Listes faunistiques invertébrés
TORRENSON A ST-CYR 06830030
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| Date prélèvement | 30/03/2022 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 13.0 |
| GFI | 7 |
| Variété taxonomique | 24 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | ||
| Branchage, racines | ||
| Pierres, galets | ||
| Blocs | ||
| Granulats | 2.0 | marginal |
| Helophytes | 96.0 | dominant |
| Vases | ||
| Sables | 2.0 | marginal |
| Algues | ||
| Dalles, argiles |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Granulats | Lente | A |
| P2 | Sables | Nulle | A |
| P3 | Granulats | Nulle | A |
| P4 | Sables | Nulle | A |
| P5 | Helophytes | Nulle | B |
| P6 | Helophytes | Nulle | B |
| P7 | Helophytes | Nulle | B |
| P8 | Helophytes | Nulle | B |
| P9 | Helophytes | Nulle | C |
| P10 | Helophytes | Nulle | C |
| P11 | Helophytes | Nulle | C |
| P12 | Helophytes | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Nemoura | 26 | 3 | ||
| Limnephilinae | 3163 | 41 | 98 | 19 |
| Baetis | 364 | 88 | 15 | 21 |
| Cloeon | 387 | 2 | ||
| Procloeon | 390 | 1 | ||
| Habrophlebia | 491 | 7 | 12 | 3 |
| Leptophlebiidae | 473 | 11 | 20 | 18 |
| Dryops | 613 | 1 | ||
| Colymbetinae | 2395 | 9 | 14 | 20 |
| Oulimnius | 622 | 1 | ||
| Helophorus | 604 | 1 | ||
| Hydrophilinae | 2517 | 1 | 1 | |
| Ceratopogonidae | 819 | 376 | 12 | 7 |
| Chironomidae | 807 | 328 | 976 | 385 |
| Dixidae | 793 | 1 | ||
| Dolichopodidae | 836 | 1 | ||
| Empididae | 831 | 1 | ||
| Limoniidae | 757 | 2 | 1 | |
| Pediciini | 20537 | 1 | ||
| Psychodidae | 783 | 4 | ||
| Simuliidae | 801 | 24 | 42 | 44 |
| Tabanidae | 837 | 1 | ||
| Tipulidae | 753 | 2 | 1 | |
| Gammarus | 892 | 93 | 960 | 80 |
| Gammaridae | 887 | 52 | 128 | 288 |
| Cladocera | 3127 | 1 | 1 | 1 |
| Copepoda | 3206 | 1 | 1 | 1 |
| Ostracoda | 3170 | 1 | 1 | 1 |
| Asellidae | 880 | 29 | 17 | 20 |
| Pisidium | 1043 | 52 | 16 | 20 |
| Sphaeriidae | 1042 | 60 | 12 | 32 |
| Potamopyrgus | 978 | 124 | 19 | 18 |
| Galba | 1001 | 1 | 6 | 6 |
| Radix | 1004 | 1 | ||
| Physella | 19280 | 3 | 4 | 7 |
| Planorbidae | 1009 | 1 | ||
| Helobdella | 912 | 1 | ||
| Oligochaeta | 933 | 2497 | 897 | 60 |
| Dugesia | 1056 | 1 | ||
| Mermithoïdea | 3159 | 3 | ||
| Hydra | 1077 | 1 |