Listes faunistiques invertébrés
Le Cassurex à Najac 05125900
- Télécharger la fiche IRSTEA xls / 44 ko
- Export SEEE csv / 8 ko
| Date prélèvement | 08/07/2015 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 17.0 |
| GFI | 7 |
| Variété taxonomique | 37 |
| Taxon indicateur | Leuctridae |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 15.0 | dominant |
| Blocs | 4.0 | marginal |
| Granulats | 0.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 75.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 4.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Blocs | Lente | A |
| P4 | Dalles, argiles | Moyenne | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Sables | Nulle | B |
| P7 | Sables | Lente | B |
| P8 | Sables | Nulle | B |
| P9 | Sables | Lente | C |
| P10 | Sables | Nulle | C |
| P11 | Sables | Lente | C |
| P12 | Sables | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 4 | ||
| Nemoura | 26 | 1 | ||
| Goeridae | 286 | 1 | ||
| Mystacides | 312 | 5 | 5 | 7 |
| Cyrnus | 224 | 1 | ||
| Polycentropus | 231 | 20 | 4 | 2 |
| Polycentropodidae | 223 | 4 | ||
| Psychomyia | 239 | 2 | ||
| Tinodes | 245 | 1 | ||
| Rhyacophila lato-sensu | 183 | 3 | ||
| Baetis | 364 | 21 | 84 | 1 |
| Ephemerella ignita | 451 | 2 | 1 | |
| Ephemera | 502 | 1 | 19 | 56 |
| Ecdyonurus | 421 | 3 | 1 | |
| Electrogena | 3181 | 2 | 1 | |
| Rhithrogena | 404 | 3 | ||
| Heptageniidae | 399 | 5 | 3 | |
| Habrophlebia | 491 | 1 | ||
| Leptophlebiidae | 473 | 2 | 1 | |
| Micronecta | 719 | 46 | 88 | |
| Hydrometra | 740 | 1 | 1 | |
| Velia | 745 | 12 | ||
| Platambus | 556 | 2 | ||
| Dupophilus | 620 | 1 | ||
| Elmis | 618 | 4 | 2 | |
| Oulimnius | 622 | 4 | 2 | |
| Helodes | 636 | 2 | ||
| Hydrophilinae | 2517 | 1 | ||
| Atrichops | 840 | 1 | 9 | 14 |
| Forcipomyinae | 20455 | 2 | 11 | |
| Chironomidae | 807 | 544 | 2625 | 545 |
| Dixa | 794 | 1 | ||
| Clinocerinae | 9813 | 2 | ||
| Hemerodromiinae | 3202 | 3 | 3 | 4 |
| Hexatomini | 20358 | 4 | 2 | |
| Pediciini | 20537 | 3 | 6 | |
| Psychodidae | 783 | 3 | ||
| Simuliidae | 801 | 2 | 13 | |
| Tabanidae | 837 | 8 | 8 | |
| Tipulidae | 753 | 1 | ||
| Calopteryx | 650 | 11 | 2 | |
| Gomphus | 679 | 1 | 2 | 1 |
| Osmylus | 854 | 2 | ||
| Gammarus | 892 | 96 | 89 | 16 |
| Copepoda | 3206 | 3 | 3 | 3 |
| Pacifastacus | 872 | 1 | ||
| Pisidium | 1043 | 2 | 20 | 8 |
| Sphaerium | 1044 | 2 | ||
| Ancylus | 1028 | 1 | 1 | |
| Galba | 1001 | 1 | ||
| Oligochaeta | 933 | 2 | 124 | 31 |
| Mermithoïdea | 3159 | 3 | ||
| Hydracarina | 906 | 3 | 3 | 3 |