Listes faunistiques invertébrés
L'Alrance à Alrance 05144250
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| Date prélèvement | 23/06/2021 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 17.0 |
| GFI | 9 |
| Variété taxonomique | 31 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 2.0 | marginal |
| Hydrophytes | 1.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 4.0 | marginal |
| Pierres, galets | 15.0 | dominant |
| Blocs | 1.0 | marginal |
| Granulats | 42.0 | dominant |
| Helophytes | ||
| Vases | ||
| Sables | 30.0 | dominant |
| Algues | ||
| Dalles, argiles | 4.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Hydrophytes | Lente | A |
| P3 | Litieres | Nulle | A |
| P4 | Branchage, racines | Lente | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Granulats | Lente | B |
| P7 | Granulats | Moyenne | B |
| P8 | Sables | Nulle | B |
| P9 | Granulats | Nulle | C |
| P10 | Granulats | Lente | C |
| P11 | Sables | Lente | C |
| P12 | Sables | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 42 | 92 | 28 |
| Protonemura | 46 | 5 | 1 | |
| Isoperla | 140 | 9 | 2 | |
| Brachycentrus | 265 | 1 | ||
| Agapetinae | 9812 | 1 | ||
| Glossosomatidae | 189 | 2 | ||
| Goeridae | 286 | 1 | 3 | |
| Hydropsyche | 212 | 13 | 6 | |
| Oecetis | 317 | 6 | 1 | |
| Leptoceridae | 310 | 1 | ||
| Limnephilinae | 3163 | 1 | 2 | |
| Plectrocnemia | 228 | 1 | ||
| Polycentropus | 231 | 9 | ||
| Lype | 241 | 1 | ||
| Psychomyia | 239 | 1 | ||
| Rhyacophila lato-sensu | 183 | 4 | 1 | |
| Alainites | 32269 | 2 | ||
| Baetis lato sensu | 9794 | 9 | 47 | 3 |
| Centroptilum | 383 | 1 | ||
| Procloeon | 390 | 1 | ||
| Ephemerella ignita | 451 | 264 | 29 | 16 |
| Ephemera | 502 | 10 | 7 | |
| Ecdyonurus | 421 | 2 | 88 | 3 |
| Rhithrogena | 404 | 136 | ||
| Habrophlebia | 491 | 144 | ||
| Paraleptophlebia | 481 | 16 | 7 | |
| Leptophlebiidae | 473 | 164 | 3 | |
| Dupophilus | 620 | 2 | 164 | 4 |
| Elmis | 618 | 20 | 8 | 2 |
| Esolus | 619 | 1 | 48 | 2 |
| Limnius | 623 | 20 | 1 | |
| Ceratopogonidae | 819 | 5 | 6 | 6 |
| Chironomidae | 807 | 88 | 144 | 140 |
| Empididae | 831 | 2 | 1 | |
| Limoniidae | 757 | 1 | ||
| Pediciini | 20537 | 4 | 60 | 23 |
| Simuliidae | 801 | 17 | 2 | |
| Tabanidae | 837 | 1 | ||
| Sialis | 704 | 1 | ||
| Gammarus | 892 | 1185 | 320 | 236 |
| Copepoda | 3206 | 1 | ||
| Pacifastacus | 872 | 8 | ||
| Pisidium | 1043 | 2 | 1 | 4 |
| Sphaeriidae | 1042 | 1 | 3 | 4 |
| Planorbidae | 1009 | 1 | ||
| Oligochaeta | 933 | 3 | 312 | 136 |
| Polycelis | 1064 | 1 | ||
| Nemathelmintha | 3111 | 1 |