Listes faunistiques invertébrés
L'Arn au Pont de l'Arn 05137000
- Télécharger la fiche IRSTEA xls / 108 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 28/07/2020 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 15.0 |
| GFI | 8 |
| Variété taxonomique | 28 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 18.0 | dominant |
| Blocs | 22.0 | dominant |
| Granulats | 7.0 | dominant |
| Helophytes | ||
| Vases | ||
| Sables | 3.0 | marginal |
| Algues | 4.0 | marginal |
| Dalles, argiles | 42.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Lente | A |
| P4 | Sables | Nulle | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Moyenne | B |
| P7 | Granulats | Lente | B |
| P8 | Dalles, argiles | Moyenne | B |
| P9 | Dalles, argiles | Lente | C |
| P10 | Dalles, argiles | Rapide | C |
| P11 | Blocs | Lente | C |
| P12 | Dalles, argiles | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Ecdyonurus | 421 | 1 | ||
| Polycentropodidae | 223 | 1 | ||
| Heptagenia | 443 | 1 | ||
| Epeorus | 400 | 2 | ||
| Limoniidae | 757 | 14 | ||
| Elmis | 618 | 6 | ||
| Philopotamus | 209 | 1 | ||
| Cladocera | 3127 | 1 | ||
| Ceratopogonidae | 819 | 1 | ||
| Hydroptila | 200 | 11 | 43 | |
| Esolus | 619 | 2 | 2 | |
| Mermithoïdea | 3159 | 1 | 1 | |
| Protonemura | 46 | 1 | 21 | |
| Hydropsyche | 212 | 2 | 2 | |
| Athericidae | 838 | 1 | ||
| Rhyacophila lato-sensu | 183 | 3 | 7 | |
| Polycentropus | 231 | 2 | ||
| Heptageniidae | 399 | 2 | 1 | |
| Ephemerella ignita | 451 | 1 | 9 | |
| Sphaeriidae | 1042 | 1 | ||
| Ancylus | 1028 | 1 | 4 | 7 |
| Oecetis | 317 | 1 | ||
| Micrasema | 268 | 1 | 3 | 17 |
| Mystacides | 312 | 4 | ||
| Oxyethira | 199 | 2 | 2 | |
| Leuctra geniculata | 33830 | 1 | 1 | |
| Leuctra | 69 | 5 | 50 | 2 |
| Nemoura | 26 | 1 | 1 | 1 |
| Hydracarina | 906 | 1 | 1 | |
| Copepoda | 3206 | 1 | ||
| Oligochaeta | 933 | 7 | 28 | 9 |
| Gammarus | 892 | 4 | 3 | 9 |
| Pacifastacus | 872 | 1 | ||
| Baetis lato sensu | 9794 | 2 | 68 | 208 |
| Leptophlebiidae | 473 | 1 | 1 | |
| Caenis | 457 | 2 | ||
| Platambus | 556 | 1 | ||
| Calopteryx | 650 | 1 | ||
| Tipulidae | 753 | 1 | ||
| Empididae | 831 | 10 | 5 | 18 |
| Chironomidae | 807 | 17 | 44 | 188 |
| Simuliidae | 801 | 1 | 2 | 2 |