Listes faunistiques invertébrés
La Garonne en aval de la Pique 05183900
- Télécharger la fiche IRSTEA xls / 67 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 07/07/2009 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 15.0 |
| GFI | 8 |
| Variété taxonomique | 25 |
| Taxon indicateur | Brachycentridae |
| I2M2 | 0.6563 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 1.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 20.0 | dominant |
| Blocs | 57.0 | dominant |
| Granulats | 0.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 20.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 0.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Lente | B1 |
| P2 | Hydrophytes | Moyenne | B1 |
| P3 | Branchage, racines | Lente | B1 |
| P4 | Bryophytes | Moyenne | B1 |
| P5 | Blocs | Rapide | B2 |
| P6 | Pierres, galets | Nulle | B2 |
| P7 | Sables | Nulle | B2 |
| P8 | Blocs | Moyenne | B2 |
| P9 | Blocs | Lente | B3 |
| P10 | Pierres, galets | Lente | B3 |
| P11 | Sables | Nulle | B3 |
| P12 | Blocs | Nulle | B3 |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Dinocras | 156 | 1 | ||
| Perla | 164 | 1 | ||
| Oligoplectrum | 263 | 18 | 57 | 48 |
| Agapetus | 191 | 2 | 1 | |
| Glossosoma | 190 | 2 | 1 | |
| Goera | 287 | 1 | ||
| Lithax | 289 | 1 | ||
| Hydropsyche | 212 | 8 | 4 | |
| Athripsodes | 311 | 1 | ||
| Drusinae | 3120 | 3 | 3 | |
| Limnephilinae | 3163 | 3 | 4 | |
| Psychomyia | 239 | 2 | 1 | |
| Rhyacophila lato-sensu | 183 | 1 | 2 | |
| Sericostoma | 322 | 2 | 382 | 32 |
| Baetis | 364 | 31 | 14 | 9 |
| Ephemerella | 450 | 38 | 1 | 4 |
| Ephemera | 502 | 2 | ||
| Epeorus | 400 | 16 | ||
| Rhithrogena | 404 | 5 | 1 | |
| Hydroporinae | 2393 | 8 | 1 | |
| Elmis | 618 | 15 | 1 | 7 |
| Esolus | 619 | 1 | 1 | |
| Limnius | 623 | 6 | 4 | |
| Athericidae | 838 | 1 | ||
| Chironomidae | 807 | 47 | 585 | 118 |
| Limoniidae | 757 | 5 | 1 | |
| Simuliidae | 801 | 64 | 3 | |
| Pisidium | 1043 | 1 | 1 | |
| Acroloxus | 1033 | 2 | 2 | |
| Radix | 1004 | 7 | 1 | 1 |
| Planariidae | 1061 | 11 | 67 | 48 |
| Oligochaeta | 933 | 3 | 3 | 3 |
| Hydracarina | 906 | 3 |