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 | 08/08/2022 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 17.0 |
| GFI | 7 |
| Variété taxonomique | 37 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | 3.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 70.0 | dominant |
| Blocs | 17.0 | dominant |
| Granulats | 2.0 | marginal |
| Helophytes | ||
| Vases | ||
| Sables | 6.0 | dominant |
| Algues | ||
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Granulats | Nulle | A |
| P4 | Sables | Lente | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Blocs | Lente | B |
| P7 | Sables | Nulle | B |
| P8 | Pierres, galets | Moyenne | 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 | 69 | 5 | 12 | 79 |
| Leuctra geniculata | 33830 | 2 | 9 | |
| Perla | 164 | 2 | 2 | |
| Brachycentrus maculatus | 49101 | 2 | ||
| Goera pilosa | 288 | 3 | 3 | 2 |
| Silo | 292 | 7 | 8 | 17 |
| Silo-lithax | 5219 | 1 | 1 | 25 |
| Goeridae | 286 | 5 | ||
| Cheumatopsyche lepida | 222 | 14 | 66 | |
| Hydropsyche | 212 | 3 | 176 | 19 |
| Hydroptila | 200 | 2 | 4 | |
| Orthotrichia | 197 | 1 | ||
| Athripsodes | 311 | 2 | 6 | 12 |
| Mystacides | 312 | 9 | 23 | |
| Oecetis | 317 | 3 | 1 | |
| Leptoceridae | 310 | 1 | ||
| Cyrnus | 224 | 1 | 1 | |
| Polycentropus | 231 | 5 | 4 | |
| Lype | 241 | 1 | ||
| Psychomyia pusilla | 240 | 25 | 45 | 125 |
| Rhyacophila lato-sensu | 183 | 4 | 1 | |
| Baetis lato sensu | 9794 | 3 | 25 | |
| Centroptilum luteolum | 384 | 11 | ||
| Procloeon | 390 | 9 | 13 | 6 |
| Brachycercus | 468 | 1 | ||
| Caenis | 457 | 2 | 2 | 1 |
| Ephemerella ignita | 451 | 1 | ||
| Torleya major | 452 | 8 | 1 | 6 |
| Ephemera | 502 | 14 | 22 | 26 |
| Ecdyonurus | 421 | 2 | 5 | |
| Electrogena | 3181 | 2 | ||
| Heptagenia | 443 | 4 | ||
| Heptageniidae | 399 | 8 | ||
| Habrophlebia | 491 | 1 | ||
| Paraleptophlebia | 481 | 1 | 1 | 23 |
| Leptophlebiidae | 473 | 6 | 2 | |
| Potamanthus luteus | 510 | 1 | 6 | 4 |
| Aphelocheirus aestivalis | 2714 | 2 | 2 | |
| Colymbetinae | 2395 | 2 | ||
| Dupophilus | 620 | 2 | 27 | 20 |
| Elmis | 618 | 5 | 25 | 13 |
| Esolus | 619 | 42 | 63 | 113 |
| Oulimnius | 622 | 1 | ||
| Orectochilus | 515 | 1 | ||
| Athericidae | 838 | 3 | 15 | |
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 800 | 300 | |
| Empididae | 831 | 1 | ||
| Limoniidae | 757 | 3 | ||
| Tabanidae | 837 | 16 | ||
| Calopteryx | 650 | 13 | 1 | |
| Coenagrionidae | 658 | 1 | ||
| Gomphus | 679 | 2 | 6 | |
| Onychogomphus | 682 | 2 | ||
| Gomphidae | 678 | 2 | 5 | 3 |
| Platycnemis | 657 | 1 | ||
| Sialis | 704 | 2 | 1 | |
| Pacifastacus leniusculus | 873 | 1 | ||
| Crangonyx pseudogracilis | 5117 | 1 | 1 | |
| Gammarus | 892 | 2 | 2 | 5 |
| Gammaridae | 887 | 29 | 1 | 5 |
| Cladocera | 3127 | 1 | ||
| Copepoda | 3206 | 1 | 1 | |
| Hydracarina | 906 | 1 | 1 | |
| Corbicula | 1051 | 45 | 51 | 13 |
| Pisidium | 1043 | 1 | ||
| Ancylus fluviatilis | 1029 | 5 | 33 | |
| Branchiobdellidae | 3132 | 1 | ||
| Oligochaeta | 933 | 21 | 31 | |
| Dugesiidae | 1055 | 1 | ||
| Prostoma | 3110 | 1 | ||
| Hydrozoa | 3168 | 1 |