Listes faunistiques invertébrés
Le Cassurex à Najac 05125900
- Télécharger la fiche IRSTEA xls / 81 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 23/08/2013 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 14.0 |
| GFI | 7 |
| Variété taxonomique | 25 |
| Taxon indicateur | Leptophlebiidae |
| I2M2 | 0.3834 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 15.0 | dominant |
| Blocs | 1.0 | marginal |
| Granulats | 1.0 | marginal |
| Helophytes | ||
| Vases | ||
| Sables | 80.0 | dominant |
| Algues | ||
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Lente | A |
| P3 | Blocs | Moyenne | A |
| P4 | Granulats | Lente | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Sables | Nulle | B |
| P7 | Sables | Lente | B |
| P8 | Sables | Moyenne | B |
| P9 | Sables | Nulle | C |
| P10 | Sables | Lente | C |
| P11 | Sables | Moyenne | C |
| P12 | Sables | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 2 | 1 | |
| Nemoura | 26 | 4 | 4 | 2 |
| Silo | 292 | 1 | ||
| Goeridae | 286 | 1 | ||
| Hydropsyche | 212 | 2 | ||
| Mystacides | 312 | 1 | ||
| Polycentropus | 231 | 3 | ||
| Polycentropodidae | 223 | 1 | ||
| Rhyacophila lato-sensu | 183 | 7 | ||
| Baetis lato sensu | 9794 | 25 | 82 | 20 |
| Procloeon | 390 | 4 | ||
| Brachycercus | 468 | 1 | ||
| Caenis | 457 | 1 | ||
| Ephemera | 502 | 48 | 40 | 204 |
| Ecdyonurus | 421 | 16 | 40 | 3 |
| Rhithrogena | 404 | 6 | ||
| Heptageniidae | 399 | 3 | 1 | |
| Paraleptophlebia | 481 | 19 | 1 | 1 |
| Micronecta | 719 | 8 | ||
| Elmis | 618 | 13 | 14 | 2 |
| Esolus | 619 | 2 | 1 | |
| Limnius | 623 | 1 | ||
| Oulimnius | 622 | 1 | 1 | |
| Athericidae | 838 | 1 | 9 | |
| Ceratopogoninae | 822 | 1 | ||
| Forcipomyinae | 20455 | 1 | 1 | |
| Chironomidae | 807 | 112 | 46 | 172 |
| Limoniidae | 757 | 5 | 24 | 19 |
| Simuliidae | 801 | 9 | 7 | 1 |
| Tabanidae | 837 | 2 | 1 | 30 |
| Calopteryx | 650 | 3 | 1 | |
| Gomphus | 679 | 1 | ||
| Gomphidae | 678 | 1 | 2 | |
| Gammarus | 892 | 3648 | 192 | 408 |
| Ostracoda | 3170 | 3 | ||
| Pisidium | 1043 | 14 | 5 | |
| Sphaerium | 1044 | 34 | 8 | |
| Ancylus | 1028 | 1 | 4 | |
| Menetus | 1025 | 1 | ||
| Xironogiton | 23599 | 1 | ||
| Oligochaeta | 933 | 260 | 132 | 38 |
| Hydracarina | 906 | 3 | 3 |