Listes faunistiques invertébrés
L'Ayroux à St Michel 05118900
- Télécharger la fiche IRSTEA xls / 2201 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 20/07/2016 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 12.0 |
| GFI | 5 |
| Variété taxonomique | 26 |
| Taxon indicateur | Hydroptilidae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | 4.0 | marginal |
| Branchage, racines | 19.0 | dominant |
| Pierres, galets | 4.0 | marginal |
| Blocs | ||
| Granulats | 37.0 | dominant |
| Helophytes | ||
| Vases | ||
| Sables | 23.0 | dominant |
| Algues | ||
| Dalles, argiles | 13.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Pierres, galets | Lente | A |
| P3 | Litieres | Nulle | A |
| P4 | Pierres, galets | Nulle | A |
| P5 | Branchage, racines | Lente | B |
| P6 | Granulats | Lente | B |
| P7 | Sables | Nulle | B |
| P8 | Dalles, argiles | Nulle | B |
| P9 | Granulats | Nulle | C |
| P10 | Granulats | Lente | C |
| P11 | Sables | Nulle | C |
| P12 | Branchage, racines | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydropsyche | 212 | 1 | 8 | 24 |
| Hydroptilidae | 193 | 1 | 1 | |
| Hydroptila | 200 | 1 | 2 | 10 |
| Mystacides | 312 | 31 | 2 | 17 |
| Polycentropodidae | 223 | 1 | ||
| Cyrnus | 224 | 3 | 1 | |
| Polycentropus | 231 | 1 | 7 | 1 |
| Baetis lato sensu | 9794 | 1 | 2 | 15 |
| Centroptilum | 383 | 1 | ||
| Ephemera | 502 | 1 | ||
| Heptageniidae | 399 | 1 | ||
| Ecdyonurus | 421 | 1 | 3 | |
| Leptophlebiidae | 473 | 1 | ||
| Habrophlebia | 491 | 1 | ||
| Gerris | 735 | 2 | ||
| Veliidae | 743 | 2 | ||
| Pomatinus | 611 | 2 | 1 | |
| Stenelmis | 617 | 1 | ||
| Athericidae | 838 | 3 | 2 | |
| Chironomidae | 807 | 113 | 44 | 48 |
| Dixidae | 793 | 1 | ||
| Limoniidae | 757 | 2 | 1 | |
| Simuliidae | 801 | 1 | 1 | 1 |
| Oxygastra | 691 | 1 | ||
| Onychogomphus | 682 | 2 | ||
| Calopteryx | 650 | 2 | 6 | 10 |
| Platycnemis | 657 | 3 | 6 | |
| Ostracoda | 3170 | 1 | ||
| Gammaridae | 887 | 4 | ||
| Gammarus | 892 | 1 | 1 | 4 |
| Sphaeriidae | 1042 | 1 | ||
| Potamopyrgus | 978 | 25 | 52 | 58 |
| Glossiphoniidae | 908 | 2 | 3 | |
| Oligochaeta | 933 | 19 | 14 | 10 |
| Nematoda | 1089 | 1 | ||
| Hydracarina | 906 | 1 | 1 | 1 |
| Hydrozoa | 3168 | 1 | 3 |