Listes faunistiques invertébrés
La Garonne en amont de l'Ariège 05174000
- Télécharger la fiche IRSTEA xls / 82 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 23/08/2010 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 14.0 |
| GFI | 8 |
| Variété taxonomique | 23 |
| Taxon indicateur | Brachycentridae |
| I2M2 | 0.5974 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 3.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 45.0 | dominant |
| Blocs | 0.0 | marginal |
| Granulats | 0.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 15.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 35.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Hydrophytes | Lente | B1 |
| P2 | Branchage, racines | Nulle | B1 |
| P3 | Hydrophytes | Moyenne | B1 |
| P4 | Branchage, racines | Lente | B1 |
| P5 | Pierres, galets | Lente | B2 |
| P6 | Sables | Nulle | B2 |
| P7 | Dalles, argiles | Lente | B2 |
| P8 | Pierres, galets | Moyenne | B2 |
| P9 | Pierres, galets | Nulle | B3 |
| P10 | Pierres, galets | Lente | B3 |
| P11 | Dalles, argiles | Moyenne | B3 |
| P12 | Pierres, galets | Rapide | B3 |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Oligoplectrum | 263 | 13 | 3 | 1 |
| Agapetus | 191 | 1 | ||
| Silo | 292 | 2 | ||
| Cheumatopsyche | 221 | 44 | 34 | 11 |
| Hydropsyche | 212 | 81 | 86 | 29 |
| Hydroptila | 200 | 5 | 3 | 6 |
| Lepidostoma | 305 | 3 | 1 | |
| Limnephilinae | 3163 | 1 | ||
| Polycentropus | 231 | 1 | ||
| Psychomyia | 239 | 1 | 23 | 44 |
| Rhyacophila lato-sensu | 183 | 8 | 21 | |
| Baetis | 364 | 1515 | 142 | 214 |
| Caenis | 457 | 7 | 1 | 2 |
| Ephemerella | 450 | 4 | 2 | 2 |
| Ecdyonurus | 421 | 21 | 12 | |
| Heptagenia | 443 | 4 | 18 | 4 |
| Ephoron | 496 | 1 | ||
| Aphelocheirus | 721 | 3 | 18 | 5 |
| Elmis | 618 | 1 | 6 | 6 |
| Esolus | 619 | 1 | 11 | 28 |
| Limnius | 623 | 22 | 48 | |
| Oulimnius | 622 | 3 | 1 | |
| Stenelmis | 617 | 4 | 16 | 29 |
| Blephariceridae | 747 | 3 | ||
| Chironomidae | 807 | 3 | 59 | 121 |
| Limoniidae | 757 | 3 | 1 | |
| Simuliidae | 801 | 575 | 39 | 4 |
| Echinogammarus | 888 | 525 | 19 | 97 |
| Gammarus | 892 | 1 | ||
| Corbicula | 1051 | 4 | 17 | |
| Ancylus | 1028 | 3 | 1 | |
| Theodoxus | 967 | 65 | 55 | 55 |