Listes faunistiques invertébrés
Le Dourdou en aval de Saint Izaire 05144500
- Télécharger la fiche IRSTEA xls / 109 ko
- Export SEEE csv / 9 ko
| Date prélèvement | 30/08/2018 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 17.0 |
| GFI | 8 |
| Variété taxonomique | 33 |
| Taxon indicateur | Philopotamidae |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 1.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 20.0 | dominant |
| Blocs | 25.0 | dominant |
| Granulats | 2.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 1.0 | marginal |
| Algues | 1.0 | marginal |
| Dalles, argiles | 46.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Hydrophytes | Nulle | A |
| P3 | Litieres | Nulle | A |
| P4 | Branchage, racines | Lente | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Moyenne | B |
| P7 | Dalles, argiles | Moyenne | B |
| P8 | Dalles, argiles | Lente | B |
| P9 | Dalles, argiles | Rapide | C |
| P10 | Dalles, argiles | Nulle | C |
| P11 | Blocs | Lente | C |
| P12 | Pierres, galets | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra geniculata | 33830 | 6 | ||
| Leuctra | 69 | 1 | 5 | 9 |
| Perlodidae | 127 | 1 | ||
| Cheumatopsyche | 221 | 9 | 256 | 68 |
| Hydropsyche | 212 | 7 | 432 | 52 |
| Hydroptila | 200 | 12 | 17 | 7 |
| Orthotrichia | 197 | 2 | 1 | |
| Athripsodes | 311 | 1 | ||
| Homilia | 20556 | 1 | ||
| Mystacides | 312 | 64 | ||
| Oecetis | 317 | 188 | ||
| Chimarra | 207 | 44 | ||
| Polycentropus | 231 | 2 | 1 | 3 |
| Polycentropodidae | 223 | 4 | ||
| Psychomyia | 239 | 1 | 180 | 21 |
| Rhyacophila lato-sensu | 183 | 1 | ||
| Baetis lato sensu | 9794 | 140 | 344 | 17 |
| Procloeon | 390 | 16 | 2 | |
| Baetidae | 363 | 16 | ||
| Caenis | 457 | 1 | 1 | |
| Ephemera | 502 | 2 | ||
| Ecdyonurus | 421 | 17 | 1 | |
| Heptagenia | 443 | 5 | ||
| Heptageniidae | 399 | 18 | 1 | |
| Choroterpes | 474 | 4 | 16 | |
| Paraleptophlebia | 481 | 1 | ||
| Leptophlebiidae | 473 | 1 | 4 | |
| Ephoron | 496 | 3 | 8 | |
| Micronecta | 719 | 1 | ||
| Dryops | 613 | 3 | ||
| Pomatinus substriatus | 33844 | 2 | ||
| Elmis | 618 | 4 | 8 | 4 |
| Esolus | 619 | 172 | 196 | 328 |
| Limnius | 623 | 4 | ||
| Oulimnius | 622 | 68 | 4 | 32 |
| Potamophilus | 615 | 8 | ||
| Elmidae | 614 | 16 | ||
| Athericidae | 838 | 1 | ||
| Chironomidae | 807 | 212 | 96 | 96 |
| Empididae | 831 | 1 | ||
| Limoniidae | 757 | 5 | 4 | |
| Psychodidae | 783 | 3 | ||
| Simuliidae | 801 | 3 | 2 | |
| Calopteryx | 650 | 24 | ||
| Onychogomphus | 682 | 1 | 1 | |
| Gomphidae | 678 | 2 | 1 | |
| Platycnemis | 657 | 3 | ||
| Ostracoda | 3170 | 3 | 3 | |
| Corbicula | 1051 | 92 | 2 | 1 |
| Ancylus | 1028 | 8 | 3 | |
| Potamopyrgus | 978 | 3 | 1 | |
| Theodoxus | 967 | 1 | 5 | 1 |
| Erpobdellidae | 928 | 1 | 1 | |
| Oligochaeta | 933 | 7 | 1 | |
| Dugesia | 1056 | 37 | 88 | 8 |
| Prostoma | 3110 | 3 | 3 | |
| Hydracarina | 906 | 3 | 3 |