Listes faunistiques invertébrés
Le Lagast à Auriac Lagast 05125540
- Télécharger la fiche IRSTEA xls / 116 ko
- Export SEEE csv / 7 ko
| Date prélèvement | 19/07/2017 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 15.0 |
| GFI | 7 |
| Variété taxonomique | 31 |
| Taxon indicateur | Leuctridae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 24.0 | dominant |
| Blocs | 2.0 | marginal |
| Granulats | 6.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 1.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 64.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Nulle | A |
| P4 | Blocs | Lente | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Granulats | Lente | B |
| P7 | Dalles, argiles | Moyenne | B |
| P8 | Dalles, argiles | Lente | B |
| P9 | Dalles, argiles | Moyenne | C |
| P10 | Dalles, argiles | Lente | C |
| P11 | Dalles, argiles | Moyenne | C |
| P12 | Pierres, galets | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Euleuctra geniculata | 68 | 2 | 1 | |
| Leuctra | 69 | 15 | 22 | 14 |
| Protonemura | 46 | 27 | 23 | |
| Glossosoma | 190 | 1 | ||
| Glossosomatidae | 189 | 1 | ||
| Silo | 292 | 1 | 1 | |
| Hydropsyche | 212 | 16 | 30 | 8 |
| Limnephilinae | 3163 | 91 | 10 | 1 |
| Philopotamus | 209 | 2 | 1 | |
| Rhyacophila lato-sensu | 183 | 4 | 6 | 11 |
| Sericostoma | 322 | 96 | 2 | |
| Baetis | 364 | 45 | 22 | 33 |
| Ephemerella ignita | 451 | 6 | 7 | 3 |
| Ephemera | 502 | 48 | 89 | 5 |
| Ecdyonurus | 421 | 1 | 4 | 1 |
| Epeorus | 400 | 3 | 9 | 32 |
| Rhithrogena | 404 | 1 | ||
| Habrophlebia | 491 | 2 | ||
| Leptophlebiidae | 473 | 4 | ||
| Velia | 745 | 1 | ||
| Colymbetinae | 2395 | 1 | ||
| Dupophilus | 620 | 4 | 9 | 8 |
| Elmis | 618 | 18 | 12 | 14 |
| Esolus | 619 | 3 | 3 | |
| Limnius | 623 | 4 | 20 | 11 |
| Hydraena | 608 | 1 | ||
| Scirtidae | 634 | 1 | ||
| Athericidae | 838 | 3 | 13 | 1 |
| Blephariceridae | 747 | 1 | ||
| Chironomidae | 807 | 39 | 1 | |
| Dixidae | 793 | 1 | ||
| Empididae | 831 | 5 | 2 | 5 |
| Limoniidae | 757 | 1 | 1 | 1 |
| Simuliidae | 801 | 28 | 99 | 75 |
| Cordulegaster | 687 | 1 | ||
| Gammarus | 892 | 33 | 13 | 11 |
| Pisidium | 1043 | 1 | ||
| Sphaerium | 1044 | 1 | ||
| Sphaeriidae | 1042 | 4 | 1 | |
| Ancylus | 1028 | 2 | 2 | 3 |
| Bythinella | 992 | 3 | ||
| Potamopyrgus | 978 | 1 | ||
| Polycelis | 1064 | 12 | 25 | 5 |
| Oligochaeta | 933 | 14 | 13 | 18 |
| Nemathelmintha | 3111 | 1 | 1 | |
| Gordius | 1086 | 2 | ||
| Hydracarina | 906 | 3 | 1 |