Listes faunistiques invertébrés
La Sère au niveau de Gensac 05151994
- Télécharger la fiche IRSTEA xls / 618 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 22/06/2022 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 10.0 |
| GFI | 4 |
| Variété taxonomique | 23 |
| I2M2 | 0.1214 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 2.0 | marginal |
| Blocs | 0.0 | marginal |
| Granulats | 4.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 65.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 26.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Pierres, galets | Lente | A |
| P4 | Granulats | Lente | A |
| P5 | Sables | Nulle | B |
| P6 | Dalles, argiles | Nulle | B |
| P7 | Sables | Lente | B |
| P8 | Dalles, argiles | Lente | B |
| P9 | Sables | Nulle | C |
| P10 | Sables | Lente | C |
| P11 | Sables | Nulle | C |
| P12 | Sables | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Gammaridae | 887 | |||
| Pediciidae | 50011 | |||
| Physella | 19280 | |||
| Baetis lato sensu | 9794 | |||
| Serratella | 5152 | |||
| Copepoda | 3206 | |||
| Ostracoda | 3170 | |||
| Nematoda | 1089 | |||
| Pisidium | 1043 | |||
| Sphaeriidae | 1042 | |||
| Potamopyrgus | 978 | |||
| Oligochaeta | 933 | |||
| Glossiphoniidae | 908 | |||
| Hydracarina | 906 | |||
| Gammarus | 892 | |||
| Echinogammarus | 888 | |||
| Hydropsyche | 212 | |||
| Asellidae | 880 | |||
| Athericidae | 838 | |||
| Ceratopogonidae | 819 | |||
| Chironomidae | 807 | |||
| Dixidae | 793 | |||
| Limoniidae | 757 | |||
| Gerridae | 734 | |||
| Platycnemis | 657 | |||
| Riolus | 625 | |||
| Oulimnius | 622 | |||
| Hydraena | 608 | |||
| Ecdyonurus | 421 | |||
| Centroptilum | 383 | |||
| Mystacides | 312 | |||
| Cyrnus | 224 |