Listes faunistiques invertébrés
L'Ayroux à St Michel 05118900
- Télécharger la fiche IRSTEA xls / 100 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 22/08/2013 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 13.0 |
| GFI | 6 |
| Variété taxonomique | 27 |
| Taxon indicateur | Sericostomatidae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 4.0 | marginal |
| Branchage, racines | 4.0 | marginal |
| Pierres, galets | 45.0 | dominant |
| Blocs | 0.0 | marginal |
| Granulats | 40.0 | 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 | Litieres | Nulle | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Litieres | Nulle | A |
| P4 | Branchage, racines | Nulle | A |
| P5 | Pierres, galets | Nulle | B |
| P6 | Granulats | Nulle | B |
| P7 | Sables | Nulle | B |
| P8 | Pierres, galets | Nulle | B |
| P9 | Granulats | Lente | C |
| P10 | Pierres, galets | Nulle | C |
| P11 | Granulats | Nulle | C |
| P12 | Pierres, galets | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydropsyche | 212 | 11 | 37 | |
| Hydroptila | 200 | 8 | ||
| Mystacides | 312 | 1 | ||
| Cyrnus | 224 | 3 | 2 | |
| Polycentropus | 231 | 2 | ||
| Sericostoma | 322 | 4 | ||
| Baetis | 364 | 3 | 73 | |
| Caenis | 457 | 1 | 2 | |
| Ephemera | 502 | 2 | ||
| Ecdyonurus | 421 | 1 | ||
| Gerris | 735 | 1 | ||
| Colymbetinae | 2395 | 1 | ||
| Esolus | 619 | 3 | ||
| Oulimnius | 622 | 2 | 2 | 3 |
| Athericidae | 838 | 14 | 7 | 3 |
| Chironomidae | 807 | 140 | 75 | 58 |
| Dolichopodidae | 836 | 1 | ||
| Simuliidae | 801 | 1 | ||
| Tabanidae | 837 | 3 | 1 | 2 |
| Tipulidae | 753 | 2 | 1 | |
| Calopteryx | 650 | 31 | 3 | 1 |
| Gomphidae | 678 | 2 | ||
| Onychogomphus | 682 | 1 | ||
| Platycnemis | 657 | 6 | ||
| Gammarus | 892 | 3 | 3 | |
| Hydracarina | 906 | 4 | ||
| Pisidium | 1043 | 1 | 1 | |
| Ancylus | 1028 | 1 | ||
| Bithynia | 994 | 7 | ||
| Potamopyrgus | 978 | 34 | 28 | 24 |
| Glossiphoniidae | 908 | 3 | 5 | |
| Oligochaeta | 933 | 8 | 3 |