Listes faunistiques invertébrés
L'Arn au Pont de l'Arn 05137000
- Télécharger la fiche IRSTEA xls / 36 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 22/08/2017 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 14.0 |
| GFI | 7 |
| Variété taxonomique | 28 |
| Taxon indicateur | Leuctridae |
| I2M2 | 0.7074 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 2.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 22.0 | dominant |
| Blocs | 30.0 | dominant |
| Granulats | 3.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 2.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 39.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Lente | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Granulats | Lente | A |
| P4 | Helophytes | 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 | Pierres, galets | Lente | C |
| P12 | Blocs | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra geniculata | 33830 | 1 | ||
| Leuctra | 69 | 5 | 7 | 8 |
| Nemoura | 26 | 1 | ||
| Protonemura | 46 | 1 | 2 | |
| Micrasema | 268 | 2 | ||
| Silo | 292 | 1 | ||
| Hydropsyche | 212 | 1 | 2 | |
| Hydroptila | 200 | 2 | 4 | 1 |
| Oxyethira | 199 | 1 | 1 | |
| Adicella | 320 | 1 | ||
| Mystacides | 312 | 3 | ||
| Oecetis | 317 | 1 | ||
| Polycentropus | 231 | 3 | 4 | |
| Psychomyia | 239 | 2 | ||
| Rhyacophila lato-sensu | 183 | 1 | 3 | |
| Baetis lato sensu | 9794 | 11 | 32 | 3 |
| Centroptilum | 383 | 2 | ||
| Baetidae | 363 | 1 | ||
| Caenis | 457 | 1 | ||
| Ephemerella ignita | 451 | 1 | ||
| Ecdyonurus | 421 | 4 | 1 | |
| Epeorus | 400 | 7 | 1 | |
| Rhithrogena | 404 | 1 | ||
| Heptageniidae | 399 | 3 | ||
| Paraleptophlebia | 481 | 1 | 1 | |
| Leptophlebiidae | 473 | 2 | 1 | 4 |
| Dryops | 613 | 1 | ||
| Pomatinus substriatus | 33844 | 2 | ||
| Limnius | 623 | 1 | ||
| Athericidae | 838 | 2 | ||
| Chironomidae | 807 | 44 | 44 | 84 |
| Empididae | 831 | 1 | 1 | 1 |
| Limoniidae | 757 | 5 | 2 | |
| Psychodidae | 783 | 1 | ||
| Simuliidae | 801 | 1 | ||
| Tabanidae | 837 | 1 | ||
| Calopteryx | 650 | 1 | ||
| Platycnemis | 657 | 1 | ||
| Copepoda | 3206 | 1 | 1 | |
| Pacifastacus | 872 | 1 | ||
| Ancylus | 1028 | 2 | 2 | |
| Potamopyrgus | 978 | 1 | ||
| Planorbidae | 1009 | 1 | ||
| Oligochaeta | 933 | 40 | 5 | 6 |
| Nemathelmintha | 3111 | 1 | ||
| Hydra | 1077 | 1 |