Listes faunistiques invertébrés
La Gèze à Castelnau Magnoac 05115550
- Télécharger la fiche IRSTEA xls / 619 ko
- Export SEEE csv / 9 ko
| Date prélèvement | 26/09/2022 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 17.0 |
| GFI | 7 |
| Variété taxonomique | 38 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 2.0 | marginal |
| Branchage, racines | 3.0 | marginal |
| Pierres, galets | 47.0 | dominant |
| Blocs | 3.0 | marginal |
| Granulats | 6.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 4.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 35.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Lente | A |
| P3 | Blocs | Moyenne | A |
| P4 | Sables | Nulle | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Granulats | Lente | B |
| P7 | Dalles, argiles | Moyenne | B |
| P8 | Pierres, galets | Lente | B |
| P9 | Pierres, galets | Nulle | C |
| P10 | Dalles, argiles | Lente | C |
| P11 | Pierres, galets | Moyenne | C |
| P12 | Dalles, argiles | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 4 | 12 | 12 |
| Goeridae | 286 | 1 | ||
| Silo | 292 | 5 | ||
| Hydropsyche | 212 | 170 | 144 | 54 |
| Ithytrichia | 198 | 8 | ||
| Lepidostoma | 305 | 19 | 6 | 2 |
| Leptoceridae | 310 | 1 | ||
| Adicella | 320 | 8 | ||
| Athripsodes | 311 | 2 | ||
| Ceraclea | 313 | 1 | ||
| Mystacides | 312 | 7 | ||
| Oecetis | 317 | 44 | 2 | |
| Limnephilinae | 3163 | 2 | 1 | |
| Polycentropodidae | 223 | 1 | ||
| Polycentropus | 231 | 3 | 1 | |
| Rhyacophila stricto-sensu | 5237 | 2 | 1 | |
| Sericostoma | 322 | 14 | 3 | |
| Baetis lato sensu | 9794 | 12 | 25 | 3 |
| Ephemera | 502 | 4 | 7 | |
| Heptageniidae | 399 | 1 | 7 | 6 |
| Ecdyonurus | 421 | 2 | 18 | |
| Electrogena | 3181 | 1 | ||
| Heptagenia | 443 | 1 | 2 | 6 |
| Rhithrogena | 404 | 1 | ||
| Leptophlebiidae | 473 | 1 | 2 | |
| Paraleptophlebia | 481 | 7 | ||
| Dupophilus | 620 | 4 | 5 | 1 |
| Elmis | 618 | 139 | 97 | 62 |
| Esolus | 619 | 4 | 2 | 1 |
| Limnius | 623 | 66 | 47 | 15 |
| Oulimnius | 622 | 7 | ||
| Stenelmis | 617 | 3 | 1 | 3 |
| Orectochilus | 515 | 4 | 1 | |
| Hydraena | 608 | 6 | 30 | 8 |
| Athericidae | 838 | 6 | 1 | 8 |
| Ceratopogonidae | 819 | 3 | ||
| Chironomidae | 807 | 226 | 38 | 36 |
| Limoniidae | 757 | 1 | ||
| Pediciidae | 50011 | 1 | 6 | 3 |
| Simuliidae | 801 | 22 | 12 | 5 |
| Tabanidae | 837 | 2 | ||
| Boyeria | 670 | 1 | ||
| Cordulegaster | 687 | 1 | ||
| Gomphidae | 678 | 3 | ||
| Onychogomphus | 682 | 2 | 3 | 3 |
| Calopteryx | 650 | 11 | ||
| Gammarus | 892 | 15 | 1 | 1 |
| Sphaeriidae | 1042 | 38 | 6 | 1 |
| Pisidium | 1043 | 9 | ||
| Potamopyrgus | 978 | 3 | 1 | |
| Planorbidae | 1009 | 2 | ||
| Ancylus | 1028 | 2 | ||
| Oligochaeta | 933 | 144 | 41 | 10 |
| Dugesiidae | 1055 | 11 | 6 | 6 |
| Prostoma | 3110 | 5 | 2 | 1 |
| Nematoda | 1089 | 2 | 1 | |
| Hydracarina | 906 | 4 | 5 | 3 |
| Hydrozoa | 3168 | 3 | 1 | 1 |
| Bryozoa | 1087 | 1 | 1 | 1 |