Listes faunistiques invertébrés
Le Dourdou en aval de Saint Izaire 05144500
- Télécharger la fiche IRSTEA xls / 108 ko
- Export SEEE csv / 8 ko
| Date prélèvement | 29/07/2020 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 19.0 |
| GFI | 8 |
| Variété taxonomique | 41 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 1.0 | marginal |
| Litieres | ||
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 16.0 | dominant |
| Blocs | 27.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | ||
| Sables | 1.0 | marginal |
| Algues | 1.0 | marginal |
| Dalles, argiles | 50.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Hydrophytes | Lente | A |
| P3 | Branchage, racines | Lente | A |
| P4 | Granulats | Lente | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Blocs | Lente | B |
| P7 | Dalles, argiles | Moyenne | B |
| P8 | Dalles, argiles | Lente | B |
| P9 | Blocs | Moyenne | C |
| P10 | Dalles, argiles | Rapide | C |
| P11 | Dalles, argiles | Nulle | C |
| P12 | Dalles, argiles | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Empididae | 831 | 2 | ||
| Leuctra geniculata | 33830 | 8 | 3 | |
| Leuctra | 69 | 46 | 15 | |
| Ecdyonurus | 421 | 43 | 4 | |
| Limnius | 623 | 4 | 2 | |
| Erpobdellidae | 928 | 2 | ||
| Rhyacophila lato-sensu | 183 | 8 | 17 | |
| Athericidae | 838 | 2 | 5 | |
| Pacifastacus | 872 | 1 | ||
| Choroterpes | 474 | 8 | ||
| Boyeria | 670 | 1 | ||
| Dugesia | 1056 | 121 | 10 | 40 |
| Corbicula | 1051 | 3 | 1 | 2 |
| Calopteryx | 650 | 4 | ||
| Onychogomphus | 682 | 1 | ||
| Gomphidae | 678 | 2 | 1 | |
| Hydracarina | 906 | 1 | 1 | 1 |
| Ostracoda | 3170 | 1 | ||
| Theodoxus | 967 | 2 | 38 | 4 |
| Ancylus | 1028 | 2 | 6 | |
| Potamopyrgus | 978 | 14 | 2 | |
| Oligochaeta | 933 | 2 | 36 | 27 |
| Gerris | 735 | 1 | ||
| Micronecta | 719 | 5 | 18 | |
| Tipulidae | 753 | 1 | ||
| Psychodidae | 783 | 1 | ||
| Limoniidae | 757 | 6 | 6 | 14 |
| Simuliidae | 801 | 4 | 7 | 24 |
| Stratiomyidae | 824 | 1 | 1 | |
| Dixidae | 793 | 2 | ||
| Anthomyidae | 847 | 24 | ||
| Chironomidae | 807 | 108 | 48 | 17 |
| Dryops | 613 | 14 | 3 | |
| Normandia | 624 | 16 | 4 | 6 |
| Elmis | 618 | 12 | 6 | 8 |
| Stenelmis | 617 | 4 | 2 | 5 |
| Esolus | 619 | 276 | 58 | 70 |
| Oulimnius | 622 | 64 | 10 | 2 |
| Ephemera | 502 | 1 | 1 | |
| Ephoron | 496 | 1 | 21 | 2 |
| Caenis | 457 | 4 | 3 | 1 |
| Centroptilum | 383 | 2 | ||
| Procloeon | 390 | 4 | 7 | |
| Baetis lato sensu | 9794 | 85 | 97 | 19 |
| Ephemerella ignita | 451 | 5 | ||
| Orthotrichia | 197 | 3 | 3 | |
| Polycentropus | 231 | 1 | 2 | 2 |
| Triaenodes | 314 | 5 | ||
| Cheumatopsyche | 221 | 76 | 281 | 120 |
| Psychomyia | 239 | 25 | 88 | 188 |
| Hydropsyche | 212 | 20 | 98 | 37 |
| Hydroptila | 200 | 8 | 12 | 4 |
| Chimarra | 207 | 13 | 13 | 11 |
| Oligoplectrum | 263 | 12 | 57 | 485 |
| Athripsodes | 311 | 1 | 1 | |
| Oecetis | 317 | 1 | 2 | 1 |