Listes faunistiques invertébrés
Le Girou en amont de Verfeil 05158150
- Télécharger la fiche IRSTEA xls / 646 ko
- Export SEEE csv / 5 ko
| Date prélèvement | 04/10/2019 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 11.0 |
| GFI | 3 |
| Variété taxonomique | 29 |
| Taxon indicateur | Hydropsychidae |
| I2M2 | 0.1566 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 4.0 | marginal |
| Pierres, galets | 6.0 | dominant |
| Blocs | 0.0 | marginal |
| Granulats | 1.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 47.0 | dominant |
| Algues | 1.0 | marginal |
| Dalles, argiles | 38.0 | 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 | Sables | Lente | B |
| P7 | Dalles, argiles | Lente | B |
| P8 | Sables | Nulle | B |
| P9 | Dalles, argiles | Nulle | C |
| P10 | Sables | Lente | C |
| P11 | Dalles, argiles | Moyenne | C |
| P12 | Sables | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydropsyche | 212 | 2 | 1 | 10 |
| Mystacides | 312 | 1 | 1 | |
| Cyrnus | 224 | 2 | ||
| Baetis lato sensu | 9794 | 11 | 8 | 21 |
| Caenis | 457 | 4 | 1 | |
| Micronecta | 719 | 1 | 111 | 15 |
| Gerris | 735 | 2 | ||
| Pomatinus | 611 | 1 | ||
| Elmis | 618 | 1 | ||
| Esolus | 619 | 2 | ||
| Oulimnius | 622 | 1 | 2 | |
| Hydraena | 608 | 1 | 1 | |
| Athericidae | 838 | 1 | ||
| Chironomidae | 807 | 97 | 17 | 63 |
| Dixidae | 793 | 3 | ||
| Empididae | 831 | 1 | 1 | |
| Limoniidae | 757 | 3 | 7 | |
| Psychodidae | 783 | 1 | 1 | |
| Simuliidae | 801 | 1 | ||
| Tabanidae | 837 | 1 | ||
| Gomphus | 679 | 1 | 2 | 1 |
| Calopteryx | 650 | 2 | ||
| Platycnemis | 657 | 4 | 2 | |
| Echinogammarus | 888 | 853 | 61 | 149 |
| Pacifastacus | 872 | 1 | ||
| Corbicula | 1051 | 384 | 59 | 90 |
| Pisidium | 1043 | 9 | 4 | 1 |
| Potamopyrgus | 978 | 178 | 25 | 26 |
| Planorbidae | 1009 | 6 | 1 | |
| Oligochaeta | 933 | 123 | 133 | 60 |
| Dugesiidae | 1055 | 12 | 18 | |
| Gordiaca | 5189 | 1 | ||
| Hydracarina | 906 | 5 | 31 | 15 |