Listes faunistiques invertébrés
La Geune à Juillan 05234285
- Télécharger la fiche IRSTEA xls / 46 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 03/10/2023 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 12.0 |
| GFI | 7 |
| Variété taxonomique | 20 |
| I2M2 | 0.6680 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | ||
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 43.0 | dominant |
| Blocs | 3.0 | marginal |
| Granulats | 1.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | ||
| Sables | 1.0 | marginal |
| Algues | 49.0 | dominant |
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Pierres, galets | Lente | B |
| P2 | Algues | Nulle | B |
| P3 | Pierres, galets | Nulle | B |
| P4 | Algues | Lente | B |
| P5 | Blocs | Nulle | A |
| P6 | Branchage, racines | Nulle | A |
| P7 | Pierres, galets | Nulle | C |
| P8 | Algues | Nulle | C |
| P9 | Pierres, galets | Lente | C |
| P10 | Algues | Lente | C |
| P11 | Helophytes | Nulle | A |
| P12 | Granulats | Nulle | A |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Calopteryx | 650 | 1 | ||
| Baetis lato sensu | 9794 | 1 | ||
| Cambaridae | 2024 | 1 | 1 | |
| Dugesiidae | 1055 | 2 | 1 | 14 |
| Ancylus | 1028 | 1 | ||
| Oligochaeta | 933 | 13 | 9 | 2 |
| Erpobdellidae | 928 | 1 | ||
| Hydracarina | 906 | 4 | 1 | |
| Gammarus | 892 | 7 | 1 | 2 |
| Gammaridae | 887 | 8 | 1 | |
| Athericidae | 838 | 8 | 4 | 6 |
| Chironomidae | 807 | 10 | 9 | 7 |
| Simuliidae | 801 | 2 | ||
| Tipulidae | 753 | 2 | ||
| Onychogomphus | 682 | 3 | ||
| Platycnemis | 657 | 3 | ||
| Leuctra | 69 | 2 | 4 | 7 |
| Oulimnius | 622 | 1 | 2 | |
| Dupophilus | 620 | 2 | 1 | |
| Esolus | 619 | 1 | ||
| Elmis | 618 | 1 | 3 | |
| Stenelmis | 617 | 1 | ||
| Ephemera | 502 | 1 | ||
| Baetidae | 363 | 1 | 1 | |
| Mystacides | 312 | 1 | ||
| Tinodes | 245 | 1 | 1 | |
| Psychomyia | 239 | 1 | ||
| Polycentropodidae | 223 | 1 | 1 | |
| Hydropsyche | 212 | 1 | 1 | 1 |
| Hydroptila | 200 | 2 | 1 | |
| Rhyacophila lato-sensu | 183 | 1 |