Listes faunistiques invertébrés
L'Ourse au niveau d'Izaourt 05183850
- Télécharger la fiche IRSTEA xls / 619 ko
- Export SEEE csv / 11 ko
| Date prélèvement | 14/09/2021 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 20.0 |
| GFI | 9 |
| Variété taxonomique | 45 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 55.0 | dominant |
| Blocs | 35.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | ||
| Vases | ||
| Sables | 1.0 | marginal |
| Algues | ||
| Dalles, argiles | 5.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Lente | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Nulle | A |
| P4 | Granulats | Lente | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Rapide | B |
| P7 | Dalles, argiles | Moyenne | B |
| P8 | Pierres, galets | Lente | B |
| P9 | Pierres, galets | Rapide | C |
| P10 | Pierres, galets | Nulle | C |
| P11 | Blocs | Moyenne | C |
| P12 | Pierres, galets | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Siphonoperla | 174 | 1 | ||
| Leuctra | 69 | 388 | 57 | 52 |
| Leuctra geniculata | 33830 | 3 | ||
| Nemoura | 26 | 3 | ||
| Protonemura | 46 | 6 | 2 | |
| Dinocras | 156 | 2 | 5 | 2 |
| Perla | 164 | 1 | 10 | 1 |
| Isoperla | 140 | 1 | ||
| Brachycentrus | 265 | 657 | 44 | 245 |
| Micrasema | 268 | 1023 | 196 | 355 |
| Agapetinae | 9812 | 8 | 4 | 27 |
| Glossosoma | 190 | 1 | ||
| Silo | 292 | 30 | 61 | 41 |
| Silo-lithax | 5219 | 2 | ||
| Hydropsyche | 212 | 33 | 69 | 46 |
| Hydropsychidae | 211 | 3 | ||
| Ithytrichia | 198 | 1 | ||
| Lepidostoma basale | 49953 | 5 | ||
| Lepidostoma | 305 | 40 | 32 | 23 |
| Athripsodes | 311 | 2 | ||
| Mystacides | 312 | 1 | 3 | |
| Limnephilinae | 3163 | 1 | 1 | |
| Limnephilidae | 276 | 2 | ||
| Odontocerum albicorne | 340 | 3 | 1 | |
| Polycentropus | 231 | 5 | 4 | 4 |
| Polycentropodidae | 223 | 1 | ||
| Rhyacophila lato-sensu | 183 | 2 | 5 | 6 |
| Sericostoma | 322 | 49 | 1 | |
| Sericostomatidae | 321 | 30 | 1 | 17 |
| Baetis lato sensu | 9794 | 4 | 7 | 20 |
| Caenis | 457 | 1 | ||
| Ephemerella ignita | 451 | 3 | ||
| Torleya major | 452 | 1 | 1 | |
| Ephemera | 502 | 3 | ||
| Ecdyonurus | 421 | 6 | 11 | |
| Epeorus | 400 | 13 | 6 | |
| Rhithrogena | 404 | 2 | 1 | |
| Heptageniidae | 399 | 7 | 13 | 5 |
| Leptophlebiidae | 473 | 2 | 1 | |
| Pomatinus substriatus | 33844 | 19 | 2 | |
| Colymbetinae | 2395 | 11 | ||
| Dupophilus | 620 | 13 | 8 | |
| Elmis | 618 | 360 | 294 | 141 |
| Esolus | 619 | 160 | 52 | 47 |
| Limnius | 623 | 67 | 16 | 27 |
| Elmidae | 614 | 13 | ||
| Orectochilus | 515 | 7 | 3 | 9 |
| Hydraena | 608 | 5 | 6 | 7 |
| Athericidae | 838 | 3 | 3 | 6 |
| Blephariceridae | 747 | 1 | ||
| Ceratopogonidae | 819 | 1 | 1 | |
| Chironomidae | 807 | 458 | 75 | 49 |
| Empididae | 831 | 4 | 1 | 1 |
| Limoniidae | 757 | 4 | ||
| Pediciidae | 50011 | 4 | 7 | |
| Simuliidae | 801 | 7 | 1 | |
| Tabanidae | 837 | 1 | ||
| Boyeria irene | 671 | 1 | ||
| Calopteryx | 650 | 26 | ||
| Gammarus | 892 | 7 | ||
| Gammaridae | 887 | 9 | 2 | |
| Copepoda | 3206 | 1 | ||
| Ostracoda | 3170 | 1 | ||
| Hydracarina | 906 | 1 | 1 | 1 |
| Radix | 1004 | 15 | 6 | 5 |
| Theodoxus fluviatilis | 968 | 4 | ||
| Ancylus fluviatilis | 1029 | 2 | 4 | 12 |
| Oligochaeta | 933 | 40 | 91 | 46 |
| Planariidae | 1061 | 1 | ||
| Gordiaca | 5189 | 1 | ||
| Nematoda | 1089 | 1 |