Listes faunistiques invertébrés
Le Lagast à Auriac Lagast 05125540
- Télécharger la fiche IRSTEA xls / 619 ko
- Export SEEE csv / 8 ko
| Date prélèvement | 26/08/2021 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 18.0 |
| GFI | 8 |
| Variété taxonomique | 37 |
| 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 | 1.0 | marginal |
| Pierres, galets | 69.0 | dominant |
| Blocs | 12.0 | dominant |
| Granulats | 6.0 | dominant |
| Helophytes | ||
| Vases | ||
| Sables | 2.0 | marginal |
| Algues | ||
| Dalles, argiles | 8.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Lente | A |
| P4 | Sables | Nulle | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Blocs | Moyenne | B |
| P7 | Granulats | Lente | B |
| P8 | Dalles, argiles | Moyenne | B |
| P9 | Pierres, galets | Moyenne | C |
| P10 | Pierres, galets | Nulle | C |
| P11 | Pierres, galets | Rapide | C |
| P12 | Pierres, galets | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 175 | 24 | 34 |
| Leuctridae | 66 | 27 | 1 | 5 |
| Nemoura | 26 | 20 | 3 | 9 |
| Protonemura | 46 | 27 | 4 | 31 |
| Perlodes | 150 | 1 | 1 | |
| Silo-lithax | 5219 | 1 | 2 | |
| Hydropsyche | 212 | 4 | 3 | 7 |
| Hydropsychidae | 211 | 1 | 1 | |
| Limnephilinae | 3163 | 1 | ||
| Odontocerum albicorne | 340 | 11 | 2 | 1 |
| Philopotamus | 209 | 1 | 3 | |
| Lype | 241 | 3 | ||
| Rhyacophila lato-sensu | 183 | 4 | 5 | 15 |
| Sericostoma | 322 | 45 | 1 | 1 |
| Sericostomatidae | 321 | 13 | 13 | 2 |
| Baetis lato sensu | 9794 | 44 | 67 | 41 |
| Ephemera | 502 | 17 | 10 | 6 |
| Ecdyonurus | 421 | 3 | 14 | |
| Epeorus | 400 | 2 | 6 | 16 |
| Rhithrogena | 404 | 8 | 28 | |
| Heptageniidae | 399 | 1 | 30 | 28 |
| Habroleptoides | 485 | 2 | 2 | 4 |
| Leptophlebiidae | 473 | 1 | 2 | 2 |
| Gerridae | 734 | 1 | 1 | 3 |
| Hydrometra | 740 | 1 | ||
| Dupophilus | 620 | 14 | 30 | 34 |
| Elmis | 618 | 30 | 3 | 3 |
| Esolus | 619 | 3 | 9 | 5 |
| Limnius | 623 | 10 | 15 | 6 |
| Oulimnius | 622 | 3 | ||
| Hydraena | 608 | 3 | 1 | 1 |
| Helodes | 636 | 1 | ||
| Athericidae | 838 | 1 | 3 | |
| Blephariceridae | 747 | 5 | ||
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 509 | 12 | 7 |
| Dixidae | 793 | 4 | 1 | 1 |
| Empididae | 831 | 4 | 2 | |
| Limoniidae | 757 | 4 | 3 | 2 |
| Pediciidae | 50011 | 3 | 4 | 3 |
| Psychodidae | 783 | 1 | ||
| Simuliidae | 801 | 60 | 461 | 346 |
| Calopteryx | 650 | 5 | ||
| Cordulegaster | 687 | 2 | 1 | |
| Hymenoptera | 1081 | 1 | ||
| Gammarus | 892 | 231 | 23 | 84 |
| Gammaridae | 887 | 702 | 39 | 108 |
| Hydracarina | 906 | 1 | 1 | |
| Pisidium | 1043 | 1 | ||
| Sphaeriidae | 1042 | 4 | ||
| Bythinella | 992 | 1 | 1 | |
| Hydrobiidae | 973 | 1 | ||
| Oligochaeta | 933 | 14 | 75 | 33 |
| Planariidae | 1061 | 36 | 6 | 8 |
| Nematoda | 1089 | 1 | 1 |