Listes faunistiques invertébrés
Le Gers en aval d'Aries Espenan 05115600
- Télécharger la fiche IRSTEA xls / 619 ko
- Export SEEE csv / 12 ko
| Date prélèvement | 15/09/2023 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 19.0 |
| GFI | 7 |
| Variété taxonomique | 48 |
| I2M2 | 0.9407 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 93.0 | dominant |
| Blocs | ||
| Granulats | 3.0 | marginal |
| Helophytes | ||
| Vases | ||
| Sables | 1.0 | marginal |
| Algues | ||
| Dalles, argiles | 1.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Moyenne | A |
| P3 | Granulats | Lente | A |
| P4 | Sables | Nulle | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Pierres, galets | Lente | B |
| P7 | Pierres, galets | Moyenne | B |
| P8 | Pierres, galets | Lente | B |
| P9 | Pierres, galets | Moyenne | C |
| P10 | Pierres, galets | Lente | C |
| P11 | Pierres, galets | Moyenne | C |
| P12 | Pierres, galets | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Simuliidae | 801 | 12 | 34 | 44 |
| Erpobdellidae | 928 | 2 | ||
| Glossiphoniidae | 908 | 1 | ||
| Hydracarina | 906 | 1 | 1 | 1 |
| Gammarus | 892 | 1 | ||
| Gammaridae | 887 | 2 | ||
| Rhagionidae | 841 | 1 | ||
| Athericidae | 838 | 21 | 7 | 8 |
| Tabanidae | 837 | 1 | ||
| Empididae | 831 | 1 | 1 | 9 |
| Chironomidae | 807 | 458 | 115 | 420 |
| Oligochaeta | 933 | 19 | 22 | 2 |
| Limoniidae | 757 | 3 | 2 | |
| Tipulidae | 753 | 2 | ||
| Blephariceridae | 747 | 3 | 5 | |
| Onychogomphus | 682 | 4 | 3 | |
| Gomphus | 679 | 3 | ||
| Gomphidae | 678 | 4 | 6 | |
| Calopteryx | 650 | 3 | 1 | |
| Macronychus | 626 | 1 | ||
| Limnius | 623 | 33 | 12 | 7 |
| Colymbetinae | 2395 | 2 | ||
| Pediciidae | 50011 | 12 | 2 | 4 |
| Lepidostoma basale | 49953 | 1 | 3 | 13 |
| Brachycentrus maculatus | 49101 | 1 | ||
| Leuctra geniculata | 33830 | 1 | 1 | 4 |
| Agapetinae | 9812 | 1 | ||
| Baetis lato sensu | 9794 | 42 | 51 | 148 |
| Anisoptera | 9787 | 1 | ||
| Copepoda | 3206 | 1 | ||
| Prostoma | 3110 | 1 | 1 | 1 |
| Oulimnius | 622 | 11 | 8 | |
| Bryozoa | 1087 | 1 | ||
| Dugesiidae | 1055 | 1 | 1 | 2 |
| Pisidium | 1043 | 3 | ||
| Sphaeriidae | 1042 | 2 | ||
| Ancylus fluviatilis | 1029 | 6 | 1 | |
| Planorbidae | 1009 | 4 | ||
| Lymnaeidae | 998 | 1 | 8 | |
| Potamopyrgus antipodarum | 979 | 43 | 7 | |
| Hydrobiidae | 973 | 9 | ||
| Polycentropodidae | 223 | 1 | ||
| Oecetis | 317 | 12 | ||
| Triaenodes | 314 | 1 | ||
| Mystacides | 312 | 24 | 1 | |
| Athripsodes | 311 | 3 | ||
| Lepidostoma hirtum | 306 | 25 | 6 | 9 |
| Lepidostomatidae | 304 | 3 | 1 | 4 |
| Silo | 292 | 2 | 1 | |
| Psychomyia pusilla | 240 | 2 | ||
| Polycentropus | 231 | 1 | ||
| Adicella | 320 | 13 | ||
| Cheumatopsyche lepida | 222 | 1 | ||
| Hydropsyche | 212 | 126 | 31 | 420 |
| Hydroptila | 200 | 2 | ||
| Ithytrichia | 198 | 6 | 1 | |
| Hydroptilidae | 193 | 1 | ||
| Glossosoma | 190 | 1 | 5 | 4 |
| Rhyacophila lato-sensu | 183 | 3 | 1 | 6 |
| Perlodes | 150 | 2 | 1 | |
| Leuctra | 69 | 21 | 54 | 35 |
| Heptagenia | 443 | 2 | ||
| Dupophilus | 620 | 3 | 32 | 19 |
| Esolus | 619 | 15 | 48 | 23 |
| Elmis | 618 | 60 | 105 | |
| Hydraena | 608 | 6 | 3 | 7 |
| Orectochilus | 515 | 7 | 1 | 13 |
| Ephemera | 502 | 8 | 4 | |
| Caenis | 457 | 3 | 2 | 3 |
| Torleya major | 452 | 1 | ||
| Ephemerella ignita | 451 | 61 | 6 | 12 |
| Protonemura | 46 | 5 | 1 | |
| Ecdyonurus | 421 | 2 | 5 | |
| Rhithrogena | 404 | 1 | ||
| Epeorus | 400 | 6 | 5 | |
| Heptageniidae | 399 | 1 | 2 | |
| Oligoneuriella | 394 | 2 | ||
| Baetidae | 363 | 9 | ||
| Odontocerum albicorne | 340 | 2 | ||
| Sericostoma | 322 | 56 | 3 | |
| Sericostomatidae | 321 | 8 | 23 | 3 |