Listes faunistiques invertébrés
Le Litroux à Ravel 04033050
- Télécharger la fiche IRSTEA xls / 85 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 26/08/2014 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 14.0 |
| GFI | 7 |
| Variété taxonomique | 26 |
| I2M2 | 0.3556 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | ||
| Blocs | ||
| Granulats | 10.0 | dominant |
| Helophytes | ||
| Vases | ||
| Sables | 87.0 | dominant |
| Algues | ||
| Dalles, argiles |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Granulats | Lente | B |
| P3 | Sables | Lente | B |
| P4 | Sables | Lente | C |
| P5 | Branchage, racines | Nulle | A |
| P6 | Sables | Nulle | B |
| P7 | Sables | Nulle | C |
| P8 | Branchage, racines | Lente | A |
| P9 | Sables | Lente | B |
| P10 | Branchage, racines | Nulle | A |
| P11 | Sables | Nulle | C |
| P12 | Sables | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Chironomidae | 807 | 114 | 62 | 30 |
| Copepoda | 3206 | 1 | ||
| Ostracoda | 3170 | 1 | 1 | 1 |
| Stenophylacini-chaetopterygini | 3146 | 3 | ||
| Hydrophilinae | 2517 | 1 | ||
| Colymbetinae | 2395 | 8 | ||
| Dugesia | 1056 | 3 | ||
| Ancylus | 1028 | 1 | ||
| Lymnaeidae | 998 | 1 | ||
| Physa (sensu lato) | 997 | 1 | ||
| Potamopyrgus | 978 | 1 | 1 | |
| Oligochaeta | 933 | 21 | 22 | 34 |
| Hydracarina | 906 | 1 | 1 | 1 |
| Gammarus | 892 | 170 | 4 | 1 |
| Asellidae | 880 | 63 | 1 | 1 |
| Ceratopogonidae | 819 | 7 | 7 | 4 |
| Hydropsyche | 212 | 34 | 5 | |
| Simuliidae | 801 | 8 | ||
| Dixidae | 793 | 2 | 1 | |
| Limoniidae | 757 | 1 | 7 | 9 |
| Nepa | 726 | 1 | ||
| Cordulegaster | 687 | 2 | ||
| Platycnemis | 657 | 3 | ||
| Calopteryx | 650 | 62 | 9 | 1 |
| Limnius | 623 | 1 | 1 | |
| Esolus | 619 | 4 | ||
| Elmis | 618 | 9 | 1 | |
| Hydraena | 608 | 8 | ||
| Ephemera | 502 | 9 | ||
| Paraleptophlebia | 481 | 9 | ||
| Baetis | 364 | 13 | 30 | 3 |