Listes faunistiques invertébrés
La Colagne en amont de Marvejols 05101420
- Télécharger la fiche IRSTEA xls / 646 ko
- Export SEEE csv / 11 ko
| Date prélèvement | 06/08/2020 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 19.0 |
| GFI | 8 |
| Variété taxonomique | 44 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 8.0 | dominant |
| Hydrophytes | 24.0 | dominant |
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 38.0 | dominant |
| Blocs | 3.0 | marginal |
| Granulats | 13.0 | dominant |
| Helophytes | 2.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 3.0 | marginal |
| Algues | 4.0 | marginal |
| Dalles, argiles | 3.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | B |
| P2 | Hydrophytes | Moyenne | B |
| P3 | Branchage, racines | Nulle | A |
| P4 | Granulats | Moyenne | B |
| P5 | Litieres | Nulle | A |
| P6 | Pierres, galets | Nulle | C |
| P7 | Pierres, galets | Lente | C |
| P8 | Pierres, galets | Moyenne | B |
| P9 | Pierres, galets | Rapide | C |
| P10 | Blocs | Moyenne | A |
| P11 | Hydrophytes | Rapide | C |
| P12 | Helophytes | Nulle | A |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra geniculata | 33830 | 1 | ||
| Leuctra | 69 | 22 | 8 | 7 |
| Protonemura | 46 | 17 | 6 | |
| Perla | 164 | 2 | 2 | |
| Perlodes | 150 | 5 | ||
| Micrasema | 268 | 13 | 10 | 2 |
| Glossosomatidae | 189 | 4 | ||
| Glossosoma | 190 | 4 | ||
| Goeridae | 286 | 1 | 3 | |
| Goera | 287 | 1 | 1 | |
| Silo | 292 | 2 | ||
| Hydropsychidae | 211 | 1 | ||
| Hydropsyche | 212 | 157 | 40 | 46 |
| Hydroptila | 200 | 1 | 1 | 2 |
| Lepidostomatidae | 304 | 1 | ||
| Lasiocephala | 307 | 2 | ||
| Lepidostoma | 305 | 1 | ||
| Mystacides | 312 | 75 | 8 | 4 |
| Oecetis | 317 | 5 | 1 | |
| Anomalopterygella | 5082 | 6 | ||
| Limnephilinae | 3163 | 4 | 2 | |
| Odontocerum | 339 | 2 | 1 | |
| Chimarra | 207 | 1 | ||
| Polycentropus | 231 | 10 | 1 | 4 |
| Rhyacophila lato-sensu | 183 | 13 | 11 | 6 |
| Sericostomatidae | 321 | 43 | 3 | 102 |
| Sericostoma | 322 | 3 | 10 | 1 |
| Baetis | 364 | 40 | 26 | 14 |
| Procloeon | 390 | 1 | ||
| Procloeon bifidum | 391 | 1 | 1 | |
| Caenis | 457 | 1 | ||
| Ephemerella ignita | 451 | 19 | 7 | 10 |
| Ephemera | 502 | 3 | 2 | |
| Ecdyonurus | 421 | 1 | 1 | |
| Epeorus | 400 | 1 | 1 | |
| Platambus | 556 | 4 | 2 | |
| Dupophilus | 620 | 7 | 28 | 152 |
| Elmis | 618 | 116 | 61 | 22 |
| Esolus | 619 | 1 | ||
| Limnius | 623 | 4 | 12 | 19 |
| Oulimnius | 622 | 12 | 14 | 5 |
| Orectochilus | 515 | 8 | 1 | |
| Hydraena | 608 | 5 | 4 | 10 |
| Laccobius | 581 | 2 | ||
| Atherix | 839 | 4 | 2 | |
| Ceratopogonidae | 819 | 1 | 1 | 3 |
| Chironomidae | 807 | 1146 | 366 | 421 |
| Clinocerinae | 9813 | 2 | 1 | |
| Antocha | 759 | 3 | ||
| Dicranota | 765 | 1 | 6 | 6 |
| Simuliidae | 801 | 108 | 32 | 153 |
| Tabanidae | 837 | 1 | 10 | |
| Gerris | 735 | 6 | ||
| Boyeria | 670 | 1 | 1 | |
| Calopteryx | 650 | 16 | 1 | |
| Cordulegaster | 687 | 1 | ||
| Onychogomphus | 682 | 2 | ||
| Sialis | 704 | 1 | ||
| Copepoda | 3206 | 3 | ||
| Ostracoda | 3170 | 3 | 3 | |
| Gammarus | 892 | 31 | 9 | |
| Ancylus | 1028 | 1 | 3 | 3 |
| Sphaeriidae | 1042 | 3 | 1 | |
| Pisidium | 1043 | 1 | ||
| Erpobdellidae | 928 | 12 | 31 | 13 |
| Helobdella | 912 | 1 | ||
| Oligochaeta | 933 | 3 | 9 | 18 |
| Hydrozoa | 3168 | 3 | ||
| Nematoda | 1089 | 3 | 3 | 3 |
| Hydracarina | 906 | 3 | 3 | 3 |