Listes faunistiques invertébrés
La Borrèze à Souillac 05060950
- Télécharger la fiche IRSTEA xls / 110 ko
- Export SEEE csv / 6 ko
| Date prélèvement | 26/09/2016 |
|---|---|
| Méthode | Petit cours d'eau |
| IBG | 16.0 |
| GFI | 8 |
| Variété taxonomique | 31 |
| Taxon indicateur | Brachycentridae |
| I2M2 | 0.6418 |
| Substrat | Recouvrement (%) | Définition |
|---|---|---|
| Bryophytes | 23.0 | dominant |
| Hydrophytes | ||
| Litieres | 3.0 | marginal |
| Branchage, racines | 4.0 | marginal |
| Pierres, galets | 60.0 | dominant |
| Blocs | 2.0 | marginal |
| Granulats | 3.0 | marginal |
| Helophytes | ||
| Vases | ||
| Sables | 2.0 | marginal |
| Algues | ||
| Dalles, argiles | 3.0 | marginal |
| Microprélèvement | Substrat | Vitesse | Phase |
|---|---|---|---|
| P1 | Litieres | Nulle | A |
| P2 | Branchage, racines | Moyenne | A |
| P3 | Blocs | Lente | A |
| P4 | Granulats | Nulle | A |
| P5 | Bryophytes | Moyenne | B |
| P6 | Pierres, galets | Moyenne | B |
| P7 | Pierres, galets | Lente | B |
| P8 | Pierres, galets | Nulle | B |
| P9 | Pierres, galets | Moyenne | C |
| P10 | Pierres, galets | Lente | C |
| P11 | Bryophytes | Lente | C |
| P12 | Pierres, galets | Nulle | C |
| Taxon | Code SANDRE | A | B | C |
|---|---|---|---|---|
| Leuctra | 69 | 1 | ||
| Brachycentridae | 262 | 7 | 5 | 2 |
| Hydroptila | 200 | 9 | 7 | 22 |
| Mystacides | 312 | 1 | 2 | 4 |
| Leptoceridae | 310 | 3 | 1 | |
| Rhyacophila lato-sensu | 183 | 1 | ||
| Baetis | 364 | 5 | 18 | 6 |
| Dryops | 613 | 1 | ||
| Elmis | 618 | 5 | 1 | |
| Esolus | 619 | 55 | 14 | 19 |
| Limnius | 623 | 4 | 2 | 3 |
| Oulimnius | 622 | 1 | 1 | |
| Riolus | 625 | 6 | 2 | 4 |
| Sphaeridiinae | 5194 | 1 | ||
| Anthomyidae | 847 | 4 | 1 | 3 |
| Athericidae | 838 | 42 | 19 | 17 |
| Ceratopogonidae | 819 | 1 | ||
| Chironomidae | 807 | 233 | 309 | 174 |
| Empididae | 831 | 2 | ||
| Limoniidae | 757 | 15 | 6 | 6 |
| Simuliidae | 801 | 7 | 8 | 6 |
| Tabanidae | 837 | 2 | ||
| Tipulidae | 753 | 7 | 1 | 3 |
| Boyeria | 670 | 2 | ||
| Cordulegaster | 687 | 1 | 1 | |
| Onychogomphus | 682 | 4 | 3 | 1 |
| Gomphidae | 678 | 1 | ||
| Asellidae | 880 | 1 | ||
| Gammarus | 892 | 191 | 80 | 353 |
| Hydracarina | 906 | 3 | 3 | |
| Pisidium | 1043 | 1 | ||
| Sphaeriidae | 1042 | 1 | ||
| Ancylus | 1028 | 5 | 2 | 1 |
| Bithynia | 994 | 1 | ||
| Potamopyrgus | 978 | 12 | 20 | 9 |
| Radix | 1004 | 1 | 1 | 2 |
| Lymnaeidae | 998 | 1 | ||
| Physa (sensu lato) | 997 | 1 | 3 | 1 |
| Oligochaeta | 933 | 92 | 6 | 3 |
| Planariidae | 1061 | 1 | 1 |