Listes faunistiques invertébrés
La Sère au niveau de Gensac 05151994
- Télécharger la fiche IRSTEA xls / 646 ko
- Export SEEE csv / 4 ko
| Date prélèvement | 07/08/2020 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 12.0 |
| GFI | 5 |
| Variété taxonomique | 25 |
| I2M2 | 0.3579 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 7.0 | dominant |
| Pierres, galets | 15.0 | dominant |
| Blocs | 0.0 | marginal |
| Granulats | 34.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 40.0 | dominant |
| Algues | 1.0 | marginal |
| Dalles, argiles | 2.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Algues | Nulle | A |
| P3 | Dalles, argiles | Nulle | A |
| P4 | Dalles, argiles | Nulle | A |
| P5 | Branchage, racines | Nulle | B |
| P6 | Pierres, galets | Lente | B |
| P7 | Granulats | Lente | B |
| P8 | Sables | Nulle | B |
| P9 | Sables | Nulle | C |
| P10 | Granulats | Nulle | C |
| P11 | Sables | Nulle | C |
| P12 | Granulats | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydropsyche | 212 | 1 | 14 | 30 |
| Hydroptila | 200 | 3 | 1 | |
| Baetis lato sensu | 9794 | 23 | 148 | 64 |
| Ephemerella ignita | 451 | 1 | ||
| Ecdyonurus | 421 | 9 | 6 | 9 |
| Gerris | 735 | 1 | ||
| Hydrometra | 740 | 3 | 2 | |
| Pomatinus | 611 | 1 | ||
| Athericidae | 838 | 2 | ||
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 138 | 62 | 87 |
| Culicidae | 796 | 1 | 2 | |
| Cylindrotomidae | 755 | 3 | 2 | 2 |
| Ephydridae | 844 | 1 | 1 | |
| Simuliidae | 801 | 21 | 205 | 78 |
| Tabanidae | 837 | 2 | 3 | |
| Tipulidae | 753 | 4 | 2 | 4 |
| Calopteryx | 650 | 8 | 1 | |
| Platycnemis | 657 | 6 | 1 | |
| Gammaridae | 887 | 1 | ||
| Echinogammarus | 888 | 4 | ||
| Gammarus | 892 | 1 | ||
| Potamopyrgus | 978 | 121 | 3 | 8 |
| Galba | 1001 | 1 | ||
| Physidae | 995 | 2 | ||
| Erpobdellidae | 928 | 1 | ||
| Oligochaeta | 933 | 3 | 7 | 4 |
| Dugesiidae | 1055 | 3 | 3 | 1 |
| Hydracarina | 906 | 6 | 2 | |
| Hydrozoa | 3168 | 1 |