Listes faunistiques invertébrés
Le Viaur à Ségur 05125860
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| Date prélèvement | 02/07/2019 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 20.0 |
| GFI | 9 |
| Variété taxonomique | 41 |
| Taxon indicateur | Perlidae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 70.0 | dominant |
| Blocs | 17.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | ||
| Sables | 3.0 | marginal |
| Algues | 1.0 | marginal |
| Dalles, argiles | 4.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Lente | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Nulle | A |
| P4 | Granulats | Lente | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Moyenne | B |
| P7 | Pierres, galets | Lente | B |
| P8 | Pierres, galets | Nulle | B |
| P9 | Pierres, galets | Rapide | C |
| P10 | Pierres, galets | Moyenne | C |
| P11 | Pierres, galets | Lente | C |
| P12 | Pierres, galets | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 65 | 110 | 88 |
| Leuctra geniculata | 33830 | 1 | 10 | 4 |
| Nemoura | 26 | 2 | ||
| Protonemura | 46 | 1 | 16 | 24 |
| Dinocras | 156 | 1 | 1 | 3 |
| Perla | 164 | 4 | 11 | |
| Perlidae | 155 | 2 | 12 | |
| Isoperla | 140 | 9 | ||
| Perlodidae | 127 | 1 | ||
| Micrasema | 268 | 12 | 7 | 1 |
| Agapetus | 191 | 10 | 5 | |
| Agapetinae | 9812 | 3 | 29 | |
| Glossosoma | 190 | 1 | ||
| Silo | 292 | 1 | ||
| Hydropsyche | 212 | 2 | 15 | 15 |
| Hydropsychidae | 211 | 22 | 15 | |
| Lepidostomatidae | 304 | 1 | ||
| Athripsodes | 311 | 1 | 7 | |
| Oecetis | 317 | 12 | ||
| Limnephilinae | 3163 | 8 | 4 | 6 |
| Philopotamus | 209 | 1 | 1 | |
| Wormaldia | 210 | 1 | 2 | |
| Philopotamidae | 206 | 1 | ||
| Polycentropus | 231 | 9 | 6 | |
| Polycentropodidae | 223 | 1 | 2 | 1 |
| Psychomyia pusilla | 240 | 5 | 1 | |
| Rhyacophila lato-sensu | 183 | 5 | 10 | 11 |
| Baetis lato sensu | 9794 | 39 | 85 | 68 |
| Procloeon | 390 | 2 | 2 | |
| Baetidae | 363 | 2 | 11 | 2 |
| Caenis | 457 | 13 | 5 | 1 |
| Ephemerella ignita | 451 | 47 | 7 | 6 |
| Ephemera | 502 | 47 | 36 | 26 |
| Ecdyonurus | 421 | 2 | 6 | 5 |
| Electrogena | 3181 | 1 | ||
| Epeorus | 400 | 15 | ||
| Rhithrogena | 404 | 5 | 63 | 38 |
| Heptageniidae | 399 | 2 | 58 | 31 |
| Habrophlebia | 491 | 2 | 2 | 1 |
| Paraleptophlebia | 481 | 4 | ||
| Leptophlebiidae | 473 | 67 | 8 | 14 |
| Micronecta | 719 | 3 | 2 | |
| Dupophilus | 620 | 8 | 221 | 56 |
| Elmis | 618 | 64 | 93 | 53 |
| Esolus | 619 | 4 | 56 | 32 |
| Limnius | 623 | 19 | 7 | |
| Oulimnius | 622 | 18 | 19 | 7 |
| Riolus | 625 | 4 | ||
| Hydraena | 608 | 1 | 8 | 9 |
| Athericidae | 838 | 15 | 4 | 5 |
| Blephariceridae | 747 | 1 | 3 | |
| Ceratopogonidae | 819 | 2 | ||
| Chironomidae | 807 | 1600 | 504 | 138 |
| Empididae | 831 | 2 | 1 | |
| Limoniidae | 757 | 13 | 11 | |
| Psychodidae | 783 | 1 | ||
| Simuliidae | 801 | 5 | 17 | 6 |
| Tabanidae | 837 | 1 | ||
| Calopteryx | 650 | 10 | ||
| Sialis | 704 | 1 | ||
| Agriotypus | 1083 | 1 | ||
| Gammarus | 892 | 3 | 1 | |
| Gammaridae | 887 | 4 | 1 | |
| Pacifastacus leniusculus | 873 | 18 | 1 | |
| Ancylus fluviatilis | 1029 | 13 | 115 | 40 |
| Potamopyrgus antipodarum | 979 | 1 | 1 | |
| Oligochaeta | 933 | 7 | 203 | 120 |
| Nemathelmintha | 3111 | 1 | 1 | 1 |
| Hydracarina | 906 | 1 | 1 | 1 |