Listes faunistiques invertébrés
Le Girou en amont de Verfeil 05158150
- Télécharger la fiche IRSTEA xls / 619 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 27/07/2022 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 14.0 |
| GFI | 6 |
| Variété taxonomique | 31 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 3.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 7.0 | dominant |
| Pierres, galets | 5.0 | dominant |
| Blocs | 1.0 | marginal |
| Granulats | 3.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 29.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 51.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Litieres | Nulle | A |
| P3 | Blocs | Lente | A |
| P4 | Granulats | Lente | A |
| P5 | Branchage, racines | Nulle | B |
| P6 | Pierres, galets | Lente | B |
| P7 | Sables | Nulle | B |
| P8 | Dalles, argiles | Nulle | B |
| P9 | Dalles, argiles | Lente | C |
| P10 | Dalles, argiles | Moyenne | C |
| P11 | Dalles, argiles | Nulle | C |
| P12 | Sables | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydropsyche | 212 | 102 | 46 | 10 |
| Hydroptila | 200 | 314 | 22 | 41 |
| Ithytrichia | 198 | 86 | 2 | |
| Ceraclea | 313 | 1 | ||
| Mystacides | 312 | 5 | 1 | |
| Polycentropodidae | 223 | 8 | ||
| Cyrnus | 224 | 1 | 4 | |
| Polycentropus | 231 | 10 | 5 | 1 |
| Lype | 241 | 2 | ||
| Psychomyia | 239 | 1 | ||
| Baetidae | 363 | 2 | 1 | |
| Baetis lato sensu | 9794 | 140 | 34 | 3 |
| Procloeon | 390 | 8 | 5 | |
| Caenis | 457 | 59 | 23 | 1 |
| Serratella | 5152 | 3 | ||
| Ephemera | 502 | 4 | 1 | 1 |
| Corixinae | 5196 | 1 | ||
| Micronectinae | 20396 | 11 | 27 | 41 |
| Gerridae | 734 | 1 | 10 | |
| Dryops | 613 | 2 | 1 | |
| Elmis | 618 | 1 | 1 | 1 |
| Esolus | 619 | 14 | 4 | |
| Oulimnius | 622 | 23 | ||
| Riolus | 625 | 4 | 3 | |
| Hydraena | 608 | 2 | 1 | |
| Athericidae | 838 | 12 | 6 | 1 |
| Ceratopogonidae | 819 | 4 | ||
| Chironomidae | 807 | 135 | 153 | 44 |
| Empididae | 831 | 5 | 2 | |
| Limoniidae | 757 | 14 | 8 | 11 |
| Pediciidae | 50011 | 2 | ||
| Psychodidae | 783 | 1 | ||
| Gomphus | 679 | 1 | 8 | 6 |
| Calopteryx | 650 | 6 | 2 | |
| Platycnemis | 657 | 4 | 10 | |
| Cladocera | 3127 | 1 | 1 | |
| Copepoda | 3206 | 1 | 1 | 1 |
| Ostracoda | 3170 | 1 | ||
| Echinogammarus | 888 | 1128 | 311 | 150 |
| Corbicula | 1051 | 69 | 51 | 11 |
| Sphaeriidae | 1042 | 4 | ||
| Pisidium | 1043 | 1 | ||
| Potamopyrgus | 978 | 44 | 13 | 17 |
| Physella | 19280 | 1 | ||
| Oligochaeta | 933 | 20 | 47 | 12 |
| Dugesiidae | 1055 | 7 | 6 | |
| Nematoda | 1089 | 6 | 3 | |
| Hydracarina | 906 | 15 | 17 | 14 |