Listes faunistiques invertébrés
Le Valençon à Varennes-sur-Allier 04041195
- Télécharger la fiche IRSTEA xls / 32 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 11/08/2011 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 15.0 |
| GFI | 7 |
| Variété taxonomique | 29 |
| I2M2 | 0.4032 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 6.0 | dominant |
| Blocs | 0.0 | marginal |
| Granulats | 2.0 | marginal |
| Helophytes | ||
| Vases | 3.0 | marginal |
| Sables | 87.0 | dominant |
| Algues | ||
| Dalles, argiles |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Sables | Lente | B |
| P2 | Sables | Lente | B |
| P3 | Sables | Nulle | B |
| P4 | Vases | Nulle | A |
| P5 | Branchage, racines | Nulle | A |
| P6 | Litieres | Nulle | A |
| P7 | Granulats | Lente | A |
| P8 | Sables | Lente | C |
| P9 | Sables | Nulle | C |
| P10 | Sables | Nulle | C |
| P11 | Pierres, galets | Moyenne | B |
| P12 | Sables | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydropsychidae | 211 | 2 | 20 | 1 |
| Hydropsyche | 212 | 1 | 12 | 1 |
| Hydroptila | 200 | 1 | 1 | |
| Ithytrichia | 198 | 6 | 1 | 4 |
| Polycentropodidae | 223 | 2 | ||
| Cyrnus | 224 | 2 | ||
| Polycentropus | 231 | 4 | ||
| Notidobia | 325 | 1 | ||
| Baetidae | 363 | 1 | ||
| Baetis | 364 | 18 | ||
| Ephemera | 502 | 3 | 5 | 3 |
| Heptagenia | 443 | 2 | ||
| Leptophlebiidae | 473 | 1 | ||
| Paraleptophlebia | 481 | 2 | ||
| Aphelocheirus aestivalis | 2714 | 1 | 3 | 12 |
| Micronecta | 719 | 5 | 14 | 50 |
| Elmis | 618 | 7 | 2 | 1 |
| Esolus | 619 | 3 | ||
| Limnius | 623 | 1 | 4 | 1 |
| Macronychus | 626 | 1 | ||
| Oulimnius | 622 | 18 | 22 | 22 |
| Riolus | 625 | 1 | ||
| Orectochilus | 515 | 3 | ||
| Athericidae | 838 | 3 | 1 | |
| Ceratopogonidae | 819 | 5 | 3 | 7 |
| Chironomidae | 807 | 79 | 97 | 108 |
| Empididae | 831 | 8 | 7 | 9 |
| Limoniidae | 757 | 3 | 9 | 3 |
| Tabanidae | 837 | 2 | 4 | |
| Calopteryx | 650 | 3 | ||
| Gomphus | 679 | 4 | 1 | |
| Platycnemis | 657 | 1 | ||
| Sialis | 704 | 9 | ||
| Gammaridae | 887 | 639 | 74 | 30 |
| Gammarus | 892 | 517 | 172 | 7 |
| Asellidae | 880 | 13 | ||
| Sphaeriidae | 1042 | 1 | 3 | |
| Pisidium | 1043 | 1 | 1 | |
| Potamopyrgus | 978 | 9 | 4 | 3 |
| Erpobdella | 929 | 1 | ||
| Glossiphonia | 909 | 1 | ||
| Oligochaeta | 933 | 128 | 5 | 33 |
| Hydracarina | 906 | 1 | 1 | 1 |
| Hydrozoa | 3166 | 1 | ||
| Cladocera | 3127 | 1 | ||
| Ostracoda | 3170 | 1 | 1 |