Listes faunistiques invertébrés
Le Lez à Saint-Girons 05179500
- Télécharger la fiche IRSTEA xls / 102 ko
- Export SEEE csv / 8 ko
| Date prélèvement | 26/07/2017 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 18.0 |
| GFI | 9 |
| Variété taxonomique | 34 |
| Taxon indicateur | Perlidae |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 63.0 | dominant |
| Blocs | 10.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 3.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 20.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Lente | A |
| P4 | Granulats | Lente | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Moyenne | B |
| P7 | Dalles, argiles | Moyenne | B |
| P8 | Pierres, galets | Lente | B |
| P9 | Pierres, galets | Rapide | C |
| P10 | Pierres, galets | Nulle | C |
| P11 | Pierres, galets | Moyenne | C |
| P12 | Pierres, galets | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 90 | 430 | 228 |
| Leuctra geniculata | 33830 | 10 | 23 | 12 |
| Perla | 164 | 4 | 2 | |
| Perlidae | 155 | 3 | ||
| Perlodidae | 127 | 2 | ||
| Oligoplectrum maculatum | 264 | 999 | 3910 | 3150 |
| Agapetus | 191 | 4 | 18 | 37 |
| Glossosoma | 190 | 2 | ||
| Silo-lithax | 5219 | 1 | 2 | 1 |
| Hydropsyche | 212 | 8 | 140 | 110 |
| Hydroptila | 200 | 2 | 1 | |
| Lepidostoma hirtum | 306 | 4 | ||
| Athripsodes | 311 | 15 | 5 | 3 |
| Polycentropus | 231 | 9 | 7 | 2 |
| Polycentropodidae | 223 | 1 | ||
| Psychomyia pusilla | 240 | 143 | 26 | |
| Rhyacophila lato-sensu | 183 | 4 | 67 | 19 |
| Sericostoma | 322 | 3 | 2 | 3 |
| Baetis lato sensu | 9794 | 84 | 204 | 129 |
| Caenis | 457 | 1 | ||
| Ephemerella ignita | 451 | 110 | 162 | 260 |
| Ephemera | 502 | 1 | ||
| Ecdyonurus | 421 | 2 | 7 | 47 |
| Rhithrogena | 404 | 1 | 10 | |
| Aphelocheirus aestivalis | 2714 | 1 | ||
| Pomatinus substriatus | 33844 | 8 | 1 | |
| Dupophilus | 620 | 34 | 15 | |
| Elmis | 618 | 46 | 241 | 99 |
| Esolus | 619 | 62 | 149 | 138 |
| Limnius | 623 | 19 | 34 | 46 |
| Oulimnius | 622 | 3 | 8 | |
| Riolus | 625 | 12 | ||
| Orectochilus | 515 | 2 | ||
| Athericidae | 838 | 1 | 10 | 2 |
| Blephariceridae | 747 | 8 | ||
| Ceratopogonidae | 819 | 1 | 1 | |
| Chironomidae | 807 | 195 | 460 | 270 |
| Empididae | 831 | 6 | 27 | 30 |
| Limoniidae | 757 | 4 | 100 | 115 |
| Simuliidae | 801 | 1 | 9 | |
| Boyeria irene | 671 | 1 | ||
| Sialis | 704 | 1 | ||
| Echinogammarus | 888 | 1 | ||
| Gammarus | 892 | 1 | ||
| Pisidium | 1043 | 1 | 1 | |
| Sphaeriidae | 1042 | 1 | ||
| Ancylus fluviatilis | 1029 | 3 | 4 | |
| Planariidae | 1061 | 3 | 1 | |
| Oligochaeta | 933 | 65 | 115 | 40 |
| Nemathelmintha | 3111 | 1 | 1 | 1 |
| Ostracoda | 3170 | 1 | ||
| Hydracarina | 906 | 1 | 1 | 1 |