Listes faunistiques invertébrés
Le Riou Mort à Decazeville 05093750
- Télécharger la fiche IRSTEA xls / 123 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 28/09/2023 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 12.0 |
| GFI | 6 |
| Variété taxonomique | 24 |
| I2M2 | 0.4913 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 2.0 | marginal |
| Branchage, racines | 10.0 | dominant |
| Pierres, galets | 47.0 | dominant |
| Blocs | 4.0 | marginal |
| Granulats | 2.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 25.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 10.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Blocs | Nulle | A |
| P3 | Granulats | Nulle | A |
| P4 | Blocs | Nulle | A |
| P5 | Branchage, racines | Nulle | B |
| P6 | Pierres, galets | Nulle | B |
| P7 | Sables | Nulle | B |
| P8 | Dalles, argiles | Nulle | B |
| P9 | Pierres, galets | Lente | C |
| P10 | Pierres, galets | Moyenne | C |
| P11 | Pierres, galets | Nulle | C |
| P12 | Sables | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Gomphus | 679 | 2 | 1 | |
| Physella | 19280 | 4 | 4 | |
| Dugesiidae | 1055 | 4 | ||
| Pisidium | 1043 | 1 | ||
| Ancylus | 1028 | 2 | ||
| Potamopyrgus | 978 | 7 | 4 | |
| Oligochaeta | 933 | 7 | 24 | 15 |
| Hydracarina | 906 | 1 | ||
| Asellidae | 880 | 10 | 44 | 9 |
| Athericidae | 838 | 11 | 9 | 7 |
| Tabanidae | 837 | 1 | 2 | |
| Chironomidae | 807 | 15 | 2 | 2 |
| Dicranota | 765 | 1 | 1 | |
| Sialis | 704 | 1 | ||
| Libellula | 697 | 1 | ||
| Onychogomphus | 682 | 12 | 3 | 21 |
| Hydropsyche | 212 | 9 | ||
| Gomphidae | 678 | 1 | 2 | |
| Boyeria | 670 | 1 | ||
| Coenagrionidae | 658 | 1 | ||
| Platycnemis | 657 | 8 | 36 | 1 |
| Calopteryx | 650 | 2 | 7 | |
| Oulimnius | 622 | 3 | 4 | 5 |
| Stenelmis | 617 | 1 | ||
| Dryops | 613 | 1 | ||
| Ephemera | 502 | 3 | 1 | |
| Caenis | 457 | 4 | 2 | 2 |
| Polycentropus | 231 | 1 | ||
| Cyrnus | 224 | 1 | 2 | |
| Polycentropodidae | 223 | 1 | ||
| Cheumatopsyche | 221 | 1 |