Listes faunistiques invertébrés
Le Laüs au niveau de Marciac 05234007
- Télécharger la fiche IRSTEA xls / 620 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 20/06/2019 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 16.0 |
| GFI | 7 |
| Variété taxonomique | 33 |
| Taxon indicateur | Beraeidae |
| I2M2 | 0.3445 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | 2.0 | marginal |
| Branchage, racines | 4.0 | marginal |
| Pierres, galets | 18.0 | dominant |
| Blocs | 1.0 | marginal |
| Granulats | 12.0 | dominant |
| Helophytes | ||
| Vases | ||
| Sables | 32.0 | dominant |
| Algues | 1.0 | marginal |
| Dalles, argiles | 30.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Blocs | Nulle | A |
| P4 | Algues | Nulle | A |
| P5 | Pierres, galets | Nulle | B |
| P6 | Granulats | Nulle | B |
| P7 | Sables | Nulle | B |
| P8 | Dalles, argiles | Nulle | B |
| P9 | Sables | Nulle | C |
| P10 | Dalles, argiles | Nulle | C |
| P11 | Sables | Nulle | C |
| P12 | Dalles, argiles | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Beraeodes minutus | 2379 | 3 | ||
| Hydroptila | 200 | 1 | ||
| Hydroptilidae | 193 | 1 | ||
| Mystacides | 312 | 1 | 2 | |
| Limnephilinae | 3163 | 1 | ||
| Centroptilum luteolum | 384 | 1 | 2 | |
| Caenis | 457 | 1 | ||
| Ephemerella ignita | 451 | 5 | 4 | |
| Habrophlebia | 491 | 1 | ||
| Notonectidae | 728 | 1 | ||
| Veliidae | 743 | 1 | ||
| Dryops | 613 | 1 | 1 | |
| Esolus | 619 | 1 | ||
| Oulimnius | 622 | 6 | 4 | 6 |
| Haliplus | 518 | 1 | 2 | |
| Hydrophilinae | 2517 | 1 | ||
| Athericidae | 838 | 2 | 5 | |
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 520 | 630 | 458 |
| Dixidae | 793 | 1 | ||
| Psychodidae | 783 | 1 | ||
| Tabanidae | 837 | 1 | ||
| Tipulidae | 753 | 2 | 1 | |
| Boyeria irene | 671 | 2 | ||
| Somatochlora | 693 | 6 | ||
| Corduliidae | 690 | 1 | ||
| Platycnemis | 657 | 1 | ||
| Sialis | 704 | 1 | 1 | |
| Pisidium | 1043 | 3 | 2 | 1 |
| Sphaeriidae | 1042 | 1 | 2 | |
| Unio | 1041 | 1 | ||
| Ancylus fluviatilis | 1029 | 1 | 4 | |
| Potamopyrgus antipodarum | 979 | 21 | 21 | 6 |
| Physa (sensu lato) | 997 | 7 | 1 | |
| Glossiphoniidae | 908 | 7 | ||
| Oligochaeta | 933 | 420 | 400 | 61 |
| Nematoda | 1089 | 1 | ||
| Hydracarina | 906 | 1 | 1 | 1 |
| Hydrozoa | 3168 | 1 | 1 | 1 |