Listes faunistiques invertébrés
L'Alrance à Alrance 05144250
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| Date prélèvement | 26/09/2017 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 19.0 |
| GFI | 9 |
| Variété taxonomique | 37 |
| Taxon indicateur | Perlodidae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 2.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 15.0 | dominant |
| Blocs | 1.0 | marginal |
| Granulats | 60.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 19.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Lente | A |
| P4 | Blocs | Lente | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Granulats | Lente | B |
| P7 | Granulats | Nulle | B |
| P8 | Sables | Lente | B |
| P9 | Granulats | Lente | C |
| P10 | Granulats | Nulle | C |
| P11 | Granulats | Lente | C |
| P12 | Granulats | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Siphonoperla | 174 | 1 | 23 | |
| Leuctra | 69 | 8 | 45 | 118 |
| Nemoura | 26 | 101 | 67 | 61 |
| Protonemura | 46 | 14 | 3 | |
| Perlodes | 150 | 4 | 3 | |
| Perlodidae | 127 | 1 | ||
| Micrasema | 268 | 3 | ||
| Silo | 292 | 20 | 44 | |
| Silo-lithax | 5219 | 2 | 8 | 6 |
| Goeridae | 286 | 1 | ||
| Hydropsyche | 212 | 12 | 9 | |
| Ithytrichia | 198 | 2 | 1 | |
| Mystacides | 312 | 1 | ||
| Oecetis | 317 | 1 | ||
| Limnephilinae | 3163 | 1 | 2 | |
| Limnephilidae | 276 | 2 | 1 | |
| Wormaldia | 210 | 1 | ||
| Polycentropus | 231 | 23 | 3 | 2 |
| Polycentropodidae | 223 | 4 | 1 | |
| Lype | 241 | 2 | ||
| Psychomyia | 239 | 1 | 1 | |
| Rhyacophila lato-sensu | 183 | 2 | 1 | |
| Sericostoma | 322 | 1 | ||
| Baetis | 364 | 26 | 51 | 43 |
| Procloeon | 390 | 5 | ||
| Ephemerella ignita | 451 | 1 | ||
| Ephemera | 502 | 5 | 202 | 44 |
| Ecdyonurus | 421 | 40 | 161 | 320 |
| Epeorus | 400 | 4 | ||
| Rhithrogena | 404 | 11 | 60 | 160 |
| Heptageniidae | 399 | 7 | 36 | 160 |
| Habrophlebia | 491 | 12 | 38 | 240 |
| Paraleptophlebia | 481 | 24 | 4 | 8 |
| Leptophlebiidae | 473 | 82 | 60 | 192 |
| Micronecta | 719 | 2 | ||
| Colymbetinae | 2395 | 3 | 1 | |
| Dupophilus | 620 | 56 | 562 | 897 |
| Elmis | 618 | 100 | 64 | 80 |
| Esolus | 619 | 16 | 48 | 64 |
| Limnius | 623 | 20 | 32 | 160 |
| Oulimnius | 622 | 16 | 96 | |
| Riolus | 625 | 1 | ||
| Orectochilus | 515 | 1 | 4 | 3 |
| Hydraena | 608 | 2 | ||
| Ceratopogonidae | 819 | 27 | 3 | |
| Chironomidae | 807 | 183 | 177 | 33 |
| Limoniidae | 757 | 20 | 31 | |
| Ptychopteridae | 789 | 1 | ||
| Simuliidae | 801 | 1 | 1 | |
| Calopteryx | 650 | 21 | ||
| Sialis | 704 | 5 | 1 | |
| Gammarus | 892 | 573 | 353 | 363 |
| Copepoda | 3206 | 1 | ||
| Ostracoda | 3170 | 1 | ||
| Pacifastacus | 872 | 2 | ||
| Pisidium | 1043 | 3 | 33 | 13 |
| Ancylus | 1028 | 214 | 360 | |
| Oligochaeta | 933 | 83 | 70 | 80 |
| Mermithoïdea | 3159 | 1 |