Listes faunistiques invertébrés
Le Marès à Villefranche de Lauragais 05157650
- Télécharger la fiche IRSTEA xls / 646 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 22/07/2020 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 11.0 |
| GFI | 5 |
| Variété taxonomique | 23 |
| I2M2 | 0.1999 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 0.0 | marginal |
| Pierres, galets | 26.0 | dominant |
| Blocs | 3.0 | marginal |
| Granulats | 3.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 50.0 | dominant |
| Algues | 1.0 | marginal |
| Dalles, argiles | 16.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Blocs | Nulle | A |
| P2 | Granulats | Nulle | A |
| P3 | Helophytes | Nulle | A |
| P4 | Algues | Lente | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Sables | Nulle | B |
| P7 | Dalles, argiles | Nulle | B |
| P8 | Sables | Lente | B |
| P9 | Sables | Nulle | C |
| P10 | Sables | Lente | C |
| P11 | Pierres, galets | Nulle | C |
| P12 | Sables | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydropsyche | 212 | 26 | 12 | 9 |
| Hydroptila | 200 | 178 | 63 | 29 |
| Mystacides | 312 | 1 | 2 | |
| Oecetis | 317 | 1 | ||
| Polycentropus | 231 | 1 | ||
| Baetis lato sensu | 9794 | 22 | 6 | 4 |
| Procloeon | 390 | 2 | ||
| Caenis | 457 | 2 | 1 | 1 |
| Ephemerella ignita | 451 | 1 | ||
| Elmis | 618 | 1 | 1 | |
| Esolus | 619 | 6 | 3 | 2 |
| Limnius | 623 | 1 | ||
| Oulimnius | 622 | 16 | 10 | 13 |
| Riolus | 625 | 2 | 1 | |
| Athericidae | 838 | 4 | 2 | |
| Chironomidae | 807 | 359 | 622 | 217 |
| Dixidae | 793 | 1 | ||
| Empididae | 831 | 11 | 4 | 5 |
| Limoniidae | 757 | 4 | 1 | |
| Simuliidae | 801 | 2 | 1 | |
| Gomphidae | 678 | 1 | ||
| Zygoptera | 9785 | 1 | ||
| Calopteryx | 650 | 4 | ||
| Echinogammarus | 888 | 6 | 3 | 18 |
| Corbicula | 1051 | 1 | 12 | 15 |
| Pisidium | 1043 | 9 | 12 | 21 |
| Potamopyrgus | 978 | 10 | 56 | 89 |
| Radix | 1004 | 1 | ||
| Physidae | 995 | 1 | 1 | |
| Glossiphoniidae | 908 | 5 | ||
| Oligochaeta | 933 | 7 | 3 | 45 |
| Hydracarina | 906 | 8 | 7 | 6 |
| Ostracoda | 3170 | 1 | 1 | 2 |