Listes faunistiques invertébrés
L'Ayroux à St Michel 05118900
- Télécharger la fiche IRSTEA xls / 50 ko
- Export SEEE csv / 4 ko
| Date prélèvement | 31/07/2014 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 10.0 |
| GFI | 4 |
| Variété taxonomique | 21 |
| Taxon indicateur | Leptoceridae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 30.0 | dominant |
| Blocs | 0.0 | marginal |
| Granulats | 61.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 7.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 0.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Branchage, racines | Nulle | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Branchage, racines | Nulle | A |
| P4 | Branchage, racines | Nulle | A |
| P5 | Pierres, galets | Nulle | B |
| P6 | Granulats | Lente | B |
| P7 | Sables | Nulle | B |
| P8 | Granulats | Nulle | B |
| P9 | Granulats | Lente | C |
| P10 | Granulats | Nulle | C |
| P11 | Granulats | Lente | C |
| P12 | Pierres, galets | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydropsyche | 212 | 50 | 29 | 225 |
| Mystacides | 312 | 4 | ||
| Polycentropus | 231 | 4 | ||
| Elmis | 618 | 1 | 2 | |
| Oulimnius | 622 | 3 | 2 | |
| Stenelmis | 617 | 2 | 1 | |
| Hydraena | 608 | 2 | ||
| Hydrophilidae | 571 | 1 | ||
| Athericidae | 838 | 5 | ||
| Chironomidae | 807 | 13 | 12 | 13 |
| Limoniidae | 757 | 2 | 1 | |
| Stratiomyidae | 824 | 1 | ||
| Tipulidae | 753 | 1 | ||
| Boyeria | 670 | 4 | ||
| Calopteryx | 650 | 1 | ||
| Onychogomphus | 682 | 4 | 2 | 6 |
| Ostracoda | 3170 | 2 | ||
| Echinogammarus | 888 | 1 | ||
| Hydracarina | 906 | 1 | 1 | |
| Pisidium | 1043 | 2 | ||
| Potamopyrgus | 978 | 600 | 60 | 11 |
| Radix | 1004 | 2 | ||
| Planorbidae | 1009 | 1 | 1 | |
| Glossiphoniidae | 908 | 11 | ||
| Oligochaeta | 933 | 35 | 30 | |
| Hydrozoa | 3168 | 1 |