Listes faunistiques invertébrés
Le ruisseau de Létrade à Saint-Avit 04041755
- Télécharger la fiche IRSTEA xls / 101 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 28/08/2018 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 16.0 |
| GFI | 9 |
| Variété taxonomique | 28 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 15.0 | dominant |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 0.0 | marginal |
| Pierres, galets | 6.0 | dominant |
| Blocs | 50.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | 4.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 20.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 4.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Granulats | Lente | A |
| P2 | Helophytes | Lente | A |
| P3 | Dalles, argiles | Moyenne | A |
| P4 | Helophytes | Nulle | A |
| P5 | Bryophytes | Moyenne | B |
| P6 | Pierres, galets | Moyenne | B |
| P7 | Blocs | Moyenne | B |
| P8 | Sables | Lente | B |
| P9 | Blocs | Lente | C |
| P10 | Blocs | Nulle | C |
| P11 | Blocs | Moyenne | C |
| P12 | Blocs | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 9 | 144 | 43 |
| Nemoura | 26 | 1 | 2 | |
| Protonemura | 46 | 3 | 19 | 4 |
| Perlodidae | 127 | 4 | 2 | |
| Cheumatopsyche | 221 | 1 | ||
| Hydropsyche | 212 | 22 | 204 | 53 |
| Ithytrichia | 198 | 3 | 6 | |
| Athripsodes | 311 | 1 | ||
| Limnephilinae | 3163 | 1 | ||
| Polycentropus | 231 | 1 | ||
| Psychomyia | 239 | 1 | 1 | |
| Rhyacophila lato-sensu | 183 | 1 | 3 | |
| Notidobia | 325 | 1 | ||
| Baetis lato sensu | 9794 | 8 | 6 | 8 |
| Ephemera | 502 | 7 | 24 | 5 |
| Ecdyonurus | 421 | 2 | 7 | 6 |
| Heptagenia | 443 | 2 | ||
| Heptageniidae | 399 | 2 | 12 | 12 |
| Habrophlebia | 491 | 3 | ||
| Paraleptophlebia | 481 | 12 | 7 | 21 |
| Leptophlebiidae | 473 | 17 | 34 | 49 |
| Gerris | 735 | 2 | ||
| Anthomyidae | 847 | 1 | ||
| Ceratopogonidae | 819 | 1 | 3 | |
| Chironomidae | 807 | 144 | 228 | 132 |
| Empididae | 831 | 5 | 104 | 10 |
| Limoniidae | 757 | 224 | 116 | 92 |
| Psychodidae | 783 | 1 | ||
| Simuliidae | 801 | 132 | 108 | 88 |
| Tabanidae | 837 | 2 | 88 | 1 |
| Tipulidae | 753 | 1 | 1 | |
| Calopteryx | 650 | 15 | 8 | 6 |
| Platycnemis | 657 | 1 | ||
| Copepoda | 3206 | 1 | 1 | |
| Ostracoda | 3170 | 1 | ||
| Pacifastacus | 872 | 2 | 2 | |
| Pisidium | 1043 | 6 | 36 | 1 |
| Sphaeriidae | 1042 | 3 | 52 | 2 |
| Physidae | 995 | 1 | ||
| Xironogiton | 23599 | 13 | ||
| Oligochaeta | 933 | 17 | 104 | 92 |
| Hydracarina | 906 | 1 |