Listes faunistiques invertébrés
Le Grauzou au niveau de Montlaur 05145215
- Télécharger la fiche IRSTEA xls / 108 ko
- Export SEEE csv / 8 ko
| Date prélèvement | 26/06/2019 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 17.0 |
| GFI | 7 |
| Variété taxonomique | 38 |
| Taxon indicateur | Leuctridae |
| I2M2 | 0.5807 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 1.0 | marginal |
| Blocs | 1.0 | marginal |
| Granulats | 1.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 35.0 | dominant |
| Algues | 59.0 | dominant |
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Branchage, racines | Nulle | A |
| P2 | Pierres, galets | Nulle | A |
| P3 | Blocs | Nulle | A |
| P4 | Granulats | Nulle | A |
| P5 | Sables | Nulle | B |
| P6 | Algues | Lente | B |
| P7 | Sables | Lente | B |
| P8 | Algues | Moyenne | B |
| P9 | Sables | Moyenne | C |
| P10 | Algues | Nulle | C |
| P11 | Algues | Lente | C |
| P12 | Algues | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra geniculata | 33830 | 32 | ||
| Leuctra | 69 | 68 | 3 | |
| Goeridae | 286 | 3 | ||
| Cheumatopsyche | 221 | 1 | ||
| Hydropsyche | 212 | 2 | 1 | |
| Hydroptila | 200 | 33 | 23 | 72 |
| Athripsodes | 311 | 5 | 1 | |
| Mystacides | 312 | 2 | ||
| Polycentropus | 231 | 5 | ||
| Polycentropodidae | 223 | 4 | ||
| Psychomyia | 239 | 1 | ||
| Rhyacophila lato-sensu | 183 | 1 | 10 | |
| Baetis | 364 | 449 | 941 | 133 |
| Centroptilum | 383 | 40 | 80 | 2 |
| Caenis | 457 | 10 | 1 | |
| Ephemerella ignita | 451 | 3 | 2 | |
| Ecdyonurus | 421 | 5 | ||
| Heptageniidae | 399 | 2 | ||
| Habrophlebia | 491 | 1 | ||
| Ephoron | 496 | 1 | ||
| Micronecta | 719 | 5 | ||
| Gerris | 735 | 2 | ||
| Dryops | 613 | 4 | ||
| Hydroporinae | 2393 | 1 | ||
| Elmis | 618 | 1 | ||
| Esolus | 619 | 264 | 120 | 15 |
| Limnius | 623 | 8 | 4 | |
| Oulimnius | 622 | 56 | 64 | 2 |
| Riolus | 625 | 8 | ||
| Hydrocyphon | 637 | 1 | ||
| Helophorus | 604 | 2 | ||
| Hydrophilinae | 2517 | 3 | 6 | |
| Athericidae | 838 | 9 | ||
| Ceratopogonidae | 819 | 3 | 2 | 1 |
| Chironomidae | 807 | 112 | 584 | 304 |
| Dixidae | 793 | 1 | ||
| Hemerodromiinae | 3202 | 3 | 1 | |
| Ephydridae | 844 | 1 | ||
| Pediciini | 20537 | 16 | 2 | 1 |
| Simuliidae | 801 | 24 | 1 | |
| Tipulidae | 753 | 10 | 2 | |
| Boyeria | 670 | 11 | ||
| Calopteryx | 650 | 3 | ||
| Cordulegaster | 687 | 1 | ||
| Gomphus | 679 | 4 | ||
| Onychogomphus | 682 | 10 | 1 | 1 |
| Platycnemis | 657 | 1 | ||
| Gammarus | 892 | 6 | ||
| Copepoda | 3206 | 1 | ||
| Ostracoda | 3170 | 1 | 1 | 1 |
| Pacifastacus | 872 | 3 | ||
| Ancylus | 1028 | 1 | ||
| Potamopyrgus | 978 | 456 | 136 | 29 |
| Oligochaeta | 933 | 113 | 81 | 164 |
| Hydracarina | 906 | 21 | 80 | 44 |
| Hydra | 1077 | 1 | 1 |