Listes faunistiques invertébrés
Le Ruisseau de Gasques à Gasques 05117430
- Télécharger la fiche IRSTEA xls / 660 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 27/07/2017 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 15.0 |
| GFI | 7 |
| Variété taxonomique | 30 |
| Taxon indicateur | Leuctridae |
| I2M2 | 0.4358 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 4.0 | marginal |
| Branchage, racines | 16.0 | dominant |
| Pierres, galets | 3.0 | marginal |
| Blocs | 1.0 | marginal |
| Granulats | 44.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 22.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 10.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Pierres, galets | Lente | A |
| P3 | Blocs | Nulle | A |
| P4 | Litieres | Nulle | A |
| P5 | Branchage, racines | Nulle | B |
| P6 | Granulats | Lente | B |
| P7 | Sables | Nulle | B |
| P8 | Dalles, argiles | Nulle | A |
| P9 | Granulats | Nulle | C |
| P10 | Granulats | Lente | C |
| P11 | Granulats | Nulle | C |
| P12 | Sables | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Euleuctra geniculata | 68 | 16 | 49 | 14 |
| Hydroptila | 200 | 1 | ||
| Ithytrichia | 198 | 7 | 1 | |
| Athripsodes | 311 | 1 | 1 | |
| Mystacides | 312 | 1 | ||
| Oecetis | 317 | 1 | 1 | |
| Limnephilinae | 3163 | 1 | ||
| Polycentropodidae | 223 | 2 | ||
| Cyrnus | 224 | 1 | 1 | |
| Polycentropus | 231 | 7 | 5 | 1 |
| Lype | 241 | 2 | 1 | |
| Centroptilum | 383 | 6 | 2 | |
| Ephemera | 502 | 5 | 22 | 19 |
| Leptophlebiidae | 473 | 3 | 1 | |
| Gerridae | 734 | 2 | 1 | |
| Veliidae | 743 | 1 | ||
| Elmis | 618 | 1 | ||
| Limnius | 623 | 4 | 4 | |
| Athericidae | 838 | 37 | 26 | 79 |
| Chironomidae | 807 | 5 | 6 | 5 |
| Empididae | 831 | 6 | 2 | |
| Psychodidae | 783 | 1 | ||
| Tabanidae | 837 | 1 | ||
| Cordulegaster | 687 | 1 | ||
| Gomphus | 679 | 2 | 6 | |
| Onychogomphus | 682 | 2 | 12 | |
| Calopteryx | 650 | 12 | 1 | |
| Sialis | 704 | 7 | 14 | 2 |
| Echinogammarus | 888 | 96 | 130 | 2 |
| Gammarus | 892 | 284 | 256 | 8 |
| Corbicula | 1051 | 24 | 260 | 56 |
| Sphaeriidae | 1042 | 12 | ||
| Pisidium | 1043 | 17 | 17 | 8 |
| Bithynia | 994 | 8 | 5 | |
| Potamopyrgus | 978 | 1 | 3 | |
| Physa (sensu lato) | 997 | 4 | ||
| Oligochaeta | 933 | 5 | 8 | 15 |
| Dugesiidae | 1055 | 1 | ||
| Nematoda | 1089 | 1 | ||
| Hydracarina | 906 | 3 |