Listes faunistiques invertébrés
L'Arn au Pont de l'Arn 05137000
- Télécharger la fiche IRSTEA xls / 619 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 06/10/2023 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 14.0 |
| GFI | 7 |
| Variété taxonomique | 27 |
| I2M2 | 0.8023 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 1.0 | marginal |
| Hydrophytes | 0.0 | marginal |
| Litieres | 0.0 | marginal |
| Branchage, racines | 2.0 | marginal |
| Pierres, galets | 17.0 | dominant |
| Blocs | 45.0 | dominant |
| Granulats | 3.0 | marginal |
| Helophytes | 0.0 | marginal |
| Vases | 0.0 | marginal |
| Sables | 1.0 | marginal |
| Algues | 2.0 | marginal |
| Dalles, argiles | 29.0 | dominant |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Bryophytes | Moyenne | A |
| P2 | Branchage, racines | Lente | A |
| P3 | Granulats | Lente | A |
| P4 | Sables | Nulle | A |
| P5 | Pierres, galets | Moyenne | B |
| P6 | Blocs | Moyenne | B |
| P7 | Dalles, argiles | Moyenne | B |
| P8 | Blocs | Lente | B |
| P9 | Blocs | Rapide | C |
| P10 | Dalles, argiles | Lente | C |
| P11 | Blocs | Nulle | C |
| P12 | Dalles, argiles | Rapide | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Hydracarina | 906 | 1 | 1 | 1 |
| Elmis | 618 | 1 | 1 | 1 |
| Esolus | 619 | 2 | 4 | |
| Limnius | 623 | 1 | 1 | |
| Calopteryx | 650 | 3 | 2 | |
| Tipulidae | 753 | 4 | ||
| Limoniidae | 757 | 1 | ||
| Simuliidae | 801 | 2 | ||
| Chironomidae | 807 | 19 | 83 | 79 |
| Empididae | 831 | 3 | 2 | |
| Athericidae | 838 | 1 | 6 | 6 |
| Paraleptophlebia | 481 | 22 | 6 | |
| Oligochaeta | 933 | 21 | 14 | 15 |
| Bythinella | 992 | 1 | 8 | |
| Ancylus | 1028 | 4 | 7 | |
| Nematoda | 1089 | 1 | ||
| Prostoma | 3110 | 1 | ||
| Hydrozoa | 3168 | 1 | 1 | |
| Serratella | 5152 | 1 | ||
| Rhyacophila stricto-sensu | 5237 | 5 | 9 | |
| Baetis lato sensu | 9794 | 5 | 10 | 17 |
| Polycentropus | 231 | 25 | 6 | |
| Protonemura | 46 | 2 | 4 | 58 |
| Leuctra | 69 | 16 | 34 | 56 |
| Perla | 164 | 1 | ||
| Ithytrichia | 198 | 2 | ||
| Oxyethira | 199 | 2 | 1 | |
| Hydroptila | 200 | 2 | 2 | |
| Philopotamus | 209 | 8 | ||
| Wormaldia | 210 | 2 | ||
| Hydropsyche | 212 | 19 | 55 | |
| Cheumatopsyche | 221 | 1 | 1 | |
| Nemoura | 26 | 6 | ||
| Brachycentrus | 265 | 1 | ||
| Mystacides | 312 | 2 | 2 | |
| Baetidae | 363 | 3 | ||
| Heptageniidae | 399 | 2 | ||
| Epeorus | 400 | 12 | ||
| Ecdyonurus | 421 | 2 | 25 | 11 |
| Heptagenia | 443 | 16 | 8 | |
| Caenis | 457 | 2 | 1 | |
| Leptophlebiidae | 473 | 2 |