Listes faunistiques invertébrés
Le Riou Mort à Decazeville 05093750
- Télécharger la fiche IRSTEA xls / 32 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 24/09/2018 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 11.0 |
| GFI | 4 |
| Variété taxonomique | 25 |
| Taxon indicateur | Leptoceridae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | 3.0 | marginal |
| Branchage, racines | 5.0 | dominant |
| Pierres, galets | 58.0 | dominant |
| Blocs | 9.0 | dominant |
| Granulats | 3.0 | marginal |
| Helophytes | ||
| Vases | ||
| Sables | 15.0 | dominant |
| Algues | ||
| Dalles, argiles | 7.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Granulats | Nulle | A |
| P3 | Litieres | Nulle | A |
| P4 | Granulats | Nulle | A |
| P5 | Branchage, racines | Nulle | B |
| P6 | Pierres, galets | Nulle | B |
| P7 | Blocs | Nulle | B |
| P8 | Sables | Nulle | B |
| P9 | Dalles, argiles | Nulle | C |
| P10 | Pierres, galets | Moyenne | C |
| P11 | Pierres, galets | Lente | C |
| P12 | Pierres, galets | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Euleuctra geniculata | 68 | 1 | ||
| Hydropsyche | 212 | 4 | ||
| Hydropsychidae | 211 | 2 | ||
| Hydroptila | 200 | 1 | ||
| Mystacides | 312 | 5 | 4 | 3 |
| Cyrnus | 224 | 1 | ||
| Polycentropus | 231 | 2 | 1 | |
| Polycentropodidae | 223 | 1 | 1 | |
| Baetis | 364 | 2 | ||
| Caenis | 457 | 17 | 19 | 23 |
| Gerris | 735 | 1 | ||
| Dryops | 613 | 1 | ||
| Colymbetinae | 2395 | 2 | 1 | |
| Dupophilus | 620 | 1 | 2 | |
| Elmis | 618 | 2 | ||
| Esolus | 619 | 4 | ||
| Limnius | 623 | 1 | ||
| Oulimnius | 622 | 15 | 14 | 16 |
| Athericidae | 838 | 31 | 17 | 5 |
| Chironomidae | 807 | 94 | 27 | 85 |
| Limoniidae | 757 | 1 | 2 | |
| Simuliidae | 801 | 5 | ||
| Tabanidae | 837 | 1 | ||
| Tipulidae | 753 | 4 | 3 | 3 |
| Boyeria | 670 | 1 | 1 | |
| Calopteryx | 650 | 6 | 3 | 2 |
| Gomphus | 679 | 6 | 2 | 1 |
| Onychogomphus | 682 | 3 | 2 | 5 |
| Platycnemis | 657 | 3 | 14 | |
| Asellidae | 880 | 5 | 24 | 4 |
| Cladocera | 3127 | 8 | ||
| Copepoda | 3206 | 7 | 8 | 4 |
| Ostracoda | 3170 | 2 | 2 | 3 |
| Hydracarina | 906 | 1 | 1 | 11 |
| Ancylus | 1028 | 2 | 1 | |
| Potamopyrgus | 978 | 11 | 12 | 1 |
| Physa (sensu lato) | 997 | 3 | ||
| Oligochaeta | 933 | 13 | 44 | 11 |
| Dugesiidae | 1055 | 5 | ||
| Nemathelmintha | 3111 | 1 |