Listes faunistiques invertébrés
Le Lignon-du-Velay à Chaudeyrolles 04002870
- Télécharger la fiche IRSTEA xls / 25 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 10/08/2023 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 18.0 |
| GFI | 9 |
| Variété taxonomique | 33 |
| I2M2 | 0.6688 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | ||
| Litieres | ||
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 2.0 | marginal |
| Blocs | 7.0 | dominant |
| Granulats | 2.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | ||
| Sables | ||
| Algues | 1.0 | marginal |
| Dalles, argiles | 85.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Branchage, racines | Lente | A |
| P3 | Pierres, galets | Moyenne | A |
| P4 | Granulats | Lente | A |
| P5 | Blocs | Lente | B |
| P6 | Dalles, argiles | Moyenne | B |
| P7 | Dalles, argiles | Lente | B |
| P8 | Dalles, argiles | Nulle | B |
| P9 | Dalles, argiles | Moyenne | C |
| P10 | Dalles, argiles | Lente | C |
| P11 | Dalles, argiles | Nulle | C |
| P12 | Dalles, argiles | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Gammarus | 892 | 6 | ||
| Dupophilus | 620 | 68 | ||
| Limnius | 623 | 24 | ||
| Calopteryx | 650 | 2 | ||
| Micronecta | 719 | 2 | 1 | |
| Dixidae | 793 | 11 | ||
| Simuliidae | 801 | 216 | 62 | 488 |
| Chironomidae | 807 | 176 | 9 | 7 |
| Athericidae | 838 | 6 | 7 | |
| Pacifastacus | 872 | 1 | ||
| Esolus | 619 | 84 | 1 | |
| Hydracarina | 906 | 1 | 1 | 1 |
| Glossiphoniidae | 908 | 3 | ||
| Oligochaeta | 933 | 14 | ||
| Hydroporinae | 2393 | 1 | 1 | 1 |
| Limnephilinae | 3163 | 1 | ||
| Anomalopterygella | 5082 | 1 | ||
| Baetis lato sensu | 9794 | 456 | 170 | 58 |
| Forcipomyinae | 20455 | 3 | ||
| Pediciini | 20537 | 1 | ||
| Odontocerum | 339 | 2 | ||
| Leuctra | 69 | 112 | 2 | 2 |
| Perlidae | 155 | 1 | ||
| Perla | 164 | 2 | ||
| Rhyacophila lato-sensu | 183 | 40 | ||
| Hydropsyche | 212 | 40 | 3 | |
| Polycentropus | 231 | 27 | 4 | |
| Micrasema | 268 | 5 | ||
| Silo | 292 | 1 | 1 | |
| Sericostoma | 322 | 3 | ||
| Protonemura | 46 | 41 | ||
| Heptageniidae | 399 | 3 | ||
| Ecdyonurus | 421 | 13 | 2 | |
| Ephemerella ignita | 451 | 19 | 2 | |
| Caenis | 457 | 7 | 1 | 2 |
| Ephemera | 502 | 2 | ||
| Platambus | 556 | 3 | ||
| Hydraena | 608 | 2 | ||
| Elmis | 618 | 124 | 3 | 1 |