Listes faunistiques invertébrés
Le Dourdou à Saint-Izaire 05145000
- Télécharger la fiche IRSTEA xls / 173 ko
- Export SEEE csv / 8 ko
| Date prélèvement | 07/07/2022 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 16.0 |
| GFI | 7 |
| Variété taxonomique | 33 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 60.0 | dominant |
| Blocs | 10.0 | dominant |
| Granulats | 4.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | ||
| Sables | 1.0 | marginal |
| Algues | 4.0 | marginal |
| Dalles, argiles | 18.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Helophytes | Nulle | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Nulle | A |
| P4 | Granulats | Lente | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Lente | B |
| P7 | Dalles, argiles | Lente | B |
| P8 | Pierres, galets | Lente | B |
| P9 | Pierres, galets | Moyenne | C |
| P10 | Pierres, galets | Lente | C |
| P11 | Pierres, galets | Nulle | C |
| P12 | Pierres, galets | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 8 | 18 | 17 |
| Brachycentrus | 265 | 9 | ||
| Goera | 287 | 2 | 1 | |
| Cheumatopsyche | 221 | 7 | 72 | 289 |
| Hydropsyche | 212 | 3 | 21 | 45 |
| Hydroptila | 200 | 1 | 1 | 5 |
| Orthotrichia | 197 | 13 | 4 | 11 |
| Athripsodes | 311 | 18 | ||
| Ceraclea | 313 | 2 | ||
| Leptocerus | 319 | 1 | ||
| Chimarra | 207 | 2 | 14 | |
| Polycentropus | 231 | 2 | 15 | 17 |
| Psychomyia | 239 | 90 | 40 | |
| Psychomyiidae | 238 | 6 | 5 | |
| Baetis | 364 | 13 | 23 | 104 |
| Centroptilum | 383 | 1 | ||
| Procloeon | 390 | 34 | 2 | |
| Caenis | 457 | 67 | 3 | 8 |
| Ephemerella ignita | 451 | 2 | ||
| Ecdyonurus | 421 | 1 | 8 | 90 |
| Heptageniidae | 399 | 30 | ||
| Choroterpes | 474 | 1 | 5 | 12 |
| Paraleptophlebia | 481 | 1 | ||
| Leptophlebiidae | 473 | 7 | 25 | 15 |
| Ephoron | 496 | 13 | 10 | |
| Potamanthus | 509 | 1 | ||
| Aphelocheirus | 721 | 1 | ||
| Micronecta | 719 | 22 | 5 | 2 |
| Hydroporinae | 2393 | 1 | ||
| Elmis | 618 | 2 | ||
| Esolus | 619 | 148 | 53 | 408 |
| Limnius | 623 | 4 | 3 | 3 |
| Oulimnius | 622 | 60 | 4 | 20 |
| Laccobius | 581 | 1 | ||
| Athericidae | 838 | 1 | 8 | |
| Ceratopogonidae | 819 | 4 | 1 | |
| Chironomidae | 807 | 84 | 17 | 13 |
| Limoniidae | 757 | 6 | 4 | |
| Psychodidae | 783 | 1 | ||
| Onychogomphus | 682 | 1 | ||
| Calopteryx | 650 | 30 | 1 | |
| Copepoda | 3206 | 1 | ||
| Ostracoda | 3170 | 1 | ||
| Asellidae | 880 | 23 | ||
| Corbicula | 1051 | 1 | ||
| Potamopyrgus | 978 | 2 | ||
| Theodoxus | 967 | 21 | 2 | |
| Ancylus | 1028 | 2 | 2 | |
| Planorbidae | 1009 | 1 | ||
| Oligochaeta | 933 | 15 | 1 | 1 |
| Dugesia | 1056 | 3 | 44 | 18 |
| Hydracarina | 906 | 1 | 1 | 1 |