Listes faunistiques invertébrés
La Garonne à Verdun / Garonne 05154500
- Télécharger la fiche IRSTEA xls / 82 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 17/07/2009 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 13.0 |
| GFI | 6 |
| Variété taxonomique | 27 |
| Taxon indicateur | Lepidostomatidae |
| I2M2 | 0.7110 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 1.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 88.0 | dominant |
| Blocs | 0.0 | marginal |
| Granulats | 5.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 5.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 0.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Hydrophytes | Nulle | B1 |
| P2 | Hydrophytes | Lente | B1 |
| P3 | Hydrophytes | Moyenne | B1 |
| P4 | Branchage, racines | Nulle | B1 |
| P5 | Pierres, galets | Lente | B2 |
| P6 | Granulats | Nulle | B2 |
| P7 | Sables | Nulle | B2 |
| P8 | Pierres, galets | Nulle | B2 |
| P9 | Pierres, galets | Moyenne | B3 |
| P10 | Granulats | Lente | B3 |
| P11 | Sables | Nulle | B3 |
| P12 | Pierres, galets | Lente | B3 |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Cheumatopsyche | 221 | 4 | 5 | |
| Hydropsyche | 212 | 6 | 16 | 17 |
| Lepidostoma | 305 | 3 | ||
| Adicella | 320 | 6 | 2 | |
| Psychomyia | 239 | 1 | ||
| Rhyacophila lato-sensu | 183 | 2 | ||
| Baetis | 364 | 1 | ||
| Procloeon | 390 | 3 | ||
| Caenis | 457 | 2 | 3 | 2 |
| Ephemerella | 450 | 3 | ||
| Ecdyonurus | 421 | 1 | 5 | |
| Ephoron | 496 | 1 | 9 | 4 |
| Potamanthus | 509 | 11 | 3 | 10 |
| Micronecta | 719 | 4 | 1 | |
| Corixinae | 5196 | 1 | ||
| Gerris | 735 | 1 | ||
| Dytiscinae | 2396 | 2 | 1 | |
| Hydroporinae | 2393 | 10 | ||
| Limnius | 623 | 5 | 5 | |
| Oulimnius | 622 | 1 | ||
| Stenelmis | 617 | 1 | 13 | 6 |
| Hydrophilinae | 2517 | 1 | ||
| Chironomidae | 807 | 178 | 7 | 32 |
| Tipulidae | 753 | 2 | ||
| Calopteryx | 650 | 2 | ||
| Coenagrionidae | 658 | 3 | ||
| Echinogammarus | 888 | 118 | 7 | 2 |
| Asellidae | 880 | 3 | ||
| Atyaephyra | 861 | 23 | 1 | |
| Corbicula | 1051 | 1 | 5 | 3 |
| Pisidium | 1043 | 2 | ||
| Ancylus | 1028 | 1 | ||
| Radix | 1004 | 3 | 1 | |
| Theodoxus | 967 | 1 | 1 |