Listes faunistiques invertébrés
La Garonne à Bourret 05154250
- Télécharger la fiche IRSTEA xls / 82 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 24/07/2008 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 12.0 |
| GFI | 5 |
| Variété taxonomique | 27 |
| Taxon indicateur | Heptageniidae |
| I2M2 | 0.7040 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 35.0 | dominant |
| Litieres | 0.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 30.0 | dominant |
| Blocs | 0.0 | marginal |
| Granulats | 30.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 1.0 | marginal |
| Sables | 3.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 0.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Branchage, racines | Lente | B1 |
| P2 | Branchage, racines | Lente | B1 |
| P3 | Sables | Lente | B1 |
| P4 | Sables | Lente | B1 |
| P5 | Hydrophytes | Moyenne | B2 |
| P6 | Hydrophytes | Lente | B2 |
| P7 | Pierres, galets | Moyenne | B2 |
| P8 | Granulats | Lente | B2 |
| P9 | Hydrophytes | Lente | B3 |
| P10 | Hydrophytes | Lente | B3 |
| P11 | Pierres, galets | Lente | B3 |
| P12 | Granulats | Lente | B3 |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Cheumatopsyche | 221 | 2 | 1 | |
| Hydropsyche | 212 | 7 | 34 | 66 |
| Hydroptilidae | 193 | 1 | 2 | |
| Lepidostoma | 305 | 1 | ||
| Athripsodes | 311 | 1 | ||
| Mystacides | 312 | 1 | ||
| Polycentropus | 231 | 2 | 1 | |
| Psychomyia | 239 | 45 | 4 | |
| Baetis | 364 | 2952 | 736 | |
| Procloeon | 390 | 1 | ||
| Caenis | 457 | 1 | 1 | |
| Ecdyonurus | 421 | 4 | 8 | |
| Ephoron | 496 | 42 | 141 | |
| Potamanthus | 509 | 1 | ||
| Gerris | 735 | 2 | ||
| Dryops | 613 | 1 | ||
| Esolus | 619 | 1 | ||
| Limnius | 623 | 4 | 2 | |
| Stenelmis | 617 | 1 | ||
| Haliplus | 518 | 2 | ||
| Chironomidae | 807 | 39 | 99 | 16 |
| Simuliidae | 801 | 2088 | 638 | |
| Calopteryx | 650 | 1 | ||
| Coenagrionidae | 658 | 1 | ||
| Orthetrum | 698 | 1 | ||
| Echinogammarus | 888 | 155 | 29 | 14 |
| Asellidae | 880 | 46 | 2 | |
| Decapoda | 3140 | 1 | ||
| Corbicula | 1051 | 1 | 30 | 68 |
| Ancylus | 1028 | 1 | 28 | 51 |
| Radix | 1004 | 4 | 1 | |
| Physa (sensu lato) | 997 | 28 | 1 |