Listes faunistiques invertébrés
L'Ourse au niveau d'Izaourt 05183850
- Télécharger la fiche IRSTEA xls / 103 ko
- Export SEEE csv / 9 ko
| Date prélèvement | 18/07/2017 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 16.0 |
| GFI | 7 |
| Variété taxonomique | 36 |
| Taxon indicateur | Leuctridae |
| 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 | 35.0 | dominant |
| Blocs | 45.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 1.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 16.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Moyenne | A |
| P3 | Granulats | Lente | A |
| P4 | Sables | Nulle | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Moyenne | B |
| P7 | Dalles, argiles | Moyenne | B |
| P8 | Blocs | Rapide | B |
| P9 | Pierres, galets | Lente | C |
| P10 | Blocs | Lente | C |
| P11 | Pierres, galets | Rapide | C |
| P12 | Blocs | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 196 | 86 | 100 |
| Leuctra geniculata | 33830 | 34 | 14 | 25 |
| Protonemura | 46 | 1 | 1 | |
| Dinocras | 156 | 1 | ||
| Perla | 164 | 1 | 2 | |
| Isoperla | 140 | 1 | ||
| Micrasema | 268 | 1 | ||
| Agapetus | 191 | 40 | 24 | 64 |
| Glossosoma | 190 | 4 | 20 | 12 |
| Glossosomatidae | 189 | 2 | ||
| Silo-lithax | 5219 | 5 | 3 | 8 |
| Hydropsyche | 212 | 120 | 150 | 46 |
| Lepidostomatidae | 304 | 1 | ||
| Athripsodes | 311 | 4 | 4 | 4 |
| Mystacides | 312 | 1 | ||
| Drusinae | 3120 | 6 | 2 | 3 |
| Limnephilinae | 3163 | 4 | ||
| Polycentropus | 231 | 1 | ||
| Polycentropodidae | 223 | 1 | ||
| Rhyacophila lato-sensu | 183 | 2 | 6 | 7 |
| Sericostoma | 322 | 27 | 2 | |
| Sericostomatidae | 321 | 1 | ||
| Baetis lato sensu | 9794 | 53 | 300 | 92 |
| Caenis | 457 | 16 | 1 | |
| Caenidae | 456 | 1 | ||
| Ephemerella ignita | 451 | 105 | 7 | 9 |
| Ephemera | 502 | 6 | 1 | |
| Ecdyonurus | 421 | 4 | 1 | |
| Epeorus | 400 | 5 | ||
| Rhithrogena | 404 | 1 | ||
| Dupophilus | 620 | 4 | 4 | 4 |
| Elmis | 618 | 34 | 50 | 55 |
| Esolus | 619 | 96 | 24 | 19 |
| Limnius | 623 | 19 | 2 | 6 |
| Hydraena | 608 | 3 | 2 | |
| Athericidae | 838 | 4 | 1 | |
| Blephariceridae | 747 | 1 | 30 | 52 |
| Ceratopogonidae | 819 | 4 | 1 | 2 |
| Chironomidae | 807 | 270 | 162 | 42 |
| Empididae | 831 | 3 | ||
| Limoniidae | 757 | 14 | 2 | 7 |
| Simuliidae | 801 | 17 | 670 | 246 |
| Gammarus | 892 | 282 | 4 | 5 |
| Pisidium | 1043 | 7 | ||
| Sphaeriidae | 1042 | 13 | ||
| Ancylus fluviatilis | 1029 | 1 | 5 | 1 |
| Bythinella | 992 | 1 | ||
| Potamopyrgus antipodarum | 979 | 1 | ||
| Radix | 1004 | 1 | ||
| Theodoxus fluviatilis | 968 | 19 | 6 | |
| Erpobdellidae | 928 | 1 | ||
| Dugesiidae | 1055 | 4 | ||
| Planariidae | 1061 | 84 | 7 | 48 |
| Oligochaeta | 933 | 433 | 23 | 35 |
| Nematoda | 1089 | 1 | ||
| Gordiaca | 5189 | 1 | ||
| Ostracoda | 3170 | 1 | 1 | |
| Hydracarina | 906 | 1 | 1 | 1 |