Listes faunistiques invertébrés
Le ruisseau de Létrade à Saint-Avit 04041755
- Télécharger la fiche IRSTEA xls / 31 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 02/09/2010 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 16.0 |
| GFI | 7 |
| Variété taxonomique | 34 |
| I2M2 | 0.6137 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | ||
| Litieres | ||
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 23.0 | dominant |
| Blocs | 38.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | 7.0 | dominant |
| Vases | ||
| Sables | 26.0 | dominant |
| Algues | ||
| Dalles, argiles | 3.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Pierres, galets | Nulle | B3 |
| P2 | Sables | Nulle | B2 |
| P3 | Granulats | Lente | B1 |
| P4 | Roches | Lente | B2 |
| P5 | Branchage, racines | Nulle | B1 |
| P6 | Dalles, argiles | Lente | B1 |
| P7 | Sables | Lente | B3 |
| P8 | Roches | Nulle | B3 |
| P9 | Pierres, galets | Lente | B2 |
| P10 | Bryophytes | Lente | B1 |
| P11 | Helophytes | Nulle | B2 |
| P12 | Roches | Lente | B3 |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Oligochaeta | 933 | 5 | 45 | 60 |
| Chironomidae | 807 | 35 | 22 | 40 |
| Ceratopogonidae | 819 | 3 | 4 | |
| Empididae | 831 | 1 | ||
| Tabanidae | 837 | 1 | ||
| Athericidae | 838 | 3 | 1 | 5 |
| Anthomyidae | 847 | 1 | ||
| Pacifastacus | 872 | 5 | 1 | |
| Gammarus | 892 | 1 | 1 | |
| Hydracarina | 906 | 1 | ||
| Simuliidae | 801 | 21 | 57 | 60 |
| Radix | 1004 | 1 | ||
| Planorbidae | 1009 | 1 | ||
| Ferrissia | 1030 | 13 | 1 | |
| Pisidium | 1043 | 3 | 1 | |
| Hydroporinae | 2393 | 1 | ||
| Colymbetinae | 2395 | 1 | ||
| Hydrophilinae | 2517 | 2 | ||
| Ostracoda | 3170 | 1 | ||
| Copepoda | 3206 | 1 | 1 | 1 |
| Paraleptophlebia | 481 | 4 | 5 | 17 |
| Rhyacophila lato-sensu | 183 | 3 | ||
| Hydropsyche | 212 | 52 | 11 | 2 |
| Polycentropodidae | 223 | 3 | ||
| Polycentropus | 231 | 2 | ||
| Limnephilidae | 276 | 1 | ||
| Notidobia | 325 | 2 | ||
| Baetis | 364 | 3 | 39 | 19 |
| Ecdyonurus | 421 | 6 | ||
| Ephemerella | 450 | 1 | ||
| Leuctra | 69 | 60 | 58 | 8 |
| Ephemera | 502 | 25 | 20 | 9 |
| Hydraena | 608 | 1 | ||
| Calopteryx | 650 | 10 | ||
| Platycnemis | 657 | 4 | ||
| Sialis | 704 | 1 | ||
| Gerris | 735 | 5 | 3 | |
| Tipulidae | 753 | 4 | ||
| Limoniidae | 757 | 31 | 10 | 9 |