Listes faunistiques invertébrés
Le Gave de Cauterets à Pierrefitte 05218250
- Télécharger la fiche IRSTEA xls / 646 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 19/08/2021 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 15.0 |
| GFI | 9 |
| Variété taxonomique | 23 |
| I2M2 | 0.6014 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 14.0 | dominant |
| Blocs | 19.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 1.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 63.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Dalles, argiles | Moyenne | B |
| P2 | Granulats | Lente | A |
| P3 | Pierres, galets | Moyenne | B |
| P4 | Sables | Nulle | A |
| P5 | Dalles, argiles | Rapide | B |
| P6 | Bryophytes | Rapide | A |
| P7 | Blocs | Rapide | B |
| P8 | Dalles, argiles | Nulle | C |
| P9 | Branchage, racines | Nulle | A |
| P10 | Dalles, argiles | Lente | C |
| P11 | Dalles, argiles | Moyenne | C |
| P12 | Dalles, argiles | Rapide | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 47 | 9 | |
| Protonemura | 46 | 108 | 6 | 86 |
| Dinocras | 156 | 5 | 1 | |
| Hydropsyche | 212 | 2 | 14 | |
| Lepidostoma | 305 | 3 | ||
| Drusinae | 3120 | 15 | 9 | |
| Rhyacophila lato-sensu | 183 | 1 | 7 | 12 |
| Sericostomatidae | 321 | 7 | ||
| Baetis | 364 | 13 | 104 | 14 |
| Ephemerella ignita | 451 | 12 | 2 | 1 |
| Rhithrogena | 404 | 3 | ||
| Hydroporinae | 2393 | 4 | ||
| Oreodytes | 552 | 7 | ||
| Elmis | 618 | 3 | 2 | 6 |
| Esolus | 619 | 3 | 4 | |
| Limnius | 623 | 2 | 1 | |
| Liponeura | 752 | 4 | ||
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 427 | 192 | 562 |
| Dixa | 794 | 1 | ||
| Chelifera | 2884 | 2 | ||
| Clinocerinae | 9813 | 9 | 14 | |
| Limoniidae | 757 | 1 | ||
| Hexatoma | 773 | 3 | ||
| Antocha | 759 | 2 | 10 | 17 |
| Dicranota | 765 | 1 | ||
| Simuliidae | 801 | 83 | 3 | |
| Tipulidae | 753 | 1 | ||
| Oligochaeta | 933 | 1 | ||
| Nematoda | 1089 | 3 | 3 | |
| Hydracarina | 906 | 3 | 3 |