Listes faunistiques invertébrés
Fresquel à Souilhe 06178050
- Télécharger la fiche IRSTEA xls / 646 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 08/08/2019 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 13.0 |
| GFI | 5 |
| Variété taxonomique | 32 |
| Taxon indicateur | Hydroptilidae |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 0.0 | marginal |
| Blocs | 1.0 | marginal |
| Granulats | 22.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 1.0 | marginal |
| Sables | 41.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 33.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Granulats | Moyenne | C |
| P2 | Dalles, argiles | Lente | B |
| P3 | Branchage, racines | Lente | A |
| P4 | Granulats | Lente | B |
| P5 | Dalles, argiles | Nulle | C |
| P6 | Blocs | Lente | A |
| P7 | Sables | Lente | B |
| P8 | Sables | Nulle | B |
| P9 | Vases | Lente | A |
| P10 | Sables | Lente | C |
| P11 | Dalles, argiles | Lente | C |
| P12 | Branchage, racines | Nulle | A |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydropsyche | 212 | 1 | 1 | |
| Ithytrichia | 198 | 2 | 4 | 1 |
| Ceraclea | 313 | 3 | ||
| Oecetis | 317 | 1 | 3 | |
| Polycentropus | 231 | 1 | ||
| Lype | 241 | 1 | ||
| Caenis | 457 | 27 | 46 | 4 |
| Ephemera | 502 | 1 | ||
| Dryops | 613 | 3 | 3 | |
| Colymbetinae | 2395 | 1 | ||
| Limnius | 623 | 1 | 2 | |
| Oulimnius | 622 | 1 | 1 | |
| Stenelmis | 617 | 2 | 2 | |
| Athericidae | 838 | 5 | 29 | 3 |
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 361 | 137 | 1 |
| Empididae | 831 | 1 | 1 | |
| Limoniidae | 757 | 1 | ||
| Tipulidae | 753 | 2 | ||
| Boyeria | 670 | 2 | 2 | |
| Calopteryx | 650 | 2 | 2 | |
| Coenagrionidae | 658 | 1 | ||
| Libellulidae | 696 | 2 | ||
| Orthetrum | 698 | 1 | ||
| Platycnemis | 657 | 1 | 1 | |
| Echinogammarus | 888 | 1 | ||
| Gammarus | 892 | 2 | 4 | |
| Potamopyrgus | 978 | 22 | 75 | 7 |
| Radix | 1004 | 2 | ||
| Physella | 19280 | 1 | 1 | 1 |
| Valvata | 972 | 1 | ||
| Corbicula | 1051 | 3 | 22 | 19 |
| Sphaeriidae | 1042 | 53 | ||
| Pisidium | 1043 | 1 | 3 | 1 |
| Planariidae | 1061 | 41 | 37 | |
| Glossiphoniidae | 908 | 48 | 2 | |
| Oligochaeta | 933 | 148 | 96 | 5 |
| Nematoda | 1089 | 3 | 3 | |
| Hydracarina | 906 | 3 | 3 |