Listes faunistiques invertébrés
L'Aix à Grézolles 04011700
- Télécharger la fiche IRSTEA xls / 26 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 22/07/2013 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 15.0 |
| GFI | 8 |
| Variété taxonomique | 28 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 25.0 | dominant |
| Blocs | 15.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 2.0 | marginal |
| Algues | 4.0 | marginal |
| Dalles, argiles | 50.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Dalles, argiles | Moyenne | B |
| P2 | Bryophytes | Lente | A |
| P3 | Branchage, racines | Lente | A |
| P4 | Pierres, galets | Moyenne | B |
| P5 | Dalles, argiles | Lente | C |
| P6 | Litieres | Nulle | A |
| P7 | Granulats | Lente | A |
| P8 | Blocs | Moyenne | B |
| P9 | Dalles, argiles | Nulle | C |
| P10 | Dalles, argiles | Rapide | B |
| P11 | Dalles, argiles | Moyenne | C |
| P12 | Pierres, galets | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 3 | 12 | 4 |
| Protonemura | 46 | 4 | 12 | |
| Perla | 164 | 1 | ||
| Micrasema | 268 | 2 | 12 | 14 |
| Glossosoma | 190 | 1 | ||
| Hydropsychidae | 211 | 3 | 2 | 8 |
| Ithytrichia | 198 | 1 | ||
| Polycentropodidae | 223 | 1 | ||
| Rhyacophila lato-sensu | 183 | 2 | 2 | 3 |
| Baetis | 364 | 55 | 35 | 36 |
| Ephemerella ignita | 451 | 19 | 8 | 23 |
| Ephemera | 502 | 5 | ||
| Heptageniidae | 399 | 2 | ||
| Ecdyonurus | 421 | 2 | ||
| Electrogena | 3181 | 1 | ||
| Epeorus | 400 | 2 | 1 | |
| Rhithrogena | 404 | 4 | ||
| Leptophlebiidae | 473 | 38 | 17 | 3 |
| Habrophlebia | 491 | 5 | 24 | |
| Elmis | 618 | 2 | 2 | 1 |
| Oulimnius | 622 | 1 | ||
| Hydraena | 608 | 16 | 3 | 12 |
| Atherix | 839 | 1 | ||
| Blepharicera | 749 | 6 | ||
| Ceratopogonidae | 819 | 2 | 2 | |
| Chironomidae | 807 | 70 | 25 | 16 |
| Dicranota | 765 | 15 | 4 | 3 |
| Simulium | 806 | 35 | 38 | 36 |
| Gerris | 735 | 3 | ||
| Calopteryx | 650 | 1 | ||
| Gammaridae | 887 | 28 | 2 | |
| Gammarus | 892 | 1 | 1 | |
| Ancylus | 1028 | 1 | 5 | 12 |
| Sphaeriidae | 1042 | 1 | ||
| Pisidium | 1043 | 1 | ||
| Oligochaeta | 933 | 20 | 22 | 8 |
| Hydracarina | 906 | 3 | 3 |