Listes faunistiques invertébrés
Le Gers en aval d'Aries Espenan 05115600
- Télécharger la fiche IRSTEA xls / 29 ko
- Export SEEE csv / 9 ko
| Date prélèvement | 06/09/2012 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 17.0 |
| GFI | 7 |
| Variété taxonomique | 40 |
| Taxon indicateur | Leuctridae |
| 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 | 3.0 | marginal |
| Pierres, galets | 80.0 | dominant |
| Blocs | 3.0 | marginal |
| Granulats | 2.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 9.0 | dominant |
| Algues | 0.0 | marginal |
| Dalles, argiles | 2.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Rapide | A |
| P3 | Blocs | Rapide | A |
| P4 | Granulats | Lente | A |
| P5 | Pierres, galets | Rapide | B |
| P6 | Sables | Lente | B |
| P7 | Pierres, galets | Moyenne | B |
| P8 | Pierres, galets | Lente | B |
| P9 | Pierres, galets | Nulle | C |
| P10 | Pierres, galets | Rapide | C |
| P11 | Pierres, galets | Moyenne | C |
| P12 | Pierres, galets | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Euleuctra geniculata | 68 | 7 | ||
| Leuctra | 69 | 28 | 24 | 155 |
| Perlidae | 155 | 1 | ||
| Odontocerum | 339 | 1 | ||
| Glossosoma | 190 | 1 | 3 | 4 |
| Goeridae | 286 | 1 | ||
| Silo | 292 | 29 | 27 | |
| Hydropsyche | 212 | 62 | 8 | 11 |
| Hydroptila | 200 | 1 | ||
| Ithytrichia | 198 | 4 | 1 | |
| Lepidostomatidae | 304 | 10 | 3 | 6 |
| Lepidostoma | 305 | 1 | ||
| Adicella | 320 | 7 | ||
| Mystacides | 312 | 5 | 3 | |
| Drusinae | 3120 | 1 | ||
| Polycentropus | 231 | 3 | ||
| Rhyacophila lato-sensu | 183 | 1 | 5 | 4 |
| Sericostomatidae | 321 | 35 | 6 | |
| Sericostoma | 322 | 12 | 26 | 9 |
| Baetis | 364 | 33 | 37 | 102 |
| Caenis | 457 | 3 | ||
| Ephemerella ignita | 451 | 23 | 4 | 10 |
| Heptageniidae | 399 | 1 | ||
| Heptagenia | 443 | 1 | ||
| Ecdyonurus | 421 | 1 | 6 | |
| Epeorus | 400 | 1 | 1 | |
| Rhithrogena | 404 | 3 | ||
| Habroleptoides | 485 | 1 | ||
| Oligoneuriella | 394 | 5 | 6 | 28 |
| Colymbetinae | 2395 | 1 | ||
| Dupophilus | 620 | 17 | 20 | 22 |
| Elmis | 618 | 42 | 30 | 28 |
| Esolus | 619 | 22 | 100 | 43 |
| Limnius | 623 | 17 | 50 | 31 |
| Stenelmis | 617 | 1 | ||
| Orectochilus | 515 | 7 | 5 | |
| Hydraena | 608 | 2 | 1 | |
| Athericidae | 838 | 3 | 10 | 3 |
| Blephariceridae | 747 | 5 | 5 | |
| Ceratopogonidae | 819 | 2 | ||
| Chironomidae | 807 | 296 | 88 | 20 |
| Empididae | 831 | 8 | 13 | 6 |
| Limoniidae | 757 | 6 | 5 | |
| Psychodidae | 783 | 1 | ||
| Simuliidae | 801 | 17 | 5 | 7 |
| Tabanidae | 837 | 1 | 1 | |
| Calopteryx | 650 | 1 | 1 | |
| Gomphidae | 678 | 1 | ||
| Onychogomphus | 682 | 1 | 1 | |
| Ostracoda | 3170 | 1 | ||
| Gammarus | 892 | 16 | 1 | 4 |
| Hydracarina | 906 | 1 | ||
| Pisidium | 1043 | 11 | 19 | 1 |
| Ancylus | 1028 | 8 | 2 | |
| Potamopyrgus | 978 | 2 | 2 | 3 |
| Erpobdellidae | 928 | 1 | ||
| Hirudidae | 923 | 1 | ||
| Oligochaeta | 933 | 256 | 108 | 48 |
| Dugesiidae | 1055 | 5 | ||
| Nematoda | 1089 | 1 | 1 | |
| Prostoma | 3110 | 1 |