Listes faunistiques invertébrés
Le Gers en aval d'Aries Espenan 05115600
- Télécharger la fiche IRSTEA xls / 647 ko
- Export SEEE csv / 9 ko
| Date prélèvement | 30/09/2021 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 20.0 |
| GFI | 9 |
| Variété taxonomique | 43 |
| 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 | 4.0 | marginal |
| Pierres, galets | 71.0 | dominant |
| Blocs | 10.0 | dominant |
| Granulats | 3.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 3.0 | marginal |
| Algues | 0.0 | marginal |
| Dalles, argiles | 8.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Lente | A |
| P2 | Branchage, racines | Moyenne | A |
| P3 | Granulats | Lente | A |
| P4 | Sables | Lente | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Moyenne | B |
| P7 | Dalles, argiles | Moyenne | 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 | 2 | 44 | 18 |
| Protonemura | 46 | 2 | 3 | |
| Dinocras | 156 | 1 | ||
| Perla | 164 | 1 | 1 | |
| Perlodes | 150 | 1 | ||
| Taeniopterygidae | 2 | 3 | 2 | 7 |
| Taeniopteryx | 14 | 4 | 9 | |
| Glossosomatinae | 20359 | 1 | ||
| Silo | 292 | 6 | ||
| Hydropsyche | 212 | 17 | 144 | 62 |
| Ithytrichia | 198 | 17 | ||
| Lepidostomatidae | 304 | 13 | 17 | |
| Lepidostoma | 305 | 17 | 5 | 4 |
| Adicella | 320 | 5 | ||
| Athripsodes | 311 | 2 | ||
| Mystacides | 312 | 4 | ||
| Oecetis | 317 | 16 | 4 | 2 |
| Odontocerum | 339 | 1 | 1 | 1 |
| Polycentropus | 231 | 19 | 4 | |
| Rhyacophila stricto-sensu | 5237 | 10 | 3 | |
| Sericostoma | 322 | 82 | 31 | 10 |
| Baetis lato sensu | 9794 | 17 | 132 | 42 |
| Serratella | 5152 | 3 | 9 | 3 |
| Ephemera | 502 | 12 | 1 | |
| Heptageniidae | 399 | 2 | ||
| Ecdyonurus | 421 | 1 | 1 | |
| Epeorus | 400 | 4 | 2 | |
| Rhithrogena | 404 | 3 | 1 | |
| Paraleptophlebia | 481 | 5 | ||
| Pomatinus substriatus | 33844 | 2 | ||
| Colymbetinae | 2395 | 1 | ||
| Dupophilus | 620 | 7 | 4 | 4 |
| Elmis | 618 | 31 | 178 | 52 |
| Esolus | 619 | 37 | 29 | 53 |
| Limnius | 623 | 11 | 7 | 9 |
| Macronychus | 626 | 3 | ||
| Oulimnius | 622 | 35 | ||
| Orectochilus | 515 | 2 | 7 | 3 |
| Hydraena | 608 | 3 | 4 | |
| Athericidae | 838 | 15 | 10 | 2 |
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 106 | 38 | 25 |
| Empididae | 831 | 1 | ||
| Limoniidae | 757 | 2 | ||
| Pediciidae | 50011 | 8 | 1 | 3 |
| Simuliidae | 801 | 6 | 94 | 45 |
| Boyeria | 670 | 1 | 1 | |
| Onychogomphus | 682 | 1 | 2 | |
| Calopteryx | 650 | 19 | 2 | |
| Gammaridae | 887 | 15 | 1 | |
| Gammarus | 892 | 2 | ||
| Pisidium | 1043 | 14 | ||
| Potamopyrgus | 978 | 18 | 1 | 1 |
| Planorbidae | 1009 | 1 | ||
| Ancylus | 1028 | 3 | 58 | 11 |
| Erpobdellidae | 928 | 1 | ||
| Oligochaeta | 933 | 31 | 2 | 2 |
| Dugesiidae | 1055 | 3 | 1 | |
| Planariidae | 1061 | 1 | ||
| Gordiaca | 5189 | 1 | ||
| Hydracarina | 906 | 4 | 8 | 1 |