Listes faunistiques invertébrés
La Garonne à Bourret 05154250
- Télécharger la fiche IRSTEA xls / 82 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 20/07/2009 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 14.0 |
| GFI | 5 |
| Variété taxonomique | 33 |
| Taxon indicateur | Heptageniidae |
| I2M2 | 0.8120 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 37.0 | dominant |
| Litieres | 0.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 38.0 | dominant |
| Blocs | 0.0 | marginal |
| Granulats | 20.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 1.0 | marginal |
| Sables | 1.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Branchage, racines | Nulle | B1 |
| P2 | Branchage, racines | Nulle | B1 |
| P3 | Vases | Nulle | B1 |
| P4 | Sables | Nulle | B1 |
| P5 | Pierres, galets | Lente | B2 |
| P6 | Hydrophytes | Lente | B2 |
| P7 | Granulats | Nulle | B2 |
| P8 | Pierres, galets | Nulle | B2 |
| P9 | Pierres, galets | Moyenne | B3 |
| P10 | Hydrophytes | Nulle | B3 |
| P11 | Granulats | Lente | B3 |
| P12 | Hydrophytes | Moyenne | B3 |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Euleuctra | 67 | 1 | ||
| Leuctra | 69 | 1 | ||
| Brachycentrus | 265 | 2 | ||
| Cheumatopsyche | 221 | 118 | 52 | |
| Hydropsyche | 212 | 1 | 186 | 41 |
| Lepidostoma | 305 | 1 | 1 | |
| Adicella | 320 | 2 | ||
| Athripsodes | 311 | 5 | ||
| Mystacides | 312 | 1 | ||
| Polycentropus | 231 | 1 | 7 | |
| Psychomyia | 239 | 106 | 97 | |
| Rhyacophila lato-sensu | 183 | 2 | 4 | |
| Baetis | 364 | 393 | 233 | |
| Cloeon | 387 | 7 | ||
| Caenis | 457 | 166 | 7 | |
| Ephemerella | 450 | 10 | 1 | |
| Ecdyonurus | 421 | 1 | 8 | 7 |
| Electrogena | 3181 | 2 | ||
| Heptagenia | 443 | 21 | 32 | |
| Ephoron | 496 | 4 | 62 | 13 |
| Potamanthus | 509 | 5 | ||
| Aphelocheirus | 721 | 2 | ||
| Gerris | 735 | 4 | ||
| Nepa | 726 | 2 | ||
| Dryops | 613 | 1 | ||
| Hydroporinae | 2393 | 2 | ||
| Elmis | 618 | 1 | ||
| Limnius | 623 | 31 | 8 | |
| Stenelmis | 617 | 2 | 8 | 6 |
| Athericidae | 838 | 1 | ||
| Chironomidae | 807 | 1 | 75 | 61 |
| Simuliidae | 801 | 930 | 1816 | |
| Coenagrionidae | 658 | 2 | ||
| Orthetrum | 698 | 1 | ||
| Echinogammarus | 888 | 142 | 264 | 39 |
| Asellidae | 880 | 6 | ||
| Atyaephyra | 861 | 2 | 3 | 1 |
| Orconectes | 870 | 16 | ||
| Corbicula | 1051 | 5 | 3 | 5 |
| Pisidium | 1043 | 5 | ||
| Ancylus | 1028 | 33 | 38 | |
| Radix | 1004 | 6 | 5 | |
| Physa (sensu lato) | 997 | 1 |