Listes faunistiques invertébrés
La Garonne en aval de Toulouse 05161000
- Télécharger la fiche IRSTEA xls / 67 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 17/07/2009 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 12.0 |
| GFI | 5 |
| Variété taxonomique | 27 |
| Taxon indicateur | Heptageniidae |
| I2M2 | 0.6390 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 2.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 56.0 | dominant |
| Blocs | 0.0 | marginal |
| Granulats | 0.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 1.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 40.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Hydrophytes | Lente | B1 |
| P2 | Hydrophytes | Lente | B1 |
| P3 | Branchage, racines | Nulle | B1 |
| P4 | Sables | Nulle | B1 |
| P5 | Pierres, galets | Lente | B2 |
| P6 | Dalles, argiles | Nulle | B2 |
| P7 | Pierres, galets | Nulle | B2 |
| P8 | Dalles, argiles | Lente | B2 |
| P9 | Pierres, galets | Moyenne | B3 |
| P10 | Dalles, argiles | Nulle | B3 |
| P11 | Pierres, galets | Lente | B3 |
| P12 | Dalles, argiles | Lente | B3 |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Cheumatopsyche | 221 | 3 | ||
| Polycentropus | 231 | 2 | 21 | 19 |
| Psychomyia | 239 | 9 | ||
| Rhyacophila lato-sensu | 183 | 3 | 9 | 7 |
| Baetis | 364 | 358 | 33 | 14 |
| Centroptilum | 383 | 11 | ||
| Procloeon | 390 | 3 | ||
| Caenis | 457 | 4 | 3 | 6 |
| Ephemerella | 450 | 10 | 2 | |
| Ecdyonurus | 421 | 6 | 4 | |
| Heptagenia | 443 | 7 | 1 | |
| Ephoron | 496 | 7 | 9 | |
| Potamanthus | 509 | 1 | 7 | 6 |
| Micronecta | 719 | 119 | ||
| Gerris | 735 | 1 | ||
| Esolus | 619 | 3 | 1 | |
| Limnius | 623 | 2 | 1 | |
| Macronychus | 626 | 2 | ||
| Oulimnius | 622 | 2 | 1 | |
| Stenelmis | 617 | 3 | 2 | |
| Haliplus | 518 | 3 | ||
| Athericidae | 838 | 1 | ||
| Ceratopogonidae | 819 | 3 | ||
| Chironomidae | 807 | 164 | 110 | 155 |
| Limoniidae | 757 | 7 | 2 | |
| Simuliidae | 801 | 1 | ||
| Tipulidae | 753 | 2 | ||
| Coenagrionidae | 658 | 3 | ||
| Echinogammarus | 888 | 66 | 16 | 13 |
| Gammarus | 892 | 6 | 2 | 2 |
| Asellidae | 880 | 2 | ||
| Atyaephyra | 861 | 14 | ||
| Corbicula | 1051 | 7 | 4 | |
| Acroloxus | 1033 | 1 | 13 | 22 |
| Radix | 1004 | 84 | 1 | 1 |
| Erpobdellidae | 928 | 6 | 6 | |
| Glossiphoniidae | 908 | 1 | ||
| Dugesiidae | 1055 | 1 | 3 | |
| Oligochaeta | 933 | 3 | 3 | 3 |
| Gordiaca | 5189 | 3 |