Listes faunistiques invertébrés
Le Vezan à Bresnay 04434004
- Télécharger la fiche IRSTEA xls / 26 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 13/07/2016 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 13.0 |
| GFI | 6 |
| Variété taxonomique | 28 |
| I2M2 | 0.3979 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 57.0 | dominant |
| Blocs | 2.0 | marginal |
| Granulats | 4.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 33.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 2.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Sables | Nulle | B |
| P3 | Sables | Nulle | C |
| P4 | Blocs | Nulle | A |
| P5 | Granulats | Nulle | A |
| P6 | Pierres, galets | Nulle | B |
| P7 | Pierres, galets | Nulle | C |
| P8 | Branchage, racines | Nulle | A |
| P9 | Pierres, galets | Lente | B |
| P10 | Pierres, galets | Lente | C |
| P11 | Pierres, galets | Moyenne | C |
| P12 | Sables | Lente | B |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Beraeodes | 329 | 1 | ||
| Goeridae | 286 | 1 | 1 | 3 |
| Athripsodes | 311 | 1 | 1 | |
| Halesus | 3186 | 2 | ||
| Stenophylacini-chaetopterygini | 3146 | 1 | ||
| Rhyacophila lato-sensu | 183 | 1 | 10 | |
| Baetis | 364 | 1 | 1 | |
| Centroptilum | 383 | 1 | ||
| Ephemera | 502 | 2 | 1 | 3 |
| Ecdyonurus | 421 | 3 | 9 | 11 |
| Leptophlebiidae | 473 | 1 | ||
| Platambus | 556 | 4 | ||
| Elmis | 618 | 1 | 4 | |
| Limnius | 623 | 1 | 12 | 10 |
| Oulimnius | 622 | 3 | 1 | |
| Helodes | 636 | 5 | ||
| Hydraena | 608 | 1 | ||
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 40 | 11 | 26 |
| Hexatoma | 773 | 1 | 1 | 1 |
| Pedicia | 763 | 1 | ||
| Dicranota | 765 | 5 | 16 | 20 |
| Tabanidae | 837 | 1 | ||
| Gerris | 735 | 2 | 1 | |
| Agriotypus | 1083 | 1 | ||
| Sialis | 704 | 12 | ||
| Osmylus | 854 | 1 | ||
| Asellidae | 880 | 73 | 2 | 4 |
| Gammarus | 892 | 316 | 341 | 322 |
| Ancylus | 1028 | 2 | 4 | |
| Sphaeriidae | 1042 | 2 | ||
| Erpobdellidae | 928 | 1 | ||
| Glossiphonia | 909 | 1 | 1 | |
| Oligochaeta | 933 | 13 | ||
| Gordiaca | 5189 | 3 | ||
| Hydracarina | 906 | 3 | 3 |