Listes faunistiques invertébrés
La Loire à Villerest 04013000
- Télécharger la fiche IRSTEA xls / 29 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 30/08/2011 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 13.0 |
| GFI | 4 |
| Variété taxonomique | 33 |
| I2M2 | 0.1572 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 20.0 | dominant |
| Litieres | 0.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 36.0 | dominant |
| Blocs | 10.0 | dominant |
| Granulats | 0.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 1.0 | marginal |
| Algues | 15.0 | dominant |
| Dalles, argiles | 15.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Pierres, galets | Nulle | C |
| P2 | Pierres, galets | Lente | C |
| P3 | Blocs | Lente | B |
| P4 | Bryophytes | Moyenne | A |
| P5 | Hydrophytes | Lente | C |
| P6 | Sables | Nulle | A |
| P7 | Branchage, racines | Nulle | A |
| P8 | Hydrophytes | Moyenne | B |
| P9 | Algues | Moyenne | B |
| P10 | Dalles, argiles | Lente | C |
| P11 | Pierres, galets | Moyenne | B |
| P12 | Helophytes | Nulle | A |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Agraylea | 201 | 2 | 3 | |
| Athripsodes | 311 | 6 | 6 | |
| Ceraclea | 313 | 2 | ||
| Cloeon | 387 | 63 | ||
| Caenis | 457 | 20 | 8 | 5 |
| Potamanthus | 509 | 2 | ||
| Haliplus | 518 | 3 | ||
| Hydrophilidae | 571 | 5 | ||
| Ceratopogoninae | 822 | 3 | ||
| Chironomidae | 807 | 493 | 840 | 410 |
| Anopheles | 797 | 2 | ||
| Ephydridae | 844 | 3 | 1 | |
| Simulium | 806 | 100 | ||
| Corixinae | 5196 | 99 | 5 | 6 |
| Micronecta | 719 | 2 | ||
| Sigara | 716 | 25 | 2 | |
| Coenagrionidae | 658 | 1 | ||
| Cordulegaster | 687 | 2 | ||
| Onychogomphus | 682 | 1 | ||
| Cladocera | 3127 | 3 | 3 | |
| Ostracoda | 3170 | 3 | ||
| Copepoda | 3206 | 3 | 3 | |
| Asellidae | 880 | 1300 | 4200 | 1500 |
| Crangonyx | 5116 | 115 | 7 | 6 |
| Gammarus | 892 | 1 | 1 | |
| Bithynia | 994 | 29 | 12 | 23 |
| Potamopyrgus | 978 | 140 | 8 | |
| Radix | 1004 | 1 | ||
| Planorbidae | 1009 | 1 | 1 | |
| Anisus | 1010 | 1 | ||
| Gyraulus | 1015 | 27 | 4 | |
| Hippeutis | 1020 | 6 | ||
| Valvata | 972 | 96 | 11 | 1 |
| Sphaeriidae | 1042 | 30 | ||
| Pisidium | 1043 | 63 | 1 | 1 |
| Sphaerium | 1044 | 51 | 1 | |
| Dendrocoelum | 1072 | 155 | 11 | 47 |
| Dugesia | 1056 | 402 | 292 | |
| Erpobdellidae | 928 | 14 | 61 | 31 |
| Helobdella | 912 | 61 | 185 | 116 |
| Theromizon | 3144 | 1 | ||
| Oligochaeta | 933 | 670 | 102 | 290 |
| Hydrozoa | 3168 | 3 | 3 | |
| Mermithoïdea | 3159 | 3 | 3 | |
| Hydracarina | 906 | 3 | 3 | 3 |