Listes faunistiques invertébrés
La Saudrune à St Lys 05162520
- Télécharger la fiche IRSTEA xls / 619 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 26/07/2022 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 15.0 |
| GFI | 7 |
| Variété taxonomique | 29 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 79.0 | dominant |
| Blocs | 7.0 | dominant |
| Granulats | 3.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 2.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 6.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Granulats | Lente | A |
| P4 | Sables | Nulle | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Blocs | Lente | B |
| P7 | Dalles, argiles | Nulle | B |
| P8 | Pierres, galets | Moyenne | B |
| P9 | Pierres, galets | Nulle | C |
| P10 | Pierres, galets | Lente | C |
| P11 | Pierres, galets | Moyenne | C |
| P12 | Pierres, galets | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Goera | 287 | 3 | 5 | |
| Hydropsyche | 212 | 2 | 42 | 4 |
| Ithytrichia | 198 | 1 | ||
| Athripsodes | 311 | 9 | 3 | |
| Mystacides | 312 | 1 | ||
| Oecetis | 317 | 3 | ||
| Polycentropodidae | 223 | 2 | 1 | |
| Cyrnus | 224 | 1 | 1 | |
| Polycentropus | 231 | 1 | 6 | 9 |
| Sericostomatidae | 321 | 1 | ||
| Sericostoma | 322 | 1 | ||
| Baetidae | 363 | 2 | ||
| Baetis lato sensu | 9794 | 1 | 32 | 1 |
| Centroptilum | 383 | 23 | 1 | |
| Caenis | 457 | 1 | ||
| Ephemera | 502 | 1 | ||
| Heptageniidae | 399 | 1 | ||
| Ecdyonurus | 421 | 2 | ||
| Micronectinae | 20396 | 1 | ||
| Gerridae | 734 | 3 | ||
| Elmis | 618 | 9 | 17 | 13 |
| Limnius | 623 | 2 | 3 | |
| Oulimnius | 622 | 2 | ||
| Hydraena | 608 | 4 | 1 | |
| Atrichops | 840 | 11 | 2 | |
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 15 | 6 | 10 |
| Onychogomphus | 682 | 1 | ||
| Calopteryx | 650 | 9 | 2 | |
| Sialis | 704 | 1 | ||
| Copepoda | 3206 | 1 | ||
| Echinogammarus | 888 | 282 | 193 | 132 |
| Gammarus | 892 | 3 | ||
| Asellidae | 880 | 7 | 2 | |
| Corbicula | 1051 | 1 | 1 | 1 |
| Sphaeriidae | 1042 | 2 | 1 | 1 |
| Sphaerium | 1044 | 1 | 1 | 1 |
| Potamopyrgus | 978 | 16 | 7 | 5 |
| Ancylus | 1028 | 1 | 22 | 12 |
| Erpobdellidae | 928 | 1 | 1 | |
| Glossiphoniidae | 908 | 3 | ||
| Oligochaeta | 933 | 83 | 25 | 12 |
| Hydracarina | 906 | 1 |