Listes faunistiques invertébrés
L'Arn au Pont de l'Arn 05137000
- Télécharger la fiche IRSTEA xls / 79 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 06/08/2013 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 16.0 |
| GFI | 8 |
| Variété taxonomique | 29 |
| Taxon indicateur | Brachycentridae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 30.0 | dominant |
| Blocs | 20.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | ||
| Vases | ||
| Sables | 1.0 | marginal |
| Algues | 5.0 | dominant |
| Dalles, argiles | 40.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Lente | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Nulle | A |
| P4 | Granulats | Nulle | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Blocs | Lente | B |
| P7 | Algues | Moyenne | B |
| P8 | Dalles, argiles | Lente | B |
| P9 | Pierres, galets | Moyenne | C |
| P10 | Pierres, galets | Nulle | C |
| P11 | Dalles, argiles | Moyenne | C |
| P12 | Dalles, argiles | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 4 | 4 | 1 |
| Nemoura | 26 | 1 | 1 | |
| Protonemura | 46 | 2 | 1 | |
| Micrasema | 268 | 2 | 1 | 4 |
| Hydropsyche | 212 | 1 | 2 | 6 |
| Hydroptila | 200 | 1 | 14 | 1 |
| Oxyethira | 199 | 1 | ||
| Mystacides | 312 | 6 | 1 | 4 |
| Leptoceridae | 310 | 1 | ||
| Polycentropus | 231 | 1 | 1 | 1 |
| Psychomyia | 239 | 1 | 1 | |
| Tinodes | 245 | 2 | ||
| Rhyacophila lato-sensu | 183 | 8 | 27 | 52 |
| Baetis lato sensu | 9794 | 74 | 240 | 267 |
| Centroptilum | 383 | 3 | ||
| Caenis | 457 | 2 | ||
| Ephemerella | 450 | 17 | 19 | 5 |
| Ephemera | 502 | 1 | ||
| Epeorus | 400 | 2 | ||
| Leptophlebiidae | 473 | 7 | 1 | |
| Gerris | 735 | 1 | ||
| Elmis | 618 | 5 | 1 | 1 |
| Esolus | 619 | 1 | ||
| Limnius | 623 | 4 | 1 | 2 |
| Athericidae | 838 | 2 | 1 | |
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 824 | 896 | 744 |
| Clinocerinae | 9813 | 4 | 54 | 20 |
| Hemerodromiinae | 3202 | 3 | 4 | |
| Limoniini | 20393 | 1 | 23 | 11 |
| Simuliidae | 801 | 1 | 1 | |
| Tipulidae | 753 | 1 | 1 | |
| Boyeria | 670 | 1 | ||
| Gammarus | 892 | 1 | ||
| Copepoda | 3206 | 3 | 3 | 3 |
| Orconectes | 870 | 1 | ||
| Sphaerium | 1044 | 1 | ||
| Ancylus | 1028 | 13 | 14 | 14 |
| Bythinella | 992 | 1 | ||
| Oligochaeta | 933 | 12 | 688 | 576 |
| Nematoda | 1089 | 3 | ||
| Hydracarina | 906 | 3 | 3 | 3 |