Listes faunistiques invertébrés
Le Lot aux Ajustons 05101600
- Télécharger la fiche IRSTEA xls / 29 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 19/07/2012 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 16.0 |
| GFI | 8 |
| Variété taxonomique | 30 |
| Taxon indicateur | Brachycentridae |
| I2M2 | 0.6114 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 10.0 | dominant |
| Hydrophytes | ||
| Litieres | ||
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 2.0 | marginal |
| Blocs | 2.0 | marginal |
| Granulats | 0.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | ||
| Sables | ||
| Algues | 1.0 | marginal |
| Dalles, argiles | 83.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Branchage, racines | Nulle | A |
| P2 | Pierres, galets | Lente | A |
| P3 | Blocs | Moyenne | A |
| P4 | Helophytes | Lente | A |
| P5 | Bryophytes | Moyenne | B |
| P6 | Dalles, argiles | Moyenne | B |
| P7 | Dalles, argiles | Rapide | B |
| P8 | Dalles, argiles | Lente | B |
| P9 | Dalles, argiles | Nulle | C |
| P10 | Dalles, argiles | Moyenne | C |
| P11 | Dalles, argiles | Rapide | C |
| P12 | Dalles, argiles | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Euleuctra geniculata | 68 | 1 | ||
| Leuctra | 69 | 9 | 5 | |
| Micrasema | 268 | 3 | ||
| Oligoplectrum | 263 | 312 | 464 | 64 |
| Cheumatopsyche | 221 | 1 | ||
| Hydropsyche | 212 | 896 | 17 | 32 |
| Hydroptila | 200 | 2 | 5 | 5 |
| Oecetis | 317 | 1 | ||
| Chimarra | 207 | 2 | ||
| Polycentropus | 231 | 1 | ||
| Psychomyiidae | 238 | 1 | ||
| Psychomyia | 239 | 2 | 8 | 8 |
| Rhyacophila lato-sensu | 183 | 48 | 21 | 15 |
| Baetis | 364 | 1920 | 848 | 114 |
| Caenis | 457 | 2 | 1 | |
| Ephemerella | 450 | 768 | 27 | 29 |
| Heptageniidae | 399 | 2 | 1 | |
| Ecdyonurus | 421 | 8 | 6 | |
| Oligoneuriella | 394 | 9 | ||
| Gerris | 735 | 1 | ||
| Elmis | 618 | 164 | 50 | 31 |
| Esolus | 619 | 36 | ||
| Limnius | 623 | 1 | 1 | |
| Oulimnius | 622 | 16 | 4 | |
| Stenelmis | 617 | 1 | ||
| Hydraena | 608 | 2 | ||
| Chironomidae | 807 | 28 | 448 | 78 |
| Empididae | 831 | 1 | 2 | 1 |
| Limoniidae | 757 | 6 | 22 | 13 |
| Simuliidae | 801 | 21 | 17 | 1 |
| Ostracoda | 3170 | 15 | 3 | |
| Asellidae | 880 | 6 | 2 | |
| Hydracarina | 906 | 33 | 8 | 17 |
| Pisidium | 1043 | 2 | ||
| Ancylus | 1028 | 35 | 2 | 23 |
| Potamopyrgus | 978 | 2 | ||
| Theodoxus | 967 | 1 | 1 | |
| Oligochaeta | 933 | 18 | 4 | 1 |
| Dugesiidae | 1055 | 14 | 1 | |
| Nematoda | 1089 | 1 |