Listes faunistiques invertébrés
Le Lignon-du-Velay à Tence 04003200
- Télécharger la fiche IRSTEA xls / 26 ko
- Export SEEE csv / 8 ko
| Date prélèvement | 19/08/2014 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 17.0 |
| GFI | 8 |
| Variété taxonomique | 33 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 1.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 45.0 | dominant |
| Blocs | 26.0 | dominant |
| Granulats | 0.0 | marginal |
| Helophytes | 2.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 4.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 19.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Pierres, galets | Rapide | B |
| P2 | Pierres, galets | Nulle | C |
| P3 | Dalles, argiles | Rapide | B |
| P4 | Pierres, galets | Moyenne | B |
| P5 | Pierres, galets | Lente | C |
| P6 | Hydrophytes | Lente | A |
| P7 | Blocs | Moyenne | B |
| P8 | Litieres | Nulle | A |
| P9 | Branchage, racines | Nulle | A |
| P10 | Dalles, argiles | Moyenne | C |
| P11 | Bryophytes | Nulle | A |
| P12 | Blocs | Rapide | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 4 | 31 | 6 |
| Micrasema | 268 | 8 | 8 | |
| Goeridae | 286 | 1 | ||
| Silo | 292 | 1 | ||
| Hydropsychidae | 211 | 21 | 10 | |
| Hydropsyche | 212 | 14 | 37 | |
| Hydroptila | 200 | 1 | ||
| Mystacides | 312 | 2 | 1 | |
| Polycentropodidae | 223 | 8 | 1 | 4 |
| Cyrnus | 224 | 2 | ||
| Polycentropus | 231 | 4 | 8 | 3 |
| Psychomyiidae | 238 | 1 | ||
| Psychomyia | 239 | 8 | 37 | 53 |
| Rhyacophila lato-sensu | 183 | 3 | 7 | 9 |
| Baetis | 364 | 107 | 155 | 155 |
| Caenis | 457 | 1 | ||
| Ephemerella ignita | 451 | 1 | 4 | 4 |
| Torleya | 2391 | 2 | 1 | |
| Ephemera | 502 | 1 | 2 | |
| Heptageniidae | 399 | 1 | ||
| Ecdyonurus | 421 | 6 | 2 | |
| Epeorus | 400 | 2 | ||
| Rhithrogena | 404 | 1 | ||
| Paraleptophlebia | 481 | 1 | ||
| Platambus | 556 | 6 | 1 | |
| Dupophilus | 620 | 3 | ||
| Elmis | 618 | 2 | 5 | |
| Esolus | 619 | 1 | 10 | 4 |
| Limnius | 623 | 1 | ||
| Oulimnius | 622 | 1 | ||
| Stenelmis | 617 | 1 | ||
| Hydraena | 608 | 1 | 1 | |
| Atherix | 839 | 3 | 2 | |
| Chironomidae | 807 | 620 | 67 | 60 |
| Clinocerinae | 9813 | 1 | ||
| Antocha | 759 | 9 | 6 | |
| Dicranota | 765 | 2 | ||
| Simuliidae | 801 | 5 | 8 | 39 |
| Calopteryx | 650 | 3 | ||
| Gomphidae | 678 | 1 | ||
| Sialis | 704 | 7 | ||
| Copepoda | 3206 | 3 | ||
| Pacifastacus | 872 | 2 | ||
| Gammarus | 892 | 1 | ||
| Ancylus | 1028 | 6 | 67 | 61 |
| Sphaeriidae | 1042 | 1 | 1 | |
| Pisidium | 1043 | 1 | ||
| Erpobdellidae | 928 | 1 | 2 | |
| Helobdella | 912 | 5 | ||
| Oligochaeta | 933 | 21 | 28 | 23 |
| Nematoda | 1089 | 3 | 3 | |
| Hydracarina | 906 | 3 | 3 |