Listes faunistiques invertébrés
Le Laüs au niveau de Marciac 05234007
- Télécharger la fiche IRSTEA xls / 619 ko
- Export SEEE csv / 8 ko
| Date prélèvement | 27/09/2021 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 16.0 |
| GFI | 7 |
| Variété taxonomique | 34 |
| 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 | 10.0 | dominant |
| Blocs | 1.0 | marginal |
| Granulats | 36.0 | dominant |
| Helophytes | ||
| Vases | ||
| Sables | 33.0 | dominant |
| Algues | ||
| Dalles, argiles | 15.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Lente | A |
| P3 | Blocs | Nulle | A |
| P4 | Branchage, racines | Nulle | A |
| P5 | Dalles, argiles | Nulle | B |
| P6 | Pierres, galets | Lente | B |
| P7 | Granulats | Lente | C |
| P8 | Sables | Nulle | B |
| P9 | Sables | Nulle | C |
| P10 | Granulats | Nulle | B |
| P11 | Granulats | Moyenne | C |
| P12 | Sables | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Goera pilosa | 288 | 1 | ||
| Goeridae | 286 | 1 | ||
| Hydropsyche | 212 | 8 | 11 | 8 |
| Mystacides | 312 | 11 | 2 | |
| Oecetis | 317 | 8 | ||
| Limnephilidae | 276 | 2 | ||
| Sericostoma | 322 | 2 | 1 | |
| Baetis lato sensu | 9794 | 1 | ||
| Centroptilum luteolum | 384 | 2 | ||
| Caenis | 457 | 5 | 1 | |
| Ephemera | 502 | 3 | 2 | 10 |
| Heptageniidae | 399 | 2 | ||
| Paraleptophlebia | 481 | 2 | ||
| Leptophlebiidae | 473 | 31 | 1 | |
| Dryops | 613 | 2 | ||
| Pomatinus substriatus | 33844 | 2 | ||
| Colymbetinae | 2395 | 2 | 1 | |
| Esolus | 619 | 1 | ||
| Limnius | 623 | 1 | ||
| Oulimnius | 622 | 72 | 8 | 16 |
| Hydraena | 608 | 1 | 2 | |
| Ochthebius | 609 | 1 | ||
| Athericidae | 838 | 38 | 3 | 4 |
| Chironomidae | 807 | 185 | 120 | 160 |
| Psychodidae | 783 | 7 | ||
| Tabanidae | 837 | 3 | ||
| Tipulidae | 753 | 1 | ||
| Boyeria irene | 671 | 3 | ||
| Calopteryx | 650 | 28 | ||
| Onychogomphus | 682 | 2 | ||
| Platycnemis | 657 | 7 | 1 | |
| Asellidae | 880 | 1 | ||
| Gammarus | 892 | 9 | 3 | 2 |
| Gammaridae | 887 | 18 | 4 | 3 |
| Cladocera | 3127 | 1 | ||
| Copepoda | 3206 | 1 | ||
| Hydracarina | 906 | 1 | 1 | 1 |
| Pisidium | 1043 | 3 | ||
| Sphaeriidae | 1042 | 4 | ||
| Unio | 1041 | 1 | ||
| Unionidae | 1037 | 1 | 1 | |
| Potamopyrgus antipodarum | 979 | 74 | 15 | 62 |
| Radix | 1004 | 2 | ||
| Physa (sensu lato) | 997 | 10 | ||
| Physella | 19280 | 2 | 1 | |
| Ancylus fluviatilis | 1029 | 5 | 6 | 5 |
| Planorbidae | 1009 | 1 | ||
| Oligochaeta | 933 | 150 | 83 | 39 |
| Nematoda | 1089 | 1 | ||
| Hydrozoa | 3168 | 1 | ||
| Bryozoa | 1087 | 1 | 1 |