Listes faunistiques invertébrés
L'Alrance à Alrance 05144250
- Télécharger la fiche IRSTEA xls / 155 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 09/05/2022 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 17.0 |
| GFI | 9 |
| Variété taxonomique | 32 |
| I2M2 | 0.6622 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 1.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 3.0 | marginal |
| Pierres, galets | 15.0 | dominant |
| Blocs | 2.0 | marginal |
| Granulats | 38.0 | dominant |
| Helophytes | ||
| Vases | ||
| Sables | 35.0 | dominant |
| Algues | ||
| Dalles, argiles | 4.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Hydrophytes | Lente | A |
| P3 | Litieres | Nulle | A |
| P4 | Branchage, racines | Lente | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Granulats | Lente | B |
| P7 | Sables | Lente | B |
| P8 | Granulats | Nulle | B |
| P9 | Granulats | Moyenne | C |
| P10 | Sables | Nulle | C |
| P11 | Granulats | Lente | C |
| P12 | Sables | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Siphonoperla | 174 | 3 | 4 | |
| Protonemura | 46 | 336 | 33 | 13 |
| Isoperla | 140 | 6 | 4 | |
| Taeniopterygidae | 2 | 1 | ||
| Beraea | 328 | 1 | 1 | |
| Micrasema | 268 | 6 | ||
| Agapetus | 191 | 21 | 12 | |
| Silo | 292 | 5 | 3 | |
| Hydropsyche | 212 | 8 | 6 | 1 |
| Drusinae | 3120 | 1 | ||
| Limnephilinae | 3163 | 6 | 2 | |
| Rhyacophila lato-sensu | 183 | 2 | ||
| Baetis lato sensu | 9794 | 11 | 24 | 20 |
| Centroptilum | 383 | 3 | ||
| Ephemerella ignita | 451 | 21 | 44 | 80 |
| Ephemera | 502 | 5 | 6 | 23 |
| Ecdyonurus | 421 | 2 | ||
| Rhithrogena | 404 | 20 | 27 | |
| Heptageniidae | 399 | 10 | 25 | |
| Paraleptophlebia | 481 | 1 | ||
| Leptophlebiidae | 473 | 5 | 1 | 2 |
| Micronecta | 719 | 4 | 5 | |
| Veliidae | 743 | 1 | ||
| Dupophilus | 620 | 6 | 144 | 160 |
| Elmis | 618 | 25 | 4 | 4 |
| Esolus | 619 | 12 | 12 | |
| Limnius | 623 | 16 | 12 | |
| Oulimnius | 622 | 1 | ||
| Orectochilus | 515 | 4 | ||
| Hydraena | 608 | 1 | ||
| Ceratopogoninae | 822 | 4 | 8 | |
| Chironomidae | 807 | 58 | 46 | 688 |
| Empididae | 831 | 12 | 1 | 1 |
| Limoniidae | 757 | 1 | 5 | |
| Pediciini | 20537 | 3 | 5 | |
| Psychodidae | 783 | 1 | 1 | |
| Simuliidae | 801 | 2 | 10 | |
| Tipulidae | 753 | 1 | ||
| Cordulegaster | 687 | 1 | ||
| Gammarus | 892 | 212 | 13 | 9 |
| Pisidium | 1043 | 40 | 11 | 17 |
| Ancylus | 1028 | 1 | ||
| Oligochaeta | 933 | 96 | 688 | |
| Polycelis | 1064 | 10 | 9 | 7 |
| Hydracarina | 906 | 1 | 1 |