Listes faunistiques invertébrés
La Lèze à Lézat-sur-Lèze 05165255
- Télécharger la fiche IRSTEA xls / 619 ko
- Export SEEE csv / 10 ko
| Date prélèvement | 27/06/2022 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 18.0 |
| GFI | 7 |
| Variété taxonomique | 41 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 1.0 | marginal |
| Blocs | ||
| Granulats | 40.0 | dominant |
| Helophytes | 1.0 | marginal |
| Vases | ||
| Sables | 55.0 | dominant |
| Algues | ||
| Dalles, argiles |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Pierres, galets | Lente | A |
| P2 | Helophytes | Lente | A |
| P3 | Sables | Nulle | B |
| P4 | Sables | Lente | B |
| P5 | Branchage, racines | Lente | A |
| P6 | Granulats | Lente | B |
| P7 | Sables | Nulle | C |
| P8 | Granulats | Moyenne | C |
| P9 | Sables | Moyenne | C |
| P10 | Granulats | Nulle | B |
| P11 | Litieres | Lente | A |
| P12 | Sables | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra geniculata | 33830 | 19 | ||
| Brachycentrus | 265 | 1 | ||
| Ecnomus | 249 | 1 | ||
| Hydropsyche | 212 | 5 | 1 | |
| Hydroptila | 200 | 9 | 4 | 2 |
| Ithytrichia | 198 | 5 | ||
| Hydroptilidae | 193 | 2 | ||
| Mystacides | 312 | 3 | 3 | 2 |
| Oecetis | 317 | 10 | 2 | 1 |
| Triaenodes | 314 | 1 | ||
| Cyrnus | 224 | 2 | ||
| Polycentropus | 231 | 1 | ||
| Polycentropodidae | 223 | 7 | ||
| Psychomyia pusilla | 240 | 2 | ||
| Baetis lato sensu | 9794 | 2 | ||
| Centroptilum luteolum | 384 | 8 | 2 | |
| Procloeon | 390 | 3 | 7 | 24 |
| Baetidae | 363 | 1 | ||
| Caenis | 457 | 2 | ||
| Ephemerella ignita | 451 | 5 | ||
| Ephemera | 502 | 1 | ||
| Ecdyonurus | 421 | 4 | ||
| Electrogena | 3181 | 2 | ||
| Heptageniidae | 399 | 1 | ||
| Choroterpes picteti | 475 | 18 | 3 | |
| Ephoron virgo | 497 | 137 | 22 | 41 |
| Aphelocheirus aestivalis | 2714 | 5 | 1 | |
| Micronecta | 719 | 1 | 420 | 43 |
| Gerridae | 734 | 1 | 1 | 1 |
| Hydrometra | 740 | 1 | ||
| Dryops | 613 | 6 | ||
| Esolus | 619 | 27 | 32 | 32 |
| Limnius | 623 | 1 | 2 | |
| Macronychus | 626 | 3 | ||
| Oulimnius | 622 | 13 | 1 | |
| Riolus | 625 | 1 | ||
| Stenelmis | 617 | 7 | ||
| Athericidae | 838 | 37 | 6 | 11 |
| Ceratopogonidae | 819 | 1 | 1 | |
| Chironomidae | 807 | 296 | 165 | 420 |
| Empididae | 831 | 2 | ||
| Limoniidae | 757 | 6 | ||
| Tabanidae | 837 | 2 | 5 | |
| Tipulidae | 753 | 1 | ||
| Boyeria irene | 671 | 1 | ||
| Gomphus | 679 | 2 | 1 | |
| Onychogomphus | 682 | 6 | 1 | |
| Gomphidae | 678 | 2 | 3 | |
| Platycnemis | 657 | 21 | ||
| Sialis | 704 | 4 | ||
| Gammarus | 892 | 1 | ||
| Gammaridae | 887 | 1 | ||
| Cladocera | 3127 | 1 | ||
| Copepoda | 3206 | 1 | ||
| Hydracarina | 906 | 1 | 1 | 1 |
| Corbicula | 1051 | 3 | 11 | 33 |
| Sphaeriidae | 1042 | 1 | ||
| Potamopyrgus antipodarum | 979 | 1 | 2 | 1 |
| Physa (sensu lato) | 997 | 6 | 3 | 1 |
| Physella | 19280 | 10 | ||
| Oligochaeta | 933 | 34 | 126 | 37 |
| Prostoma | 3110 | 1 | ||
| Nematoda | 1089 | 1 | 1 | |
| Hydrozoa | 3168 | 1 | ||
| Bryozoa | 1087 | 1 |