Listes faunistiques invertébrés
Le Countirou à Mirepoix 05167550
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| Date prélèvement | 30/07/2012 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 19.0 |
| GFI | 7 |
| Variété taxonomique | 49 |
| Taxon indicateur | Leuctridae |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 88.0 | dominant |
| Blocs | 0.0 | marginal |
| Granulats | 3.0 | marginal |
| Helophytes | 1.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 1.0 | marginal |
| Algues | 4.0 | marginal |
| Dalles, argiles | 0.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Lente | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Nulle | A |
| P4 | Granulats | Lente | A |
| P5 | Pierres, galets | Lente | B |
| P6 | Pierres, galets | Nulle | B |
| P7 | Pierres, galets | Moyenne | B |
| P8 | Pierres, galets | Lente | B |
| P9 | Pierres, galets | Nulle | C |
| P10 | Pierres, galets | Moyenne | C |
| P11 | Pierres, galets | Lente | C |
| P12 | Pierres, galets | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Euleuctra geniculata | 68 | 25 | 68 | 28 |
| Leuctra | 69 | 11 | 80 | 38 |
| Glossosomatidae | 189 | 1 | ||
| Goeridae | 286 | 1 | 5 | |
| Goera | 287 | 1 | ||
| Silo | 292 | 3 | ||
| Hydropsychidae | 211 | 1 | 1 | |
| Hydropsyche | 212 | 120 | 27 | 9 |
| Hydroptila | 200 | 4 | 2 | 1 |
| Lepidostoma | 305 | 38 | 9 | 12 |
| Mystacides | 312 | 4 | 8 | 3 |
| Oecetis | 317 | 2 | 1 | 3 |
| Polycentropodidae | 223 | 10 | 12 | 2 |
| Cyrnus | 224 | 1 | 3 | |
| Polycentropus | 231 | 10 | 22 | 8 |
| Tinodes | 245 | 1 | 1 | 4 |
| Rhyacophila lato-sensu | 183 | 7 | 1 | 3 |
| Sericostomatidae | 321 | 1 | 17 | 6 |
| Baetis | 364 | 20 | 264 | 136 |
| Centroptilum | 383 | 1 | ||
| Caenis | 457 | 9 | 1 | 2 |
| Ephemera | 502 | 1 | 4 | |
| Ephemerella ignita | 451 | 32 | 17 | 3 |
| Heptageniidae | 399 | 23 | 10 | |
| Ecdyonurus | 421 | 1 | 6 | 1 |
| Habrophlebia | 491 | 1 | 1 | |
| Micronecta | 719 | 1 | ||
| Gerris | 735 | 1 | ||
| Elmis | 618 | 51 | 154 | 32 |
| Esolus | 619 | 65 | 225 | 61 |
| Limnius | 623 | 2 | 10 | 3 |
| Oulimnius | 622 | 282 | 128 | 32 |
| Orectochilus | 515 | 1 | ||
| Hydraena | 608 | 2 | 1 | |
| Anthomyidae | 847 | 1 | ||
| Athericidae | 838 | 4 | 1 | 3 |
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 284 | 70 | 19 |
| Empididae | 831 | 2 | ||
| Limoniidae | 757 | 2 | ||
| Psychodidae | 783 | 8 | ||
| Simuliidae | 801 | 162 | 46 | 52 |
| Stratiomyidae | 824 | 1 | ||
| Tabanidae | 837 | 2 | ||
| Tipulidae | 753 | 1 | 1 | |
| Calopteryx | 650 | 11 | 2 | |
| Coenagrionidae | 658 | 1 | ||
| Gomphidae | 678 | 1 | ||
| Onychogomphus | 682 | 3 | ||
| Agriotypus | 1083 | 1 | ||
| Copepoda | 3206 | 3 | 4 | |
| Ostracoda | 3170 | 12 | 2 | 1 |
| Gammaridae | 887 | 3 | ||
| Gammarus | 892 | 540 | 98 | 9 |
| Asellidae | 880 | 65 | 7 | 4 |
| Pacifastacus | 872 | 2 | ||
| Hydracarina | 906 | 15 | 5 | 4 |
| Sphaeriidae | 1042 | 1 | ||
| Pisidium | 1043 | 49 | 1 | |
| Ancylus | 1028 | 17 | 12 | 8 |
| Potamopyrgus | 978 | 1239 | 4023 | 444 |
| Physa (sensu lato) | 997 | 98 | 1 | |
| Erpobdellidae | 928 | 11 | 7 | 5 |
| Glossiphoniidae | 908 | 7 | 15 | 2 |
| Oligochaeta | 933 | 13 | 8 | 9 |
| Dugesiidae | 1055 | 1 | ||
| Planariidae | 1061 | 10 | 1 | |
| Nematoda | 1089 | 1 | 2 |