Ruisseau· 11 segments
Le Séran
Crosses 2 administrative regions : Ain, Savoie
Total length
45km
Max discharge
6,5m³/s
Max Strahler
3
Segments matched
11
River geography2 admin regions · 20 communes
2 administrative regions crossed (GADM L2)
20 communes (L5)For countries with L5
- Champagne-en-Valromey5.86 km
- Le Grand-Abergement4.09 km
- Ruffieu3.98 km
- Hotonnes3.62 km
- Cressin-Rochefort3.09 km
- Artemare2.73 km
- Vieu1.74 km
- Le Petit-Abergement1.60 km
- Lompnieu1.51 km
- Belmont-Luthézieu1.49 km
- Pollieu0.91 km
- Sutrieu0.73 km
- Songieu0.32 km
- Flaxieu0.00 km
- Saint-Martin-de-Bavel0.00 km
- Massignieu-de-Rives0.00 km
- Lavours0.00 km
- Chanaz0.00 km
- Ceyzérieu0.00 km
- Lucey0.00 km
9 intersecting protected areas
Biotope Protection Order
Plateau du Retord et chaîne du Grand Colombier
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Special Areas of Conservation (Habitats Directive)
Avant-pays savoyard
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Forêts alluviales et lônes du Haut Rhône
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Forêts alluviales et lônes du Haut Rhône
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Marais de Lavours
IUCN Not ReportedSpecial Protection Area (Birds Directive)
Marais de Lavours
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
Marais De Lavours
IUCN IVNational Nature Reserve
1 page = 1 named river (aggregation of 11 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 265 distinct species · 15 853 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 11 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 Le Séran : 9 espèces + 2 bulles famille, 6 interactions GloBI documentées sur 2 types (connectance 10.9%, filtre Serrano α=0.2). Les 2 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
45km
Max discharge
6,5m³/s
Max Strahler
3
Segments matched
11
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.