Listes faunistiques invertébrés
Le Varayrous à Vézins de Lévézou 05125863
- Télécharger la fiche IRSTEA xls / 619 ko
- Export SEEE csv / 9 ko
| Date prélèvement | 19/07/2022 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 19.0 |
| GFI | 9 |
| Variété taxonomique | 38 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | ||
| Litieres | 3.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 46.0 | dominant |
| Blocs | 5.0 | dominant |
| Granulats | 7.0 | dominant |
| Helophytes | ||
| Vases | ||
| Sables | 35.0 | dominant |
| Algues | ||
| Dalles, argiles | 2.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Nulle | A |
| P4 | Dalles, argiles | Lente | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Blocs | Lente | B |
| P7 | Granulats | Nulle | B |
| P8 | Sables | Nulle | B |
| P9 | Pierres, galets | Moyenne | C |
| P10 | Pierres, galets | Nulle | C |
| P11 | Sables | Nulle | C |
| P12 | Pierres, galets | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 24 | 29 | 25 |
| Nemoura | 26 | 13 | 5 | 1 |
| Protonemura | 46 | 56 | 8 | 12 |
| Isoperla | 140 | 3 | 1 | |
| Perlodes | 150 | 1 | ||
| Beraea | 328 | 1 | ||
| Micrasema | 268 | 6 | 1 | 1 |
| Glossosoma | 190 | 1 | ||
| Silo | 292 | 4 | 1 | |
| Silo-lithax | 5219 | 1 | 17 | 3 |
| Goeridae | 286 | 5 | 9 | 4 |
| Hydropsyche | 212 | 4 | 3 | 6 |
| Hydropsychidae | 211 | 2 | ||
| Oecetis | 317 | 1 | ||
| Limnephilinae | 3163 | 4 | 1 | |
| Philopotamus | 209 | 1 | ||
| Polycentropus | 231 | 7 | 11 | 10 |
| Polycentropodidae | 223 | 3 | 1 | |
| Lype | 241 | 3 | ||
| Tinodes | 245 | 1 | ||
| Rhyacophila lato-sensu | 183 | 8 | 4 | 9 |
| Baetis lato sensu | 9794 | 55 | 45 | 42 |
| Procloeon | 390 | 1 | ||
| Caenis | 457 | 7 | 36 | 22 |
| Ephemerella ignita | 451 | 3 | 3 | 1 |
| Torleya major | 452 | 1 | 1 | |
| Ephemera | 502 | 1 | 48 | 24 |
| Ecdyonurus | 421 | 7 | 21 | 28 |
| Electrogena | 3181 | 8 | ||
| Epeorus | 400 | 1 | ||
| Rhithrogena | 404 | 3 | ||
| Heptageniidae | 399 | 17 | 33 | 37 |
| Habrophlebia | 491 | 58 | ||
| Paraleptophlebia | 481 | 30 | ||
| Leptophlebiidae | 473 | 28 | 3 | 9 |
| Veliidae | 743 | 2 | ||
| Colymbetinae | 2395 | 1 | ||
| Dupophilus | 620 | 1 | 9 | |
| Elmis | 618 | 54 | 14 | 16 |
| Esolus | 619 | 2 | 12 | 13 |
| Limnius | 623 | 3 | ||
| Oulimnius | 622 | 2 | 1 | |
| Hydraena | 608 | 2 | ||
| Ceratopogonidae | 819 | 1 | 1 | |
| Chironomidae | 807 | 102 | 132 | 65 |
| Dixidae | 793 | 24 | 2 | |
| Empididae | 831 | 17 | 3 | 8 |
| Limoniidae | 757 | 7 | 1 | |
| Pediciidae | 50011 | 20 | 14 | |
| Simuliidae | 801 | 30 | 9 | 6 |
| Calopteryx | 650 | 1 | ||
| Sialis | 704 | 2 | 5 | 1 |
| Pacifastacus leniusculus | 873 | 11 | 3 | 4 |
| Gammarus | 892 | 7 | 1 | |
| Gammaridae | 887 | 11 | ||
| Copepoda | 3206 | 1 | 1 | 1 |
| Ostracoda | 3170 | 1 | 1 | |
| Hydracarina | 906 | 1 | 1 | 1 |
| Pisidium | 1043 | 40 | 5 | |
| Sphaeriidae | 1042 | 1 | 29 | 6 |
| Oligochaeta | 933 | 3 | 20 | 101 |
| Prostoma | 3110 | 1 |