Listes faunistiques invertébrés
le ruisseau de Malaval à Alleyras 04027295
- Télécharger la fiche IRSTEA xls / 27 ko
- Export SEEE csv / 8 ko
| Date prélèvement | 20/07/2012 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 18.0 |
| GFI | 9 |
| Variété taxonomique | 36 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 2.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 2.0 | marginal |
| Branchage, racines | 0.0 | marginal |
| Pierres, galets | 55.0 | dominant |
| Blocs | 14.0 | dominant |
| Granulats | 4.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 3.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 20.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Dalles, argiles | Moyenne | B |
| P2 | Bryophytes | Moyenne | A |
| P3 | Granulats | Lente | A |
| P4 | Litieres | Nulle | A |
| P5 | Blocs | Moyenne | B |
| P6 | Pierres, galets | Moyenne | B |
| P7 | Pierres, galets | Lente | B |
| P8 | Pierres, galets | Moyenne | C |
| P9 | Pierres, galets | Nulle | C |
| P10 | Dalles, argiles | Lente | C |
| P11 | Sables | Nulle | A |
| P12 | Pierres, galets | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 12 | 46 | 48 |
| Nemoura | 26 | 1 | ||
| Protonemura | 46 | 225 | 73 | 81 |
| Perlidae | 155 | 1 | 3 | 7 |
| Dinocras | 156 | 2 | 4 | 8 |
| Perla | 164 | 5 | ||
| Isoperla | 140 | 3 | 1 | |
| Perlodes | 150 | 1 | ||
| Glossosomatidae | 189 | 4 | ||
| Glossosoma | 190 | 2 | ||
| Silo | 292 | 1 | 1 | 3 |
| Hydropsychidae | 211 | 1 | ||
| Hydropsyche | 212 | 44 | 1 | 16 |
| Crunoecia | 309 | 1 | ||
| Limnephilidae | 276 | 8 | 1 | 6 |
| Drusinae | 3120 | 4 | 1 | |
| Stenophylacini-chaetopterygini | 3146 | 40 | 3 | 3 |
| Odontocerum | 339 | 33 | 7 | 16 |
| Philopotamus | 209 | 3 | 8 | |
| Rhyacophila lato-sensu | 183 | 2 | 4 | 1 |
| Sericostoma | 322 | 1 | ||
| Baetis | 364 | 107 | 370 | 73 |
| Ephemerella ignita | 451 | 18 | 8 | 13 |
| Ephemera | 502 | 3 | 2 | |
| Heptageniidae | 399 | 2 | 3 | |
| Ecdyonurus | 421 | 1 | 33 | 5 |
| Epeorus | 400 | 3 | ||
| Rhithrogena | 404 | 5 | 9 | |
| Leptophlebiidae | 473 | 2 | ||
| Habroleptoides | 485 | 1 | 2 | |
| Hydroporinae | 2393 | 6 | 2 | |
| Dupophilus | 620 | 1 | 6 | 3 |
| Elmis | 618 | 2 | 5 | 6 |
| Esolus | 619 | 14 | 2 | |
| Limnius | 623 | 27 | 85 | 19 |
| Hydraena | 608 | 2 | 6 | 8 |
| Atherix | 839 | 9 | 2 | 4 |
| Ceratopogoninae | 822 | 8 | 6 | 2 |
| Chironomidae | 807 | 574 | 27 | 37 |
| Clinocerinae | 9813 | 5 | 1 | |
| Hemerodromiinae | 3202 | 1 | ||
| Limoniidae | 757 | 94 | 29 | 4 |
| Dicranota | 765 | 3 | 2 | 5 |
| Simulium | 806 | 70 | 19 | 37 |
| Cordulegaster | 687 | 1 | 1 | |
| Sialis | 704 | 1 | ||
| Gammaridae | 887 | 41 | 35 | 27 |
| Gammarus | 892 | 55 | 41 | 47 |
| Ancylus | 1028 | 1 | 2 | 1 |
| Bythinella | 992 | 1 | ||
| Pisidium | 1043 | 8 | 1 | |
| Polycelis | 1064 | 14 | 31 | 14 |
| Oligochaeta | 933 | 32 | 53 | 39 |
| Mermithoïdea | 3159 | 3 | 3 | |
| Hydracarina | 906 | 3 | 3 |