Listes faunistiques invertébrés
Le Gers en aval d'Aries Espenan 05115600
- Télécharger la fiche IRSTEA xls / 647 ko
- Export SEEE csv / 11 ko
| Date prélèvement | 06/08/2018 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 20.0 |
| GFI | 8 |
| Variété taxonomique | 54 |
| Taxon indicateur | Brachycentridae |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | ||
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 6.0 | dominant |
| Pierres, galets | 75.0 | dominant |
| Blocs | 2.0 | marginal |
| Granulats | 4.0 | marginal |
| Helophytes | ||
| Vases | ||
| Sables | 8.0 | dominant |
| Algues | ||
| Dalles, argiles | 4.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Blocs | Moyenne | A |
| P3 | Granulats | Lente | A |
| P4 | Dalles, argiles | Moyenne | A |
| P5 | Branchage, racines | Moyenne | B |
| P6 | Pierres, galets | Moyenne | B |
| P7 | Sables | Lente | B |
| P8 | Pierres, galets | Rapide | B |
| P9 | Pierres, galets | Lente | C |
| P10 | Pierres, galets | Nulle | C |
| P11 | Pierres, galets | Moyenne | C |
| P12 | Pierres, galets | Rapide | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 76 | 198 | 136 |
| Euleuctra geniculata | 68 | 5 | 3 | 2 |
| Protonemura | 46 | 1 | ||
| Perla | 164 | 1 | 3 | |
| Perlodes | 150 | 1 | ||
| Beraeodes | 329 | 14 | ||
| Oligoplectrum | 263 | 1 | 2 | |
| Glossosoma | 190 | 1 | ||
| Goeridae | 286 | 7 | ||
| Hydropsyche | 212 | 36 | 246 | 18 |
| Hydroptila | 200 | 1 | ||
| Ithytrichia | 198 | 1 | 26 | |
| Lepidostomatidae | 304 | 16 | 164 | 13 |
| Lepidostoma | 305 | 4 | ||
| Adicella | 320 | 6 | ||
| Athripsodes | 311 | 3 | ||
| Ceraclea | 313 | 1 | ||
| Mystacides | 312 | 6 | 1 | |
| Oecetis | 317 | 2 | ||
| Limnephilinae | 3163 | 9 | 1 | |
| Odontocerum | 339 | 1 | 2 | 1 |
| Polycentropus | 231 | 1 | ||
| Psychomyia | 239 | 1 | ||
| Rhyacophila lato-sensu | 183 | 3 | 6 | 5 |
| Sericostomatidae | 321 | 6 | 1 | |
| Sericostoma | 322 | 3 | 9 | 4 |
| Baetis lato sensu | 9794 | 25 | 83 | 111 |
| Caenis | 457 | 3 | 18 | 2 |
| Ephemerella ignita | 451 | 15 | 84 | 12 |
| Ephemera | 502 | 6 | ||
| Heptageniidae | 399 | 6 | ||
| Ecdyonurus | 421 | 2 | 14 | 15 |
| Epeorus | 400 | 2 | 1 | |
| Heptagenia | 443 | 3 | 2 | 1 |
| Rhithrogena | 404 | 1 | 3 | |
| Leptophlebiidae | 473 | 1 | ||
| Paraleptophlebia | 481 | 1 | ||
| Oligoneuriella | 394 | 16 | 55 | 21 |
| Gerris | 735 | 1 | ||
| Pomatinus | 611 | 2 | ||
| Dupophilus | 620 | 8 | 10 | 18 |
| Elmis | 618 | 13 | 204 | 17 |
| Esolus | 619 | 16 | 24 | 48 |
| Limnius | 623 | 4 | 3 | 2 |
| Oulimnius | 622 | 40 | ||
| Stenelmis | 617 | 7 | ||
| Orectochilus | 515 | 5 | 4 | 5 |
| Helodes | 636 | 1 | 1 | 1 |
| Hydraena | 608 | 3 | 33 | 9 |
| Hydrophilinae | 2517 | 1 | ||
| Athericidae | 838 | 1 | 7 | |
| Blephariceridae | 747 | 6 | 3 | 8 |
| Chironomidae | 807 | 566 | 578 | 28 |
| Empididae | 831 | 3 | 4 | 3 |
| Limoniidae | 757 | 11 | 3 | 5 |
| Psychodidae | 783 | 1 | 4 | |
| Scatophagidae | 846 | 1 | ||
| Simuliidae | 801 | 122 | 104 | 26 |
| Tipulidae | 753 | 3 | 1 | |
| Boyeria | 670 | 2 | ||
| Gomphus | 679 | 1 | ||
| Onychogomphus | 682 | 1 | ||
| Calopteryx | 650 | 1 | 9 | 4 |
| Osmylus | 854 | 1 | ||
| Gammarus | 892 | 18 | 55 | 5 |
| Pisidium | 1043 | 9 | 6 | 1 |
| Potamopyrgus | 978 | 7 | 7 | 2 |
| Planorbidae | 1009 | 1 | 1 | |
| Ancylus | 1028 | 3 | ||
| Valvata | 972 | 1 | ||
| Erpobdellidae | 928 | 1 | ||
| Oligochaeta | 933 | 12 | 4 | 7 |
| Dugesiidae | 1055 | 1 | ||
| Nematoda | 1089 | 3 | ||
| Hydracarina | 906 | 3 | 7 | 2 |
| Bryozoa | 1087 | 1 | 1 |