Listes faunistiques invertébrés
Le Ger à Boutx 05181600
- Télécharger la fiche IRSTEA xls / 646 ko
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| Date prélèvement | 18/08/2020 |
|---|---|
| Méthode | Petit cours d'eau | IBG | 19.0 |
| GFI | 9 |
| Variété taxonomique | 39 |
| IBG |
|---|
| Etat : |
| Très bon |
| Bon |
| Moyen |
| Médiocre |
| Mauvais |
| Pas de référence |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | ||
| Litieres | 1.0 | marginal |
| Branchage, racines | 1.0 | marginal |
| Pierres, galets | 41.0 | dominant |
| Blocs | 16.0 | dominant |
| Granulats | 2.0 | marginal |
| Helophytes | ||
| Vases | ||
| Sables | 1.0 | marginal |
| Algues | 4.0 | marginal |
| Dalles, argiles | 33.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Rapide | A |
| P2 | Litieres | Nulle | A |
| P3 | Branchage, racines | Lente | A |
| P4 | Granulats | Lente | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Moyenne | B |
| P7 | Dalles, argiles | Moyenne | B |
| P8 | Pierres, galets | Lente | B |
| P9 | Dalles, argiles | Rapide | C |
| P10 | Pierres, galets | Rapide | C |
| P11 | Dalles, argiles | Lente | C |
| P12 | Pierres, galets | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 27 | 29 | 50 |
| Amphinemura | 21 | 9 | 1 | 1 |
| Nemoura | 26 | 21 | 1 | 2 |
| Protonemura | 46 | 24 | 7 | 3 |
| Perla | 164 | 1 | 8 | 3 |
| Perlidae | 155 | 2 | ||
| Perlodes | 150 | 2 | ||
| Micrasema | 268 | 30 | 21 | 38 |
| Agapetus | 191 | 4 | 1 | |
| Glossosoma | 190 | 1 | ||
| Silo | 292 | 7 | ||
| Silo-lithax | 5219 | 27 | 2 | |
| Goeridae | 286 | 1 | ||
| Hydropsyche | 212 | 24 | 22 | 11 |
| Hydropsychidae | 211 | 1 | 2 | 2 |
| Drusinae | 3120 | 28 | 13 | 6 |
| Limnephilinae | 3163 | 17 | 5 | |
| Limnephilidae | 276 | 73 | 8 | 5 |
| Odontocerum albicorne | 340 | 2 | 1 | 2 |
| Rhyacophila lato-sensu | 183 | 11 | 9 | 13 |
| Sericostoma | 322 | 37 | 1 | 2 |
| Sericostomatidae | 321 | 22 | 4 | 3 |
| Thremma | 301 | 2 | ||
| Baetis lato sensu | 9794 | 267 | 600 | 984 |
| Caenis | 457 | 3 | 1 | 2 |
| Ephemerella ignita | 451 | 22 | 8 | 4 |
| Ecdyonurus | 421 | 8 | 22 | 4 |
| Epeorus | 400 | 18 | 9 | |
| Rhithrogena | 404 | 30 | 161 | 38 |
| Habroleptoides | 485 | 3 | 6 | 4 |
| Leptophlebiidae | 473 | 1 | ||
| Colymbetinae | 2395 | 12 | ||
| Hydroporinae | 2393 | 18 | 1 | 4 |
| Elmis | 618 | 675 | 190 | 188 |
| Esolus | 619 | 6 | 54 | 16 |
| Limnius | 623 | 69 | 44 | 10 |
| Riolus | 625 | 1 | ||
| Hydraena | 608 | 5 | 5 | 4 |
| Athericidae | 838 | 26 | 20 | 15 |
| Blephariceridae | 747 | 3 | 4 | 25 |
| Ceratopogonidae | 819 | 1 | 3 | |
| Chironomidae | 807 | 1450 | 600 | 460 |
| Dixidae | 793 | 8 | ||
| Empididae | 831 | 15 | 11 | 3 |
| Limoniidae | 757 | 65 | 60 | 21 |
| Psychodidae | 783 | 3 | 1 | |
| Rhagionidae | 841 | 1 | 1 | |
| Simuliidae | 801 | 422 | 315 | 1500 |
| Tipulidae | 753 | 1 | ||
| Gammarus | 892 | 1 | 2 | |
| Ancylus fluviatilis | 1029 | 7 | 1 | 7 |
| Dendrocoelidae | 1071 | 1 | ||
| Planariidae | 1061 | 6 | 11 | 8 |
| Oligochaeta | 933 | 4 | ||
| Nematoda | 1089 | 1 | ||
| Hydracarina | 906 | 1 | 1 | 1 |