Listes faunistiques invertébrés
Le Cassurex à Najac 05125900
- Télécharger la fiche IRSTEA xls / 619 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 01/06/2022 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 15.0 |
| GFI | 7 |
| Variété taxonomique | 31 |
| I2M2 | 0.3689 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 35.0 | dominant |
| Blocs | 24.0 | dominant |
| Granulats | 2.0 | marginal |
| Helophytes | ||
| Vases | ||
| Sables | 21.0 | dominant |
| Algues | ||
| Dalles, argiles | 15.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Lente | A |
| P4 | Granulats | Lente | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Moyenne | B |
| P7 | Sables | Lente | B |
| P8 | Dalles, argiles | Lente | B |
| P9 | Pierres, galets | Lente | C |
| P10 | Pierres, galets | Nulle | C |
| P11 | Blocs | Lente | C |
| P12 | Sables | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 1 | ||
| Isoperla | 140 | 1 | ||
| Polycentropus | 231 | 1 | 1 | |
| Polycentropodidae | 223 | 1 | 1 | 1 |
| Lype | 241 | 1 | ||
| Psychomyia pusilla | 240 | 1 | ||
| Rhyacophila lato-sensu | 183 | 3 | 6 | 1 |
| Baetis lato sensu | 9794 | 6 | 39 | 6 |
| Brachycercus | 468 | 1 | ||
| Ephemerella ignita | 451 | 20 | 28 | 17 |
| Ephemera | 502 | 17 | 9 | 26 |
| Ecdyonurus | 421 | 7 | 2 | |
| Electrogena | 3181 | 3 | ||
| Epeorus | 400 | 1 | ||
| Rhithrogena | 404 | 19 | ||
| Heptageniidae | 399 | 3 | 6 | |
| Habrophlebia | 491 | 1 | 3 | |
| Leptophlebiidae | 473 | 7 | 19 | 9 |
| Gerridae | 734 | 3 | ||
| Veliidae | 743 | 1 | ||
| Dryops | 613 | 1 | ||
| Elmis | 618 | 7 | 3 | 3 |
| Esolus | 619 | 4 | 1 | |
| Oulimnius | 622 | 2 | 1 | 1 |
| Helophorus | 604 | 2 | ||
| Ceratopogonidae | 819 | 1 | 2 | |
| Chironomidae | 807 | 104 | 133 | 126 |
| Dixidae | 793 | 1 | ||
| Empididae | 831 | 1 | ||
| Pediciidae | 50011 | 6 | 16 | 5 |
| Psychodidae | 783 | 2 | 2 | |
| Simuliidae | 801 | 2 | 1 | |
| Tabanidae | 837 | 1 | 1 | 2 |
| Calopteryx | 650 | 1 | ||
| Sialis | 704 | 1 | ||
| Pacifastacus leniusculus | 873 | 3 | 1 | 1 |
| Gammarus | 892 | 3280 | 343 | 600 |
| Gammaridae | 887 | 43 | 120 | |
| Copepoda | 3206 | 1 | ||
| Hydracarina | 906 | 1 | 1 | |
| Pisidium | 1043 | 2 | ||
| Sphaeriidae | 1042 | 1 | ||
| Potamopyrgus antipodarum | 979 | 10 | 2 | 10 |
| Ancylus fluviatilis | 1029 | 2 | ||
| Oligochaeta | 933 | 17 | 46 | 50 |
| Nematoda | 1089 | 1 | ||
| Hydrozoa | 3168 | 1 | ||
| Bryozoa | 1087 | 1 | 1 | 1 |