Listes faunistiques invertébrés
L'Alzou à Villefranche de Rouergue 05126060
- Télécharger la fiche IRSTEA xls / 117 ko
- Export SEEE csv / 10 ko
| Date prélèvement | 10/08/2016 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 20.0 |
| GFI | 9 |
| Variété taxonomique | 41 |
| Taxon indicateur | Perlidae |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 2.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 62.0 | dominant |
| Blocs | 3.0 | marginal |
| Granulats | 1.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 1.0 | marginal |
| Algues | 1.0 | marginal |
| Dalles, argiles | 28.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Nulle | A |
| P4 | Blocs | Nulle | A |
| P5 | Pierres, galets | Nulle | B |
| P6 | Dalles, argiles | Lente | B |
| P7 | Pierres, galets | Lente | B |
| P8 | Dalles, argiles | Nulle | B |
| P9 | Pierres, galets | Moyenne | C |
| P10 | Pierres, galets | Nulle | C |
| P11 | Pierres, galets | Lente | C |
| P12 | Pierres, galets | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Euleuctra geniculata | 68 | 1 | 26 | 5 |
| Leuctra | 69 | 15 | 36 | 31 |
| Perla | 164 | 5 | 1 | 6 |
| Oligoplectrum maculatum | 264 | 8 | 2 | 46 |
| Glossosoma | 190 | 2 | ||
| Glossosomatidae | 189 | 1 | 2 | 3 |
| Silo | 292 | 1 | 1 | 1 |
| Cheumatopsyche lepida | 222 | 16 | 1 | 36 |
| Hydropsyche | 212 | 186 | 7 | 88 |
| Hydroptila | 200 | 1 | ||
| Hydroptilidae | 193 | 2 | ||
| Mystacides | 312 | 6 | ||
| Oecetis | 317 | 1 | 1 | |
| Limnephilinae | 3163 | 1 | 1 | |
| Chimarra | 207 | 3 | 16 | |
| Cyrnus | 224 | 4 | 8 | 3 |
| Polycentropus | 231 | 8 | 21 | 24 |
| Lype | 241 | 1 | ||
| Psychomyia pusilla | 240 | 11 | 82 | 40 |
| Rhyacophila lato-sensu | 183 | 16 | 11 | |
| Baetis | 364 | 118 | 9 | 112 |
| Centroptilum | 383 | 12 | ||
| Cloeon | 387 | 24 | ||
| Procloeon | 390 | 6 | 5 | |
| Caenis | 457 | 15 | ||
| Ephemerella ignita | 451 | 4 | 1 | |
| Ephemera | 502 | 8 | 3 | 3 |
| Ecdyonurus | 421 | 9 | 10 | 65 |
| Electrogena | 3181 | 1 | ||
| Rhithrogena | 404 | 1 | ||
| Habrophlebia | 491 | 1 | ||
| Paraleptophlebia | 481 | 13 | 15 | 1 |
| Leptophlebiidae | 473 | 5 | 13 | 2 |
| Micronecta | 719 | 1 | ||
| Colymbetinae | 2395 | 12 | ||
| Elmis | 618 | 32 | 6 | 17 |
| Esolus | 619 | 25 | 20 | 29 |
| Normandia | 624 | 3 | ||
| Oulimnius | 622 | 7 | 3 | 2 |
| Riolus | 625 | 2 | ||
| Orectochilus villosus | 516 | 1 | ||
| Hydrophilidae | 571 | 2 | ||
| Athericidae | 838 | 5 | 1 | 2 |
| Blephariceridae | 747 | 1 | ||
| Chironomidae | 807 | 326 | 134 | 108 |
| Empididae | 831 | 4 | 2 | 4 |
| Limoniidae | 757 | 10 | 17 | 52 |
| Simuliidae | 801 | 31 | 80 | |
| Tabanidae | 837 | 1 | ||
| Calopteryx | 650 | 1 | ||
| Gomphus | 679 | 1 | 1 | |
| Onychogomphus | 682 | 1 | 4 | 1 |
| Gomphidae | 678 | 1 | ||
| Crangonyx | 5116 | 21 | 4 | 30 |
| Gammarus | 892 | 483 | 21 | 87 |
| Pacifastacus leniusculus | 873 | 1 | ||
| Pisidium | 1043 | 1 | ||
| Ancylus | 1028 | 19 | 11 | 28 |
| Potamopyrgus | 978 | 77 | 6 | 27 |
| Theodoxus | 967 | 3 | 4 | 30 |
| Physidae | 995 | 1 | ||
| Erpobdellidae | 928 | 1 | ||
| Dugesia | 1056 | 1 | ||
| Oligochaeta | 933 | 220 | 106 | 132 |
| Hydracarina | 906 | 8 | 6 | 7 |