Listes faunistiques invertébrés
Le Viaur à Ségur 05125860
- Télécharger la fiche IRSTEA xls / 619 ko
- Export SEEE csv / 9 ko
| Date prélèvement | 19/07/2022 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 18.0 |
| GFI | 9 |
| Variété taxonomique | 33 |
| 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 | 80.0 | dominant |
| Blocs | 10.0 | dominant |
| Granulats | 2.0 | marginal |
| Helophytes | ||
| Vases | ||
| Sables | 2.0 | marginal |
| Algues | ||
| Dalles, argiles | 3.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Nulle | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Nulle | A |
| P4 | Granulats | Nulle | A |
| P5 | Pierres, galets | Nulle | B |
| P6 | Blocs | Nulle | B |
| P7 | Pierres, galets | Lente | B |
| P8 | Pierres, galets | Moyenne | B |
| P9 | Pierres, galets | Nulle | C |
| P10 | Pierres, galets | Lente | C |
| P11 | Pierres, galets | Moyenne | C |
| P12 | Pierres, galets | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 9 | 55 | 72 |
| Leuctra geniculata | 33830 | 3 | ||
| Nemoura | 26 | 1 | ||
| Protonemura | 46 | 3 | ||
| Dinocras | 156 | 1 | 1 | |
| Perla | 164 | 3 | ||
| Perlidae | 155 | 2 | ||
| Micrasema | 268 | 1 | ||
| Agapetinae | 9812 | 1 | ||
| Silo-lithax | 5219 | 1 | 5 | |
| Hydropsyche | 212 | 9 | 48 | |
| Hydropsychidae | 211 | 2 | 20 | |
| Mystacides | 312 | 8 | 1 | |
| Leptoceridae | 310 | 1 | ||
| Limnephilinae | 3163 | 5 | 1 | 10 |
| Polycentropus | 231 | 29 | 23 | 16 |
| Polycentropodidae | 223 | 7 | ||
| Lype | 241 | 2 | 3 | |
| Psychomyia pusilla | 240 | 2 | ||
| Rhyacophila lato-sensu | 183 | 5 | 7 | |
| Baetis lato sensu | 9794 | 1 | 15 | 21 |
| Centroptilum luteolum | 384 | 3 | 1 | |
| Procloeon | 390 | 2 | ||
| Caenis | 457 | 2 | 5 | |
| Torleya major | 452 | 2 | ||
| Ephemera | 502 | 19 | 2 | 2 |
| Ecdyonurus | 421 | 16 | 16 | |
| Electrogena | 3181 | 13 | 1 | |
| Epeorus | 400 | 2 | ||
| Rhithrogena | 404 | 3 | 6 | |
| Heptageniidae | 399 | 19 | 10 | |
| Habroleptoides | 485 | 1 | ||
| Habrophlebia | 491 | 2 | 2 | 5 |
| Paraleptophlebia | 481 | 1 | ||
| Leptophlebiidae | 473 | 39 | 13 | 6 |
| Gerridae | 734 | 1 | ||
| Colymbetinae | 2395 | 2 | ||
| Dupophilus | 620 | 48 | 53 | |
| Elmis | 618 | 8 | 15 | 25 |
| Esolus | 619 | 2 | 3 | 47 |
| Limnius | 623 | 2 | ||
| Oulimnius | 622 | 10 | 2 | |
| Hydraena | 608 | 1 | ||
| Athericidae | 838 | 22 | 7 | |
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 158 | 53 | 125 |
| Dixidae | 793 | 1 | ||
| Limoniidae | 757 | 1 | 2 | |
| Pediciidae | 50011 | 2 | 4 | 3 |
| Calopteryx | 650 | 11 | ||
| Sialis | 704 | 1 | 1 | 3 |
| Pacifastacus leniusculus | 873 | 4 | 1 | |
| Gammaridae | 887 | 1 | ||
| Copepoda | 3206 | 1 | 1 | |
| Ostracoda | 3170 | 1 | 1 | |
| Hydracarina | 906 | 1 | 1 | 1 |
| Pisidium | 1043 | 2 | 1 | 3 |
| Sphaeriidae | 1042 | 1 | ||
| Ancylus fluviatilis | 1029 | 2 | 25 | 23 |
| Oligochaeta | 933 | 2 | 5 | |
| Nematoda | 1089 | 1 | 1 |