Listes faunistiques invertébrés
Le Marès à Villefranche de Lauragais 05157650
- Télécharger la fiche IRSTEA xls / 2136 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 23/10/2013 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 9.0 |
| GFI | 3 |
| Variété taxonomique | 22 |
| Taxon indicateur | Hydropsychidae |
| I2M2 | 0.4954 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | 4.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 60.0 | dominant |
| Blocs | 12.0 | dominant |
| Granulats | ||
| Helophytes | ||
| Vases | 18.0 | dominant |
| Sables | 2.0 | marginal |
| Algues | ||
| Dalles, argiles | 3.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Sables | Nulle | A |
| P4 | Dalles, argiles | Lente | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Blocs | Lente | B |
| P7 | Vases | Nulle | B |
| P8 | Pierres, galets | Nulle | B |
| P9 | Pierres, galets | Moyenne | C |
| P10 | Pierres, galets | Lente | C |
| P11 | Pierres, galets | Nulle | C |
| P12 | Pierres, galets | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Goera | 287 | 1 | ||
| Hydropsyche | 212 | 2 | 11 | 67 |
| Athripsodes | 311 | 1 | ||
| Mystacides | 312 | 1 | ||
| Cyrnus | 224 | 1 | ||
| Polycentropus | 231 | 1 | ||
| Baetis | 364 | 1 | ||
| Caenis | 457 | 1 | ||
| Micronecta | 719 | 7 | 3 | |
| Colymbetinae | 2395 | 3 | ||
| Elmis | 618 | 4 | 11 | 20 |
| Esolus | 619 | 3 | 9 | 32 |
| Limnius | 623 | 3 | 1 | 2 |
| Oulimnius | 622 | 4 | 3 | 6 |
| Riolus | 625 | 3 | 6 | 11 |
| Athericidae | 838 | 26 | 24 | 2 |
| Ceratopogonidae | 819 | 2 | ||
| Chironomidae | 807 | 52 | 21 | 76 |
| Empididae | 831 | 4 | ||
| Gomphus | 679 | 1 | 1 | |
| Platycnemis | 657 | 1 | 1 | |
| Asellidae | 880 | 1 | ||
| Echinogammarus | 888 | 12 | 3 | 21 |
| Copepoda | 3206 | 3 | 3 | |
| Corbicula | 1051 | 1 | ||
| Acroloxus | 1033 | 1 | ||
| Ancylus | 1028 | 2 | 5 | |
| Potamopyrgus | 978 | 7 | 9 | 29 |
| Physa (sensu lato) | 997 | 3 | ||
| Physella | 19280 | 29 | 4 | |
| Glossiphoniidae | 908 | 1 | ||
| Planariidae | 1061 | 2 | ||
| Oligochaeta | 933 | 54 | 19 | 9 |
| Hydracarina | 906 | 3 | 3 | 3 |