Listes faunistiques invertébrés
Le Varayrous à Vézins de Lévézou 05125863
- Télécharger la fiche IRSTEA xls / 116 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 21/07/2016 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 17.0 |
| GFI | 9 |
| Variété taxonomique | 30 |
| Taxon indicateur | Perlodidae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 6.0 | dominant |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 2.0 | marginal |
| Blocs | 1.0 | marginal |
| Granulats | 5.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 54.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 30.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Pierres, galets | Moyenne | A |
| P4 | Blocs | Lente | A |
| P5 | Bryophytes | Moyenne | B |
| P6 | Granulats | Lente | B |
| P7 | Sables | Lente | B |
| P8 | Dalles, argiles | Lente | B |
| P9 | Sables | Nulle | C |
| P10 | Sables | Lente | C |
| P11 | Sables | Nulle | C |
| P12 | Dalles, argiles | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 141 | 1 | |
| Protonemura | 46 | 157 | 184 | 2 |
| Perlidae | 155 | 1 | 1 | |
| Isoperla | 140 | 6 | 2 | |
| Perlodidae | 127 | 1 | 1 | |
| Micrasema | 268 | 1 | ||
| Silo | 292 | 5 | 2 | |
| Hydropsyche | 212 | 107 | 4 | 6 |
| Athripsodes | 311 | 1 | 1 | |
| Limnephilinae | 3163 | 32 | 1 | |
| Philopotamus | 209 | 1 | ||
| Polycentropus | 231 | 1 | ||
| Rhyacophila lato-sensu | 183 | 42 | 5 | 1 |
| Baetis | 364 | 33 | 145 | 40 |
| Ephemerella ignita | 451 | 10 | 2 | 2 |
| Ephemera | 502 | 1 | 17 | 6 |
| Ecdyonurus | 421 | 43 | 7 | 2 |
| Epeorus | 400 | 1 | ||
| Rhithrogena | 404 | 2 | ||
| Heptageniidae | 399 | 2 | 1 | |
| Habrophlebia | 491 | 2 | ||
| Leptophlebiidae | 473 | 2 | ||
| Dupophilus | 620 | 1 | ||
| Elmis | 618 | 13 | 10 | 1 |
| Esolus | 619 | 1 | ||
| Oulimnius | 622 | 1 | ||
| Hydraena | 608 | 4 | ||
| Athericidae | 838 | 2 | ||
| Chironomidae | 807 | 214 | 91 | 65 |
| Empididae | 831 | 11 | 9 | 1 |
| Limoniidae | 757 | 52 | 15 | 12 |
| Simuliidae | 801 | 139 | 43 | 7 |
| Tabanidae | 837 | 1 | 1 | |
| Gammaridae | 887 | 1 | 1 | 1 |
| Pacifastacus leniusculus | 873 | 1 | ||
| Pisidium | 1043 | 6 | 4 | 1 |
| Oligochaeta | 933 | 175 | 8 | 35 |
| Nemathelmintha | 3111 | 3 | ||
| Hydracarina | 906 | 2 |