Listes faunistiques invertébrés
La Dordogne en amont de La Bourboule 05072050
- Télécharger la fiche IRSTEA xls / 123 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 19/08/2021 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 15.0 |
| GFI | 9 |
| Variété taxonomique | 24 |
| I2M2 | 0.5873 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 21.0 | dominant |
| Blocs | 30.0 | dominant |
| Granulats | 2.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 4.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 40.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Branchage, racines | Lente | A |
| P3 | Granulats | Lente | A |
| P4 | Sables | Nulle | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Moyenne | B |
| P7 | Dalles, argiles | Moyenne | B |
| P8 | Dalles, argiles | Rapide | B |
| P9 | Blocs | Rapide | C |
| P10 | Dalles, argiles | Lente | C |
| P11 | Pierres, galets | Lente | C |
| P12 | Blocs | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Gammarus | 892 | 13 | 1 | |
| Esolus | 619 | 2 | ||
| Limnius | 623 | 2 | 1 | 6 |
| Blephariceridae | 747 | 12 | 4 | |
| Dixidae | 793 | 5 | ||
| Simuliidae | 801 | 16 | 42 | 10 |
| Chironomidae | 807 | 20 | 4 | 14 |
| Empididae | 831 | 1 | 1 | |
| Athericidae | 838 | 1 | ||
| Elmis | 618 | 37 | 1 | |
| Oligochaeta | 933 | 1 | 2 | |
| Potamopyrgus | 978 | 1 | ||
| Polycelis | 1064 | 2 | 3 | |
| Hydroporinae | 2393 | 1 | ||
| Limnephilinae | 3163 | 1 | ||
| Serratella | 5152 | 28 | 1 | |
| Pediciidae | 50011 | 3 | 4 | 1 |
| Taeniopteryx | 14 | 7 | 1 | |
| Hydraena | 608 | 4 | ||
| Habroleptoides | 485 | 1 | ||
| Caenis | 457 | 6 | ||
| Ecdyonurus | 421 | 5 | ||
| Rhithrogena | 404 | 1 | ||
| Epeorus | 400 | 1 | 2 | 2 |
| Baetis | 364 | 70 | 522 | 578 |
| Sericostoma | 322 | 1 | ||
| Micrasema | 268 | 28 | 2 | |
| Hydropsyche | 212 | 1 | 1 | 1 |
| Rhyacophila lato-sensu | 183 | 1 | 4 | |
| Dinocras | 156 | 2 | ||
| Isoperla | 140 | 3 | 1 | |
| Leuctra | 69 | 3 | 1 | 2 |
| Protonemura | 46 | 42 |