Listes faunistiques invertébrés
Le Tescou en aval de Saint Nauphary 05129070
- Télécharger la fiche IRSTEA xls / 36 ko
- Export SEEE csv / 4 ko
| Date prélèvement | 22/07/2008 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 11.0 |
| GFI | 5 |
| Variété taxonomique | 23 |
| Taxon indicateur | Hydroptilidae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 20.0 | dominant |
| Blocs | 0.0 | marginal |
| Granulats | 73.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 5.0 | dominant |
| Sables | 0.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 0.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Lente | B1 |
| P2 | Bryophytes | Lente | B1 |
| P3 | Branchage, racines | Nulle | B1 |
| P4 | Branchage, racines | Nulle | B1 |
| P5 | Pierres, galets | Lente | B2 |
| P6 | Granulats | Lente | B2 |
| P7 | Vases | Nulle | B2 |
| P8 | Pierres, galets | Lente | B2 |
| P9 | Granulats | Lente | B3 |
| P10 | Granulats | Lente | B3 |
| P11 | Granulats | Nulle | B3 |
| P12 | Granulats | Nulle | B3 |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Brachycentrus | 265 | 1 | ||
| Hydropsyche | 212 | 15 | 1 | |
| Hydroptila | 200 | 1 | 2 | |
| Polycentropodidae | 223 | 1 | ||
| Cyrnus | 224 | 4 | ||
| Polycentropus | 231 | 1 | ||
| Baetis | 364 | 2 | ||
| Procloeon | 390 | 1 | 2 | |
| Caenis | 457 | 7 | 10 | 22 |
| Ephemerella | 450 | 3 | 1 | |
| Ephemera | 502 | 1 | 1 | |
| Gerris | 735 | 2 | ||
| Limnius | 623 | 2 | ||
| Stenelmis | 617 | 2 | ||
| Athericidae | 838 | 2 | ||
| Chironomidae | 807 | 66 | 101 | 52 |
| Empididae | 831 | 1 | ||
| Calopteryx | 650 | 1 | ||
| Onychogomphus | 682 | 1 | ||
| Platycnemis | 657 | 5 | ||
| Echinogammarus | 888 | 1 | ||
| Gammarus | 892 | 9 | 1 | |
| Asellidae | 880 | 93 | ||
| Decapoda | 3140 | 1 | ||
| Sphaerium | 1044 | 58 | 1 | |
| Physa (sensu lato) | 997 | 58 | 3 | |
| Piscicolidae | 918 | 1 | ||
| Oligochaeta | 933 | 1 | 1 | 1 |