Listes faunistiques invertébrés
Le Chavanon au niveau de Savennes 05069450
- Télécharger la fiche IRSTEA xls / 32 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 08/08/2019 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 17.0 |
| GFI | 9 |
| Variété taxonomique | 29 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 45.0 | dominant |
| Blocs | 25.0 | dominant |
| Granulats | 2.0 | marginal |
| Helophytes | ||
| Vases | ||
| Sables | 1.0 | marginal |
| Algues | ||
| Dalles, argiles | 23.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Lente | A |
| P4 | Granulats | Lente | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Blocs | Lente | B |
| P7 | Dalles, argiles | Moyenne | B |
| P8 | Pierres, galets | Moyenne | B |
| P9 | Pierres, galets | Nulle | C |
| P10 | Pierres, galets | Lente | C |
| P11 | Blocs | Moyenne | C |
| P12 | Dalles, argiles | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Chloroperla | 170 | 1 | ||
| Leuctra | 69 | 12 | 36 | 27 |
| Protonemura | 46 | 14 | 5 | |
| Perla | 164 | 15 | 19 | |
| Perlodes | 150 | 2 | ||
| Micrasema | 268 | 6 | 22 | 24 |
| Silo | 292 | 5 | ||
| Hydropsyche | 212 | 18 | 41 | 67 |
| Athripsodes | 311 | 1 | ||
| Mystacides | 312 | 3 | ||
| Oecetis | 317 | 1 | ||
| Polycentropus | 231 | 13 | 7 | 1 |
| Rhyacophila lato-sensu | 183 | 1 | 4 | 2 |
| Sericostoma | 322 | 1 | ||
| Baetis | 364 | 41 | 3 | 8 |
| Caenis | 457 | 2 | ||
| Torleya | 2391 | 1 | ||
| Ephemerella ignita | 451 | 4 | 4 | |
| Ephemera | 502 | 8 | 1 | |
| Ecdyonurus | 421 | 2 | 6 | |
| Rhithrogena | 404 | 3 | ||
| Micronecta | 719 | 1 | ||
| Colymbetinae | 2395 | 1 | ||
| Dupophilus | 620 | 5 | 32 | 23 |
| Elmis | 618 | 31 | 4 | 1 |
| Esolus | 619 | 2 | 5 | 1 |
| Limnius | 623 | 1 | 1 | |
| Oulimnius | 622 | 1 | ||
| Hydraena | 608 | 4 | 2 | |
| Athericidae | 838 | 1 | 1 | 1 |
| Chironomidae | 807 | 308 | 36 | 65 |
| Limoniidae | 757 | 2 | 1 | |
| Simuliidae | 801 | 1 | 1 | |
| Calopteryx | 650 | 3 | ||
| Sialis | 704 | 1 | ||
| Gammarus | 892 | 3 | ||
| Hydracarina | 906 | 3 | ||
| Ancylus | 1028 | 1 | 125 | 78 |
| Oligochaeta | 933 | 1 | 12 | 3 |