Listes faunistiques invertébrés
Le Marès à Villefranche de Lauragais 05157650
- Télécharger la fiche IRSTEA xls / 646 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 19/06/2019 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 12.0 |
| GFI | 5 |
| Variété taxonomique | 27 |
| Taxon indicateur | Hydroptilidae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 47.0 | dominant |
| Blocs | 4.0 | marginal |
| Granulats | 3.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 28.0 | dominant |
| Algues | 1.0 | marginal |
| Dalles, argiles | 15.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Branchage, racines | Lente | A |
| P2 | Blocs | Lente | A |
| P3 | Granulats | Lente | A |
| P4 | Algues | Lente | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Sables | Lente | B |
| P7 | Dalles, argiles | Lente | B |
| P8 | Pierres, galets | Lente | B |
| P9 | Pierres, galets | Lente | C |
| P10 | Sables | Nulle | C |
| P11 | Pierres, galets | Lente | C |
| P12 | Sables | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Goeridae | 286 | 1 | ||
| Hydropsyche | 212 | 14 | 19 | 1 |
| Hydroptila | 200 | 270 | 58 | 5 |
| Polycentropus | 231 | 1 | ||
| Baetis lato sensu | 9794 | 179 | 7 | 14 |
| Caenis | 457 | 1 | ||
| Ephemerella ignita | 451 | 7 | 8 | 4 |
| Gerris | 735 | 1 | ||
| Colymbetinae | 2395 | 1 | ||
| Elmis | 618 | 3 | 3 | 1 |
| Limnius | 623 | 4 | ||
| Oulimnius | 622 | 4 | 6 | |
| Riolus | 625 | 2 | 4 | 6 |
| Ceratopogonidae | 819 | 4 | 6 | |
| Chironomidae | 807 | 503 | 1352 | 465 |
| Empididae | 831 | 1 | 1 | 1 |
| Limoniidae | 757 | 3 | 6 | 1 |
| Simuliidae | 801 | 1 | ||
| Tipulidae | 753 | 3 | 2 | |
| Onychogomphus | 682 | 1 | ||
| Platycnemis | 657 | 1 | ||
| Echinogammarus | 888 | 1904 | 1272 | 289 |
| Asellidae | 880 | 3 | 2 | |
| Procambarus | 2027 | 1 | 2 | |
| Corbicula | 1051 | 59 | 73 | 61 |
| Pisidium | 1043 | 17 | 19 | 20 |
| Potamopyrgus | 978 | 639 | 2473 | 635 |
| Radix | 1004 | 2 | 1 | |
| Physa (sensu lato) | 997 | 1 | 1 | |
| Physella | 19280 | 3 | ||
| Glossiphoniidae | 908 | 4 | 5 | 5 |
| Oligochaeta | 933 | 263 | 798 | 395 |
| Dugesiidae | 1055 | 1 | 2 | 8 |
| Nematoda | 1089 | 1 | ||
| Hydracarina | 906 | 2 | 28 | 3 |