Listes faunistiques invertébrés
Le Lez à Saint-Girons 05179500
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| Date prélèvement | 20/09/2018 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 19.0 |
| GFI | 9 |
| Variété taxonomique | 38 |
| Taxon indicateur | Perlodidae |
| 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 | 70.0 | dominant |
| Blocs | 10.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 1.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 15.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Rapide | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Nulle | A |
| P4 | Granulats | Moyenne | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Moyenne | B |
| P7 | Dalles, argiles | Rapide | B |
| P8 | Pierres, galets | Rapide | B |
| P9 | Pierres, galets | Lente | C |
| P10 | Pierres, galets | Nulle | C |
| P11 | Pierres, galets | Moyenne | C |
| P12 | Pierres, galets | Rapide | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 38 | 32 | 46 |
| Leuctra geniculata | 33830 | 2 | 2 | |
| Protonemura | 46 | 5 | 1 | |
| Perla | 164 | 1 | ||
| Isoperla | 140 | 1 | ||
| Perlodes | 150 | 3 | 8 | |
| Perlodidae | 127 | 2 | 2 | |
| Micrasema | 268 | 63 | 68 | |
| Oligoplectrum maculatum | 264 | 1200 | 198 | 612 |
| Agapetus | 191 | 1 | ||
| Agapetus-synagapetus | 5218 | 14 | 16 | 168 |
| Glossosoma | 190 | 3 | 20 | |
| Glossosomatidae | 189 | 10 | ||
| Silo | 292 | 3 | 1 | |
| Silo-lithax | 5219 | 2 | 1 | |
| Hydropsyche | 212 | 27 | 31 | 22 |
| Lasiocephala | 307 | 3 | 1 | |
| Lepidostoma hirtum | 306 | 1 | ||
| Athripsodes | 311 | 6 | 7 | |
| Oecetis | 317 | 2 | ||
| Polycentropus | 231 | 1 | ||
| Polycentropodidae | 223 | 2 | ||
| Psychomyia pusilla | 240 | 1 | 1 | 15 |
| Rhyacophila lato-sensu | 183 | 8 | 3 | 6 |
| Sericostoma | 322 | 1 | ||
| Sericostomatidae | 321 | 2 | 3 | |
| Baetis lato sensu | 9794 | 26 | 71 | 26 |
| Centroptilum luteolum | 384 | 1 | ||
| Procloeon | 390 | 1 | ||
| Baetidae | 363 | 1 | ||
| Ephemerella ignita | 451 | 11 | 3 | 9 |
| Torleya major | 452 | 4 | 2 | 2 |
| Ephemera | 502 | 2 | 1 | |
| Ecdyonurus | 421 | 7 | 15 | |
| Epeorus | 400 | 1 | ||
| Rhithrogena | 404 | 91 | 39 | |
| Pomatinus substriatus | 33844 | 6 | ||
| Colymbetinae | 2395 | 6 | ||
| Dupophilus | 620 | 19 | ||
| Elmis | 618 | 657 | 127 | 144 |
| Esolus | 619 | 19 | 32 | 46 |
| Limnius | 623 | 37 | 53 | 41 |
| Riolus | 625 | 19 | ||
| Orectochilus | 515 | 3 | 2 | 1 |
| Hydraena | 608 | 3 | ||
| Hydrophilinae | 2517 | 1 | ||
| Athericidae | 838 | 2 | 2 | 1 |
| Blephariceridae | 747 | 2 | ||
| Chironomidae | 807 | 435 | 44 | 144 |
| Empididae | 831 | 4 | 5 | 7 |
| Limoniidae | 757 | 14 | 17 | 25 |
| Simuliidae | 801 | 5 | 7 | |
| Tipulidae | 753 | 3 | 1 | |
| Calopteryx | 650 | 2 | ||
| Gammarus | 892 | 14 | ||
| Asellidae | 880 | 1 | ||
| Pisidium | 1043 | 1 | ||
| Sphaeriidae | 1042 | 1 | ||
| Ancylus fluviatilis | 1029 | 1 | 7 | 5 |
| Lymnaeidae | 998 | 1 | ||
| Oligochaeta | 933 | 31 | 11 | 19 |
| Nematoda | 1089 | 1 | 1 | |
| Copepoda | 3206 | 1 | ||
| Ostracoda | 3170 | 1 | ||
| Hydracarina | 906 | 1 | 1 | 1 |