Listes faunistiques invertébrés
La Loire à Villerest 04013000
- Télécharger la fiche IRSTEA xls / 28 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 20/08/2009 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 13.0 |
| GFI | 5 |
| Variété taxonomique | 32 |
| I2M2 | 0.1701 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 8.0 | dominant |
| Hydrophytes | 4.0 | marginal |
| Litieres | ||
| Branchage, racines | 0.1 | marginal |
| Pierres, galets | 58.2 | dominant |
| Blocs | 3.0 | marginal |
| Granulats | 10.0 | dominant |
| Helophytes | 0.1 | marginal |
| Vases | ||
| Sables | 0.5 | marginal |
| Algues | 16.0 | dominant |
| Dalles, argiles | 0.1 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Hydrophytes | Moyenne | B1 |
| P2 | Branchage, racines | Nulle | B1 |
| P3 | Blocs | Moyenne | B1 |
| P4 | Helophytes | Nulle | B1 |
| P5 | Bryophytes | Rapide | B2 |
| P6 | Pierres, galets | Moyenne | B2 |
| P7 | Granulats | Moyenne | B2 |
| P8 | Algues | Rapide | B2 |
| P9 | Pierres, galets | Lente | B3 |
| P10 | Pierres, galets | Nulle | B3 |
| P11 | Pierres, galets | Rapide | B3 |
| P12 | Algues | Moyenne | B3 |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydroptila | 200 | 9 | 2 | |
| Athripsodes | 311 | 1 | ||
| Neureclipsis | 236 | 2 | 1 | |
| Psychomyia | 239 | 1 | ||
| Baetis | 364 | 1 | ||
| Caenis | 457 | 15 | 97 | 32 |
| Potamanthus | 509 | 3 | 1 | |
| Micronecta | 719 | 4 | ||
| Corixinae | 5196 | 95 | ||
| Gerris | 735 | 4 | ||
| Dryops | 613 | 4 | ||
| Hydrophilinae | 2517 | 1 | 2 | |
| Anthomyidae | 847 | 2 | ||
| Chironomidae | 807 | 1540 | 1472 | 740 |
| Psychodidae | 783 | 1 | ||
| Simuliidae | 801 | 104 | 3 | 3 |
| Tipulidae | 753 | 1 | ||
| Crambidae | 2947 | 3 | ||
| Asellidae | 880 | 275 | 74 | 35 |
| Crangonyx | 5116 | 8 | 1 | |
| Gammaridae | 887 | 1 | ||
| Gammarus | 892 | 1 | ||
| Sphaeriidae | 1042 | 3 | 1 | |
| Sphaerium | 1044 | 21 | ||
| Bithynia | 994 | 15 | 1 | 3 |
| Potamopyrgus | 978 | 1 | ||
| Planorbidae | 1009 | 5 | ||
| Erpobdellidae | 928 | 15 | 125 | 264 |
| Glossiphoniidae | 908 | 29 | ||
| Piscicolidae | 918 | 1 | ||
| Dendrocoelidae | 1071 | 1 | 2 | |
| Dugesiidae | 1055 | 2 | 17 | 4 |
| Nematoda | 1089 | 3 | 22 | 3 |
| Oligochaeta | 933 | 33 | 11 | 13 |
| Hydracarina | 906 | 1 | 1 |