Listes faunistiques invertébrés
La Truyère à St-Léger du Malzieu 05097800
- Télécharger la fiche IRSTEA xls / 111 ko
- Export SEEE csv / 8 ko
| Date prélèvement | 22/09/2017 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 18.0 |
| GFI | 8 |
| Variété taxonomique | 38 |
| Taxon indicateur | Brachycentridae |
| I2M2 | 0.8469 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | ||
| Litieres | 2.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 25.0 | dominant |
| Blocs | 16.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | 2.0 | marginal |
| Sables | ||
| Algues | ||
| Dalles, argiles | 50.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Lente | A |
| P4 | Granulats | Lente | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Blocs | Lente | B |
| P7 | Dalles, argiles | Lente | B |
| P8 | Dalles, argiles | Moyenne | B |
| P9 | Dalles, argiles | Nulle | C |
| P10 | Dalles, argiles | Lente | C |
| P11 | Pierres, galets | Moyenne | C |
| P12 | Dalles, argiles | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 91 | 7 | 3 |
| Protonemura | 46 | 2 | ||
| Taeniopteryx | 14 | 1 | ||
| Micrasema | 268 | 11 | ||
| Silo | 292 | 1 | 2 | |
| Cheumatopsyche | 221 | 5 | 1 | 24 |
| Hydropsyche | 212 | 68 | 1 | 143 |
| Hydroptila | 200 | 1 | ||
| Ithytrichia | 198 | 135 | ||
| Athripsodes | 311 | 18 | 1 | |
| Mystacides | 312 | 72 | 6 | |
| Oecetis | 317 | 39 | ||
| Chimarra | 207 | 1 | ||
| Polycentropus | 231 | 2 | ||
| Psychomyia | 239 | 46 | 2 | |
| Rhyacophila lato-sensu | 183 | 2 | 2 | 1 |
| Sericostoma | 322 | 2 | ||
| Baetis | 364 | 44 | 26 | 19 |
| Caenis | 457 | 8 | 1 | |
| Ephemerella | 450 | 2 | 1 | |
| Torleya | 2391 | 9 | 2 | 2 |
| Ephemera | 502 | 7 | ||
| Ecdyonurus | 421 | 1 | 2 | |
| Epeorus | 400 | 1 | 2 | 1 |
| Rhithrogena | 404 | 1 | 4 | |
| Paraleptophlebia | 481 | 1 | ||
| Aphelocheirus | 721 | 46 | 10 | 3 |
| Colymbetinae | 2395 | 3 | 1 | |
| Dupophilus | 620 | 12 | 7 | |
| Elmis | 618 | 116 | 14 | 20 |
| Esolus | 619 | 8 | 36 | 3 |
| Limnius | 623 | 12 | 1 | |
| Oulimnius | 622 | 78 | 18 | 10 |
| Stenelmis | 617 | 20 | 7 | |
| Orectochilus | 515 | 1 | 1 | |
| Athericidae | 838 | 10 | 1 | 3 |
| Chironomidae | 807 | 216 | 280 | 49 |
| Simuliidae | 801 | 77 | ||
| Tabanidae | 837 | 1 | ||
| Tipulidae | 753 | 11 | 3 | |
| Calopteryx | 650 | 18 | 1 | |
| Gomphus | 679 | 8 | ||
| Onychogomphus | 682 | 1 | ||
| Asellidae | 880 | 2 | ||
| Cladocera | 3127 | 1 | ||
| Hydracarina | 906 | 1 | ||
| Pisidium | 1043 | 3 | ||
| Ancylus | 1028 | 3 | 8 | |
| Bythinella | 992 | 2 | ||
| Radix | 1004 | 1 | ||
| Erpobdellidae | 928 | 3 | ||
| Oligochaeta | 933 | 385 | 580 | 24 |
| Dugesiidae | 1055 | 1 | 8 | 1 |