Listes faunistiques invertébrés
Le Varayrous à Vézins de Lévézou 05125863
- Télécharger la fiche IRSTEA xls / 619 ko
- Export SEEE csv / 9 ko
| Date prélèvement | 28/07/2021 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 18.0 |
| GFI | 8 |
| Variété taxonomique | 37 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 5.0 | dominant |
| Hydrophytes | ||
| Litieres | 2.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 30.0 | dominant |
| Blocs | 11.0 | dominant |
| Granulats | 3.0 | marginal |
| Helophytes | ||
| Vases | ||
| Sables | 45.0 | dominant |
| Algues | ||
| Dalles, argiles | 3.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Granulats | Lente | A |
| P4 | Dalles, argiles | Nulle | A |
| P5 | Bryophytes | Moyenne | B |
| P6 | Pierres, galets | Moyenne | B |
| P7 | Blocs | Moyenne | B |
| P8 | Sables | Nulle | B |
| P9 | Sables | Lente | C |
| P10 | Sables | Nulle | C |
| P11 | Pierres, galets | Lente | C |
| P12 | Sables | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 34 | 10 | 2 |
| Leuctridae | 66 | 5 | 2 | 3 |
| Protonemura | 46 | 148 | 5 | |
| Nemouridae | 20 | 1 | ||
| Isoperla | 140 | 1 | ||
| Micrasema | 268 | 3 | 16 | |
| Silo | 292 | 1 | ||
| Silo-lithax | 5219 | 1 | 1 | 1 |
| Goeridae | 286 | 2 | ||
| Hydropsyche | 212 | 2 | 6 | 5 |
| Hydropsychidae | 211 | 2 | ||
| Limnephilinae | 3163 | 1 | 2 | 1 |
| Philopotamus | 209 | 3 | 1 | |
| Polycentropus | 231 | 1 | ||
| Polycentropodidae | 223 | 4 | 1 | |
| Tinodes | 245 | 1 | ||
| Rhyacophila lato-sensu | 183 | 1 | 19 | 1 |
| Baetis lato sensu | 9794 | 7 | 25 | 7 |
| Caenis | 457 | 3 | ||
| Torleya major | 452 | 1 | ||
| Ephemera | 502 | 22 | 2 | 38 |
| Ecdyonurus | 421 | 1 | 4 | |
| Epeorus | 400 | 1 | ||
| Rhithrogena | 404 | 1 | ||
| Heptageniidae | 399 | 4 | 6 | 4 |
| Leptophlebiidae | 473 | 7 | 2 | |
| Colymbetinae | 2395 | 2 | ||
| Dupophilus | 620 | 1 | ||
| Elmis | 618 | 55 | 4 | |
| Esolus | 619 | 4 | 6 | |
| Limnius | 623 | 2 | ||
| Oulimnius | 622 | 3 | 3 | |
| Riolus | 625 | 2 | ||
| Hydraena | 608 | 5 | ||
| Athericidae | 838 | 6 | 3 | |
| Ceratopogonidae | 819 | 16 | ||
| Chironomidae | 807 | 218 | 235 | 217 |
| Dixidae | 793 | 3 | ||
| Empididae | 831 | 4 | 71 | 2 |
| Ephydridae | 844 | 1 | ||
| Limoniidae | 757 | 1 | ||
| Pediciidae | 50011 | 1 | 6 | 3 |
| Psychodidae | 783 | 5 | ||
| Ptychopteridae | 789 | 3 | 10 | |
| Simuliidae | 801 | 13 | 39 | 6 |
| Calopteryx | 650 | 9 | ||
| Cordulegaster | 687 | 1 | ||
| Sialis | 704 | 3 | ||
| Pacifastacus leniusculus | 873 | 3 | 2 | |
| Gammarus | 892 | 1 | ||
| Gammaridae | 887 | 1 | 5 | 1 |
| Copepoda | 3206 | 1 | ||
| Ostracoda | 3170 | 1 | 1 | |
| Hydracarina | 906 | 1 | 1 | 1 |
| Pisidium | 1043 | 18 | ||
| Sphaeriidae | 1042 | 1 | 1 | 10 |
| Oligochaeta | 933 | 6 | 15 | 43 |
| Nematoda | 1089 | 1 | 1 | 1 |