Listes faunistiques invertébrés
Le Cassurex à Najac 05125900
- Télécharger la fiche IRSTEA xls / 619 ko
- Export SEEE csv / 9 ko
| Date prélèvement | 08/06/2021 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 19.0 |
| GFI | 9 |
| 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 | 29.0 | dominant |
| Blocs | 27.0 | dominant |
| Granulats | 1.0 | marginal |
| Helophytes | ||
| Vases | ||
| Sables | 33.0 | dominant |
| Algues | ||
| Dalles, argiles | 7.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Litieres | Nulle | 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 | Sables | Nulle | C |
| P10 | Pierres, galets | Lente | C |
| P11 | Blocs | Lente | C |
| P12 | Sables | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 1 | 6 | |
| Nemoura | 26 | 1 | ||
| Nemouridae | 20 | 1 | ||
| Isoperla | 140 | 2 | 2 | |
| Perlodidae | 127 | 1 | ||
| Agapetus | 191 | 1 | ||
| Silo-lithax | 5219 | 1 | ||
| Goeridae | 286 | 1 | 1 | |
| Polycentropus | 231 | 1 | 2 | |
| Polycentropodidae | 223 | 1 | ||
| Rhyacophila lato-sensu | 183 | 25 | 18 | 3 |
| Baetis lato sensu | 9794 | 36 | 162 | 71 |
| Procloeon bifidum | 391 | 1 | ||
| Ephemerella ignita | 451 | 182 | 13 | 22 |
| Ephemera | 502 | 14 | 3 | 24 |
| Ecdyonurus | 421 | 2 | 9 | 8 |
| Epeorus | 400 | 1 | ||
| Rhithrogena | 404 | 2 | 26 | |
| Heptageniidae | 399 | 2 | 6 | 1 |
| Habroleptoides | 485 | 4 | 2 | 8 |
| Paraleptophlebia | 481 | 2 | ||
| Leptophlebiidae | 473 | 2 | ||
| Micronecta | 719 | 1 | ||
| Gerridae | 734 | 2 | 3 | |
| Veliidae | 743 | 6 | 1 | |
| Colymbetinae | 2395 | 1 | ||
| Elmis | 618 | 33 | 6 | 2 |
| Esolus | 619 | 6 | 2 | |
| Oulimnius | 622 | 7 | ||
| Helophorus | 604 | 3 | 1 | |
| Hydraena | 608 | 1 | 1 | |
| Hydrophilinae | 2517 | 1 | ||
| Helodes | 636 | 1 | ||
| Hydrocyphon | 637 | 2 | ||
| Ceratopogonidae | 819 | 4 | 2 | 1 |
| Chironomidae | 807 | 114 | 16 | 18 |
| Dixidae | 793 | 2 | 1 | |
| Limoniidae | 757 | 1 | 1 | |
| Pediciidae | 50011 | 22 | 17 | 10 |
| Psychodidae | 783 | 8 | 1 | |
| Simuliidae | 801 | 3 | 1 | |
| Calopteryx | 650 | 1 | ||
| Gammarus | 892 | 2774 | 880 | 690 |
| Gammaridae | 887 | 180 | 30 | |
| Copepoda | 3206 | 1 | ||
| Hydracarina | 906 | 1 | 1 | 1 |
| Corbicula | 1051 | 1 | ||
| Pisidium | 1043 | 2 | 6 | |
| Sphaeriidae | 1042 | 4 | 9 | 2 |
| Potamopyrgus antipodarum | 979 | 14 | 13 | 10 |
| Hydrobiidae | 973 | 5 | 1 | 4 |
| Ancylus fluviatilis | 1029 | 8 | 3 | 6 |
| Ferrissia | 1030 | 1 | ||
| Planorbidae | 1009 | 1 | ||
| Oligochaeta | 933 | 6 | 13 | 202 |
| Nemathelmintha | 3111 | 1 | ||
| Hydrozoa | 3168 | 1 | 1 | 1 |
| Bryozoa | 1087 | 1 | 1 | 1 |