Listes faunistiques invertébrés
La Morge à Saint-Ignat 04034000
- Télécharger la fiche IRSTEA xls / 26 ko
- Export SEEE csv / 4 ko
| Date prélèvement | 31/07/2012 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 11.0 |
| GFI | 5 |
| Variété taxonomique | 21 |
| I2M2 | 0.0633 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 2.0 | marginal |
| Blocs | 0.0 | marginal |
| Granulats | 27.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 68.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Sables | Nulle | B |
| P2 | Sables | Lente | B |
| P3 | Dalles, argiles | Nulle | A |
| P4 | Litieres | Nulle | A |
| P5 | Sables | Nulle | C |
| P6 | Branchage, racines | Lente | A |
| P7 | Sables | Nulle | C |
| P8 | Sables | Moyenne | C |
| P9 | Granulats | Moyenne | B |
| P10 | Granulats | Lente | B |
| P11 | Pierres, galets | Lente | A |
| P12 | Granulats | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Chironomidae | 807 | 104 | 47 | |
| Ostracoda | 3170 | 1 | ||
| Polycelis | 1064 | 3 | ||
| Sphaerium | 1044 | 12 | ||
| Ancylus | 1028 | 14 | ||
| Bithynia | 994 | 4 | ||
| Potamopyrgus | 978 | 1 | 1 | 3 |
| Oligochaeta | 933 | 5 | 17 | |
| Erpobdellidae | 928 | 15 | 1 | |
| Hemiclepsis | 914 | 5 | ||
| Glossiphonia | 909 | 4 | 1 | 1 |
| Hydracarina | 906 | 1 | ||
| Gammarus | 892 | 15 | 71 | |
| Asellidae | 880 | 880 | 2 | |
| Leuctra | 69 | 1 | ||
| Psychodidae | 783 | 6 | ||
| Calopteryx | 650 | 3 | ||
| Oulimnius | 622 | 1 | ||
| Esolus | 619 | 1 | ||
| Elmis | 618 | 1 | ||
| Caenis | 457 | 4 | ||
| Ephemerella ignita | 451 | 48 | 7 | |
| Baetis | 364 | 146 | 45 | 11 |
| Mystacides | 312 | 3 | ||
| Hydropsyche | 212 | 78 | 9 | |
| Hydropsychidae | 211 | 288 | 33 | 35 |
| Hydroptila | 200 | 16 | 1 |