Listes faunistiques invertébrés
Le Bastan en aval de Luz-St-Sauveur 05218525
- Télécharger la fiche IRSTEA xls / 648 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 28/09/2022 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 17.0 |
| GFI | 9 |
| Variété taxonomique | 32 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 20.0 | dominant |
| Blocs | 20.0 | dominant |
| Granulats | 2.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 1.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 54.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Dalles, argiles | Moyenne | B |
| P2 | Dalles, argiles | Rapide | B |
| P3 | Branchage, racines | Nulle | A |
| P4 | Granulats | Lente | A |
| P5 | Dalles, argiles | Rapide | C |
| P6 | Pierres, galets | Moyenne | C |
| P7 | Pierres, galets | Rapide | B |
| P8 | Helophytes | Nulle | A |
| P9 | Litieres | Nulle | A |
| P10 | Blocs | Rapide | B |
| P11 | Dalles, argiles | Lente | C |
| P12 | Dalles, argiles | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 12 | 12 | 2 |
| Amphinemura | 21 | 84 | 59 | 26 |
| Nemoura | 26 | 99 | 2 | 2 |
| Protonemura | 46 | 3 | 1 | |
| Dinocras | 156 | 8 | 11 | 1 |
| Perlodidae | 127 | 2 | ||
| Isoperla | 140 | 1 | ||
| Micrasema | 268 | 1 | ||
| Hydropsychidae | 211 | 29 | ||
| Hydropsyche | 212 | 2 | 48 | |
| Hydroptila | 200 | 1 | ||
| Lasiocephala | 307 | 81 | 3 | |
| Athripsodes | 311 | 14 | 2 | 5 |
| Drusinae | 3120 | 2 | 5 | 5 |
| Rhyacophila lato-sensu | 183 | 15 | 3 | |
| Sericostomatidae | 321 | 101 | 3 | 11 |
| Sericostoma | 322 | 39 | ||
| Baetis | 364 | 170 | 163 | 66 |
| Caenis | 457 | 1 | ||
| Ephemerella ignita | 451 | 2 | ||
| Heptageniidae | 399 | 3 | 12 | 14 |
| Ecdyonurus | 421 | 28 | 2 | |
| Epeorus | 400 | 64 | 9 | |
| Rhithrogena | 404 | 14 | 23 | 33 |
| Hydroporinae | 2393 | 2 | ||
| Elmis | 618 | 8 | 27 | 2 |
| Esolus | 619 | 4 | 12 | 11 |
| Limnius | 623 | 7 | 5 | 14 |
| Riolus | 625 | 1 | ||
| Athericidae | 838 | 1 | ||
| Liponeura | 752 | 19 | 29 | |
| Ceratopogonidae | 819 | 1 | 1 | 6 |
| Chironomidae | 807 | 166 | 145 | 89 |
| Dixidae | 793 | 2 | ||
| Dixa | 794 | 3 | ||
| Empididae | 831 | 2 | 14 | 6 |
| Ephydridae | 844 | 2 | ||
| Limoniidae | 757 | 8 | 5 | 5 |
| Simuliidae | 801 | 2 | 42 | 95 |
| Tabanidae | 837 | 2 | 1 | |
| Ostracoda | 3170 | 3 | 3 | |
| Ancylus | 1028 | 2 | 1 | 1 |
| Lymnaeidae | 998 | 88 | ||
| Radix | 1004 | 48 | 7 | |
| Pisidium | 1043 | 2 | ||
| Oligochaeta | 933 | 56 | 28 | 9 |
| Nematoda | 1089 | 3 | ||
| Hydracarina | 906 | 3 | 3 | 3 |