Listes faunistiques invertébrés
Le Lagast à Auriac Lagast 05125540
- Télécharger la fiche IRSTEA xls / 619 ko
- Export SEEE csv / 9 ko
| Date prélèvement | 10/08/2022 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 17.0 |
| GFI | 8 |
| Variété taxonomique | 34 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | ||
| Pierres, galets | 70.0 | dominant |
| Blocs | 12.0 | dominant |
| Granulats | 10.0 | dominant |
| Helophytes | ||
| Vases | ||
| Sables | 3.0 | marginal |
| Algues | ||
| Dalles, argiles | 3.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Lente | A |
| P2 | Litieres | Nulle | A |
| P3 | Sables | Nulle | A |
| P4 | Dalles, argiles | Lente | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Blocs | Lente | B |
| P7 | Granulats | Lente | B |
| P8 | Pierres, galets | Moyenne | B |
| P9 | Pierres, galets | Nulle | C |
| P10 | Pierres, galets | Lente | C |
| P11 | Pierres, galets | Moyenne | C |
| P12 | Pierres, galets | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 57 | 94 | 43 |
| Nemoura | 26 | 7 | 3 | |
| Protonemura | 46 | 3 | 5 | |
| Perlodes | 150 | 2 | ||
| Perlodidae | 127 | 1 | ||
| Micrasema | 268 | 1 | ||
| Silo-lithax | 5219 | 2 | ||
| Hydropsyche | 212 | 3 | 2 | |
| Hydropsychidae | 211 | 1 | ||
| Limnephilinae | 3163 | 9 | 1 | |
| Odontocerum albicorne | 340 | 5 | 5 | 1 |
| Lype | 241 | 1 | 6 | |
| Psychomyia pusilla | 240 | 1 | ||
| Rhyacophila lato-sensu | 183 | 2 | 15 | |
| Sericostoma | 322 | 124 | 55 | 4 |
| Sericostomatidae | 321 | 27 | 1 | 4 |
| Baetis lato sensu | 9794 | 2 | 33 | 18 |
| Ephemerella ignita | 451 | 1 | 3 | |
| Ephemera | 502 | 15 | 12 | 7 |
| Ecdyonurus | 421 | 8 | 16 | |
| Epeorus | 400 | 5 | 9 | |
| Heptagenia | 443 | 2 | ||
| Rhithrogena | 404 | 1 | 4 | |
| Heptageniidae | 399 | 7 | 16 | |
| Habroleptoides | 485 | 3 | 4 | 6 |
| Habrophlebia | 491 | 10 | ||
| Leptophlebiidae | 473 | 63 | 76 | 26 |
| Colymbetinae | 2395 | 1 | ||
| Dytiscidae | 527 | 1 | ||
| Dupophilus | 620 | 4 | 48 | 95 |
| Elmis | 618 | 9 | 8 | 5 |
| Esolus | 619 | 3 | 273 | 11 |
| Limnius | 623 | 9 | 8 | 16 |
| Oulimnius | 622 | 2 | 3 | |
| Hydraena | 608 | 1 | 1 | |
| Helodes | 636 | 2 | ||
| Hydrocyphon | 637 | 1 | ||
| Athericidae | 838 | 3 | 1 | 1 |
| Chironomidae | 807 | 341 | 52 | 33 |
| Dixidae | 793 | 1 | ||
| Empididae | 831 | 13 | 4 | |
| Limoniidae | 757 | 6 | 10 | 5 |
| Pediciidae | 50011 | 3 | ||
| Simuliidae | 801 | 1 | 6 | 11 |
| Tabanidae | 837 | 2 | ||
| Calopteryx | 650 | 5 | 4 | 3 |
| Cordulegaster | 687 | 1 | ||
| Sialis | 704 | 2 | ||
| Gammarus | 892 | 7 | 144 | 109 |
| Gammaridae | 887 | 106 | 28 | 79 |
| Hydracarina | 906 | 1 | 1 | 1 |
| Pisidium | 1043 | 1 | 1 | |
| Sphaeriidae | 1042 | 3 | ||
| Ancylus fluviatilis | 1029 | 1 | 1 | |
| Oligochaeta | 933 | 9 | 5 | |
| Planariidae | 1061 | 8 | 106 | 54 |
| Nematoda | 1089 | 1 |