Listes faunistiques invertébrés
Le Viaur à St-Just du Viaur 05125400
- Télécharger la fiche IRSTEA xls / 619 ko
- Export SEEE csv / 10 ko
| Date prélèvement | 24/08/2021 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 20.0 |
| GFI | 9 |
| Variété taxonomique | 41 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 70.0 | dominant |
| Blocs | 15.0 | dominant |
| Granulats | 2.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | ||
| Sables | 7.0 | dominant |
| Algues | 1.0 | marginal |
| Dalles, argiles | 2.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Granulats | Nulle | A |
| P4 | Helophytes | Lente | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Moyenne | B |
| P7 | Sables | Nulle | B |
| P8 | Pierres, galets | Lente | B |
| P9 | Pierres, galets | Nulle | C |
| P10 | Pierres, galets | Rapide | C |
| P11 | Pierres, galets | Moyenne | C |
| P12 | Pierres, galets | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 9 | 22 | 200 |
| Leuctra geniculata | 33830 | 10 | ||
| Leuctridae | 66 | 1 | 5 | |
| Perla | 164 | 1 | 2 | 1 |
| Perlodes | 150 | 2 | 1 | 3 |
| Brachycentridae | 262 | 1 | ||
| Agapetus | 191 | 1 | ||
| Glossosoma | 190 | 1 | ||
| Silo | 292 | 4 | ||
| Silo-lithax | 5219 | 2 | 1 | 6 |
| Cheumatopsyche lepida | 222 | 23 | 960 | 1261 |
| Hydropsyche | 212 | 7 | 160 | 120 |
| Hydroptila | 200 | 2 | ||
| Hydroptilidae | 193 | 2 | ||
| Athripsodes | 311 | 1 | 1 | |
| Mystacides | 312 | 1 | ||
| Polycentropus | 231 | 3 | 2 | 1 |
| Psychomyia pusilla | 240 | 93 | 106 | |
| Rhyacophila lato-sensu | 183 | 24 | 11 | |
| Baetis lato sensu | 9794 | 43 | 25 | 51 |
| Centroptilum luteolum | 384 | 6 | 4 | |
| Procloeon | 390 | 2 | ||
| Baetidae | 363 | 4 | ||
| Ephemerella ignita | 451 | 2 | 1 | 5 |
| Torleya major | 452 | 2 | 1 | |
| Ephemera | 502 | 4 | ||
| Ecdyonurus | 421 | 2 | 1 | 11 |
| Electrogena | 3181 | 1 | ||
| Heptagenia | 443 | 1 | ||
| Heptageniidae | 399 | 4 | 1 | 9 |
| Paraleptophlebia | 481 | 5 | 5 | |
| Leptophlebiidae | 473 | 1 | ||
| Ephoron virgo | 497 | 1 | ||
| Aphelocheirus aestivalis | 2714 | 1 | 2 | 2 |
| Micronecta | 719 | 1 | ||
| Dryops | 613 | 1 | ||
| Dupophilus | 620 | 8 | 27 | 33 |
| Elmis | 618 | 2 | 7 | 22 |
| Esolus | 619 | 4 | 27 | 55 |
| Limnius | 623 | 2 | ||
| Oulimnius | 622 | 1 | 2 | 5 |
| Elmidae | 614 | 1 | ||
| Orectochilus | 515 | 2 | 4 | |
| Athericidae | 838 | 6 | 1 | 4 |
| Blephariceridae | 747 | 4 | 1 | |
| Ceratopogonidae | 819 | 1 | 1 | |
| Chironomidae | 807 | 431 | 528 | 497 |
| Empididae | 831 | 2 | 2 | |
| Ephydridae | 844 | 2 | ||
| Limoniidae | 757 | 1 | 7 | 15 |
| Simuliidae | 801 | 107 | 11 | |
| Tabanidae | 837 | 1 | ||
| Calopteryx | 650 | 2 | ||
| Gomphus | 679 | 10 | 1 | |
| Gomphidae | 678 | 4 | ||
| Pacifastacus leniusculus | 873 | 3 | ||
| Gammarus | 892 | 30 | 1 | |
| Gammaridae | 887 | 137 | ||
| Copepoda | 3206 | 1 | ||
| Hydracarina | 906 | 1 | 1 | 1 |
| Corbicula | 1051 | 1 | 6 | 1 |
| Ancylus fluviatilis | 1029 | 4 | 16 | 36 |
| Erpobdellidae | 928 | 1 | ||
| Oligochaeta | 933 | 4 | 126 | 35 |
| Dugesiidae | 1055 | 2 | ||
| Prostoma | 3110 | 1 | ||
| Nematoda | 1089 | 1 | ||
| Bryozoa | 1087 | 1 |