Listes faunistiques invertébrés
L'Arn au Pont de l'Arn 05137000
- Télécharger la fiche IRSTEA xls / 107 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 31/07/2018 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 15.0 |
| GFI | 8 |
| Variété taxonomique | 28 |
| Taxon indicateur | Brachycentridae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 23.0 | dominant |
| Blocs | 32.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 1.0 | marginal |
| Algues | 1.0 | marginal |
| Dalles, argiles | 40.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Granulats | Lente | A |
| P4 | Sables | Nulle | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Moyenne | B |
| P7 | Dalles, argiles | Moyenne | B |
| P8 | Dalles, argiles | Lente | B |
| P9 | Blocs | Lente | C |
| P10 | Dalles, argiles | Nulle | C |
| P11 | Blocs | Nulle | C |
| P12 | Pierres, galets | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra geniculata | 33830 | 3 | ||
| Leuctra | 69 | 4 | 12 | 28 |
| Nemoura | 26 | 1 | 1 | |
| Protonemura | 46 | 1 | ||
| Micrasema | 268 | 6 | 7 | |
| Hydropsyche | 212 | 1 | ||
| Hydroptila | 200 | 12 | ||
| Oxyethira | 199 | 1 | ||
| Mystacides | 312 | 3 | ||
| Oecetis | 317 | 2 | ||
| Polycentropodidae | 223 | 2 | ||
| Tinodes | 245 | 2 | ||
| Rhyacophila lato-sensu | 183 | 6 | ||
| Baetis lato sensu | 9794 | 6 | 35 | 2 |
| Centroptilum | 383 | 1 | 1 | |
| Baetidae | 363 | 1 | 1 | |
| Caenis | 457 | 4 | 3 | |
| Ephemerella ignita | 451 | 4 | 2 | |
| Habrophlebia | 491 | 2 | ||
| Leptophlebiidae | 473 | 1 | ||
| Dryops | 613 | 1 | ||
| Elmis | 618 | 2 | ||
| Esolus | 619 | 2 | 2 | 2 |
| Limnius | 623 | 1 | ||
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 168 | 144 | 69 |
| Empididae | 831 | 7 | 17 | |
| Limoniidae | 757 | 1 | 46 | |
| Psychodidae | 783 | 1 | ||
| Simuliidae | 801 | 1 | ||
| Scatophagidae | 846 | 1 | ||
| Tipulidae | 753 | 2 | ||
| Calopteryx | 650 | 6 | ||
| Gammarus | 892 | 2 | 1 | |
| Copepoda | 3206 | 3 | ||
| Ostracoda | 3170 | 3 | ||
| Pacifastacus | 872 | 1 | ||
| Sphaeriidae | 1042 | 1 | ||
| Ancylus | 1028 | 17 | 4 | 13 |
| Bithynia | 994 | 1 | ||
| Planorbidae | 1009 | 2 | ||
| Oligochaeta | 933 | 116 | 40 | 3 |
| Mermithoïdea | 3159 | 3 | 3 |