Listes faunistiques invertébrés
L'Arn au Pont de l'Arn 05137000
- Télécharger la fiche IRSTEA xls / 29 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 11/09/2012 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 15.0 |
| GFI | 7 |
| Variété taxonomique | 32 |
| Taxon indicateur | Leuctridae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 2.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 25.0 | dominant |
| Blocs | 27.0 | dominant |
| Granulats | 4.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 2.0 | marginal |
| Algues | 20.0 | dominant |
| Dalles, argiles | 18.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Lente | A |
| P4 | Granulats | Lente | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Moyenne | B |
| P7 | Algues | Lente | B |
| P8 | Dalles, argiles | Moyenne | B |
| P9 | Blocs | Rapide | C |
| P10 | Pierres, galets | Lente | C |
| P11 | Algues | Moyenne | C |
| P12 | Dalles, argiles | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 22 | 5 | 12 |
| Protonemura | 46 | 1 | ||
| Micrasema | 268 | 1 | 1 | |
| Hydropsyche | 212 | 19 | 147 | 198 |
| Hydroptilidae | 193 | 1 | ||
| Hydroptila | 200 | 1 | 2 | 1 |
| Oxyethira | 199 | 2 | ||
| Adicella | 320 | 2 | ||
| Mystacides | 312 | 3 | ||
| Philopotamus | 209 | 1 | 1 | 4 |
| Polycentropodidae | 223 | 6 | 2 | |
| Polycentropus | 231 | 7 | 5 | 2 |
| Tinodes | 245 | 1 | ||
| Rhyacophila lato-sensu | 183 | 12 | 22 | |
| Baetidae | 363 | 1 | ||
| Baetis | 364 | 18 | 469 | 212 |
| Caenis | 457 | 1 | ||
| Heptageniidae | 399 | 1 | 1 | |
| Habroleptoides | 485 | 1 | ||
| Paraleptophlebia | 481 | 1 | ||
| Dryops | 613 | 4 | ||
| Pomatinus | 611 | 2 | ||
| Dupophilus | 620 | 1 | 2 | |
| Elmis | 618 | 1 | 2 | |
| Esolus | 619 | 1 | ||
| Limnius | 623 | 2 | 3 | |
| Orectochilus | 515 | 1 | ||
| Athericidae | 838 | 3 | 4 | |
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 470 | 197 | 224 |
| Empididae | 831 | 2 | 2 | 1 |
| Ephydridae | 844 | 1 | ||
| Psychodidae | 783 | 1 | ||
| Simuliidae | 801 | 2 | 2 | 12 |
| Tipulidae | 753 | 8 | ||
| Copepoda | 3206 | 1 | 1 | 1 |
| Gammarus | 892 | 1 | ||
| Hydracarina | 906 | 1 | 1 | 1 |
| Ancylus | 1028 | 9 | 3 | 5 |
| Radix | 1004 | 1 | ||
| Valvata | 972 | 2 | ||
| Erpobdellidae | 928 | 21 | 1 | 9 |
| Oligochaeta | 933 | 690 | 339 | 420 |
| Nematoda | 1089 | 1 | 1 | |
| Prostoma | 3110 | 1 | 1 |