Listes faunistiques invertébrés
Lez (Paca) à Valréas 06117220
- Télécharger la fiche IRSTEA xls / 145 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 02/06/2015 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 17.0 |
| GFI | 9 |
| Variété taxonomique | 31 |
| I2M2 | 0.6507 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 79.0 | dominant |
| Blocs | 15.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 1.0 | marginal |
| Algues | 1.0 | marginal |
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Sables | Nulle | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Moyenne | A |
| P4 | Granulats | Nulle | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Pierres, galets | Lente | B |
| P7 | Pierres, galets | Nulle | B |
| P8 | Blocs | Moyenne | B |
| P9 | Pierres, galets | Moyenne | C |
| P10 | Pierres, galets | Lente | C |
| P11 | Pierres, galets | Nulle | C |
| P12 | Pierres, galets | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra geniculata | 33830 | 20 | 34 | 12 |
| Leuctra | 69 | 23 | 82 | 78 |
| Perla | 164 | 2 | ||
| Isoperla | 140 | 2 | 2 | |
| Hydropsyche | 212 | 23 | 7 | 1 |
| Hydroptila | 200 | 3 | ||
| Athripsodes | 311 | 15 | 3 | 10 |
| Leptoceridae | 310 | 1 | ||
| Polycentropus | 231 | 1 | 2 | 1 |
| Rhyacophila lato-sensu | 183 | 2 | 2 | |
| Sericostoma | 322 | 1 | 1 | |
| Acentrella | 5151 | 48 | 1 | |
| Alainites | 32269 | 7 | 24 | 2 |
| Baetis | 364 | 14 | 180 | 6 |
| Centroptilum | 383 | 1 | ||
| Procloeon | 390 | 7 | 1 | |
| Caenis | 457 | 27 | 9 | 7 |
| Ephemerella | 450 | 26 | 12 | 9 |
| Ephemera | 502 | 5 | 2 | 1 |
| Ecdyonurus | 421 | 11 | 26 | 61 |
| Electrogena | 3181 | 3 | 5 | 4 |
| Rhithrogena | 404 | 1 | ||
| Heptageniidae | 399 | 3 | 1 | |
| Choroterpes | 474 | 1 | 1 | |
| Leptophlebiidae | 473 | 1 | ||
| Oligoneuriella | 394 | 11 | 9 | 1 |
| Micronecta | 719 | 4 | 1 | 4 |
| Gerris | 735 | 2 | ||
| Pomatinus | 611 | 1 | ||
| Esolus | 619 | 8 | 8 | 22 |
| Hydrocyphon | 637 | 1 | ||
| Hydraena | 608 | 1 | ||
| Athericidae | 838 | 6 | ||
| Ceratopogoninae | 822 | 5 | 3 | |
| Chironomidae | 807 | 6026 | 10 | 23 |
| Limoniidae | 757 | 5 | 5 | |
| Simuliidae | 801 | 45 | ||
| Tipulidae | 753 | 2 | 3 | |
| Calopteryx | 650 | 2 | ||
| Onychogomphus | 682 | 9 | 1 | |
| Gammarus | 892 | 181 | 9 | 63 |
| Ostracoda | 3170 | 3 | ||
| Potamopyrgus | 978 | 1 | ||
| Oligochaeta | 933 | 1 | 4 | |
| Hydracarina | 906 | 3 | 3 |