Listes faunistiques invertébrés
La Colagne en amont de Marvejols 05101420
- Télécharger la fiche IRSTEA xls / 29 ko
- Export SEEE csv / 8 ko
| Date prélèvement | 26/07/2012 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 18.0 |
| GFI | 8 |
| Variété taxonomique | 40 |
| Taxon indicateur | Brachycentridae |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 2.0 | marginal |
| Hydrophytes | 12.0 | dominant |
| Litieres | ||
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 9.0 | dominant |
| Blocs | ||
| Granulats | 71.0 | dominant |
| Helophytes | 1.0 | marginal |
| Vases | ||
| Sables | 2.0 | marginal |
| Algues | ||
| Dalles, argiles | 2.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Helophytes | Nulle | A |
| P4 | Sables | Nulle | A |
| P5 | Hydrophytes | Lente | B |
| P6 | Pierres, galets | Lente | B |
| P7 | Granulats | Lente | B |
| P8 | Granulats | Nulle | B |
| P9 | Granulats | Lente | C |
| P10 | Granulats | Nulle | C |
| P11 | Granulats | Lente | C |
| P12 | Granulats | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 12 | 31 | 368 |
| Protonemura | 46 | 4 | 1 | |
| Perla | 164 | 1 | ||
| Perlodes | 150 | 1 | ||
| Micrasema | 268 | 9 | 2 | |
| Glossosomatidae | 189 | 2 | ||
| Glossosoma | 190 | 3 | 2 | |
| Goeridae | 286 | 2 | ||
| Silo | 292 | 4 | 4 | 352 |
| Hydropsyche | 212 | 46 | 992 | 2 |
| Hydroptila | 200 | 1 | ||
| Lepidostoma | 305 | 1 | ||
| Mystacides | 312 | 1 | ||
| Drusinae | 3120 | 2 | ||
| Limnephilinae | 3163 | 4 | 15 | 2 |
| Odontocerum | 339 | 1 | ||
| Polycentropodidae | 223 | 1 | ||
| Psychomyia | 239 | 1 | ||
| Rhyacophila lato-sensu | 183 | 8 | 1 | |
| Sericostoma | 322 | 5 | 8 | 1 |
| Baetis | 364 | 26 | 8 | 17 |
| Procloeon | 390 | 3 | ||
| Caenis | 457 | 2 | 3 | |
| Ephemera | 502 | 21 | 1 | 2 |
| Ephemerella | 450 | 32 | 897 | 384 |
| Heptageniidae | 399 | 1 | 3 | |
| Ecdyonurus | 421 | 4 | ||
| Habrophlebia | 491 | 1 | 1 | |
| Gerris | 735 | 6 | ||
| Veliidae | 743 | 2 | ||
| Dupophilus | 620 | 3 | 288 | 9 |
| Elmis | 618 | 36 | 1152 | 15 |
| Esolus | 619 | 1 | ||
| Limnius | 623 | 128 | 4 | |
| Oulimnius | 622 | 7 | 288 | 7 |
| Hydraena | 608 | 2 | 1 | |
| Anthomyidae | 847 | 8 | ||
| Athericidae | 838 | 1 | ||
| Chironomidae | 807 | 108 | 2332 | 608 |
| Ephydridae | 844 | 5 | ||
| Limoniidae | 757 | 7 | 6 | |
| Psychodidae | 783 | 2 | ||
| Simuliidae | 801 | 24 | 20 | 4 |
| Tabanidae | 837 | 1 | 1 | |
| Sialis | 704 | 1 | ||
| Copepoda | 3206 | 3 | 4 | |
| Ostracoda | 3170 | 3 | ||
| Gammarus | 892 | 2 | 2 | |
| Hydracarina | 906 | 13 | 12 | 82 |
| Sphaeriidae | 1042 | 1 | 4 | |
| Pisidium | 1043 | 1 | 2 | |
| Ancylus | 1028 | 3 | 13 | 29 |
| Erpobdellidae | 928 | 5 | 22 | 16 |
| Glossiphoniidae | 908 | 5 | 8 | |
| Oligochaeta | 933 | 32 | 14 | 18 |
| Nematoda | 1089 | 1 | 1 | 3 |