Ruisseau· 2 segments
Bief
Crosses 2 administrative regions : Loire, Puy-de-Dôme
Total length
20km
Max discharge
3,4m³/s
Max Strahler
3
Segments matched
2
River geography2 admin regions · 16 communes
2 administrative regions crossed (GADM L2)
- Puy-de-DômeAuvergne-Rhône-Alpes · France12.5 kmin this dpt
- LoireAuvergne-Rhône-Alpes · France9.1 kmin this dpt
16 communes (L5)For countries with L5
- Gerzat4.93 km
- Sainte-Agathe-la-Bouteresse4.18 km
- Cébazat3.45 km
- Boën2.71 km
- Blanzat1.99 km
- Saint-Sixte1.19 km
- Saint-Beauzire1.08 km
- Clermont-Ferrand1.01 km
- Leigneux0.50 km
- Trelins0.48 km
- Montverdun0.05 km
- Saint-Étienne-le-Molard0.03 km
- Sayat0.01 km
- Sail-sous-Couzan0.00 km
- Nohanent0.00 km
- Débats-Rivière-d'Orpra0.00 km
6 intersecting protected areas
Volcans D\'Auvergne
IUCN VRegional Nature Park
Plaine du Forez
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Chaîne des Puys - Limagne fault tectonic arena
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
Lignon, Vizezy, Anzon et leurs affluents
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Marais salé de Saint-Beauzire
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
marais sale de st-beauzire
IUCN IVLand acquired by a regional conservatory of natural areas
1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
832 distinct species · 3 591 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Bief : 30 espèces + 8 bulles famille, 89 interactions GloBI documentées sur 6 types (connectance 12.7%, filtre Serrano α=0.2). Les 8 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
20km
Max discharge
3,4m³/s
Max Strahler
3
Segments matched
2
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.