Listes faunistiques invertébrés
Fresquel à Souilhe 06178050
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| Date prélèvement | 01/07/2008 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 14.0 |
| GFI | 4 |
| Variété taxonomique | 38 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | 6.0 | dominant |
| Branchage, racines | 8.0 | dominant |
| Pierres, galets | ||
| Blocs | ||
| Granulats | 28.0 | dominant |
| Helophytes | ||
| Vases | 3.0 | marginal |
| Sables | 50.0 | dominant |
| Algues | ||
| Dalles, argiles | 5.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Vases | Nulle | B1 |
| P2 | Vases | Nulle | B1 |
| P3 | Vases | Nulle | B1 |
| P4 | Vases | Nulle | B1 |
| P5 | Litieres | Lente | B2 |
| P6 | Branchage, racines | Lente | B2 |
| P7 | Granulats | Lente | B2 |
| P8 | Sables | Lente | B2 |
| P9 | Granulats | Moyenne | B3 |
| P10 | Sables | Nulle | B3 |
| P11 | Sables | Moyenne | B3 |
| P12 | Dalles, argiles | Lente | B3 |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydropsyche | 212 | 4 | 2 | |
| Hydroptila | 200 | 1 | 3 | |
| Mystacides | 312 | 6 | 9 | 2 |
| Polycentropus | 231 | 1 | ||
| Lype | 241 | 2 | ||
| Baetis | 364 | 3 | ||
| Caenis | 457 | 2 | ||
| Ephemera | 502 | 1 | ||
| Leptophlebiidae | 473 | 2 | ||
| Aphelocheirus | 721 | 2 | ||
| Micronecta | 719 | 8 | ||
| Gerris | 735 | 1 | ||
| Hydrometra | 740 | 2 | ||
| Nepa | 726 | 1 | ||
| Elmis | 618 | 4 | ||
| Limnius | 623 | 1 | ||
| Oulimnius | 622 | 2 | 23 | 1 |
| Haliplidae | 517 | 1 | ||
| Sphaeridiinae | 5194 | 1 | ||
| Athericidae | 838 | 100 | 50 | 11 |
| Ceratopogonidae | 819 | 1 | 1 | |
| Chironomidae | 807 | 70 | 60 | 80 |
| Dixidae | 793 | 2 | 1 | |
| Empididae | 831 | 2 | 13 | 2 |
| Limoniidae | 757 | 2 | 2 | |
| Simuliidae | 801 | 3 | ||
| Tabanidae | 837 | 1 | ||
| Boyeria | 670 | 2 | ||
| Gomphus | 679 | 2 | ||
| Libellulidae | 696 | 1 | ||
| Platycnemis | 657 | 1 | ||
| Gammaridae | 887 | 2 | ||
| Gammarus | 892 | 1 | ||
| Asellidae | 880 | 3 | ||
| Corbicula | 1051 | 3 | ||
| Sphaeriidae | 1042 | 1 | 40 | 2 |
| Sphaerium | 1044 | 5 | ||
| Pisidium | 1043 | 5 | 3 | |
| Unio | 1041 | 1 | ||
| Ancylus | 1028 | 2 | ||
| Potamopyrgus | 978 | 11 | 80 | 100 |
| Erpobdellidae | 928 | 2 | ||
| Glossiphoniidae | 908 | 13 | 1 | |
| Dugesiidae | 1055 | 3 | ||
| Oligochaeta | 933 | 3 | 3 | 3 |
| Nematoda | 1089 | 3 | ||
| Hydridae | 1076 | 3 |