Listes faunistiques invertébrés
L'Aveyron à Pessens 05127660
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| Date prélèvement | 12/08/2020 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 18.0 |
| GFI | 8 |
| Variété taxonomique | 39 |
| 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 | 2.0 | marginal |
| Pierres, galets | 80.0 | dominant |
| Blocs | 10.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | ||
| Sables | 2.0 | marginal |
| Algues | ||
| Dalles, argiles | 2.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Nulle | A |
| P4 | Granulats | Nulle | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Blocs | Lente | B |
| P7 | Pierres, galets | Moyenne | B |
| P8 | Pierres, galets | Nulle | B |
| P9 | Pierres, galets | Rapide | C |
| P10 | Pierres, galets | Lente | C |
| P11 | Pierres, galets | Moyenne | C |
| P12 | Pierres, galets | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 10 | 36 | 70 |
| Leuctra geniculata | 33830 | 1 | 12 | 8 |
| Nemoura | 26 | 1 | ||
| Micrasema | 268 | 5 | 1 | |
| Oligoplectrum maculatum | 264 | 1 | 3 | |
| Silo | 292 | 5 | 5 | |
| Silo-lithax | 5219 | 3 | ||
| Cheumatopsyche lepida | 222 | 2047 | 661 | 321 |
| Hydropsyche | 212 | 302 | 244 | 305 |
| Hydroptila | 200 | 24 | 37 | 7 |
| Hydroptilidae | 193 | 2 | 10 | |
| Athripsodes | 311 | 8 | 11 | 1 |
| Leptocerus | 319 | 2 | ||
| Mystacides | 312 | 1 | 7 | |
| Oecetis | 317 | 1 | ||
| Chimarra | 207 | 2 | 5 | 1 |
| Cyrnus | 224 | 1 | ||
| Polycentropus | 231 | 3 | 8 | 3 |
| Polycentropodidae | 223 | 1 | 3 | |
| Psychomyia pusilla | 240 | 1 | 4 | 11 |
| Rhyacophila lato-sensu | 183 | 14 | 20 | |
| Baetis lato sensu | 9794 | 31 | 82 | 82 |
| Centroptilum luteolum | 384 | 7 | 3 | 4 |
| Caenis | 457 | 25 | 8 | 4 |
| Ephemerella ignita | 451 | 46 | 4 | 1 |
| Torleya major | 452 | 2 | 6 | 10 |
| Ecdyonurus | 421 | 53 | 53 | |
| Heptageniidae | 399 | 100 | 84 | |
| Choroterpes picteti | 475 | 5 | ||
| Paraleptophlebia | 481 | 7 | 4 | 13 |
| Leptophlebiidae | 473 | 28 | 19 | 13 |
| Ephoron virgo | 497 | 44 | 51 | 48 |
| Micronecta | 719 | 2 | ||
| Hydrometra | 740 | 1 | ||
| Elmis | 618 | 16 | 65 | 30 |
| Esolus | 619 | 62 | 151 | 226 |
| Limnius | 623 | 5 | 10 | |
| Normandia | 624 | 8 | ||
| Oulimnius | 622 | 20 | 10 | |
| Riolus | 625 | 10 | ||
| Stenelmis | 617 | 1 | 1 | |
| Orectochilus | 515 | 1 | 2 | 3 |
| Hydraena | 608 | 1 | ||
| Athericidae | 838 | 2 | 5 | 5 |
| Chironomidae | 807 | 91 | 58 | 30 |
| Empididae | 831 | 13 | 3 | 11 |
| Limoniidae | 757 | 8 | 67 | 29 |
| Simuliidae | 801 | 8 | 1 | 115 |
| Onychogomphus | 682 | 4 | 3 | |
| Gomphidae | 678 | 1 | ||
| Platycnemis | 657 | 5 | ||
| Sialis | 704 | 1 | ||
| Gammarus | 892 | 12 | ||
| Gammaridae | 887 | 1 | ||
| Asellidae | 880 | 95 | 1 | |
| Pacifastacus leniusculus | 873 | 2 | 2 | |
| Ancylus fluviatilis | 1029 | 1 | 23 | 24 |
| Planorbidae | 1009 | 25 | ||
| Xironogiton | 23599 | 3 | ||
| Cambarincola okadai | 41797 | 2 | ||
| Dugesiidae | 1055 | 1 | ||
| Oligochaeta | 933 | 5 | 14 | |
| Nematoda | 1089 | 1 | ||
| Copepoda | 3206 | 1 | 1 | |
| Hydracarina | 906 | 1 | 1 | 1 |
| Bryozoa | 1087 | 1 | ||
| Prostoma | 3110 | 1 |