Listes faunistiques invertébrés
Le Chavanon au niveau de Savennes 05069450
- Télécharger la fiche IRSTEA xls / 35 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 01/09/2020 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 17.0 |
| GFI | 9 |
| Variété taxonomique | 32 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 40.0 | dominant |
| Blocs | 30.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 1.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 24.0 | 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 | Lente | B |
| P8 | Pierres, galets | Moyenne | B |
| P9 | Pierres, galets | Nulle | C |
| P10 | Blocs | Moyenne | C |
| P11 | Dalles, argiles | Moyenne | C |
| P12 | Pierres, galets | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Euleuctra geniculata | 68 | 1 | ||
| Leuctra | 69 | 5 | 19 | 6 |
| Protonemura | 46 | 242 | ||
| Dinocras | 156 | 2 | 1 | |
| Perla | 164 | 13 | 1 | |
| Perlodes | 150 | 2 | ||
| Brachycentrus | 265 | 1 | ||
| Micrasema | 268 | 187 | 78 | 32 |
| Agapetus | 191 | 4 | 2 | |
| Silo | 292 | 2 | 2 | 5 |
| Hydropsyche | 212 | 268 | 80 | 36 |
| Holocentropus | 235 | 3 | ||
| Polycentropus | 231 | 3 | 2 | 2 |
| Rhyacophila lato-sensu | 183 | 1 | 1 | |
| Baetis | 364 | 11 | 47 | 24 |
| Caenis | 457 | 1 | 2 | |
| Ephemerella ignita | 451 | 1 | ||
| Ephemera | 502 | 11 | 1 | 1 |
| Ecdyonurus | 421 | 1 | 136 | 79 |
| Epeorus | 400 | 102 | 44 | |
| Rhithrogena | 404 | 2 | 67 | 32 |
| Leptophlebiidae | 473 | 13 | ||
| Habroleptoides | 485 | 2 | ||
| Paraleptophlebia | 481 | 67 | 5 | 3 |
| Hydrometra | 740 | 1 | ||
| Colymbetinae | 2395 | 6 | ||
| Dupophilus | 620 | 4 | 64 | 30 |
| Elmis | 618 | 45 | 1 | 3 |
| Esolus | 619 | 2 | 6 | |
| Limnius | 623 | 2 | 2 | 1 |
| Hydraena | 608 | 14 | 8 | 3 |
| Athericidae | 838 | 2 | ||
| Ceratopogonidae | 819 | 1 | 3 | 1 |
| Chironomidae | 807 | 139 | 74 | 20 |
| Limoniidae | 757 | 1 | ||
| Simuliidae | 801 | 3 | 1 | 1 |
| Gomphidae | 678 | 1 | ||
| Sialis | 704 | 1 | ||
| Pacifastacus | 872 | 1 | ||
| Gammarus | 892 | 6 | ||
| Pisidium | 1043 | 1 | ||
| Ancylus | 1028 | 2 | 29 | 8 |
| Erpobdellidae | 928 | 1 | ||
| Oligochaeta | 933 | 22 | 14 | |
| Nemathelmintha | 3111 | 1 |