Listes faunistiques invertébrés
La Malgoutte à Orleat 04429007
- Télécharger la fiche IRSTEA xls / 85 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 17/07/2017 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 14.0 |
| GFI | 7 |
| Variété taxonomique | 26 |
| I2M2 | 0.4262 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 1.0 | marginal |
| Blocs | ||
| Granulats | 36.0 | dominant |
| Helophytes | 1.0 | marginal |
| Vases | ||
| Sables | 60.0 | dominant |
| Algues | ||
| Dalles, argiles |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Pierres, galets | Moyenne | A |
| P4 | Helophytes | Lente | A |
| P5 | Granulats | Lente | B |
| P6 | Sables | Nulle | B |
| P7 | Granulats | Nulle | B |
| P8 | Sables | Lente | B |
| P9 | Sables | Nulle | C |
| P10 | Sables | Lente | C |
| P11 | Sables | Nulle | C |
| P12 | Granulats | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Gammarus | 892 | 268 | 150 | 80 |
| Nepidae | 725 | 1 | 1 | |
| Gerris | 735 | 2 | 5 | |
| Tipulidae | 753 | 1 | ||
| Limoniidae | 757 | 54 | 34 | 71 |
| Simuliidae | 801 | 1 | ||
| Chironomidae | 807 | 62 | 7 | 54 |
| Ceratopogonidae | 819 | 1 | ||
| Tabanidae | 837 | 2 | 1 | 4 |
| Micronecta | 719 | 5 | ||
| Hydracarina | 906 | 1 | ||
| Oligochaeta | 933 | 14 | 18 | 34 |
| Potamopyrgus | 978 | 1 | 2 | 3 |
| Pisidium | 1043 | 12 | 2 | 10 |
| Colymbetinae | 2395 | 2 | ||
| Hydrophilinae | 2517 | 4 | 1 | |
| Limnephilinae | 3163 | 18 | 1 | 8 |
| Rhyacophila lato-sensu | 183 | 3 | 1 | |
| Helodes | 636 | 1 | ||
| Limnius | 623 | 3 | 2 | |
| Oulimnius | 622 | 1 | ||
| Esolus | 619 | 2 | ||
| Elmis | 618 | 25 | 14 | |
| Hydraena | 608 | 14 | 2 | 2 |
| Ephemera | 502 | 4 | 9 | 10 |
| Centroptilum | 383 | 1 | 5 | |
| Baetis | 364 | 53 | 24 | 4 |
| Athripsodes | 311 | 1 | 1 | |
| Silo | 292 | 36 | 10 | 10 |
| Goeridae | 286 | 20 | 16 | 17 |
| Lype | 241 | 1 | ||
| Hydropsyche | 212 | 9 | 4 | |
| Hydropsychidae | 211 | 3 | 1 |