Listes faunistiques invertébrés
L'Arn au Pont de l'Arn 05137000
- Télécharger la fiche IRSTEA xls / 43 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 13/07/2015 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 15.0 |
| GFI | 8 |
| Variété taxonomique | 28 |
| Taxon indicateur | Brachycentridae |
| I2M2 | 0.6232 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 2.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 15.0 | dominant |
| Blocs | 20.0 | dominant |
| Granulats | 4.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 20.0 | dominant |
| Algues | 4.0 | marginal |
| Dalles, argiles | 34.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Algues | Moyenne | A |
| P3 | Branchage, racines | Lente | A |
| P4 | Granulats | Lente | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Blocs | Moyenne | B |
| P7 | Sables | Lente | B |
| P8 | Dalles, argiles | Moyenne | B |
| P9 | Dalles, argiles | Lente | C |
| P10 | Dalles, argiles | Rapide | C |
| P11 | Sables | Moyenne | C |
| P12 | Blocs | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra geniculata | 33830 | 3 | ||
| Leuctra | 69 | 17 | 47 | 76 |
| Nemoura | 26 | 4 | 1 | |
| Protonemura | 46 | 2 | 1 | |
| Dinocras | 156 | 1 | ||
| Micrasema | 268 | 8 | 2 | 1 |
| Hydropsyche | 212 | 2 | 10 | |
| Hydroptila | 200 | 5 | 8 | 5 |
| Oxyethira | 199 | 1 | ||
| Lepidostomatidae | 304 | 1 | ||
| Mystacides | 312 | 2 | ||
| Polycentropus | 231 | 1 | 1 | |
| Polycentropodidae | 223 | 2 | ||
| Rhyacophila lato-sensu | 183 | 8 | 3 | 1 |
| Baetis lato sensu | 9794 | 21 | 20 | 6 |
| Baetis | 364 | 28 | 67 | 56 |
| Caenis | 457 | 1 | ||
| Ephemerella ignita | 451 | 133 | 24 | 6 |
| Epeorus | 400 | 1 | ||
| Heptageniidae | 399 | 1 | ||
| Habrophlebia | 491 | 1 | ||
| Leptophlebiidae | 473 | 1 | 1 | |
| Elmis | 618 | 6 | 2 | 1 |
| Esolus | 619 | 9 | 1 | 3 |
| Limnius | 623 | 1 | 4 | |
| Oulimnius | 622 | 1 | ||
| Atherix | 839 | 2 | ||
| Chironomidae | 807 | 100 | 50 | 12 |
| Clinocerinae | 9813 | 2 | ||
| Hemerodromiinae | 3202 | 1 | ||
| Empididae | 831 | 4 | ||
| Psychodidae | 783 | 2 | ||
| Tipulidae | 753 | 13 | 1 | |
| Calopteryx | 650 | 1 | ||
| Gammarus | 892 | 19 | 4 | |
| Ancylus | 1028 | 84 | 7 | 10 |
| Bythinella | 992 | 4 | 6 | |
| Oligochaeta | 933 | 250 | 35 | 18 |
| Polycelis | 1064 | 1 | ||
| Mermithoïdea | 3159 | 3 | 3 | |
| Hydracarina | 906 | 3 |