Listes faunistiques invertébrés
Le Viaur à Ségur 05125860
- Télécharger la fiche IRSTEA xls / 619 ko
- Export SEEE csv / 11 ko
| Date prélèvement | 05/08/2021 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 20.0 |
| GFI | 9 |
| Variété taxonomique | 41 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | ||
| Litieres | ||
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 82.0 | dominant |
| Blocs | 8.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | ||
| Sables | 2.0 | marginal |
| Algues | ||
| Dalles, argiles | 4.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Granulats | Nulle | A |
| P4 | Helophytes | 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 |
|---|---|---|---|---|
| Chloroperlidae | 169 | 1 | ||
| Leuctra | 69 | 6 | 51 | 136 |
| Leuctra geniculata | 33830 | 2 | ||
| Protonemura | 46 | 79 | 1 | 9 |
| Dinocras | 156 | 3 | 1 | |
| Perla | 164 | 1 | 6 | |
| Perlidae | 155 | 1 | 3 | 13 |
| Isoperla | 140 | 2 | ||
| Micrasema | 268 | 373 | 7 | 4 |
| Agapetinae | 9812 | 8 | 2 | |
| Glossosoma | 190 | 1 | ||
| Glossosomatidae | 189 | 1 | ||
| Silo | 292 | 1 | ||
| Silo-lithax | 5219 | 2 | 6 | 19 |
| Goeridae | 286 | 3 | ||
| Hydropsyche | 212 | 138 | 20 | 97 |
| Hydropsychidae | 211 | 12 | 2 | 19 |
| Athripsodes | 311 | 1 | ||
| Limnephilinae | 3163 | 3 | 1 | |
| Wormaldia | 210 | 1 | ||
| Polycentropus | 231 | 2 | 10 | 8 |
| Polycentropodidae | 223 | 7 | 6 | 3 |
| Tinodes | 245 | 1 | ||
| Rhyacophila lato-sensu | 183 | 6 | 7 | 8 |
| Baetis lato sensu | 9794 | 97 | 99 | 150 |
| Centroptilum luteolum | 384 | 2 | ||
| Procloeon | 390 | 2 | 2 | 2 |
| Caenis | 457 | 4 | 3 | 2 |
| Torleya major | 452 | 2 | 2 | |
| Ephemera | 502 | 11 | 7 | |
| Ecdyonurus | 421 | 27 | 18 | |
| Electrogena | 3181 | 4 | ||
| Epeorus | 400 | 1 | 8 | |
| Rhithrogena | 404 | 5 | 21 | |
| Heptageniidae | 399 | 1 | 9 | 16 |
| Habroleptoides | 485 | 1 | 4 | |
| Habrophlebia | 491 | 1 | 25 | 2 |
| Leptophlebiidae | 473 | 5 | 47 | 5 |
| Hydrometra | 740 | 1 | ||
| Veliidae | 743 | 2 | ||
| Dryops | 613 | 1 | ||
| Colymbetinae | 2395 | 5 | ||
| Dupophilus | 620 | 3 | 27 | 90 |
| Elmis | 618 | 93 | 25 | 41 |
| Esolus | 619 | 16 | 53 | |
| Limnius | 623 | 1 | ||
| Normandia | 624 | 3 | ||
| Oulimnius | 622 | 21 | 1 | 7 |
| Riolus | 625 | 3 | ||
| Hydraena | 608 | 3 | 3 | 6 |
| Athericidae | 838 | 1 | 7 | 19 |
| Ceratopogonidae | 819 | 3 | 1 | 2 |
| Chironomidae | 807 | 129 | 78 | 158 |
| Dixidae | 793 | 3 | ||
| Empididae | 831 | 2 | 1 | |
| Ephydridae | 844 | 2 | ||
| Limoniidae | 757 | 4 | ||
| Pediciidae | 50011 | 2 | 1 | 9 |
| Psychodidae | 783 | 1 | ||
| Simuliidae | 801 | 8 | 1 | 2 |
| Calopteryx | 650 | 1 | ||
| Sialis | 704 | 2 | 2 | 2 |
| Pacifastacus leniusculus | 873 | 1 | 4 | 1 |
| Gammaridae | 887 | 2 | ||
| Copepoda | 3206 | 1 | 1 | 1 |
| Hydracarina | 906 | 1 | 1 | 1 |
| Pisidium | 1043 | 3 | ||
| Sphaeriidae | 1042 | 3 | ||
| Potamopyrgus antipodarum | 979 | 1 | 1 | |
| Ancylus fluviatilis | 1029 | 4 | 22 | 12 |
| Branchiobdellidae | 3132 | 1 | ||
| Oligochaeta | 933 | 68 | 85 | 197 |
| Nematoda | 1089 | 1 | 1 | 1 |