Listes faunistiques invertébrés
Jaur à Olargues 2 06185900
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| Date prélèvement | 25/06/2019 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 19.0 |
| GFI | 8 |
| Variété taxonomique | 41 |
| Taxon indicateur | Brachycentridae |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 46.0 | dominant |
| Blocs | 9.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 1.0 | marginal |
| Algues | 2.0 | marginal |
| Dalles, argiles | 38.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Pierres, galets | Moyenne | B |
| P2 | Blocs | Moyenne | B |
| P3 | Bryophytes | Moyenne | A |
| P4 | Dalles, argiles | Moyenne | B |
| P5 | Branchage, racines | Nulle | A |
| P6 | Pierres, galets | Lente | B |
| P7 | Dalles, argiles | Lente | C |
| P8 | Granulats | Nulle | A |
| P9 | Pierres, galets | Rapide | C |
| P10 | Dalles, argiles | Rapide | C |
| P11 | Pierres, galets | Nulle | C |
| P12 | Litieres | Nulle | A |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctridae | 66 | 177 | 123 | 81 |
| Leuctra geniculata | 33830 | 5 | 29 | 15 |
| Perla | 164 | 2 | ||
| Beraeamyia | 333 | 1 | ||
| Micrasema | 268 | 2 | ||
| Oligoplectrum | 263 | 3 | 19 | 41 |
| Hydropsyche | 212 | 6 | 10 | 6 |
| Hydroptila | 200 | 1 | ||
| Mystacides | 312 | 7 | 5 | |
| Oecetis | 317 | 1 | ||
| Setodes | 318 | 3 | 15 | 2 |
| Chimarra | 207 | 8 | 2 | |
| Polycentropodidae | 223 | 1 | ||
| Polycentropus | 231 | 23 | 10 | 2 |
| Psychomyia | 239 | 30 | 15 | |
| Tinodes | 245 | 1 | 3 | |
| Rhyacophila lato-sensu | 183 | 10 | 7 | 2 |
| Baetis | 364 | 13 | 21 | 69 |
| Procloeon | 390 | 2 | ||
| Caenis | 457 | 2 | ||
| Ephemerella ignita | 451 | 41 | 24 | 6 |
| Ephemera | 502 | 1 | ||
| Ecdyonurus | 421 | 7 | 3 | |
| Epeorus | 400 | 1 | ||
| Habrophlebia | 491 | 1 | ||
| Oligoneuriella | 394 | 5 | ||
| Potamanthus | 509 | 1 | ||
| Laccophilinae | 2394 | 1 | ||
| Dupophilus | 620 | 1 | ||
| Elmis | 618 | 10 | 3 | 5 |
| Esolus | 619 | 65 | 54 | 32 |
| Limnius | 623 | 88 | 27 | 25 |
| Oulimnius | 622 | 36 | 3 | 3 |
| Hydrocyphon | 637 | 1 | ||
| Hydraena | 608 | 1 | 6 | 3 |
| Anthomyidae | 847 | 1 | 1 | |
| Athericidae | 838 | 1 | ||
| Blephariceridae | 747 | 10 | ||
| Ceratopogonidae | 819 | 1 | 2 | |
| Chironomidae | 807 | 31 | 27 | 18 |
| Empididae | 831 | 1 | 1 | |
| Limoniidae | 757 | 4 | ||
| Psychodidae | 783 | 1 | ||
| Simuliidae | 801 | 5 | 24 | 6 |
| Boyeria | 670 | 4 | 1 | |
| Onychogomphus | 682 | 1 | 1 | 1 |
| Platycnemis | 657 | 1 | ||
| Ostracoda | 3170 | 3 | ||
| Gammarus | 892 | 6 | 9 | 2 |
| Ancylus | 1028 | 5 | 11 | 6 |
| Bithynia | 994 | 1 | ||
| Potamopyrgus | 978 | 6 | 12 | 6 |
| Radix | 1004 | 1 | ||
| Theodoxus | 967 | 1 | ||
| Physella | 19280 | 1 | ||
| Dugesiidae | 1055 | 3 | 18 | 9 |
| Oligochaeta | 933 | 3 | 4 | 9 |
| Hydrozoa | 3168 | 3 | 3 | |
| Nematoda | 1089 | 3 | ||
| Hydracarina | 906 | 3 | 3 | 3 |