Listes faunistiques invertébrés
le ruisseau de Malaval à Alleyras 04027295
- Télécharger la fiche IRSTEA xls / 32 ko
- Export SEEE csv / 8 ko
| Date prélèvement | 06/07/2011 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 18.0 |
| GFI | 9 |
| Variété taxonomique | 36 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 4.0 | marginal |
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 24.0 | dominant |
| Blocs | 0.0 | marginal |
| Granulats | 10.0 | dominant |
| Helophytes | ||
| Vases | ||
| Sables | 3.0 | marginal |
| Algues | ||
| Dalles, argiles | 38.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Bryophytes | Moyenne | A |
| P3 | Dalles, argiles | Rapide | C |
| P4 | Pierres, galets | Lente | C |
| P5 | Sables | Nulle | A |
| P6 | Dalles, argiles | Moyenne | B |
| P7 | Roches | Moyenne | B |
| P8 | Pierres, galets | Moyenne | B |
| P9 | Dalles, argiles | Lente | C |
| P10 | Branchage, racines | Nulle | A |
| P11 | Roches | Rapide | C |
| P12 | Granulats | Lente | B |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 1 | 3 | 3 |
| Protonemura | 46 | 54 | 85 | 88 |
| Perlidae | 155 | 3 | 3 | |
| Dinocras | 156 | 14 | 2 | 7 |
| Glossosomatidae | 189 | 1 | ||
| Glossosoma | 190 | 1 | ||
| Silo | 292 | 2 | 4 | |
| Hydropsyche | 212 | 1 | 6 | 16 |
| Drusinae | 3120 | 1 | ||
| Stenophylacini-chaetopterygini | 3146 | 67 | 6 | |
| Odontocerum | 339 | 17 | 27 | 8 |
| Philopotamus | 209 | 1 | 1 | |
| Rhyacophila lato-sensu | 183 | 2 | 9 | 8 |
| Sericostomatidae | 321 | 4 | ||
| Sericostoma | 322 | 3 | 1 | 1 |
| Baetis | 364 | 31 | 190 | 151 |
| Ephemera | 502 | 2 | 2 | |
| Ephemerella ignita | 451 | 29 | 13 | |
| Ecdyonurus | 421 | 18 | ||
| Epeorus | 400 | 1 | 4 | |
| Rhithrogena | 404 | 3 | 12 | |
| Habroleptoides | 485 | 2 | 1 | |
| Velia | 745 | 1 | ||
| Colymbetinae | 2395 | 1 | ||
| Hydroporinae | 2393 | 1 | ||
| Dupophilus | 620 | 1 | 4 | 4 |
| Elmis | 618 | 24 | 3 | 5 |
| Esolus | 619 | 86 | 14 | |
| Limnius | 623 | 24 | 50 | 75 |
| Hydraena | 608 | 3 | 19 | 20 |
| Athericidae | 838 | 5 | 5 | |
| Ceratopogonidae | 819 | 8 | 1 | |
| Chironomidae | 807 | 1127 | 100 | |
| Dixidae | 793 | 1 | 2 | |
| Empididae | 831 | 2 | 2 | 2 |
| Limoniidae | 757 | 3 | 9 | 16 |
| Psychodidae | 783 | 1 | ||
| Rhagionidae | 841 | 1 | ||
| Simuliidae | 801 | 40 | 9 | |
| Tabanidae | 837 | 1 | ||
| Sialis | 704 | 2 | ||
| Gammaridae | 887 | 1 | 2 | |
| Gammarus | 892 | 51 | 11 | 5 |
| Pisidium | 1043 | 1 | ||
| Ancylus | 1028 | 2 | ||
| Erpobdellidae | 928 | 1 | 1 | 1 |
| Polycelis | 1064 | 15 | ||
| Oligochaeta | 933 | 1 | 194 | 17 |
| Nematoda | 1089 | 1 | 1 | |
| Hydracarina | 906 | 1 | 1 | 1 |