Listes faunistiques invertébrés
Le Varayrous à Vézins de Lévézou 05125863
- Télécharger la fiche IRSTEA xls / 29 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 25/07/2012 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 15.0 |
| GFI | 7 |
| Variété taxonomique | 29 |
| Taxon indicateur | Leuctridae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 2.0 | marginal |
| Hydrophytes | 1.0 | marginal |
| Litieres | 3.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 25.0 | dominant |
| Blocs | 2.0 | marginal |
| Granulats | 2.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 2.0 | marginal |
| Sables | 60.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 2.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Hydrophytes | Lente | A |
| P3 | Litieres | Lente | A |
| P4 | Branchage, racines | Lente | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Sables | Lente | B |
| P7 | Sables | Lente | B |
| P8 | Sables | Lente | B |
| P9 | Sables | Lente | C |
| P10 | Sables | Lente | C |
| P11 | Pierres, galets | Lente | C |
| P12 | Sables | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 116 | 2 | 2 |
| Nemoura | 26 | 2 | ||
| Protonemura | 46 | 1 | ||
| Perlodidae | 127 | 1 | 1 | |
| Goeridae | 286 | 1 | 1 | |
| Lithax | 289 | 1 | ||
| Hydropsyche | 212 | 1 | 6 | 6 |
| Limnephilinae | 3163 | 8 | ||
| Polycentropodidae | 223 | 10 | 9 | |
| Holocentropus | 235 | 1 | ||
| Polycentropus | 231 | 4 | 2 | |
| Rhyacophila lato-sensu | 183 | 1 | 1 | |
| Baetis | 364 | 864 | 90 | 7 |
| Caenis | 457 | 1 | 1 | |
| Ephemera | 502 | 4 | 5 | 5 |
| Ephemerella ignita | 451 | 18 | 1 | 3 |
| Ecdyonurus | 421 | 2 | 7 | 9 |
| Rhithrogena | 404 | 1 | ||
| Leptophlebiidae | 473 | 2 | ||
| Habrophlebia | 491 | 8 | 1 | |
| Dupophilus | 620 | 2 | ||
| Elmis | 618 | 3 | 3 | 1 |
| Esolus | 619 | 1 | ||
| Limnius | 623 | 1 | ||
| Hydraena | 608 | 1 | ||
| Chironomidae | 807 | 2305 | 148 | 48 |
| Empididae | 831 | 1 | 3 | |
| Limoniidae | 757 | 2 | 18 | 6 |
| Ptychopteridae | 789 | 7 | 2 | |
| Simuliidae | 801 | 1184 | 92 | 8 |
| Calopteryx | 650 | 3 | ||
| Copepoda | 3206 | 3 | ||
| Gammaridae | 887 | 1 | ||
| Gammarus | 892 | 2 | ||
| Pacifastacus | 872 | 7 | ||
| Hydracarina | 906 | 5 | 2 | 1 |
| Pisidium | 1043 | 4 | 7 | 6 |
| Ancylus | 1028 | 1 | 1 | |
| Oligochaeta | 933 | 3 | 256 | 248 |
| Nematoda | 1089 | 1 | 1 |