Listes faunistiques invertébrés
Le Dourdou en aval de Saint Izaire 05144500
- Télécharger la fiche IRSTEA xls / 112 ko
- Export SEEE csv / 10 ko
| Date prélèvement | 22/06/2021 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 20.0 |
| GFI | 8 |
| Variété taxonomique | 51 |
| 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 | 20.0 | dominant |
| Blocs | 18.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | ||
| Sables | 1.0 | marginal |
| Algues | 1.0 | marginal |
| Dalles, argiles | 55.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Rapide | A |
| P2 | Hydrophytes | Nulle | A |
| P3 | Branchage, racines | Moyenne | A |
| P4 | Granulats | Lente | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Moyenne | B |
| P7 | Dalles, argiles | Moyenne | B |
| P8 | Dalles, argiles | Rapide | B |
| P9 | Pierres, galets | Lente | C |
| P10 | Dalles, argiles | Lente | C |
| P11 | Dalles, argiles | Nulle | C |
| P12 | Dalles, argiles | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 8 | 34 | |
| Brachycentrus | 265 | 516 | 448 | 584 |
| Agapetinae | 9812 | 1 | ||
| Cheumatopsyche | 221 | 15 | 54 | 5 |
| Hydropsyche | 212 | 9 | 24 | 6 |
| Hydroptila | 200 | 4 | 25 | 4 |
| Athripsodes | 311 | 10 | ||
| Leptocerus | 319 | 17 | ||
| Mystacides | 312 | 14 | ||
| Chimarra | 207 | 3 | 7 | 5 |
| Polycentropus | 231 | 12 | 15 | |
| Psychomyia | 239 | 4 | 92 | 18 |
| Rhyacophila lato-sensu | 183 | 1 | 5 | 2 |
| Baetis lato sensu | 9794 | 92 | 235 | 22 |
| Procloeon | 390 | 1 | ||
| Caenis | 457 | 1 | ||
| Ephemerella ignita | 451 | 14 | 36 | |
| Ephemera | 502 | 1 | ||
| Ecdyonurus | 421 | 4 | 49 | 6 |
| Electrogena | 3181 | 1 | ||
| Heptagenia | 443 | 6 | ||
| Rhithrogena | 404 | 1 | ||
| Heptageniidae | 399 | 4 | 9 | 2 |
| Isonychia | 397 | 1 | ||
| Choroterpes | 474 | 4 | 22 | 1 |
| Oligoneuriella | 394 | 7 | ||
| Ephoron | 496 | 60 | 42 | 2 |
| Potamanthus | 509 | 5 | 1 | |
| Micronecta | 719 | 14 | ||
| Laccophilinae | 2394 | 2 | ||
| Elmis | 618 | 4 | 8 | 1 |
| Esolus | 619 | 92 | 50 | 25 |
| Limnius | 623 | 1 | ||
| Normandia | 624 | 6 | 2 | 3 |
| Oulimnius | 622 | 26 | 18 | 4 |
| Riolus | 625 | 2 | ||
| Stenelmis | 617 | 1 | 2 | |
| Orectochilus | 515 | 3 | ||
| Hydraena | 608 | 1 | ||
| Coenosiinae | 50792 | 2 | ||
| Athericidae | 838 | 2 | 3 | |
| Ceratopogonidae | 819 | 5 | 1 | |
| Chironomidae | 807 | 17 | 6 | 8 |
| Empididae | 831 | 2 | ||
| Limoniidae | 757 | 3 | 21 | 4 |
| Simuliidae | 801 | 15 | ||
| Boyeria | 670 | 1 | ||
| Onychogomphus | 682 | 5 | 2 | |
| Calopteryx | 650 | 2 | ||
| Platycnemis | 657 | 1 | ||
| Gammarus | 892 | 1 | ||
| Ostracoda | 3170 | 1 | ||
| Pacifastacus | 872 | 1 | ||
| Atyaephyra | 861 | 18 | ||
| Asellidae | 880 | 76 | ||
| Corbicula | 1051 | 104 | 3 | 3 |
| Pisidium | 1043 | 1 | ||
| Potamopyrgus | 978 | 88 | 3 | |
| Radix | 1004 | 68 | ||
| Theodoxus | 967 | 2 | 7 | 6 |
| Physa (sensu lato) | 997 | 24 | ||
| Planorbidae | 1009 | 9 | 12 | |
| Erpobdellidae | 928 | 7 | 1 | |
| Oligochaeta | 933 | 1025 | 13 | 1 |
| Dugesia | 1056 | 5 | 13 | |
| Mermithoïdea | 3159 | 1 | ||
| Hydracarina | 906 | 1 | 1 | 1 |