Listes faunistiques invertébrés
Le Varayrous à Vézins de Lévézou 05125863
- Télécharger la fiche IRSTEA xls / 45 ko
- Export SEEE csv / 8 ko
| Date prélèvement | 02/09/2015 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 18.0 |
| GFI | 9 |
| Variété taxonomique | 36 |
| Taxon indicateur | Perlodidae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 2.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 35.0 | dominant |
| Blocs | 10.0 | dominant |
| Granulats | 25.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 11.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 15.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Bryophytes | Lente | A |
| P3 | Litieres | Nulle | A |
| P4 | Branchage, racines | Lente | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Lente | B |
| P7 | Granulats | Lente | B |
| P8 | Sables | Nulle | B |
| P9 | Dalles, argiles | Moyenne | C |
| P10 | Pierres, galets | Lente | C |
| P11 | Pierres, galets | Nulle | C |
| P12 | Granulats | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Chloroperlidae | 169 | 1 | 1 | |
| Leuctra | 69 | 42 | 26 | 16 |
| Nemoura | 26 | 40 | 1 | 4 |
| Protonemura | 46 | 120 | 7 | 4 |
| Perlodidae | 127 | 9 | 3 | 1 |
| Micrasema | 268 | 11 | ||
| Silo | 292 | 3 | 3 | 3 |
| Goeridae | 286 | 3 | 6 | 6 |
| Hydropsyche | 212 | 20 | 40 | 6 |
| Ithytrichia | 198 | 1 | ||
| Athripsodes | 311 | 2 | 1 | |
| Oecetis | 317 | 1 | ||
| Limnephilinae | 3163 | 2 | 1 | |
| Polycentropus | 231 | 12 | 6 | 9 |
| Lype | 241 | 1 | 3 | |
| Psychomyia | 239 | 1 | 1 | |
| Tinodes | 245 | 2 | ||
| Rhyacophila lato-sensu | 183 | 4 | 3 | 1 |
| Baetis lato sensu | 9794 | 160 | 21 | 52 |
| Caenis | 457 | 2 | ||
| Ephemera | 502 | 9 | 96 | 10 |
| Ecdyonurus | 421 | 1 | 40 | 25 |
| Epeorus | 400 | 2 | 3 | |
| Rhithrogena | 404 | 36 | 5 | |
| Heptageniidae | 399 | 12 | 9 | |
| Habrophlebia | 491 | 2 | 2 | |
| Paraleptophlebia | 481 | 2 | 1 | |
| Leptophlebiidae | 473 | 22 | 3 | 9 |
| Platambus | 556 | 4 | ||
| Dupophilus | 620 | 2 | 3 | |
| Elmis | 618 | 78 | 7 | 6 |
| Esolus | 619 | 2 | 1 | |
| Oulimnius | 622 | 4 | 1 | |
| Hydraena | 608 | 1 | ||
| Athericidae | 838 | 1 | 2 | |
| Chironomidae | 807 | 192 | 100 | 44 |
| Dixidae | 793 | 1 | 1 | 3 |
| Empididae | 831 | 13 | 3 | 3 |
| Limoniidae | 757 | 2 | 21 | 4 |
| Psychodidae | 783 | 6 | 1 | |
| Simuliidae | 801 | 100 | 13 | 3 |
| Tabanidae | 837 | 2 | ||
| Calopteryx | 650 | 14 | ||
| Sialis | 704 | 1 | ||
| Gammarus | 892 | 5 | ||
| Copepoda | 3206 | 3 | 3 | |
| Pacifastacus | 872 | 2 | 1 | |
| Pisidium | 1043 | 2 | ||
| Ancylus | 1028 | 4 | ||
| Oligochaeta | 933 | 5 | 80 | 40 |
| Mermithoïdea | 3159 | 3 | ||
| Hydracarina | 906 | 3 |