
| Hydracarina | 906 | 1 | 1 | 1 |
| Hydropsyche | 212 | 6 | 14 | 19 |
| Hydroptila | 200 | 1 | 5 | |
| Leuctra geniculata | 33830 | 3 | 9 | |
| Leuctridae | 66 | 2 | ||
| Limnius | 623 | 13 | 4 | |
| Mermithoïdea | 3159 | 1 | ||
| Mystacides | 312 | 9 | ||
| Neureclipsis | 236 | 16 | 8 | 1 |
| Oecetis | 317 | 1 | ||
| Oligochaeta | 933 | 44 | 1 | |
| Onychogomphus | 682 | 1 | ||
| Ostracoda | 3170 | 1 | ||
| Oulimnius | 622 | 37 | 5 | 7 |
| Pacifastacus | 872 | 1 | ||
| Physa (sensu lato) | 997 | 1 | 2 | 5 |
| Physella | 19280 | 4 | ||
| Pisidium | 1043 | 383 | 19 | 1 |
| Planorbidae | 1009 | 5 | 1 | 6 |
| Platycnemis | 657 | 10 | 3 | |
| Polycelis | 1064 | 1 | ||
| Polycentropodidae | 223 | 3 | 3 | |
| Polycentropus | 231 | 16 | 8 | |
| Radix | 1004 | 1 | 4 | |
| Riolus | 625 | 1 | ||
| Sialis | 704 | 1 | ||
| Simuliidae | 801 | 66 | 492 | 250 |
| Valvata | 972 | 1 |