Listes faunistiques invertébrés
Le Marès à Villefranche de Lauragais 05157650
- Télécharger la fiche IRSTEA xls / 646 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 23/08/2021 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 8.0 |
| GFI | 3 |
| Variété taxonomique | 19 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 30.0 | dominant |
| Blocs | 7.0 | dominant |
| Granulats | 4.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 40.0 | dominant |
| Algues | 1.0 | marginal |
| Dalles, argiles | 14.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Granulats | Lente | A |
| P4 | Helophytes | Nulle | A |
| P5 | Pierres, galets | Nulle | B |
| P6 | Blocs | Nulle | B |
| P7 | Sables | Nulle | B |
| P8 | Dalles, argiles | Nulle | B |
| P9 | Sables | Lente | C |
| P10 | Pierres, galets | Lente | C |
| P11 | Sables | Nulle | C |
| P12 | Pierres, galets | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Goeridae | 286 | 1 | ||
| Hydropsyche | 212 | 2 | 2 | 2 |
| Hydroptila | 200 | 1 | ||
| Limnephilidae | 276 | 1 | ||
| Baetis lato sensu | 9794 | 37 | 34 | 43 |
| Cloeon | 387 | 3 | ||
| Caenis | 457 | 1 | ||
| Micronectinae | 20396 | 1 | ||
| Elmis | 618 | 2 | ||
| Esolus | 619 | 2 | ||
| Limnius | 623 | 2 | 1 | |
| Oulimnius | 622 | 47 | 62 | 20 |
| Riolus | 625 | 2 | 6 | 2 |
| Stenelmis | 617 | 1 | ||
| Athericidae | 838 | 1 | ||
| Chironomidae | 807 | 74 | 82 | 61 |
| Limoniidae | 757 | 3 | 1 | |
| Pediciidae | 50011 | 1 | 2 | |
| Tipulidae | 753 | 1 | ||
| Platycnemis | 657 | 1 | ||
| Ostracoda | 3170 | 2 | ||
| Echinogammarus | 888 | 2 | 9 | 6 |
| Corbicula | 1051 | 1 | 2 | |
| Pisidium | 1043 | 48 | 31 | 3 |
| Potamopyrgus | 978 | 135 | 146 | 160 |
| Physella | 19280 | 7 | 2 | 2 |
| Glossiphoniidae | 908 | 3 | 6 | 1 |
| Oligochaeta | 933 | 29 | 26 | 278 |
| Dugesiidae | 1055 | 2 | 1 | |
| Nematoda | 1089 | 1 | ||
| Hydracarina | 906 | 2 | 4 | 2 |