Listes faunistiques invertébrés
L'Ayroux à St Michel 05118900
- Télécharger la fiche IRSTEA xls / 646 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 30/07/2020 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 13.0 |
| GFI | 5 |
| Variété taxonomique | 31 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 3.0 | marginal |
| Branchage, racines | 7.0 | dominant |
| Pierres, galets | 2.0 | marginal |
| Blocs | 0.0 | marginal |
| Granulats | 61.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 26.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Pierres, galets | Lente | A |
| P3 | Dalles, argiles | Lente | A |
| P4 | Litieres | Nulle | A |
| P5 | Branchage, racines | 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 | Sables | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydropsyche | 212 | 3 | 11 | |
| Hydroptila | 200 | 1 | 2 | |
| Ceraclea | 313 | 1 | 2 | |
| Mystacides | 312 | 2 | ||
| Oecetis | 317 | 5 | 1 | |
| Cyrnus | 224 | 2 | ||
| Baetis lato sensu | 9794 | 20 | 29 | |
| Centroptilum | 383 | 2 | 6 | |
| Caenis | 457 | 13 | 5 | 2 |
| Ecdyonurus | 421 | 2 | 8 | |
| Hydrometra | 740 | 2 | ||
| Pomatinus | 611 | 2 | ||
| Oulimnius | 622 | 1 | 2 | 1 |
| Athericidae | 838 | 7 | 7 | 2 |
| Chironomidae | 807 | 32 | 115 | 280 |
| Dixidae | 793 | 2 | ||
| Empididae | 831 | 1 | 1 | |
| Simuliidae | 801 | 1 | 9 | |
| Stratiomyidae | 824 | 1 | ||
| Tipulidae | 753 | 1 | 5 | |
| Gomphidae | 678 | 4 | ||
| Onychogomphus | 682 | 3 | 1 | |
| Calopteryx | 650 | 3 | 1 | |
| Platycnemis | 657 | 16 | 1 | |
| Gammaridae | 887 | 1 | ||
| Gammarus | 892 | 1 | ||
| Pisidium | 1043 | 2 | 2 | |
| Bithynia | 994 | 3 | 30 | |
| Potamopyrgus | 978 | 213 | 430 | 235 |
| Physidae | 995 | 12 | 1 | |
| Planorbidae | 1009 | 1 | ||
| Glossiphoniidae | 908 | 1 | 2 | |
| Oligochaeta | 933 | 23 | 38 | 113 |
| Nematoda | 1089 | 1 | 1 | |
| Hydracarina | 906 | 1 | 2 | |
| Hydrozoa | 3168 | 1 |