Listes faunistiques invertébrés
La Geune à Juillan 05234285
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| Date prélèvement | 22/06/2020 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 17.0 |
| GFI | 8 |
| Variété taxonomique | 36 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 1.0 | marginal |
| Litieres | ||
| Branchage, racines | 3.0 | marginal |
| Pierres, galets | 79.0 | dominant |
| Blocs | 6.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | 5.0 | dominant |
| Vases | ||
| Sables | ||
| Algues | ||
| Dalles, argiles | 4.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Hydrophytes | Moyenne | A |
| P3 | Branchage, racines | Lente | A |
| P4 | Granulats | Lente | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Moyenne | B |
| P7 | Helophytes | Lente | B |
| P8 | Pierres, galets | Lente | B |
| P9 | Pierres, galets | Nulle | C |
| P10 | Pierres, galets | Rapide | C |
| P11 | Pierres, galets | Moyenne | C |
| P12 | Pierres, galets | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 2 | 4 | 13 |
| Leuctra geniculata | 33830 | 2 | 50 | 43 |
| Micrasema | 268 | 96 | 7 | 5 |
| Oligoplectrum maculatum | 264 | 1 | 2 | |
| Goera pilosa | 288 | 8 | ||
| Silo-lithax | 5219 | 1 | 1 | |
| Goeridae | 286 | 1 | 1 | |
| Cheumatopsyche lepida | 222 | 1 | ||
| Hydropsyche | 212 | 629 | 198 | 225 |
| Hydroptila | 200 | 13 | 8 | 4 |
| Ithytrichia | 198 | 2 | ||
| Hydroptilidae | 193 | 5 | 2 | 2 |
| Adicella | 320 | 1 | ||
| Mystacides | 312 | 1 | ||
| Polycentropus | 231 | 22 | 12 | 12 |
| Polycentropodidae | 223 | 16 | 5 | 6 |
| Psychomyia pusilla | 240 | 2 | 17 | |
| Tinodes | 245 | 3 | 17 | |
| Rhyacophila lato-sensu | 183 | 13 | 16 | 22 |
| Baetis lato sensu | 9794 | 69 | 232 | 127 |
| Centroptilum luteolum | 384 | 4 | 4 | 1 |
| Baetidae | 363 | 1 | ||
| Caenis | 457 | 72 | 13 | 23 |
| Ephemerella ignita | 451 | 182 | 73 | 31 |
| Ephemera | 502 | 1 | ||
| Paraleptophlebia | 481 | 3 | 1 | |
| Leptophlebiidae | 473 | 1 | 1 | |
| Micronecta | 719 | 1 | ||
| Dupophilus | 620 | 4 | ||
| Elmis | 618 | 71 | 8 | 28 |
| Esolus | 619 | 19 | 12 | 13 |
| Limnius | 623 | 6 | 13 | |
| Oulimnius | 622 | 48 | 5 | 15 |
| Stenelmis | 617 | 6 | ||
| Hydraena | 608 | 6 | 17 | 14 |
| Anthomyidae | 847 | 2 | ||
| Athericidae | 838 | 2 | 1 | |
| Ceratopogonidae | 819 | 1 | 1 | 1 |
| Chironomidae | 807 | 2452 | 736 | 305 |
| Dixidae | 793 | 1 | 1 | |
| Empididae | 831 | 1 | ||
| Ephydridae | 844 | 3 | ||
| Limoniidae | 757 | 1 | ||
| Psychodidae | 783 | 2 | ||
| Simuliidae | 801 | 1510 | 3613 | 813 |
| Onychogomphus | 682 | 2 | 5 | |
| Platycnemis | 657 | 1 | ||
| Sialis | 704 | 1 | ||
| Gammarus | 892 | 6 | 3 | |
| Gammaridae | 887 | 3 | 1 | 2 |
| Asellidae | 880 | 33 | 3 | |
| Pisidium | 1043 | 1 | ||
| Sphaerium | 1044 | 1 | ||
| Sphaeriidae | 1042 | 1 | 1 | |
| Ancylus fluviatilis | 1029 | 25 | 20 | 85 |
| Radix | 1004 | 1 | 1 | |
| Dugesiidae | 1055 | 29 | 12 | 16 |
| Oligochaeta | 933 | 129 | 15 | 44 |
| Copepoda | 3206 | 1 | ||
| Hydracarina | 906 | 1 | 1 | 1 |
| Hydrozoa | 3168 | 1 |