Listes faunistiques invertébrés
Le Lignon-du-Velay à Tence 04003200
- Télécharger la fiche IRSTEA xls / 39 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 04/08/2021 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 15.0 |
| GFI | 7 |
| Variété taxonomique | 29 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 15.0 | dominant |
| Blocs | 33.0 | dominant |
| Granulats | ||
| Helophytes | 3.0 | marginal |
| Vases | ||
| Sables | 2.0 | marginal |
| Algues | ||
| Dalles, argiles | 44.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Branchage, racines | Lente | A |
| P3 | Litieres | Nulle | A |
| P4 | Helophytes | Nulle | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Moyenne | B |
| P7 | Dalles, argiles | Moyenne | B |
| P8 | Dalles, argiles | Lente | B |
| P9 | Blocs | Lente | C |
| P10 | Blocs | Nulle | C |
| P11 | Dalles, argiles | Rapide | C |
| P12 | Dalles, argiles | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 4 | 13 | 25 |
| Protonemura | 46 | 2 | ||
| Micrasema | 268 | 1 | ||
| Hydropsyche | 212 | 30 | 4 | |
| Hydroptila | 200 | 6 | 1 | |
| Mystacides | 312 | 2 | ||
| Cyrnus | 224 | 3 | ||
| Polycentropus | 231 | 2 | 14 | 28 |
| Psychomyia | 239 | 35 | 5 | |
| Tinodes | 245 | 1 | ||
| Rhyacophila lato-sensu | 183 | 5 | 2 | 1 |
| Baetis lato sensu | 9794 | 86 | 20 | 332 |
| Centroptilum | 383 | 1 | ||
| Caenis | 457 | 1 | 1 | |
| Ephemerella ignita | 451 | 96 | 3 | 3 |
| Ecdyonurus | 421 | 2 | ||
| Paraleptophlebia | 481 | 1 | 1 | |
| Elmis | 618 | 4 | 1 | |
| Esolus | 619 | 5 | 2 | |
| Oulimnius | 622 | 1 | ||
| Hydraena | 608 | 1 | ||
| Helodes | 636 | 1 | ||
| Athericidae | 838 | 1 | 1 | |
| Chironomidae | 807 | 224 | 170 | 88 |
| Empididae | 831 | 1 | ||
| Limoniidae | 757 | 20 | ||
| Psychodidae | 783 | 2 | 2 | |
| Simuliidae | 801 | 15 | 11 | |
| Tipulidae | 753 | 1 | 1 | |
| Onychogomphus | 682 | 1 | ||
| Gammarus | 892 | 10 | 5 | |
| Pisidium | 1043 | 1 | ||
| Sphaeriidae | 1042 | 4 | 1 | |
| Planorbidae | 1009 | 1 | 48 | 10 |
| Oligochaeta | 933 | 448 | 6 | 3 |
| Hydracarina | 906 | 1 | 1 |