Listes faunistiques invertébrés
Le Cassurex à Najac 05125900
- Télécharger la fiche IRSTEA xls / 116 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 31/05/2017 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 16.0 |
| GFI | 7 |
| Variété taxonomique | 36 |
| Taxon indicateur | Leuctridae |
| I2M2 | 0.5883 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 36.0 | dominant |
| Blocs | 3.0 | marginal |
| Granulats | 3.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 50.0 | dominant |
| Algues | 1.0 | marginal |
| Dalles, argiles | 5.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Blocs | Lente | A |
| P4 | Granulats | Lente | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Sables | Nulle | B |
| P7 | Dalles, argiles | Nulle | B |
| P8 | Sables | Lente | B |
| P9 | Sables | Nulle | C |
| P10 | Pierres, galets | Lente | C |
| P11 | Sables | Lente | C |
| P12 | Pierres, galets | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 6 | ||
| Isoperla | 140 | 1 | 1 | |
| Perlodidae | 127 | 1 | ||
| Hydropsyche | 212 | 4 | 1 | 2 |
| Hydroptila | 200 | 1 | ||
| Limnephilinae | 3163 | 1 | ||
| Plectrocnemia | 228 | 1 | ||
| Polycentropus | 231 | 3 | 1 | 2 |
| Polycentropodidae | 223 | 2 | ||
| Rhyacophila lato-sensu | 183 | 4 | 23 | 15 |
| Baetis | 364 | 17 | 59 | 12 |
| Ephemerella ignita | 451 | 50 | 61 | 25 |
| Ephemera | 502 | 29 | 11 | 65 |
| Ecdyonurus | 421 | 3 | 29 | 3 |
| Epeorus | 400 | 2 | ||
| Rhithrogena | 404 | 2 | 2 | |
| Habrophlebia | 491 | 17 | 1 | 1 |
| Leptophlebiidae | 473 | 23 | 3 | |
| Gerris | 735 | 20 | 19 | |
| Elmis | 618 | 10 | 17 | 2 |
| Oulimnius | 622 | 4 | 1 | 1 |
| Helophorus | 604 | 1 | ||
| Hydrophilidae | 571 | 1 | ||
| Hydrocyphon | 637 | 1 | ||
| Athericidae | 838 | 2 | ||
| Blephariceridae | 747 | 1 | ||
| Ceratopogonidae | 819 | 1 | 1 | |
| Chironomidae | 807 | 95 | 75 | 89 |
| Dixidae | 793 | 1 | ||
| Limoniidae | 757 | 14 | 27 | 27 |
| Simuliidae | 801 | 15 | 39 | 1 |
| Tabanidae | 837 | 1 | 2 | |
| Tipulidae | 753 | 1 | ||
| Calopteryx | 650 | 1 | 1 | |
| Sialis | 704 | 1 | 1 | |
| Gammarus | 892 | 205 | 77 | 53 |
| Asellidae | 880 | 1 | ||
| Pacifastacus leniusculus | 873 | 1 | 1 | |
| Astacidae | 864 | 14 | 4 | 1 |
| Pisidium | 1043 | 2 | ||
| Sphaeriidae | 1042 | 4 | ||
| Ancylus | 1028 | 1 | 1 | 3 |
| Xironogiton | 23599 | 1 | ||
| Branchiobdellidae | 3132 | 3 | ||
| Oligochaeta | 933 | 14 | 47 | 38 |
| Nemathelmintha | 3111 | 2 | ||
| Hydracarina | 906 | 1 |