Listes faunistiques invertébrés
Le Gers à Montestruc-sur-Gers 05114910
- Télécharger la fiche IRSTEA xls / 646 ko
- Export SEEE csv / 8 ko
| Date prélèvement | 18/10/2021 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 18.0 |
| GFI | 9 |
| Variété taxonomique | 36 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 12.0 | dominant |
| Pierres, galets | 8.0 | dominant |
| Blocs | 1.0 | marginal |
| Granulats | 57.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 4.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 16.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Litieres | Nulle | A |
| P3 | Blocs | Moyenne | A |
| P4 | Sables | Nulle | A |
| P5 | Branchage, racines | Moyenne | B |
| P6 | Pierres, galets | Moyenne | B |
| P7 | Granulats | Moyenne | B |
| P8 | Dalles, argiles | Moyenne | B |
| P9 | Granulats | Lente | C |
| P10 | Granulats | Nulle | C |
| P11 | Granulats | Moyenne | C |
| P12 | Granulats | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Taeniopteryx | 14 | 54 | 14 | 3 |
| Hydropsyche | 212 | 111 | 27 | 8 |
| Hydroptila | 200 | 2 | ||
| Ithytrichia | 198 | 28 | 13 | 1 |
| Orthotrichia | 197 | 1 | ||
| Lepidostoma | 305 | 15 | 15 | 20 |
| Adicella | 320 | 5 | 18 | |
| Ceraclea | 313 | 3 | 2 | |
| Mystacides | 312 | 2 | ||
| Oecetis | 317 | 5 | 21 | 5 |
| Rhyacophila stricto-sensu | 5237 | 2 | ||
| Baetis lato sensu | 9794 | 13 | 12 | 7 |
| Centroptilum | 383 | 2 | ||
| Caenis | 457 | 86 | 63 | 64 |
| Heptageniidae | 399 | 7 | 22 | |
| Heptagenia | 443 | 12 | 37 | 17 |
| Leptophlebiidae | 473 | 20 | 29 | 18 |
| Paraleptophlebia | 481 | 2 | 4 | 1 |
| Aphelocheirus | 721 | 2 | 1 | 3 |
| Micronectinae | 20396 | 15 | 3 | |
| Dryops | 613 | 2 | 19 | 1 |
| Colymbetinae | 2395 | 1 | ||
| Elmis | 618 | 7 | 23 | 1 |
| Esolus | 619 | 15 | 46 | 35 |
| Limnius | 623 | 1 | 2 | 6 |
| Macronychus | 626 | 1 | 2 | 4 |
| Oulimnius | 622 | 58 | 16 | 9 |
| Potamophilus | 615 | 1 | 1 | |
| Stenelmis | 617 | 16 | 7 | 2 |
| Athericidae | 838 | 15 | 6 | 6 |
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 12 | 7 | 1 |
| Empididae | 831 | 1 | ||
| Simuliidae | 801 | 136 | 8 | 4 |
| Tipulidae | 753 | 6 | 5 | |
| Gomphidae | 678 | 1 | 3 | |
| Gomphus | 679 | 6 | 2 | 3 |
| Onychogomphus | 682 | 5 | 4 | 3 |
| Calopteryx | 650 | 9 | 33 | 2 |
| Platycnemis | 657 | 2 | 16 | |
| Copepoda | 3206 | 1 | ||
| Echinogammarus | 888 | 33 | 51 | 15 |
| Asellidae | 880 | 1 | 1 | 6 |
| Corbicula | 1051 | 20 | 41 | 115 |
| Pisidium | 1043 | 10 | 13 | 35 |
| Potamopyrgus | 978 | 1 | 1 | 2 |
| Theodoxus | 967 | 36 | 26 | 10 |
| Physidae | 995 | 1 | 1 | |
| Planorbidae | 1009 | 2 | 36 | 3 |
| Ancylus | 1028 | 8 | 14 | 8 |
| Oligochaeta | 933 | 150 | 72 | 174 |
| Dugesiidae | 1055 | 28 | 5 | 6 |
| Prostoma | 3110 | 5 | 6 | 2 |
| Nematoda | 1089 | 10 | 2 | 5 |
| Hydracarina | 906 | 17 | 5 | 11 |