Listes faunistiques invertébrés
Le Tarn à l'amont de Millau 05147000
- Télécharger la fiche IRSTEA xls / 51 ko
- Export SEEE csv / 8 ko
| Date prélèvement | 29/08/2016 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 16.0 |
| GFI | 8 |
| Variété taxonomique | 31 |
| Taxon indicateur | Brachycentridae |
| I2M2 | 0.9220 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 4.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 79.0 | dominant |
| Blocs | 7.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 1.0 | marginal |
| Algues | 1.0 | marginal |
| Dalles, argiles | 5.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Lente | A |
| P2 | Hydrophytes | Lente | A |
| P3 | Branchage, racines | Nulle | A |
| P4 | Granulats | Lente | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Pierres, galets | Moyenne | B |
| P7 | Blocs | Lente | B |
| P8 | Dalles, argiles | Lente | B |
| P9 | Pierres, galets | Nulle | C |
| P10 | Pierres, galets | Rapide | C |
| P11 | Pierres, galets | Lente | C |
| P12 | Pierres, galets | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra geniculata | 33830 | 16 | 2 | |
| Leuctra | 69 | 656 | 289 | 100 |
| Micrasema | 268 | 5 | 2 | 3 |
| Cheumatopsyche | 221 | 132 | 64 | 23 |
| Hydropsyche | 212 | 12 | 16 | 8 |
| Hydroptila | 200 | 344 | 204 | 38 |
| Orthotrichia | 197 | 16 | ||
| Athripsodes | 311 | 3 | 21 | 3 |
| Mystacides | 312 | 6 | 1 | 4 |
| Chimarra | 207 | 2 | ||
| Polycentropus | 231 | 3 | ||
| Psychomyia | 239 | 1 | ||
| Tinodes | 245 | 1 | ||
| Baetis lato sensu | 9794 | 8 | ||
| Baetis | 364 | 152 | 368 | 184 |
| Centroptilum | 383 | 1 | ||
| Labiobaetis | 32271 | 72 | ||
| Procloeon | 390 | 8 | 8 | |
| Caenis | 457 | 5 | ||
| Ephemerella ignita | 451 | 5 | 2 | 2 |
| Ephemera | 502 | 5 | ||
| Ecdyonurus | 421 | 13 | 22 | |
| Heptagenia | 443 | 26 | 49 | |
| Rhithrogena | 404 | 3 | 8 | 24 |
| Heptageniidae | 399 | 8 | 2 | |
| Choroterpes | 474 | 31 | 7 | |
| Leptophlebiidae | 473 | 6 | ||
| Micronecta | 719 | 1 | ||
| Elmis | 618 | 80 | 8 | 4 |
| Esolus | 619 | 224 | 220 | 216 |
| Limnius | 623 | 8 | 4 | 20 |
| Normandia | 624 | 16 | 4 | 4 |
| Oulimnius | 622 | 192 | 20 | 56 |
| Riolus | 625 | 24 | 4 | |
| Orectochilus | 515 | 2 | ||
| Atherix | 839 | 2 | 1 | |
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 688 | 92 | 40 |
| Hemerodromiinae | 3202 | 13 | 13 | |
| Limoniini | 20393 | 3 | 8 | 1 |
| Calopteryx | 650 | 1 | ||
| Platycnemis | 657 | 1 | ||
| Sisyra | 856 | 3 | ||
| Gammarus | 892 | 408 | 44 | 10 |
| Copepoda | 3206 | 1 | 1 | |
| Ostracoda | 3170 | 1 | 1 | 1 |
| Pisidium | 1043 | 3 | ||
| Ancylus | 1028 | 1 | 1 | |
| Potamopyrgus | 978 | 1 | ||
| Theodoxus | 967 | 6 | 8 | |
| Helobdella | 912 | 1 | ||
| Oligochaeta | 933 | 44 | 9 | 23 |
| Dugesia | 1056 | 50 | 11 | 4 |
| Mermithoïdea | 3159 | 1 | ||
| Hydracarina | 906 | 1 | 1 | 1 |
| Porifera | 1090 | 1 |