Listes faunistiques invertébrés
Le Lez à Saint-Girons 05179500
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| Date prélèvement | 17/07/2019 |
|---|---|
| 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 | 1.0 | marginal |
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 40.0 | dominant |
| Blocs | 30.0 | dominant |
| Granulats | ||
| Helophytes | ||
| Vases | ||
| Sables | 1.0 | marginal |
| Algues | 1.0 | marginal |
| Dalles, argiles | 25.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Rapide | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Nulle | A |
| P4 | Sables | Nulle | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Moyenne | B |
| P7 | Dalles, argiles | Moyenne | B |
| P8 | Pierres, galets | Rapide | B |
| P9 | Pierres, galets | Lente | C |
| P10 | Blocs | Lente | C |
| P11 | Dalles, argiles | Lente | C |
| P12 | Pierres, galets | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 31 | 65 | 72 |
| Leuctra geniculata | 33830 | 19 | 2 | 35 |
| Protonemura | 46 | 1 | ||
| Perlidae | 155 | 2 | 1 | |
| Micrasema | 268 | 1 | 1 | |
| Oligoplectrum maculatum | 264 | 1 | ||
| Brachycentridae | 262 | 6 | 9 | 1 |
| Agapetus | 191 | 1 | ||
| Agapetinae | 9812 | 1 | 2 | |
| Hydropsyche | 212 | 3 | 19 | 5 |
| Hydropsychidae | 211 | 4 | ||
| Lepidostoma hirtum | 306 | 1 | ||
| Athripsodes | 311 | 7 | 3 | 4 |
| Mystacides | 312 | 2 | 3 | |
| Polycentropus | 231 | 1 | ||
| Polycentropodidae | 223 | 2 | 3 | |
| Psychomyia pusilla | 240 | 2 | 11 | 26 |
| Rhyacophila lato-sensu | 183 | 3 | 20 | 4 |
| Sericostomatidae | 321 | 1 | ||
| Baetis lato sensu | 9794 | 38 | 233 | 19 |
| Caenis | 457 | 2 | 3 | |
| Ephemerella ignita | 451 | 124 | 19 | 47 |
| Ecdyonurus | 421 | 7 | 15 | |
| Epeorus | 400 | 1 | ||
| Rhithrogena | 404 | 19 | 1 | |
| Heptageniidae | 399 | 9 | 3 | |
| Micronecta | 719 | 5 | 1 | 4 |
| Dupophilus | 620 | 167 | 5 | 1 |
| Elmis | 618 | 45 | 52 | 43 |
| Esolus | 619 | 9 | 17 | 27 |
| Limnius | 623 | 11 | 30 | 3 |
| Oulimnius | 622 | 1 | ||
| Riolus | 625 | 6 | ||
| Orectochilus | 515 | 2 | 1 | |
| Hydraena | 608 | 2 | ||
| Anthomyidae | 847 | 2 | ||
| Blephariceridae | 747 | 53 | ||
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 1803 | 32 | 62 |
| Empididae | 831 | 14 | 8 | 2 |
| Limoniidae | 757 | 1 | 20 | 2 |
| Psychodidae | 783 | 1 | ||
| Simuliidae | 801 | 8 | 206 | 3 |
| Tipulidae | 753 | 1 | ||
| Calopteryx | 650 | 1 | ||
| Osmylus | 854 | 1 | ||
| Gammarus | 892 | 1 | ||
| Asellidae | 880 | 1 | ||
| Pisidium | 1043 | 4 | ||
| Sphaeriidae | 1042 | 5 | ||
| Ancylus fluviatilis | 1029 | 1 | 1 | 8 |
| Bythinella | 992 | 1 | ||
| Potamopyrgus antipodarum | 979 | 1 | ||
| Hydrobiidae | 973 | 1 | ||
| Galba truncatula | 1002 | 3 | ||
| Oligochaeta | 933 | 10 | 6 | 9 |
| Nematoda | 1089 | 2 | 6 | 1 |
| Copepoda | 3206 | 2 | ||
| Hydracarina | 906 | 21 | 33 | 15 |