Listes faunistiques invertébrés
L'Ayroux à St Michel 05118900
- Télécharger la fiche IRSTEA xls / 29 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 05/09/2012 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 12.0 |
| GFI | 5 |
| Variété taxonomique | 27 |
| Taxon indicateur | Hydroptilidae |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 17.0 | dominant |
| Blocs | 0.0 | marginal |
| Granulats | 58.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 22.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 0.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Branchage, racines | Nulle | A |
| P4 | Litieres | Nulle | A |
| P5 | Pierres, galets | Nulle | B |
| P6 | Granulats | Nulle | B |
| P7 | Sables | Nulle | B |
| P8 | Granulats | Lente | B |
| P9 | Granulats | Nulle | C |
| P10 | Granulats | Lente | C |
| P11 | Granulats | Nulle | C |
| P12 | Sables | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydropsyche | 212 | 1 | 33 | 7 |
| Hydroptilidae | 193 | 3 | ||
| Hydroptila | 200 | 1 | ||
| Mystacides | 312 | 1 | 1 | 2 |
| Polycentropodidae | 223 | 1 | ||
| Cyrnus | 224 | 2 | 1 | |
| Baetidae | 363 | 2 | ||
| Baetis | 364 | 5 | ||
| Caenis | 457 | 1 | 2 | |
| Leptophlebiidae | 473 | 1 | ||
| Colymbetinae | 2395 | 1 | ||
| Elmis | 618 | 2 | ||
| Oulimnius | 622 | 1 | 1 | |
| Athericidae | 838 | 5 | 4 | 13 |
| Chironomidae | 807 | 216 | 80 | 160 |
| Culicidae | 796 | 1 | ||
| Limoniidae | 757 | 1 | ||
| Stratiomyidae | 824 | 1 | ||
| Tabanidae | 837 | 2 | ||
| Odonata | 648 | 10 | ||
| Boyeria | 670 | 1 | ||
| Calopteryx | 650 | 6 | ||
| Gomphidae | 678 | 1 | ||
| Platycnemis | 657 | 1 | ||
| Cladocera | 3127 | 1 | ||
| Copepoda | 3206 | 12 | ||
| Ostracoda | 3170 | 20 | 2 | 4 |
| Gammaridae | 887 | 2 | ||
| Hydracarina | 906 | 1 | ||
| Sphaeriidae | 1042 | 5 | ||
| Sphaerium | 1044 | 2 | 5 | 35 |
| Pisidium | 1043 | 4 | 6 | 13 |
| Bithynia | 994 | 10 | 2 | 7 |
| Potamopyrgus | 978 | 4416 | 8208 | 1072 |
| Physa | 23417 | 34 | 1 | 1 |
| Physella | 19280 | 3 | ||
| Planorbidae | 1009 | 6 | ||
| Glossiphoniidae | 908 | 16 | 11 | 20 |
| Oligochaeta | 933 | 7 | 52 | 320 |
| Nematoda | 1089 | 3 | 7 | |
| Bryozoa | 1087 | 1 |