Listes faunistiques invertébrés
Le Cassurex à Najac 05125900
- Télécharger la fiche IRSTEA xls / 39 ko
- Export SEEE csv / 8 ko
| Date prélèvement | 26/08/2014 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 15.0 |
| GFI | 7 |
| Variété taxonomique | 31 |
| 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 | 16.0 | dominant |
| Blocs | 2.0 | marginal |
| Granulats | 1.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 78.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Branchage, racines | Lente | A |
| P2 | Blocs | Lente | A |
| P3 | Granulats | Lente | A |
| P4 | Litieres | Nulle | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Sables | Lente | B |
| P7 | Sables | Nulle | B |
| P8 | Sables | Lente | B |
| P9 | Sables | Nulle | C |
| P10 | Sables | Lente | C |
| P11 | Sables | Nulle | C |
| P12 | Sables | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 4 | ||
| Nemoura | 26 | 8 | 3 | 1 |
| Hydropsyche | 212 | 1 | ||
| Mystacides | 312 | 2 | 2 | |
| Cyrnus | 224 | 1 | ||
| Polycentropus | 231 | 19 | 1 | |
| Polycentropodidae | 223 | 2 | ||
| Lype | 241 | 1 | ||
| Tinodes | 245 | 1 | ||
| Rhyacophila lato-sensu | 183 | 9 | ||
| Baetis lato sensu | 9794 | 32 | 14 | |
| Ephemera | 502 | 24 | 53 | 13 |
| Ecdyonurus | 421 | 4 | 23 | 1 |
| Heptagenia | 443 | 1 | ||
| Rhithrogena | 404 | 3 | ||
| Heptageniidae | 399 | 3 | ||
| Paraleptophlebia | 481 | 8 | 1 | |
| Leptophlebiidae | 473 | 51 | 3 | 4 |
| Micronecta | 719 | 1 | 3 | |
| Gerris | 735 | 1 | ||
| Platambus | 556 | 1 | ||
| Elmis | 618 | 23 | 8 | 2 |
| Esolus | 619 | 4 | ||
| Limnius | 623 | 1 | ||
| Oulimnius | 622 | 1 | 2 | |
| Helodes | 636 | 6 | ||
| Atrichops | 840 | 4 | 6 | |
| Ceratopogoninae | 822 | 1 | 4 | 1 |
| Chironomidae | 807 | 55 | 672 | 960 |
| Pediciini | 20537 | 30 | 14 | |
| Psychodidae | 783 | 1 | 5 | 3 |
| Ptychopteridae | 789 | 1 | 1 | |
| Simuliidae | 801 | 1 | ||
| Tabanidae | 837 | 11 | 10 | |
| Tipulidae | 753 | 1 | ||
| Calopteryx | 650 | 32 | 1 | |
| Gomphus | 679 | 5 | 1 | |
| Gammarus | 892 | 1792 | 96 | 4 |
| Copepoda | 3206 | 3 | ||
| Ostracoda | 3170 | 3 | 3 | |
| Pisidium | 1043 | 1 | 21 | 7 |
| Sphaerium | 1044 | 6 | ||
| Sphaeriidae | 1042 | 1 | ||
| Ancylus | 1028 | 1 | ||
| Bythinella | 992 | 1 | ||
| Hydrobiidae | 973 | 1 | ||
| Planorbidae | 1009 | 2 | ||
| Oligochaeta | 933 | 16 | 376 | 56 |
| Hydracarina | 906 | 3 | 3 | |
| Hydra | 1077 | 3 |