Listes faunistiques invertébrés
Le Laüs au niveau de Marciac 05234007
- Télécharger la fiche IRSTEA xls / 646 ko
- Export SEEE csv / 9 ko
| Date prélèvement | 23/06/2020 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 18.0 |
| GFI | 7 |
| Variété taxonomique | 42 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | 2.0 | marginal |
| Branchage, racines | 3.0 | marginal |
| Pierres, galets | 15.0 | dominant |
| Blocs | 1.0 | marginal |
| Granulats | 30.0 | dominant |
| Helophytes | ||
| Vases | ||
| Sables | 20.0 | dominant |
| Algues | ||
| Dalles, argiles | 29.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Blocs | Nulle | A |
| P4 | Branchage, racines | Lente | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Granulats | Nulle | B |
| P7 | Sables | Nulle | B |
| P8 | Dalles, argiles | Nulle | B |
| P9 | Granulats | Lente | C |
| P10 | Dalles, argiles | Lente | C |
| P11 | Granulats | Nulle | C |
| P12 | Sables | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra geniculata | 33830 | 1 | ||
| Beraeodes minutus | 2379 | 6 | ||
| Goera pilosa | 288 | 1 | ||
| Hydropsyche | 212 | 2 | 4 | 1 |
| Hydropsychidae | 211 | 1 | ||
| Hydroptila | 200 | 1 | ||
| Hydroptilidae | 193 | 4 | ||
| Lepidostomatidae | 304 | 1 | ||
| Mystacides | 312 | 4 | ||
| Oecetis | 317 | 3 | 1 | |
| Psychomyia pusilla | 240 | 1 | ||
| Baetis lato sensu | 9794 | 2 | 3 | 1 |
| Centroptilum luteolum | 384 | 4 | 4 | 1 |
| Procloeon | 390 | 1 | 1 | |
| Procloeon bifidum | 391 | 1 | ||
| Baetidae | 363 | 5 | 2 | |
| Ephemerella ignita | 451 | 60 | 13 | 14 |
| Ephemera | 502 | 1 | 1 | |
| Ecdyonurus | 421 | 11 | 4 | |
| Heptageniidae | 399 | 2 | 1 | |
| Paraleptophlebia | 481 | 2 | ||
| Leptophlebiidae | 473 | 9 | 1 | |
| Gerris | 735 | 2 | 1 | |
| Hydrometra | 740 | 1 | 1 | |
| Nepidae | 725 | 3 | ||
| Dryops | 613 | 1 | ||
| Limnius | 623 | 1 | 1 | |
| Oulimnius | 622 | 35 | 4 | 4 |
| Hydraena | 608 | 1 | 4 | |
| Athericidae | 838 | 6 | 1 | 1 |
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 447 | 86 | 665 |
| Dixidae | 793 | 2 | ||
| Empididae | 831 | 1 | 3 | |
| Limoniidae | 757 | 2 | 4 | |
| Simuliidae | 801 | 2 | 4 | |
| Tipulidae | 753 | 1 | 1 | 2 |
| Boyeria irene | 671 | 2 | ||
| Somatochlora | 693 | 1 | 1 | 1 |
| Gomphidae | 678 | 1 | ||
| Platycnemis | 657 | 3 | ||
| Sialis | 704 | 3 | 1 | |
| Gammarus | 892 | 7 | ||
| Gammaridae | 887 | 4 | ||
| Niphargus | 902 | 3 | 1 | |
| Asellidae | 880 | 1 | ||
| Pisidium | 1043 | 4 | 1 | |
| Sphaeriidae | 1042 | 8 | ||
| Ancylus fluviatilis | 1029 | 4 | ||
| Potamopyrgus antipodarum | 979 | 18 | 8 | 5 |
| Hydrobiidae | 973 | 15 | 4 | 2 |
| Galba truncatula | 1002 | 1 | 1 | |
| Glossiphoniidae | 908 | 2 | ||
| Oligochaeta | 933 | 88 | 27 | 17 |
| Nematoda | 1089 | 1 | 1 | 1 |
| Copepoda | 3206 | 1 | 1 | |
| Hydracarina | 906 | 1 | 1 | 1 |
| Bryozoa | 1087 | 1 |