Listes faunistiques invertébrés
Le Varayrous à Vézins de Lévézou 05125863
- Télécharger la fiche IRSTEA xls / 646 ko
- Export SEEE csv / 10 ko
| Date prélèvement | 02/07/2019 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 20.0 |
| GFI | 9 |
| Variété taxonomique | 44 |
| Taxon indicateur | Perlodidae |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 8.0 | dominant |
| Hydrophytes | ||
| Litieres | 2.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 6.0 | dominant |
| Blocs | 18.0 | dominant |
| Granulats | 5.0 | dominant |
| Helophytes | 1.0 | marginal |
| Vases | ||
| Sables | 38.0 | dominant |
| Algues | ||
| Dalles, argiles | 21.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Moyenne | A |
| P3 | Helophytes | Nulle | A |
| P4 | Litieres | Lente | A |
| P5 | Bryophytes | Moyenne | B |
| P6 | Pierres, galets | Moyenne | B |
| P7 | Blocs | Rapide | B |
| P8 | Granulats | Lente | B |
| P9 | Sables | Lente | C |
| P10 | Dalles, argiles | Rapide | C |
| P11 | Sables | Nulle | C |
| P12 | Sables | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 76 | 132 | |
| Nemoura | 26 | 1 | ||
| Protonemura | 46 | 9 | 526 | 36 |
| Isoperla | 140 | 5 | 5 | 1 |
| Perlodes | 150 | 4 | ||
| Micrasema | 268 | 2 | 4 | 5 |
| Agapetus | 191 | 1 | ||
| Glossosomatidae | 189 | 1 | ||
| Silo | 292 | 4 | ||
| Silo-lithax | 5219 | 3 | ||
| Goeridae | 286 | 3 | ||
| Hydropsyche | 212 | 13 | 114 | 1 |
| Hydropsychidae | 211 | 42 | 1 | |
| Oecetis | 317 | 8 | 1 | 1 |
| Limnephilinae | 3163 | 44 | 4 | |
| Philopotamus | 209 | 7 | 1 | |
| Philopotamidae | 206 | 1 | ||
| Polycentropus | 231 | 2 | 1 | |
| Rhyacophila lato-sensu | 183 | 15 | 4 | |
| Baetis lato sensu | 9794 | 33 | 53 | 11 |
| Caenis | 457 | 1 | ||
| Ephemerella ignita | 451 | 16 | 60 | 4 |
| Ephemera | 502 | 45 | 28 | 115 |
| Ecdyonurus | 421 | 3 | 28 | 1 |
| Electrogena | 3181 | 3 | ||
| Epeorus | 400 | 2 | ||
| Rhithrogena | 404 | 8 | ||
| Heptageniidae | 399 | 7 | 62 | 2 |
| Habrophlebia | 491 | 2 | 1 | |
| Paraleptophlebia | 481 | 1 | ||
| Leptophlebiidae | 473 | 58 | 6 | |
| Siphlonurus | 350 | 27 | 1 | |
| Corixinae | 5196 | 1 | ||
| Gerris | 735 | 1 | ||
| Veliidae | 743 | 15 | ||
| Colymbetinae | 2395 | 1 | ||
| Hydroporinae | 2393 | 1 | ||
| Dupophilus | 620 | 4 | 1 | |
| Elmis | 618 | 12 | 189 | 15 |
| Esolus | 619 | 1 | 13 | |
| Oulimnius | 622 | 1 | ||
| Helophorus | 604 | 1 | ||
| Hydraena | 608 | 6 | ||
| Hydrophilinae | 2517 | 3 | 1 | |
| Helodes | 636 | 1 | ||
| Athericidae | 838 | 2 | 4 | |
| Ceratopogonidae | 819 | 2 | 1 | 12 |
| Chironomidae | 807 | 346 | 840 | 268 |
| Dixidae | 793 | 8 | 3 | |
| Empididae | 831 | 9 | 308 | 10 |
| Limoniidae | 757 | 3 | 16 | 12 |
| Psychodidae | 783 | 5 | ||
| Ptychopteridae | 789 | 65 | ||
| Rhagionidae | 841 | 1 | ||
| Simuliidae | 801 | 73 | 46 | 12 |
| Calopteryx | 650 | 9 | ||
| Gammarus | 892 | 2 | 6 | 1 |
| Gammaridae | 887 | 12 | 6 | |
| Pacifastacus leniusculus | 873 | 5 | 3 | |
| Pisidium | 1043 | 40 | 7 | 11 |
| Sphaeriidae | 1042 | 6 | 7 | |
| Ancylus fluviatilis | 1029 | 2 | 2 | 1 |
| Planariidae | 1061 | 1 | ||
| Oligochaeta | 933 | 8 | 120 | 64 |
| Nematoda | 1089 | 6 | 1 | |
| Copepoda | 3206 | 14 | 1 | 4 |
| Ostracoda | 3170 | 3 | 1 | |
| Hydracarina | 906 | 3 | 54 | 1 |