Listes faunistiques invertébrés
Le Viaur à St-Just du Viaur 05125400
- Télécharger la fiche IRSTEA xls / 619 ko
- Export SEEE csv / 11 ko
| Date prélèvement | 07/07/2020 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 18.0 |
| GFI | 9 |
| Variété taxonomique | 33 |
| 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 | 61.0 | dominant |
| Blocs | 19.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | ||
| Sables | 9.0 | dominant |
| Algues | 1.0 | marginal |
| Dalles, argiles | 6.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Granulats | Lente | A |
| P4 | Helophytes | Lente | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Moyenne | B |
| P7 | Sables | Lente | B |
| P8 | Dalles, argiles | Lente | B |
| P9 | Pierres, galets | Lente | C |
| P10 | Pierres, galets | Rapide | C |
| P11 | Pierres, galets | Nulle | C |
| P12 | Pierres, galets | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 52 | 51 | 49 |
| Leuctra geniculata | 33830 | 6 | 2 | 11 |
| Perla | 164 | 1 | 4 | |
| Perlidae | 155 | 4 | 5 | |
| Perlodes | 150 | 1 | ||
| Oligoplectrum maculatum | 264 | 1 | 1 | |
| Agapetus | 191 | 1 | 3 | |
| Agapetinae | 9812 | 1 | ||
| Goera pilosa | 288 | 1 | ||
| Silo | 292 | 2 | 2 | |
| Silo-lithax | 5219 | 8 | 3 | |
| Goeridae | 286 | 4 | ||
| Cheumatopsyche lepida | 222 | 6 | 130 | 720 |
| Hydropsyche | 212 | 25 | 80 | 360 |
| Hydroptila | 200 | 5 | 1 | 1 |
| Hydroptilidae | 193 | 1 | 1 | 1 |
| Athripsodes | 311 | 1 | ||
| Mystacides | 312 | 3 | ||
| Oecetis | 317 | 1 | ||
| Limnephilinae | 3163 | 1 | 1 | |
| Cyrnus | 224 | 1 | ||
| Polycentropus | 231 | 1 | 3 | |
| Polycentropodidae | 223 | 3 | 1 | 3 |
| Lype | 241 | 1 | ||
| Psychomyia pusilla | 240 | 33 | 103 | 15 |
| Rhyacophila lato-sensu | 183 | 3 | 4 | 15 |
| Baetis lato sensu | 9794 | 59 | 54 | 106 |
| Centroptilum luteolum | 384 | 1 | 3 | |
| Procloeon | 390 | 3 | 5 | |
| Baetidae | 363 | 3 | ||
| Ephemerella ignita | 451 | 4 | 2 | 1 |
| Ephemera | 502 | 3 | ||
| Ecdyonurus | 421 | 7 | 2 | 22 |
| Electrogena | 3181 | 4 | ||
| Epeorus | 400 | 4 | ||
| Heptagenia | 443 | 6 | ||
| Rhithrogena | 404 | 6 | ||
| Heptageniidae | 399 | 6 | 4 | 32 |
| Paraleptophlebia | 481 | 1 | 2 | |
| Leptophlebiidae | 473 | 7 | 1 | 13 |
| Oligoneuriella | 394 | 3 | ||
| Micronecta | 719 | 2 | ||
| Dupophilus | 620 | 7 | 4 | 3 |
| Elmis | 618 | 2 | 2 | 10 |
| Esolus | 619 | 12 | 23 | 18 |
| Limnius | 623 | 2 | 2 | |
| Athericidae | 838 | 1 | 1 | 4 |
| Blephariceridae | 747 | 7 | ||
| Chironomidae | 807 | 873 | 133 | 66 |
| Empididae | 831 | 5 | 2 | 2 |
| Ephydridae | 844 | 4 | ||
| Limoniidae | 757 | 4 | 9 | 4 |
| Simuliidae | 801 | 40 | 25 | |
| Calopteryx | 650 | 3 | ||
| Onychogomphus | 682 | 2 | 1 | |
| Gomphidae | 678 | 3 | 2 | |
| Sialis | 704 | 1 | ||
| Gammarus | 892 | 205 | 8 | |
| Gammaridae | 887 | 389 | 1 | 2 |
| Pacifastacus leniusculus | 873 | 2 | 1 | |
| Corbicula | 1051 | 1 | ||
| Ancylus fluviatilis | 1029 | 3 | 35 | 51 |
| Xironogiton | 23599 | 4 | ||
| Cambarincola | 30951 | 3 | ||
| Dugesiidae | 1055 | 1 | ||
| Oligochaeta | 933 | 44 | 100 | 252 |
| Nematoda | 1089 | 1 | 1 | |
| Cladocera | 3127 | 1 | ||
| Copepoda | 3206 | 1 | ||
| Hydracarina | 906 | 1 | 1 | 1 |