Ruisseau· 4 segments
Le Sierroz
Crosses 1 administrative regions : Savoie
Total length
20km
Max discharge
2,7m³/s
Max Strahler
3
Segments matched
4
River geography1 admin regions · 11 communes
1 administrative regions crossed (GADM L2)
- SavoieAuvergne-Rhône-Alpes · France13.9 kmin this dpt
11 communes (L5)For countries with L5
- Grésy-sur-Aix5.13 km
- Saint-Offenge-Dessous3.05 km
- Montcel2.30 km
- Saint-Offenge-Dessus2.19 km
- Épersy1.13 km
- Aix-les-Bains0.08 km
- Saint-Ours0.07 km
- Saint-François-de-Sales0.00 km
- Trévignin0.00 km
- Mognard0.00 km
- Arith0.00 km
4 intersecting protected areas
Massif Des Bauges
IUCN VRegional Nature Park
Réseau de zones humides de l'Albanais
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
marais de chevilly
IUCN IVLand acquired by a regional conservatory of natural areas
les ires
IUCN IVLand acquired by a regional conservatory of natural areas
1 page = 1 named river (aggregation of 4 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 926 distinct species · 16 240 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Sierroz : 28 espèces reliées par 84 interactions GloBI sur 5 types (connectance 18.1%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
20km
Max discharge
2,7m³/s
Max Strahler
3
Segments matched
4
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.