Listes faunistiques invertébrés
La Nère au niveau de Francon 05175200
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| Date prélèvement | 26/09/2018 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 15.0 |
| GFI | 6 |
| Variété taxonomique | 34 |
| Taxon indicateur | Ephemeridae |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 3.0 | marginal |
| Pierres, galets | 25.0 | dominant |
| Blocs | 0.0 | marginal |
| Granulats | 60.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 10.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Lente | A |
| P3 | Dalles, argiles | Nulle | A |
| P4 | Branchage, racines | Moyenne | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Granulats | Lente | B |
| P7 | Sables | Lente | B |
| P8 | Granulats | B | |
| P9 | Granulats | Nulle | C |
| P10 | Granulats | Lente | C |
| P11 | Granulats | Moyenne | C |
| P12 | Pierres, galets | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 1 | 1 | |
| Hydropsyche | 212 | 52 | 163 | 59 |
| Hydroptila | 200 | 1 | 2 | |
| Hydroptilidae | 193 | 1 | ||
| Leptocerus | 319 | 1 | ||
| Mystacides | 312 | 1 | ||
| Oecetis | 317 | 2 | ||
| Polycentropodidae | 223 | 1 | ||
| Baetis lato sensu | 9794 | 8 | 8 | |
| Procloeon | 390 | 1 | 1 | 1 |
| Baetidae | 363 | 1 | ||
| Caenis | 457 | 1 | 6 | 5 |
| Ephemera | 502 | 2 | 3 | 20 |
| Ecdyonurus | 421 | 2 | ||
| Heptagenia | 443 | 2 | ||
| Heptageniidae | 399 | 1 | 5 | |
| Leptophlebiidae | 473 | 2 | ||
| Aphelocheirus aestivalis | 2714 | 1 | 7 | 4 |
| Pomatinus substriatus | 33844 | 2 | ||
| Dytiscidae | 527 | 1 | ||
| Dupophilus | 620 | 6 | 2 | |
| Elmis | 618 | 6 | 12 | 9 |
| Esolus | 619 | 70 | 54 | |
| Limnius | 623 | 6 | 7 | |
| Macronychus | 626 | 3 | ||
| Oulimnius | 622 | 55 | 46 | 11 |
| Potamophilus | 615 | 4 | ||
| Stenelmis | 617 | 3 | ||
| Orectochilus | 515 | 3 | 2 | |
| Hydraena | 608 | 1 | 4 | |
| Athericidae | 838 | 18 | 1 | 11 |
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 43 | 25 | 57 |
| Limoniidae | 757 | 1 | 5 | |
| Simuliidae | 801 | 1 | 1 | |
| Tipulidae | 753 | 1 | ||
| Boyeria irene | 671 | 3 | ||
| Calopteryx | 650 | 3 | ||
| Gomphus | 679 | 2 | 4 | |
| Onychogomphus | 682 | 1 | 2 | 1 |
| Gomphidae | 678 | 2 | 1 | |
| Echinogammarus | 888 | 80 | 83 | 45 |
| Gammarus | 892 | 2 | ||
| Gammaridae | 887 | 1 | 32 | |
| Pontogammaridae | 23208 | 8 | 6 | |
| Corbicula | 1051 | 6 | 91 | 20 |
| Sphaeriidae | 1042 | 2 | ||
| Ancylus fluviatilis | 1029 | 2 | 1 | |
| Potamopyrgus antipodarum | 979 | 5 | 5 | 5 |
| Galba truncatula | 1002 | 1 | ||
| Physa (sensu lato) | 997 | 3 | ||
| Oligochaeta | 933 | 49 | 16 | 39 |
| Hydracarina | 906 | 1 | 1 | 1 |
| Hydrozoa | 3168 | 2 |