Listes faunistiques invertébrés
Le Cassurex à Najac 05125900
- Télécharger la fiche IRSTEA xls / 646 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 11/06/2020 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 15.0 |
| GFI | 7 |
| Variété taxonomique | 31 |
| I2M2 | 0.3327 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 20.0 | dominant |
| Blocs | 25.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | ||
| Vases | ||
| Sables | 30.0 | dominant |
| Algues | ||
| Dalles, argiles | 21.0 | 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 | Lente | B |
| P7 | Sables | Nulle | B |
| P8 | Dalles, argiles | Lente | B |
| P9 | Sables | Lente | C |
| P10 | Blocs | Moyenne | C |
| P11 | Dalles, argiles | Lente | C |
| P12 | Pierres, galets | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 1 | 2 | |
| Leuctridae | 66 | 2 | ||
| Nemoura | 26 | 1 | ||
| Brachycentridae | 262 | 1 | ||
| Limnephilinae | 3163 | 2 | ||
| Polycentropus | 231 | 5 | 1 | |
| Polycentropodidae | 223 | 1 | 2 | |
| Rhyacophila lato-sensu | 183 | 4 | 4 | 1 |
| Sericostomatidae | 321 | 1 | ||
| Baetis lato sensu | 9794 | 22 | 105 | 106 |
| Ephemerella ignita | 451 | 3 | 2 | 1 |
| Ephemerellidae | 449 | 1 | ||
| Ephemera | 502 | 27 | 7 | |
| Ecdyonurus | 421 | 1 | 14 | 17 |
| Rhithrogena | 404 | 18 | 12 | |
| Heptageniidae | 399 | 1 | 8 | 14 |
| Habrophlebia | 491 | 3 | 8 | 6 |
| Paraleptophlebia | 481 | 1 | ||
| Leptophlebiidae | 473 | 22 | 13 | 1 |
| Gerris | 735 | 1 | ||
| Veliidae | 743 | 1 | ||
| Elmis | 618 | 10 | 3 | 1 |
| Hydraena | 608 | 1 | ||
| Scirtidae | 634 | 1 | ||
| Chironomidae | 807 | 546 | 28 | 2 |
| Limoniidae | 757 | 4 | 4 | 5 |
| Psychodidae | 783 | 1 | ||
| Simuliidae | 801 | 8 | 2 | 7 |
| Tabanidae | 837 | 1 | ||
| Boyeria irene | 671 | 1 | ||
| Gammarus | 892 | 2166 | 321 | 230 |
| Pacifastacus leniusculus | 873 | 1 | ||
| Corbicula | 1051 | 1 | ||
| Pisidium | 1043 | 4 | 2 | 2 |
| Sphaeriidae | 1042 | 4 | 10 | |
| Ancylus fluviatilis | 1029 | 1 | 1 | 2 |
| Potamopyrgus antipodarum | 979 | 10 | 1 | 2 |
| Hydrobiidae | 973 | 4 | ||
| Physella | 19280 | 1 | ||
| Xironogiton | 23599 | 43 | ||
| Oligochaeta | 933 | 37 | 41 | 6 |
| Bryozoa | 1087 | 1 | 1 |