Listes faunistiques invertébrés
L'Ourse au niveau d'Izaourt 05183850
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| Date prélèvement | 22/08/2022 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 19.0 |
| GFI | 9 |
| Variété taxonomique | 40 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 53.0 | dominant |
| Blocs | 35.0 | dominant |
| Granulats | 2.0 | marginal |
| Helophytes | ||
| Vases | ||
| Sables | 3.0 | marginal |
| Algues | ||
| Dalles, argiles | 5.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Lente | A |
| P3 | Granulats | Nulle | A |
| P4 | Sables | Nulle | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Blocs | Moyenne | B |
| P7 | Dalles, argiles | Moyenne | B |
| P8 | Pierres, galets | Moyenne | B |
| P9 | Pierres, galets | Nulle | C |
| P10 | Blocs | Lente | C |
| P11 | Pierres, galets | Rapide | C |
| P12 | Blocs | Rapide | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 73 | 27 | 120 |
| Leuctra geniculata | 33830 | 4 | 6 | |
| Nemoura | 26 | 2 | 1 | |
| Protonemura | 46 | 1 | 24 | |
| Dinocras | 156 | 2 | 3 | |
| Perla | 164 | 1 | 1 | |
| Isoperla | 140 | 1 | ||
| Perlodes | 150 | 1 | 1 | |
| Brachycentrus maculatus | 49101 | 5 | 15 | 150 |
| Micrasema | 268 | 6 | 105 | 255 |
| Agapetinae | 9812 | 21 | 4 | |
| Glossosoma | 190 | 4 | ||
| Silo | 292 | 4 | 2 | 2 |
| Silo-lithax | 5219 | 2 | ||
| Goeridae | 286 | 1 | ||
| Hydropsyche | 212 | 25 | 137 | |
| Hydropsychidae | 211 | 29 | ||
| Hydroptila | 200 | 1 | ||
| Ithytrichia | 198 | 1 | ||
| Lepidostoma basale | 49953 | 5 | 3 | 9 |
| Lepidostomatidae | 304 | 2 | 11 | |
| Athripsodes | 311 | 3 | 2 | |
| Mystacides | 312 | 50 | 17 | |
| Oecetis | 317 | 1 | ||
| Leptoceridae | 310 | 1 | 1 | |
| Drusinae | 3120 | 2 | 1 | |
| Limnephilinae | 3163 | 1 | 1 | |
| Odontocerum albicorne | 340 | 2 | 2 | |
| Polycentropus | 231 | 1 | 9 | |
| Rhyacophila lato-sensu | 183 | 6 | 5 | |
| Sericostoma | 322 | 44 | 5 | 4 |
| Sericostomatidae | 321 | 29 | 15 | 6 |
| Baetis lato sensu | 9794 | 1 | 14 | 23 |
| Centroptilum luteolum | 384 | 2 | ||
| Procloeon | 390 | 1 | 4 | |
| Caenis | 457 | 14 | 2 | |
| Ephemerella ignita | 451 | 2 | 2 | 6 |
| Torleya major | 452 | 1 | ||
| Ephemera | 502 | 17 | ||
| Ecdyonurus | 421 | 5 | 3 | |
| Epeorus | 400 | 1 | 18 | 26 |
| Rhithrogena | 404 | 4 | ||
| Heptageniidae | 399 | 3 | 4 | |
| Paraleptophlebia | 481 | 1 | 1 | |
| Leptophlebiidae | 473 | 1 | ||
| Micronecta | 719 | 40 | ||
| Pomatinus substriatus | 33844 | 1 | ||
| Colymbetinae | 2395 | 5 | ||
| Dupophilus | 620 | 6 | ||
| Elmis | 618 | 87 | 123 | 326 |
| Esolus | 619 | 51 | 29 | 46 |
| Limnius | 623 | 27 | 5 | 6 |
| Orectochilus | 515 | 4 | 11 | 48 |
| Hydraena | 608 | 7 | 4 | |
| Athericidae | 838 | 5 | 1 | 1 |
| Ceratopogonidae | 819 | 3 | 1 | |
| Chironomidae | 807 | 345 | 27 | 360 |
| Empididae | 831 | 20 | 1 | 4 |
| Limoniidae | 757 | 1 | 1 | 11 |
| Pediciidae | 50011 | 9 | 1 | |
| Simuliidae | 801 | 6 | 11 | |
| Boyeria irene | 671 | 2 | ||
| Calopteryx | 650 | 25 | 1 | |
| Gammaridae | 887 | 1 | ||
| Copepoda | 3206 | 1 | ||
| Ostracoda | 3170 | 1 | ||
| Hydracarina | 906 | 1 | 1 | 1 |
| Bythinella | 992 | 1 | ||
| Hydrobiidae | 973 | 1 | ||
| Radix | 1004 | 1 | 1 | |
| Ancylus fluviatilis | 1029 | 3 | 5 | |
| Oligochaeta | 933 | 18 | 5 | 15 |
| Nematoda | 1089 | 1 |