Listes faunistiques invertébrés
Le Lagast à Auriac Lagast 05125540
- Télécharger la fiche IRSTEA xls / 646 ko
- Export SEEE csv / 9 ko
| Date prélèvement | 30/07/2020 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 18.0 |
| GFI | 8 |
| Variété taxonomique | 37 |
| I2M2 | 0.7966 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 64.0 | dominant |
| Blocs | 15.0 | dominant |
| Granulats | 3.0 | marginal |
| Helophytes | ||
| Vases | ||
| Sables | 6.0 | dominant |
| Algues | ||
| Dalles, argiles | 9.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Litieres | Lente | A |
| P3 | Branchage, racines | Lente | A |
| P4 | Granulats | Lente | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Moyenne | B |
| P7 | Sables | Lente | B |
| P8 | Dalles, argiles | Moyenne | B |
| P9 | Pierres, galets | Lente | C |
| P10 | Pierres, galets | Rapide | C |
| P11 | Pierres, galets | Nulle | C |
| P12 | Pierres, galets | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Siphonoperla | 174 | 1 | ||
| Leuctra | 69 | 391 | 36 | 35 |
| Leuctra geniculata | 33830 | 1 | ||
| Nemoura | 26 | 1 | 1 | |
| Protonemura | 46 | 11 | 7 | 15 |
| Nemouridae | 20 | 3 | ||
| Perlodes | 150 | 4 | ||
| Glossosoma | 190 | 2 | ||
| Silo-lithax | 5219 | 6 | 3 | |
| Goeridae | 286 | 1 | ||
| Hydropsyche | 212 | 1 | 2 | 6 |
| Hydropsychidae | 211 | 2 | 4 | |
| Crunoecia | 309 | 1 | ||
| Adicella | 320 | 2 | ||
| Limnephilinae | 3163 | 14 | ||
| Odontocerum albicorne | 340 | 2 | 4 | 4 |
| Philopotamus | 209 | 6 | ||
| Psychomyia pusilla | 240 | 1 | ||
| Rhyacophila lato-sensu | 183 | 4 | 5 | 20 |
| Sericostoma | 322 | 38 | 3 | 2 |
| Sericostomatidae | 321 | 2 | 9 | 2 |
| Baetis lato sensu | 9794 | 45 | 123 | 196 |
| Ephemerella ignita | 451 | 2 | ||
| Ephemera | 502 | 31 | 12 | 6 |
| Ecdyonurus | 421 | 11 | 11 | |
| Epeorus | 400 | 3 | 11 | |
| Rhithrogena | 404 | 6 | 7 | |
| Heptageniidae | 399 | 1 | 7 | 16 |
| Habroleptoides | 485 | 1 | ||
| Habrophlebia | 491 | 3 | 3 | |
| Leptophlebiidae | 473 | 124 | 2 | 8 |
| Gerris | 735 | 2 | ||
| Hydrometra | 740 | 2 | ||
| Colymbetinae | 2395 | 3 | ||
| Dupophilus | 620 | 9 | 9 | 48 |
| Elmis | 618 | 13 | 1 | 2 |
| Esolus | 619 | 1 | 6 | 13 |
| Limnius | 623 | 6 | 12 | 33 |
| Hydraena | 608 | 7 | 2 | 2 |
| Limnebius | 599 | 1 | ||
| Hydrocyphon | 637 | 1 | ||
| Scirtidae | 634 | 2 | 1 | |
| Athericidae | 838 | 1 | 2 | 1 |
| Blephariceridae | 747 | 1 | ||
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 192 | 40 | 34 |
| Dixidae | 793 | 1 | 1 | 4 |
| Empididae | 831 | 6 | 2 | 5 |
| Limoniidae | 757 | 2 | 10 | 8 |
| Simuliidae | 801 | 30 | 48 | 920 |
| Tipulidae | 753 | 1 | ||
| Calopteryx | 650 | 4 | ||
| Cordulegaster | 687 | 8 | 2 | 1 |
| Gammarus | 892 | 126 | 12 | 54 |
| Gammaridae | 887 | 148 | 29 | 89 |
| Gastropoda | 5123 | 1 | ||
| Ancylus fluviatilis | 1029 | 1 | ||
| Planariidae | 1061 | 9 | 20 | 44 |
| Oligochaeta | 933 | 4 | 40 | 138 |
| Nematoda | 1089 | 1 | 1 | 1 |
| Hydracarina | 906 | 1 | 1 | 1 |