Listes faunistiques invertébrés
L'Arn au Pont de l'Arn 05137000
- Télécharger la fiche IRSTEA xls / 29 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 12/09/2011 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 13.0 |
| GFI | 7 |
| Variété taxonomique | 23 |
| Taxon indicateur | Leuctridae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 4.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 23.0 | dominant |
| Blocs | 8.0 | dominant |
| Granulats | 0.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 33.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 29.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | s1 | Rapide | A |
| P2 | s3 | Lente | A |
| P3 | s28 | Nulle | A |
| P4 | s10 | Nulle | A |
| P5 | s24 | Lente | B |
| P6 | s30 | Lente | B |
| P7 | s25 | Lente | B |
| P8 | s29 | Lente | B |
| P9 | s25 | Nulle | C |
| P10 | s29 | Rapide | C |
| P11 | s24 | Rapide | C |
| P12 | s25 | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 2 | 13 | 6 |
| Protonemura | 46 | 1 | 1 | |
| Micrasema | 268 | 15 | ||
| Hydropsyche | 212 | 2 | 6 | |
| Mystacides | 312 | 2 | 19 | |
| Polycentropodidae | 223 | 1 | ||
| Cyrnus | 224 | 1 | ||
| Polycentropus | 231 | 6 | 7 | |
| Psychomyiidae | 238 | 1 | ||
| Rhyacophila lato-sensu | 183 | 7 | ||
| Baetis | 364 | 13 | 4 | 84 |
| Ephemera | 502 | 2 | ||
| Epeorus | 400 | 2 | ||
| Leptophlebiidae | 473 | 1 | ||
| Paraleptophlebia | 481 | 1 | ||
| Micronecta | 719 | 1 | ||
| Laccophilinae | 2394 | 1 | ||
| Elmis | 618 | 1 | 2 | |
| Oulimnius | 622 | 1 | 1 | |
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 248 | 464 | 124 |
| Empididae | 831 | 3 | 2 | 4 |
| Limoniidae | 757 | 1 | 1 | 2 |
| Psychodidae | 783 | 1 | ||
| Simuliidae | 801 | 1 | ||
| Tabanidae | 837 | 3 | ||
| Tipulidae | 753 | 1 | 1 | |
| Cladocera | 3127 | 8 | ||
| Copepoda | 3206 | 68 | 96 | 6 |
| Ostracoda | 3170 | 1 | ||
| Crangonyx | 5116 | 5 | 1 | |
| Hydracarina | 906 | 1 | 13 | 11 |
| Pisidium | 1043 | 1 | 3 | |
| Ancylus | 1028 | 3 | 17 | 6 |
| Bythinella | 992 | 2 | ||
| Oligochaeta | 933 | 10 | 120 | 2 |
| Nematoda | 1089 | 3 | 1 |