Listes faunistiques invertébrés
Le Valençon à Varennes-sur-Allier 04041195
- Télécharger la fiche IRSTEA xls / 26 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 02/08/2012 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 14.0 |
| GFI | 6 |
| Variété taxonomique | 31 |
| I2M2 | 0.5773 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 9.0 | dominant |
| Blocs | 1.0 | marginal |
| Granulats | 1.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 85.0 | dominant |
| Algues | 1.0 | marginal |
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Sables | Lente | B |
| P2 | Sables | Lente | C |
| P3 | Branchage, racines | Nulle | A |
| P4 | Sables | Nulle | B |
| P5 | Sables | Nulle | C |
| P6 | Sables | Nulle | B |
| P7 | Litieres | Nulle | A |
| P8 | Pierres, galets | Moyenne | B |
| P9 | Blocs | Lente | A |
| P10 | Sables | Nulle | C |
| P11 | Sables | Nulle | C |
| P12 | Granulats | Lente | A |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Goeridae | 286 | 1 | 1 | |
| Hydropsychidae | 211 | 19 | 6 | |
| Hydropsyche | 212 | 16 | 19 | |
| Hydroptila | 200 | 26 | 11 | |
| Ithytrichia | 198 | 15 | 4 | 4 |
| Mystacides | 312 | 1 | ||
| Stenophylacini-chaetopterygini | 3146 | 2 | ||
| Cyrnus | 224 | 1 | ||
| Polycentropus | 231 | 2 | ||
| Rhyacophila lato-sensu | 183 | 3 | 1 | 1 |
| Baetis | 364 | 13 | 11 | 1 |
| Procloeon | 390 | 1 | ||
| Ephemerella ignita | 451 | 17 | 17 | 1 |
| Ephemera | 502 | 1 | 3 | 1 |
| Heptageniidae | 399 | 1 | ||
| Heptagenia | 443 | 4 | 1 | |
| Elmis | 618 | 15 | 9 | |
| Esolus | 619 | 2 | 3 | 1 |
| Limnius | 623 | 8 | 20 | 1 |
| Macronychus | 626 | 2 | ||
| Oulimnius | 622 | 35 | 17 | 7 |
| Riolus | 625 | 165 | 8 | 2 |
| Atrichops | 840 | 2 | 2 | |
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 159 | 51 | 53 |
| Hemerodromiinae | 3202 | 1 | 1 | |
| Antocha | 759 | 165 | 58 | |
| Dicranota | 765 | 3 | 1 | |
| Simulium | 806 | 4 | ||
| Tabanidae | 837 | 4 | 1 | 4 |
| Aphelocheirus | 721 | 15 | 2 | 2 |
| Micronecta | 719 | 1 | 5 | 11 |
| Notonecta | 730 | 1 | ||
| Gomphus | 679 | 1 | 1 | 2 |
| Sialis | 704 | 4 | ||
| Ostracoda | 3170 | 3 | ||
| Asellidae | 880 | 4 | ||
| Gammaridae | 887 | 180 | 275 | 10 |
| Gammarus | 892 | 535 | 356 | 98 |
| Bithynia | 994 | 1 | ||
| Potamopyrgus | 978 | 5 | 3 | 24 |
| Pisidium | 1043 | 1 | 1 | |
| Erpobdellidae | 928 | 1 | ||
| Oligochaeta | 933 | 86 | 25 | 105 |
| Hydracarina | 906 | 3 | 3 |