Rivière· 12 segments
Wigger
Crosses 5 administrative regions : Entlebuch, Olten, Sursee, Willisau, Zofingen
Total length
32km
Max discharge
270,2m³/s
Max Strahler
6
Segments matched
12
River geography5 admin regions · 0 communes
5 administrative regions crossed (GADM L2)
- WillisauLucerne · Switzerland18.3 kmin this dpt
- SurseeLucerne · Switzerland2.2 kmin this dpt
- ZofingenAargau · Switzerland1.4 kmin this dpt
- EntlebuchLucerne · Switzerland0.3 kmin this dpt
- OltenSolothurn · Switzerland0.0 kmin this dpt
12 intersecting protected areas
Wauwilermoos (LU)
IUCN IVFederal Inventory of Reserves for Waterbirds and Migratory Birds of International and National Imp.
Ruppoldingen
IUCN IVFederal Inventory of Alluvial Zones of National Importance
Born-Ruttiger
IUCN Not AssignedForest Reserves
Rainbann
IUCN Not AssignedForest Reserves
Burgacherwald
IUCN Not AssignedForest Reserves
Tuetenseeli
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance
Tuetenseeli
IUCN IVFederal Inventory of Fenlands of National Importance
Haldengutweiher
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance
Staldenmoos
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance
3 more protected areassorted by area
St. Niklausen
IUCN Not AssignedForest Reserves
Ölberg
IUCN Not AssignedForest Reserves
Kiesgrube Sticherlöchli
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance
1 page = 1 named river (aggregation of 12 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
3 471 distinct species · 54 329 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 46 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 Wigger : 34 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 113 interactions GloBI sur 5 types (connectance 10.9%, filtre Serrano α=0.2). 12 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
32km
Max discharge
270,2m³/s
Max Strahler
6
Segments matched
12
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.