Listes faunistiques invertébrés
Le Laca à Gourgue 05234016
- Télécharger la fiche IRSTEA xls / 91 ko
- Export SEEE csv / 9 ko
| Date prélèvement | 03/08/2017 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 18.0 |
| GFI | 8 |
| Variété taxonomique | 38 |
| Taxon indicateur | Brachycentridae |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 2.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 50.0 | dominant |
| Blocs | 12.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 1.0 | marginal |
| Algues | 1.0 | marginal |
| Dalles, argiles | 32.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Pierres, galets | Nulle | C |
| P2 | Litieres | Nulle | A |
| P3 | Pierres, galets | Lente | B |
| P4 | Branchage, racines | Nulle | A |
| P5 | Blocs | Moyenne | B |
| P6 | Pierres, galets | Rapide | C |
| P7 | Dalles, argiles | Moyenne | B |
| P8 | Granulats | Nulle | A |
| P9 | Dalles, argiles | Lente | C |
| P10 | Pierres, galets | Moyenne | B |
| P11 | Dalles, argiles | Nulle | C |
| P12 | Sables | Nulle | A |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra geniculata | 33830 | 6 | 14 | 3 |
| Leuctra | 69 | 6 | 10 | 4 |
| Nemoura | 26 | 1 | 1 | |
| Perla | 164 | 1 | ||
| Brachycentrus | 265 | 3 | ||
| Agapetus | 191 | 1 | ||
| Goeridae | 286 | 1 | 1 | |
| Silo | 292 | 2 | 13 | 16 |
| Hydropsyche | 212 | 2 | 15 | |
| Lepidostoma | 305 | 2 | ||
| Mystacides | 312 | 1 | 1 | |
| Oecetis | 317 | 7 | 1 | |
| Stenophylacini-chaetopterygini | 3146 | 23 | 3 | 1 |
| Philopotamus | 209 | 4 | ||
| Polycentropodidae | 223 | 3 | ||
| Polycentropus | 231 | 3 | 5 | |
| Tinodes | 245 | 1 | ||
| Rhyacophila lato-sensu | 183 | 4 | 3 | |
| Sericostomatidae | 321 | 50 | 13 | 7 |
| Sericostoma | 322 | 35 | 5 | 1 |
| Baetis | 364 | 1 | 31 | 18 |
| Centroptilum | 383 | 1 | ||
| Ephemerella ignita | 451 | 6 | 6 | 12 |
| Ephemera | 502 | 56 | 8 | 2 |
| Heptageniidae | 399 | 2 | ||
| Pomatinus substriatus | 33844 | 1 | 2 | |
| Dupophilus | 620 | 1 | 20 | 25 |
| Elmis | 618 | 11 | 30 | 34 |
| Esolus | 619 | 13 | 84 | 263 |
| Limnius | 623 | 6 | 35 | 13 |
| Oulimnius | 622 | 10 | 2 | 261 |
| Riolus | 625 | 2 | ||
| Stenelmis | 617 | 1 | 3 | 6 |
| Orectochilus | 515 | 2 | ||
| Hydraena | 608 | 9 | 8 | |
| Ceratopogonidae | 819 | 7 | 2 | |
| Chironomidae | 807 | 91 | 4 | 50 |
| Dixa | 794 | 1 | ||
| Hemerodromiinae | 3202 | 1 | ||
| Antocha | 759 | 1 | ||
| Dicranota | 765 | 19 | 9 | |
| Simuliidae | 801 | 2 | ||
| Boyeria | 670 | 1 | ||
| Calopteryx | 650 | 4 | 2 | |
| Cordulegaster | 687 | 4 | 1 | |
| Gomphidae | 678 | 1 | 1 | |
| Onychogomphus | 682 | 7 | 1 | 1 |
| Agriotypus | 1083 | 2 | 7 | 1 |
| Copepoda | 3206 | 3 | ||
| Ostracoda | 3170 | 3 | 3 | |
| Gammaridae | 887 | 78 | 197 | 119 |
| Echinogammarus | 888 | 192 | 169 | 141 |
| Ancylus | 1028 | 39 | 23 | |
| Potamopyrgus | 978 | 210 | 51 | 89 |
| Physa (sensu lato) | 997 | 17 | 1 | |
| Physella | 19280 | 13 | 2 | |
| Sphaeriidae | 1042 | 4 | ||
| Pisidium | 1043 | 16 | 4 | |
| Dugesiidae | 1055 | 1 | 16 | 12 |
| Polycelis | 1064 | 1 | ||
| Oligochaeta | 933 | 138 | 207 | 47 |
| Hydracarina | 906 | 3 |