Ruisseau· 11 segments
Lonza
Crosses 3 administrative regions : Frutigen, Leuk, West Raron
Total length
26km
Max discharge
6m³/s
Max Strahler
2
Segments matched
11
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- West RaronValais · Switzerland28.0 kmin this dpt
- LeukValais · Switzerland6.6 kmin this dpt
- FrutigenBern · Switzerland0.0 kmin this dpt
14 intersecting protected areas
Swiss Alps Jungfrau-Aletsch
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
Wilerhorn
IUCN IVFederal Hunting Reserves
Bietschhorn
IUCN IVFederal Hunting Reserves
Langgletscher/Jegigletscher
IUCN IVFederal Inventory of Alluvial Zones of National Importance
Tännmattu
IUCN IVFederal Inventory of Alluvial Zones of National Importance
Rufinu
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
Riedhalte
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
Chumma
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
Turand
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
5 more protected areassorted by area
Haselleen
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
Chiemadmatte
IUCN IVFederal Inventory of Alluvial Zones of National Importance
Faldumalp
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
Gerynloibina
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
Chruiterre
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance
1 page = 1 named river (aggregation of 11 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
2 223 distinct species · 10 499 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Lonza : 21 espèces reliées par 124 interactions GloBI sur 5 types (connectance 15.9%, filtre Serrano α=0.2). 19 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
26km
Max discharge
6,0m³/s
Max Strahler
2
Segments matched
11
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.