Listes faunistiques invertébrés
Le Gers à Rambert 05115000
- Télécharger la fiche IRSTEA xls / 660 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 12/09/2017 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 15.0 |
| GFI | 5 |
| Variété taxonomique | 37 |
| Taxon indicateur | Hydroptilidae |
| I2M2 | 0.6552 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | ||
| Branchage, racines | 4.0 | marginal |
| Pierres, galets | 12.0 | dominant |
| Blocs | 15.0 | dominant |
| Granulats | 2.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | ||
| Sables | 2.0 | marginal |
| Algues | ||
| Dalles, argiles | 64.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Branchage, racines | Moyenne | A |
| P2 | Granulats | Lente | A |
| P3 | Helophytes | Nulle | A |
| P4 | Sables | Nulle | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Moyenne | B |
| P7 | Dalles, argiles | Moyenne | B |
| P8 | Dalles, argiles | Rapide | A |
| P9 | Dalles, argiles | Lente | C |
| P10 | Dalles, argiles | Moyenne | C |
| P11 | Dalles, argiles | Rapide | C |
| P12 | Dalles, argiles | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Cheumatopsyche | 221 | 1 | ||
| Hydropsyche | 212 | 22 | 147 | 31 |
| Hydroptila | 200 | 9 | 10 | |
| Ithytrichia | 198 | 2 | ||
| Cyrnus | 224 | 1 | ||
| Psychomyia | 239 | 1 | ||
| Baetis lato sensu | 9794 | 130 | 330 | 37 |
| Procloeon | 390 | 3 | 2 | |
| Caenis | 457 | 5 | 22 | 2 |
| Heptagenia | 443 | 3 | 11 | |
| Potamanthus | 509 | 1 | ||
| Aphelocheirus | 721 | 1 | ||
| Micronecta | 719 | 11 | 1 | |
| Gerris | 735 | 1 | 6 | |
| Dryops | 613 | 5 | 1 | 1 |
| Colymbetinae | 2395 | 1 | ||
| Elmis | 618 | 74 | 13 | 6 |
| Esolus | 619 | 107 | 39 | |
| Limnius | 623 | 5 | 6 | |
| Macronychus | 626 | 1 | ||
| Oulimnius | 622 | 78 | 26 | 4 |
| Potamophilus | 615 | 23 | 18 | 4 |
| Stenelmis | 617 | 2 | 8 | |
| Orectochilus | 515 | 1 | 2 | |
| Hydraena | 608 | 2 | ||
| Anthomyidae | 847 | 1 | ||
| Athericidae | 838 | 3 | ||
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 17 | 76 | 89 |
| Empididae | 831 | 1 | ||
| Limoniidae | 757 | 2 | ||
| Simuliidae | 801 | 2 | 1 | 13 |
| Tabanidae | 837 | 1 | ||
| Tipulidae | 753 | 10 | 6 | 7 |
| Gomphus | 679 | 1 | ||
| Onychogomphus | 682 | 1 | 2 | 1 |
| Calopteryx | 650 | 110 | ||
| Echinogammarus | 888 | 210 | 19 | 5 |
| Asellidae | 880 | 14 | ||
| Orconectes | 870 | 2 | ||
| Corbicula | 1051 | 20 | 2 | |
| Pisidium | 1043 | 1 | ||
| Radix | 1004 | 2 | ||
| Planorbidae | 1009 | 21 | ||
| Ancylus | 1028 | 6 | ||
| Ferrissia | 1030 | 11 | ||
| Oligochaeta | 933 | 2 | ||
| Dugesiidae | 1055 | 1 | 6 | |
| Hydracarina | 906 | 3 | 9 |