Listes faunistiques invertébrés
Le Graveron à Servilly 04415008
- Télécharger la fiche IRSTEA xls / 26 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 10/07/2017 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 18.0 |
| GFI | 7 |
| Variété taxonomique | 42 |
| 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 | 1.0 | marginal |
| Pierres, galets | 0.0 | marginal |
| Blocs | 1.0 | marginal |
| Granulats | 0.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 95.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 2.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Branchage, racines | Lente | A |
| P2 | Blocs | Lente | A |
| P3 | Helophytes | Lente | A |
| P4 | Dalles, argiles | Moyenne | A |
| P5 | Sables | Lente | B |
| P6 | Sables | Nulle | B |
| P7 | Sables | Lente | B |
| P8 | Sables | Nulle | B |
| P9 | Sables | Lente | C |
| P10 | Sables | Nulle | C |
| P11 | Sables | Lente | C |
| P12 | Sables | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Nemoura | 26 | 1 | ||
| Hydropsyche | 212 | 823 | 2 | 3 |
| Hydroptila | 200 | 2 | ||
| Limnephilinae | 3163 | 11 | ||
| Polycentropodidae | 223 | 1 | ||
| Baetis lato sensu | 9794 | 240 | 8 | 6 |
| Cloeon | 387 | 1 | ||
| Caenis | 457 | 1 | ||
| Ephemera | 502 | 4 | 1 | 1 |
| Heptagenia | 443 | 12 | ||
| Leptophlebiidae | 473 | 10 | ||
| Micronecta | 719 | 5 | 2 | |
| Nepidae | 725 | 2 | ||
| Dytiscidae | 527 | 1 | ||
| Elmis | 618 | 21 | 2 | |
| Esolus | 619 | 3 | 1 | |
| Oulimnius | 622 | 6 | ||
| Hydrocyphon | 637 | 1 | ||
| Hydraena | 608 | 1 | ||
| Hydrochus | 606 | 1 | ||
| Ceratopogonidae | 819 | 2 | ||
| Chironomidae | 807 | 688 | 132 | 19 |
| Dolichopodidae | 836 | 1 | ||
| Ephydridae | 844 | 2 | ||
| Limoniidae | 757 | 1 | 3 | 3 |
| Psychodidae | 783 | 2 | 1 | |
| Simuliidae | 801 | 5 | ||
| Tabanidae | 837 | 1 | 2 | 1 |
| Tipulidae | 753 | 2 | 1 | |
| Boyeria | 670 | 1 | ||
| Calopteryx | 650 | 3 | ||
| Coenagrionidae | 658 | 12 | ||
| Platycnemis | 657 | 4 | ||
| Gammarus | 892 | 736 | 1 | |
| Gammaridae | 887 | 1 | ||
| Cladocera | 3127 | 1 | ||
| Copepoda | 3206 | 1 | ||
| Asellidae | 880 | 1 | ||
| Pisidium | 1043 | 1 | 2 | |
| Radix | 1004 | 1 | ||
| Lymnaeidae | 998 | 1 | ||
| Physella | 19280 | 4 | ||
| Physidae | 995 | 7 | ||
| Planorbidae | 1009 | 1 | ||
| Erpobdellidae | 928 | 1 | ||
| Oligochaeta | 933 | 352 | 388 | 172 |
| Mermithoïdea | 3159 | 1 | ||
| Hydracarina | 906 | 1 | ||
| Hydrozoa | 3168 | 1 | ||
| Bryozoa | 1087 | 1 | 1 |