Listes faunistiques invertébrés
Le Varayrous à Vézins de Lévézou 05125863
- Télécharger la fiche IRSTEA xls / 618 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 31/05/2023 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 18.0 |
| GFI | 9 |
| Variété taxonomique | 36 |
| I2M2 | 0.7386 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 15.0 | dominant |
| Hydrophytes | 0.0 | marginal |
| Litieres | 3.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 22.0 | dominant |
| Blocs | 20.0 | dominant |
| Granulats | 4.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 23.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 12.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Lente | A |
| P2 | Branchage, racines | Lente | A |
| P3 | Granulats | Lente | A |
| P4 | Granulats | Moyenne | A |
| P5 | Bryophytes | Moyenne | B |
| P6 | Pierres, galets | Moyenne | B |
| P7 | Blocs | Moyenne | B |
| P8 | Sables | Lente | B |
| P9 | Dalles, argiles | Moyenne | C |
| P10 | Sables | Moyenne | C |
| P11 | Pierres, galets | Lente | C |
| P12 | Blocs | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Gammarus | 892 | 6 | 6 | |
| Dupophilus | 620 | 2 | 1 | |
| Oulimnius | 622 | 3 | ||
| Cordulegaster | 687 | 1 | ||
| Limoniidae | 757 | 2 | 1 | |
| Psychodidae | 783 | 4 | 18 | 1 |
| Dixidae | 793 | 7 | ||
| Simuliidae | 801 | 7 | 33 | 22 |
| Chironomidae | 807 | 170 | 400 | 176 |
| Ceratopogonidae | 819 | 2 | ||
| Empididae | 831 | 27 | 23 | |
| Athericidae | 838 | 1 | 1 | 3 |
| Pacifastacus | 872 | 2 | 2 | |
| Esolus | 619 | 8 | 1 | 4 |
| Hydracarina | 906 | 1 | 1 | 1 |
| Oligochaeta | 933 | 165 | 26 | 27 |
| Bythinella | 992 | 1 | ||
| Pisidium | 1043 | 17 | 3 | 1 |
| Agriotypus | 1083 | 1 | ||
| Limnephilinae | 3163 | 11 | 7 | 10 |
| Serratella | 5152 | 14 | 35 | 37 |
| Silo-lithax | 5219 | 1 | ||
| Baetis lato sensu | 9794 | 46 | 320 | 352 |
| Agapetinae | 9812 | 4 | 4 | 12 |
| Pediciini | 20537 | 35 | 3 | 10 |
| Lype | 241 | 1 | ||
| Leuctra | 69 | 20 | 18 | 14 |
| Perlodidae | 127 | 2 | ||
| Isoperla | 140 | 3 | 7 | 8 |
| Perla | 164 | 1 | ||
| Siphonoperla | 174 | 1 | 1 | |
| Rhyacophila lato-sensu | 183 | 4 | 3 | |
| Philopotamus | 209 | 1 | 1 | |
| Hydropsychidae | 211 | 2 | ||
| Hydropsyche | 212 | 2 | ||
| Polycentropus | 231 | 1 | 1 | 1 |
| Psychomyia | 239 | 6 | 1 | |
| Protonemura | 46 | 5 | 122 | 86 |
| Tinodes | 245 | 2 | ||
| Goeridae | 286 | 1 | 1 | |
| Oecetis | 317 | 7 | 1 | |
| Epeorus | 400 | 16 | 1 | |
| Rhithrogena | 404 | 6 | 5 | 2 |
| Ecdyonurus | 421 | 6 | 21 | 22 |
| Leptophlebiidae | 473 | 30 | 3 | 13 |
| Paraleptophlebia | 481 | 1 | ||
| Ephemera | 502 | 91 | 7 | 20 |
| Hydraena | 608 | 1 | ||
| Elmis | 618 | 10 | 22 |