Listes faunistiques invertébrés
Lez (Paca) à Valréas 06117220
- Télécharger la fiche IRSTEA xls / 75 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 23/07/2009 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 16.0 |
| GFI | 7 |
| Variété taxonomique | 33 |
| Taxon indicateur | Leuctridae |
| I2M2 | 0.6389 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 1.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 4.0 | marginal |
| Pierres, galets | 79.0 | dominant |
| Blocs | 6.0 | dominant |
| Granulats | 2.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 2.0 | marginal |
| Algues | 6.0 | dominant |
| Dalles, argiles | 0.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Hydrophytes | Nulle | B1 |
| P2 | Branchage, racines | Lente | B1 |
| P3 | Granulats | Lente | B1 |
| P4 | Sables | Lente | B1 |
| P5 | Pierres, galets | Moyenne | B2 |
| P6 | Blocs | Lente | B2 |
| P7 | Algues | Lente | B2 |
| P8 | Pierres, galets | Lente | B2 |
| P9 | Pierres, galets | Nulle | B3 |
| P10 | Blocs | Moyenne | B3 |
| P11 | Algues | Nulle | B3 |
| P12 | Pierres, galets | Moyenne | B3 |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Euleuctra | 67 | 6 | 4 | 12 |
| Leuctra | 69 | 344 | 208 | 208 |
| Perla | 164 | 1 | ||
| Hydropsyche | 212 | 4 | 15 | 15 |
| Hydroptila | 200 | 2 | 3 | |
| Athripsodes | 311 | 1 | ||
| Rhyacophila lato-sensu | 183 | 6 | 7 | |
| Baetidae | 363 | 3 | ||
| Baetis | 364 | 11 | 40 | 516 |
| Centroptilum | 383 | 1 | ||
| Caenis | 457 | 176 | 84 | 108 |
| Ephemerella | 450 | 11 | ||
| Heptageniidae | 399 | 17 | 104 | |
| Ecdyonurus | 421 | 85 | 38 | 312 |
| Epeorus | 400 | 16 | ||
| Choroterpes | 474 | 2 | ||
| Habrophlebia | 491 | 1 | ||
| Oligoneuriella | 394 | 2 | ||
| Micronecta | 719 | 464 | 21 | 8 |
| Dryops | 613 | 3 | 1 | |
| Pomatinus | 611 | 2 | ||
| Laccophilinae | 2394 | 1 | ||
| Elmis | 618 | 1 | 4 | 2 |
| Esolus | 619 | 13 | 12 | 10 |
| Limnius | 623 | 1 | 1 | |
| Oulimnius | 622 | 1 | ||
| Orectochilus | 515 | 1 | 1 | |
| Haliplus | 518 | 1 | ||
| Athericidae | 838 | 2 | 2 | |
| Chironomidae | 807 | 108 | 176 | 68 |
| Empididae | 831 | 3 | 2 | |
| Limoniidae | 757 | 4 | 3 | 1 |
| Simuliidae | 801 | 3 | 21 | 44 |
| Calopteryx | 650 | 19 | ||
| Gomphidae | 678 | 1 | 1 | |
| Onychogomphus | 682 | 3 | ||
| Branchiopoda | 2971 | 1 | ||
| Gammarus | 892 | 44 | 1 | 1 |
| Asellidae | 880 | 1 | ||
| Pisidium | 1043 | 15 | ||
| Potamopyrgus | 978 | 10 | 2 | |
| Physa (sensu lato) | 997 | 1 | ||
| Glossiphoniidae | 908 | 1 | ||
| Oligochaeta | 933 | 4 | 1 | |
| Hydracarina | 906 | 3 | 3 | 3 |