Listes faunistiques invertébrés
Le Litroux à Ravel 04033050
- Télécharger la fiche IRSTEA xls / 26 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 19/07/2012 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 13.0 |
| GFI | 6 |
| Variété taxonomique | 28 |
| I2M2 | 0.2106 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 1.0 | marginal |
| Blocs | 0.0 | marginal |
| Granulats | 32.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 64.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Sables | Lente | B |
| P2 | Sables | Nulle | C |
| P3 | Branchage, racines | Nulle | A |
| P4 | Sables | Moyenne | B |
| P5 | Granulats | Moyenne | B |
| P6 | Sables | Moyenne | C |
| P7 | Sables | Nulle | C |
| P8 | Dalles, argiles | Lente | A |
| P9 | Litieres | Nulle | A |
| P10 | Sables | Lente | C |
| P11 | Pierres, galets | Lente | A |
| P12 | Granulats | Lente | B |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Gammarus | 892 | 345 | 8 | 1 |
| Simulium | 806 | 3 | ||
| Chironomidae | 807 | 92 | 105 | 116 |
| Ceratopogoninae | 822 | 1 | ||
| Tabanidae | 837 | 3 | 3 | 1 |
| Atrichops | 840 | 1 | ||
| Orconectes | 870 | 1 | ||
| Asellidae | 880 | 410 | 5 | 1 |
| Gammaridae | 887 | 272 | 24 | 7 |
| Dixa | 794 | 2 | 1 | |
| Hydracarina | 906 | 1 | 1 | 1 |
| Glossiphonia | 909 | 3 | ||
| Oligochaeta | 933 | 529 | 35 | 16 |
| Potamopyrgus | 978 | 17 | 10 | 8 |
| Sphaeriidae | 1042 | 194 | 3 | 64 |
| Pisidium | 1043 | 27 | 1 | 24 |
| Mermithoïdea | 3159 | 1 | 1 | |
| Succineidae | 20676 | 1 | ||
| Ephemera | 502 | 35 | 1 | |
| Polycentropus | 231 | 1 | ||
| Athripsodes | 311 | 1 | ||
| Mystacides | 312 | 1 | ||
| Baetidae | 363 | 1 | ||
| Baetis | 364 | 18 | 44 | 11 |
| Heptageniidae | 399 | 1 | ||
| Ephemerella ignita | 451 | 29 | 4 | 3 |
| Paraleptophlebia | 481 | 1 | ||
| Hydropsyche | 212 | 7 | 1 | 1 |
| Hydraena | 608 | 1 | ||
| Elmis | 618 | 1 | ||
| Oulimnius | 622 | 16 | 2 | 1 |
| Limnius | 623 | 2 | ||
| Gerris | 735 | 2 | 1 | |
| Hydrometra | 740 | 2 | ||
| Dicranota | 765 | 7 | 15 | 8 |