Listes faunistiques invertébrés
La Colagne en amont de Marvejols 05101420
- Télécharger la fiche IRSTEA xls / 112 ko
- Export SEEE csv / 9 ko
| Date prélèvement | 29/07/2021 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 18.0 |
| GFI | 8 |
| Variété taxonomique | 40 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 9.0 | dominant |
| Hydrophytes | 18.0 | dominant |
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 14.0 | dominant |
| Blocs | 7.0 | dominant |
| Granulats | 35.0 | dominant |
| Helophytes | 2.0 | marginal |
| Vases | ||
| Sables | 3.0 | marginal |
| Algues | 6.0 | dominant |
| Dalles, argiles | 4.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Nulle | A |
| P3 | Helophytes | Nulle | A |
| P4 | Sables | Nulle | A |
| P5 | Bryophytes | Lente | B |
| P6 | Hydrophytes | Moyenne | B |
| P7 | Pierres, galets | Moyenne | B |
| P8 | Blocs | Lente | B |
| P9 | Granulats | Lente | C |
| P10 | Algues | Lente | C |
| P11 | Granulats | Nulle | C |
| P12 | Granulats | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 6 | 101 | 356 |
| Protonemura | 46 | 5 | ||
| Brachycentrus | 265 | 1 | ||
| Micrasema | 268 | 7 | 1 | |
| Goera | 287 | 2 | ||
| Silo | 292 | 1 | 1 | 1 |
| Goeridae | 286 | 1 | 9 | |
| Hydropsyche | 212 | 4 | 444 | |
| Hydroptila | 200 | 1 | ||
| Lepidostoma | 305 | 1 | 4 | |
| Adicella | 320 | 6 | ||
| Mystacides | 312 | 6 | 1 | 9 |
| Drusinae | 3120 | 5 | ||
| Limnephilinae | 3163 | 2 | 2 | 10 |
| Polycentropus | 231 | 6 | 7 | 3 |
| Polycentropodidae | 223 | 2 | ||
| Rhyacophila lato-sensu | 183 | 4 | ||
| Notidobia | 325 | 1 | ||
| Sericostoma | 322 | 10 | 16 | 3 |
| Sericostomatidae | 321 | 3 | ||
| Baetis lato sensu | 9794 | 2 | 37 | 23 |
| Centroptilum | 383 | 1 | ||
| Procloeon | 390 | 1 | ||
| Baetidae | 363 | 1 | ||
| Caenis | 457 | 1 | 1 | |
| Ephemerella | 450 | 4 | 44 | 13 |
| Ephemera | 502 | 1 | 4 | |
| Platambus | 556 | 1 | ||
| Dupophilus | 620 | 2 | 24 | 104 |
| Elmis | 618 | 21 | 318 | 24 |
| Esolus | 619 | 3 | 72 | |
| Limnius | 623 | 1 | 16 | |
| Oulimnius | 622 | 24 | 40 | 145 |
| Hydraena | 608 | 5 | ||
| Athericidae | 838 | 6 | 46 | 1 |
| Ceratopogonidae | 819 | 1 | 4 | |
| Chironomidae | 807 | 250 | 395 | 1474 |
| Empididae | 831 | 4 | ||
| Ephydridae | 844 | 3 | ||
| Limoniidae | 757 | 3 | 3 | |
| Pediciini | 20537 | 1 | ||
| Psychodidae | 783 | 1 | ||
| Simuliidae | 801 | 1 | 48 | 1 |
| Tabanidae | 837 | 1 | 1 | |
| Boyeria | 670 | 1 | ||
| Cordulegaster | 687 | 2 | ||
| Onychogomphus | 682 | 1 | 2 | |
| Calopteryx | 650 | 29 | 1 | |
| Sialis | 704 | 13 | 1 | 9 |
| Gammarus | 892 | 4 | 187 | 1 |
| Copepoda | 3206 | 1 | 1 | |
| Ostracoda | 3170 | 1 | 1 | |
| Pisidium | 1043 | 2 | ||
| Sphaeriidae | 1042 | 19 | 1 | |
| Ancylus | 1028 | 23 | 176 | |
| Erpobdellidae | 928 | 16 | 9 | 58 |
| Glossiphoniidae | 908 | 1 | 3 | |
| Oligochaeta | 933 | 10 | 2 | 9 |
| Mermithoïdea | 3159 | 1 | ||
| Hydracarina | 906 | 1 | 1 | |
| Hydra | 1077 | 1 |