Listes faunistiques invertébrés
Lirou à Beziers 2 06178014
- Télécharger la fiche IRSTEA xls / 76 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 03/05/2011 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 10.0 |
| GFI | 3 |
| Variété taxonomique | 26 |
| Taxon indicateur | Hydropsychidae |
| I2M2 | 0.2459 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | 1.0 | marginal |
| Litieres | ||
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 48.0 | dominant |
| Blocs | 6.0 | dominant |
| Granulats | 15.0 | dominant |
| Helophytes | 1.0 | marginal |
| Vases | ||
| Sables | 6.0 | dominant |
| Algues | 1.0 | marginal |
| Dalles, argiles | 20.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Hydrophytes | Moyenne | A |
| P2 | Branchage, racines | Lente | A |
| P3 | Helophytes | Lente | A |
| P4 | Algues | Moyenne | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Blocs | Moyenne | B |
| P7 | Granulats | Lente | B |
| P8 | Sables | Nulle | B |
| P9 | Pierres, galets | Moyenne | C |
| P10 | Pierres, galets | Nulle | C |
| P11 | Pierres, galets | Lente | C |
| P12 | Dalles, argiles | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydropsyche | 212 | 4 | 2 | |
| Baetis | 364 | 200 | 4 | 5 |
| Caenis | 457 | 130 | 126 | 60 |
| Serratella | 5152 | 1 | ||
| Micronecta | 719 | 3 | 30 | 37 |
| Hydrometra | 740 | 1 | ||
| Oulimnius | 622 | 5 | 6 | |
| Stenelmis | 617 | 1 | 1 | |
| Haliplus | 518 | 1 | ||
| Ochthebius | 609 | 1 | ||
| Anthomyidae | 847 | 9 | ||
| Chironomidae | 807 | 1600 | 400 | 650 |
| Dolichopodidae | 836 | 2 | ||
| Limoniidae | 757 | 1 | ||
| Psychodidae | 783 | 2 | 1 | |
| Simuliidae | 801 | 480 | 13 | 26 |
| Tabanidae | 837 | 1 | 1 | 3 |
| Tipulidae | 753 | 1 | ||
| Calopteryx | 650 | 1 | ||
| Onychogomphus | 682 | 1 | ||
| Asellidae | 880 | 100 | 6 | 7 |
| Gammaridae | 887 | 1 | ||
| Spongillidae | 3106 | 3 | ||
| Ostracoda | 3170 | 3 | 3 | |
| Hydracarina | 906 | 3 | 3 | 3 |
| Corbicula | 1051 | 2 | ||
| Sphaeriidae | 1042 | 3 | 2 | |
| Gastropoda | 5123 | 1 | ||
| Ancylus | 1028 | 1 | ||
| Bithynia | 994 | 2 | 1 | |
| Potamopyrgus | 978 | 1 | ||
| Erpobdellidae | 928 | 1 | 1 | |
| Oligochaeta | 933 | 1800 | 35 | 70 |
| Dugesiidae | 1055 | 1 | 1 | |
| Prostoma | 3110 | 3 | ||
| Hydrozoa | 3166 | 3 | 3 | 3 |