Listes faunistiques invertébrés
Le Gers en aval d'Aries Espenan 05115600
- Télécharger la fiche IRSTEA xls / 619 ko
- Export SEEE csv / 11 ko
| Date prélèvement | 26/09/2022 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 20.0 |
| GFI | 9 |
| Variété taxonomique | 42 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 0.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 2.0 | marginal |
| Branchage, racines | 3.0 | marginal |
| Pierres, galets | 70.0 | dominant |
| Blocs | 3.0 | marginal |
| Granulats | 6.0 | dominant |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 4.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 12.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Lente | A |
| P3 | Blocs | Moyenne | A |
| P4 | Sables | Nulle | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Granulats | Lente | B |
| P7 | Dalles, argiles | Lente | B |
| P8 | Pierres, galets | Lente | B |
| P9 | Branchage, racines | Rapide | C |
| P10 | Pierres, galets | Nulle | C |
| P11 | Pierres, galets | Moyenne | C |
| P12 | Pierres, galets | Lente | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 7 | 47 | 36 |
| Euleuctra geniculata | 68 | 2 | 3 | |
| Protonemura | 46 | 1 | 3 | |
| Perla | 164 | 1 | 2 | |
| Perlodes | 150 | 1 | 3 | |
| Taeniopterygidae | 2 | 3 | 1 | |
| Glossosomatidae | 189 | 1 | ||
| Glossosomatinae | 20359 | 1 | ||
| Silo | 292 | 1 | ||
| Hydropsyche | 212 | 7 | 37 | 78 |
| Hydroptila | 200 | 1 | ||
| Ithytrichia | 198 | 71 | 1 | |
| Lepidostomatidae | 304 | 2 | 10 | |
| Lepidostoma | 305 | 2 | 5 | 23 |
| Adicella | 320 | 3 | ||
| Athripsodes | 311 | 7 | 1 | |
| Mystacides | 312 | 3 | 2 | |
| Oecetis | 317 | 2 | 6 | 6 |
| Limnephilinae | 3163 | 2 | ||
| Odontocerum | 339 | 1 | 1 | |
| Polycentropodidae | 223 | 6 | 1 | |
| Polycentropus | 231 | 16 | 6 | |
| Rhyacophila stricto-sensu | 5237 | 1 | 2 | |
| Sericostomatidae | 321 | 7 | 18 | |
| Sericostoma | 322 | 18 | 34 | 11 |
| Baetis lato sensu | 9794 | 10 | 108 | 101 |
| Serratella | 5152 | 1 | 5 | 10 |
| Torleya | 2391 | 1 | ||
| Ephemera | 502 | 2 | 3 | |
| Heptageniidae | 399 | 1 | 2 | 1 |
| Ecdyonurus | 421 | 1 | 1 | |
| Epeorus | 400 | 6 | 4 | |
| Rhithrogena | 404 | 3 | ||
| Habroleptoides | 485 | 5 | ||
| Paraleptophlebia | 481 | 4 | 1 | |
| Gerridae | 734 | 4 | ||
| Dryopidae | 610 | 1 | ||
| Pomatinus substriatus | 33844 | 9 | ||
| Dupophilus | 620 | 12 | 45 | |
| Elmis | 618 | 26 | 41 | 103 |
| Esolus | 619 | 15 | 115 | 104 |
| Limnius | 623 | 5 | 5 | 16 |
| Oulimnius | 622 | 30 | 1 | |
| Orectochilus | 515 | 4 | 2 | 2 |
| Hydraena | 608 | 6 | 4 | |
| Athericidae | 838 | 3 | 8 | 6 |
| Atrichops | 840 | 10 | ||
| Blephariceridae | 747 | 1 | ||
| Ceratopogonidae | 819 | 6 | 1 | |
| Chironomidae | 807 | 74 | 24 | 41 |
| Empididae | 831 | 1 | ||
| Limoniidae | 757 | 2 | ||
| Pediciidae | 50011 | 1 | 9 | 12 |
| Simuliidae | 801 | 14 | 19 | |
| Boyeria | 670 | 2 | ||
| Gomphidae | 678 | 10 | 6 | |
| Onychogomphus | 682 | 1 | ||
| Calopteryx | 650 | 28 | 1 | |
| Copepoda | 3206 | 1 | ||
| Pisidium | 1043 | 2 | ||
| Potamopyrgus | 978 | 3 | 1 | 1 |
| Physidae | 995 | 2 | ||
| Physella | 19280 | 1 | ||
| Planorbidae | 1009 | 1 | ||
| Ancylus | 1028 | 20 | ||
| Oligochaeta | 933 | 73 | 4 | 8 |
| Dugesiidae | 1055 | 11 | 1 | |
| Prostoma | 3110 | 1 | ||
| Hydracarina | 906 | 3 | 14 | 6 |
| Hydrozoa | 3168 | 1 |