Listes faunistiques invertébrés
Le Gers à Montestruc-sur-Gers 05114910
- Télécharger la fiche IRSTEA xls / 619 ko
- Export SEEE csv / 9 ko
| Date prélèvement | 31/08/2022 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 18.0 |
| GFI | 7 |
| Variété taxonomique | 41 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 7.0 | dominant |
| Pierres, galets | 18.0 | dominant |
| Blocs | 2.0 | marginal |
| Granulats | 56.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 3.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 13.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Blocs | Moyenne | A |
| P3 | Sables | Nulle | A |
| P4 | Sables | Lente | A |
| P5 | Branchage, racines | Lente | B |
| P6 | Pierres, galets | Lente | B |
| P7 | Granulats | Lente | B |
| P8 | Dalles, argiles | Lente | B |
| P9 | Granulats | Moyenne | C |
| P10 | Granulats | Nulle | C |
| P11 | Granulats | Lente | C |
| P12 | Blocs | Moyenne | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 1 | ||
| Hydropsyche | 212 | 128 | 33 | 1 |
| Hydroptila | 200 | 65 | 62 | 25 |
| Ithytrichia | 198 | 4 | ||
| Lepidostoma | 305 | 2 | 8 | |
| Leptoceridae | 310 | 1 | ||
| Mystacides | 312 | 1 | ||
| Triaenodes | 314 | 11 | ||
| Baetis lato sensu | 9794 | 190 | 175 | 27 |
| Centroptilum | 383 | 3 | ||
| Procloeon | 390 | 11 | 2 | 5 |
| Caenis | 457 | 31 | 43 | 20 |
| Ephemera | 502 | 1 | ||
| Heptagenia | 443 | 22 | 1 | |
| Leptophlebiidae | 473 | 1 | 26 | |
| Paraleptophlebia | 481 | 4 | ||
| Ephoron | 496 | 1 | 1 | |
| Aphelocheirus | 721 | 10 | 6 | 5 |
| Micronectinae | 20396 | 1 | 7 | |
| Dryops | 613 | 5 | 1 | |
| Dupophilus | 620 | 2 | ||
| Elmis | 618 | 2 | 17 | 1 |
| Esolus | 619 | 13 | 72 | 139 |
| Limnius | 623 | 1 | 3 | 6 |
| Macronychus | 626 | 2 | 1 | |
| Oulimnius | 622 | 2 | 30 | 5 |
| Potamophilus | 615 | 7 | 3 | |
| Stenelmis | 617 | 12 | 4 | 40 |
| Ochthebius | 609 | 1 | ||
| Hydrophilinae | 2517 | 1 | 1 | |
| Athericidae | 838 | 3 | 5 | 6 |
| Ceratopogonidae | 819 | 2 | 3 | 4 |
| Chironomidae | 807 | 121 | 85 | 146 |
| Limoniidae | 757 | 1 | ||
| Pediciidae | 50011 | 1 | 1 | |
| Scatophagidae | 846 | 2 | ||
| Simuliidae | 801 | 1 | ||
| Tipulidae | 753 | 3 | 2 | |
| Gomphidae | 678 | 2 | ||
| Gomphus | 679 | 2 | 3 | |
| Onychogomphus | 682 | 6 | 12 | 14 |
| Calopteryx | 650 | 7 | ||
| Platycnemis | 657 | 8 | ||
| Copepoda | 3206 | 1 | ||
| Echinogammarus | 888 | 14 | 156 | 16 |
| Asellidae | 880 | 48 | 1 | 1 |
| Corbicula | 1051 | 39 | 14 | 69 |
| Sphaeriidae | 1042 | 1 | 1 | 16 |
| Pisidium | 1043 | 4 | 4 | |
| Radix | 1004 | 1 | ||
| Theodoxus | 967 | 37 | 5 | 3 |
| Physella | 19280 | 1 | ||
| Planorbidae | 1009 | 1 | 1 | 4 |
| Ancylus | 1028 | 2 | 1 | 1 |
| Erpobdellidae | 928 | 2 | ||
| Oligochaeta | 933 | 43 | 64 | 131 |
| Dugesiidae | 1055 | 7 | 17 | 19 |
| Prostoma | 3110 | 2 | 4 | 17 |
| Nematoda | 1089 | 2 | 3 | |
| Hydracarina | 906 | 1 | 3 | 7 |
| Bryozoa | 1087 | 1 | 1 |