Listes faunistiques invertébrés
Le Ruisseau de Gasques à Gasques 05117430
- Télécharger la fiche IRSTEA xls / 2201 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 18/07/2016 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 14.0 |
| GFI | 7 |
| Variété taxonomique | 26 |
| Taxon indicateur | Leuctridae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | 2.0 | marginal |
| Branchage, racines | 15.0 | dominant |
| Pierres, galets | 3.0 | marginal |
| Blocs | 1.0 | marginal |
| Granulats | 47.0 | dominant |
| Helophytes | ||
| Vases | ||
| Sables | 20.0 | dominant |
| Algues | ||
| Dalles, argiles | 12.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Pierres, galets | Lente | A |
| P3 | Blocs | Lente | A |
| P4 | Pierres, galets | Lente | A |
| P5 | Branchage, racines | Lente | B |
| P6 | Granulats | Lente | B |
| P7 | Sables | Nulle | B |
| P8 | Dalles, argiles | Lente | B |
| P9 | Granulats | Nulle | C |
| P10 | Granulats | Lente | C |
| P11 | Granulats | Nulle | C |
| P12 | Sables | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 3 | 4 | |
| Euleuctra geniculata | 68 | 15 | 13 | 23 |
| Hydropsyche | 212 | 15 | 1 | 2 |
| Hydroptila | 200 | 24 | 5 | 4 |
| Ithytrichia | 198 | 14 | 3 | 2 |
| Mystacides | 312 | 1 | 4 | |
| Oecetis | 317 | 1 | ||
| Polycentropus | 231 | 1 | 6 | |
| Tinodes | 245 | 4 | 4 | 1 |
| Rhyacophila lato-sensu | 183 | 1 | ||
| Baetis lato sensu | 9794 | 25 | ||
| Ephemera | 502 | 5 | 20 | 20 |
| Ecdyonurus | 421 | 1 | 2 | |
| Leptophlebiidae | 473 | 4 | ||
| Paraleptophlebia | 481 | 1 | 2 | |
| Gerris | 735 | 2 | ||
| Elmis | 618 | 3 | 1 | 1 |
| Esolus | 619 | 2 | ||
| Limnius | 623 | 3 | 1 | 2 |
| Riolus | 625 | 1 | 2 | 2 |
| Stenelmis | 617 | 1 | ||
| Athericidae | 838 | 27 | 25 | 35 |
| Chironomidae | 807 | 9 | 16 | 20 |
| Empididae | 831 | 1 | 1 | 4 |
| Limoniidae | 757 | 1 | ||
| Simuliidae | 801 | 4 | 2 | |
| Tabanidae | 837 | 1 | ||
| Gomphus | 679 | 1 | 3 | |
| Onychogomphus | 682 | 8 | 2 | 5 |
| Platycnemis | 657 | 1 | ||
| Sialis | 704 | 1 | ||
| Copepoda | 3206 | 1 | ||
| Echinogammarus | 888 | 28 | 39 | 51 |
| Gammarus | 892 | 252 | 158 | 204 |
| Corbicula | 1051 | 9 | 12 | 46 |
| Pisidium | 1043 | 2 | 2 | 7 |
| Potamopyrgus | 978 | 3 | 5 | 24 |
| Glossiphoniidae | 908 | 1 | ||
| Oligochaeta | 933 | 8 | 21 | 25 |
| Planariidae | 1061 | 8 | 8 | |
| Hydracarina | 906 | 4 | 1 |