Listes faunistiques invertébrés
L'Arn au Pont de l'Arn 05137000
- Télécharger la fiche IRSTEA xls / 49 ko
- Export SEEE csv / 8 ko
| Date prélèvement | 09/08/2016 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 17.0 |
| GFI | 8 |
| Variété taxonomique | 36 |
| Taxon indicateur | Brachycentridae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 2.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 19.0 | dominant |
| Blocs | 30.0 | dominant |
| Granulats | 4.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 2.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 41.0 | 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 | Dalles, argiles | Nulle | C |
| P10 | Blocs | Lente | C |
| P11 | Dalles, argiles | Rapide | C |
| P12 | Blocs | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 19 | 26 | 18 |
| Protonemura | 46 | 2 | 1 | 4 |
| Nemouridae | 20 | 2 | ||
| Micrasema | 268 | 8 | 160 | 72 |
| Hydropsyche | 212 | 2 | 2 | |
| Hydroptila | 200 | 10 | 168 | 10 |
| Oxyethira | 199 | 11 | ||
| Ptilocolepus | 194 | 1 | ||
| Adicella | 320 | 2 | ||
| Oecetis | 317 | 1 | ||
| Philopotamus | 209 | 2 | ||
| Polycentropus | 231 | 10 | 1 | 1 |
| Polycentropodidae | 223 | 3 | 2 | |
| Tinodes | 245 | 1 | 2 | |
| Rhyacophila lato-sensu | 183 | 1 | 12 | 2 |
| Sericostomatidae | 321 | 1 | ||
| Baetis | 364 | 11 | 86 | 72 |
| Procloeon | 390 | 3 | ||
| Caenis | 457 | 1 | ||
| Ephemerella ignita | 451 | 6 | 9 | 2 |
| Ecdyonurus | 421 | 3 | ||
| Habrophlebia | 491 | 2 | ||
| Platambus | 556 | 1 | ||
| Elmis | 618 | 5 | 5 | 1 |
| Esolus | 619 | 2 | 2 | |
| Limnius | 623 | 5 | 1 | |
| Helodes | 636 | 1 | ||
| Hydrophilinae | 2517 | 1 | ||
| Atherix | 839 | 1 | ||
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 42 | 1057 | 232 |
| Clinocerinae | 9813 | 1 | 26 | 20 |
| Hemerodromiinae | 3202 | 20 | ||
| Ephydridae | 844 | 1 | 1 | |
| Limoniini | 20393 | 15 | ||
| Pediciini | 20537 | 1 | ||
| Limoniidae | 757 | 3 | ||
| Psychodidae | 783 | 1 | ||
| Tipulidae | 753 | 1 | 2 | |
| Boyeria | 670 | 1 | ||
| Calopteryx | 650 | 19 | ||
| Gammarus | 892 | 4 | 1 | |
| Copepoda | 3206 | 1 | 1 | 1 |
| Ancylus | 1028 | 14 | 44 | 6 |
| Bythinella | 992 | 1 | 1 | 2 |
| Galba | 1001 | 2 | ||
| Oligochaeta | 933 | 1285 | 928 | 113 |
| Polycelis | 1064 | 1 | ||
| Mermithoïdea | 3159 | 3 | 12 | 1 |
| Hydracarina | 906 | 5 | 3 | 1 |
| Hydrozoa | 3168 | 1 |