Listes faunistiques invertébrés
L'Arac à Biert 05180550
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| Date prélèvement | 19/08/2020 |
|---|---|
| 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 | 12.0 | dominant |
| Blocs | 26.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | ||
| Sables | 2.0 | marginal |
| Algues | 1.0 | marginal |
| Dalles, argiles | 54.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Lente | A |
| P4 | Granulats | Lente | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Moyenne | B |
| P7 | Dalles, argiles | Moyenne | B |
| P8 | Dalles, argiles | Rapide | B |
| P9 | Dalles, argiles | Lente | C |
| P10 | Dalles, argiles | Nulle | C |
| P11 | Blocs | Rapide | C |
| P12 | Dalles, argiles | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Chloroperla | 170 | 2 | 1 | |
| Leuctra | 69 | 144 | 45 | 24 |
| Nemoura | 26 | 3 | 1 | 2 |
| Protonemura | 46 | 99 | 7 | |
| Dinocras | 156 | 25 | 4 | |
| Perla | 164 | 13 | 24 | 7 |
| Perlidae | 155 | 6 | ||
| Isoperla | 140 | 5 | ||
| Perlodes | 150 | 3 | 1 | |
| Perlodidae | 127 | 2 | ||
| Micrasema | 268 | 720 | 1200 | 3930 |
| Oligoplectrum maculatum | 264 | 2 | ||
| Agapetus | 191 | 52 | 1 | 20 |
| Agapetus-synagapetus | 5218 | 5 | 6 | |
| Glossosoma | 190 | 1 | ||
| Silo | 292 | 4 | 21 | 14 |
| Goeridae | 286 | 3 | ||
| Hydropsyche | 212 | 686 | 105 | 84 |
| Hydropsychidae | 211 | 5 | ||
| Hydroptila | 200 | 2 | ||
| Lasiocephala | 307 | 138 | 1 | 2 |
| Lepidostomatidae | 304 | 15 | 8 | 5 |
| Adicella | 320 | 15 | ||
| Mystacides | 312 | 2 | ||
| Drusinae | 3120 | 6 | ||
| Limnephilinae | 3163 | 2 | ||
| Odontocerum albicorne | 340 | 1 | 2 | |
| Polycentropus | 231 | 4 | 1 | |
| Psychomyia pusilla | 240 | 3 | ||
| Rhyacophila lato-sensu | 183 | 7 | 28 | 34 |
| Sericostoma | 322 | 54 | 2 | 1 |
| Sericostomatidae | 321 | 69 | 89 | 23 |
| Thremma | 301 | 1 | ||
| Baetis lato sensu | 9794 | 291 | 960 | 880 |
| Caenis | 457 | 1 | ||
| Ephemerella ignita | 451 | 168 | 15 | 8 |
| Ecdyonurus | 421 | 13 | 2 | |
| Epeorus | 400 | 2 | 123 | 9 |
| Rhithrogena | 404 | 8 | 15 | 9 |
| Heptageniidae | 399 | 1 | 7 | 1 |
| Dryops | 613 | 1 | ||
| Pomatinus substriatus | 33844 | 2 | ||
| Hydroporinae | 2393 | 10 | 4 | |
| Dupophilus | 620 | 137 | 50 | 31 |
| Elmis | 618 | 1577 | 310 | 233 |
| Esolus | 619 | 4 | 40 | 15 |
| Limnius | 623 | 5 | 20 | 30 |
| Orectochilus | 515 | 3 | 1 | |
| Hydraena | 608 | 9 | 17 | 5 |
| Hydrocyphon | 637 | 1 | ||
| Athericidae | 838 | 1 | 4 | |
| Blephariceridae | 747 | 5 | 1 | |
| Ceratopogonidae | 819 | 2 | 4 | |
| Chironomidae | 807 | 800 | 576 | 780 |
| Empididae | 831 | 5 | 5 | 11 |
| Limoniidae | 757 | 4 | 33 | 57 |
| Psychodidae | 783 | 1 | ||
| Rhagionidae | 841 | 1 | ||
| Simuliidae | 801 | 43 | 1620 | 930 |
| Gammarus | 892 | 2 | ||
| Pisidium | 1043 | 2 | ||
| Ancylus fluviatilis | 1029 | 5 | 2 | |
| Hydrobiidae | 973 | 1 | 1 | |
| Planariidae | 1061 | 4 | 3 | |
| Oligochaeta | 933 | 37 | 10 | 7 |
| Nematoda | 1089 | 1 | 1 | 1 |
| Hydracarina | 906 | 1 | 1 | 1 |