Ontologia

Rivière· 12 segments

Wigger

Crosses 5 administrative regions : Entlebuch, Olten, Sursee, Willisau, Zofingen

rivière

Total length

32km

Max discharge

270,2m³/s

Max Strahler

6

Segments matched

12

River geography5 admin regions · 0 communes

Parent watershed

hybas-2080499990414 km²

5 administrative regions crossed (GADM L2)

  • Willisau
    Lucerne · Switzerland
    18.3 km
    in this dpt
  • Sursee
    Lucerne · Switzerland
    2.2 km
    in this dpt
  • Zofingen
    Aargau · Switzerland
    1.4 km
    in this dpt
  • Entlebuch
    Lucerne · Switzerland
    0.3 km
    in this dpt
  • Olten
    Solothurn · Switzerland
    0.0 km
    in this dpt

12 intersecting protected areas

  • Federal Inventory of Reserves for Waterbirds and Migratory Birds of International and National Imp.

  • Federal Inventory of Alluvial Zones of National Importance

  • Born-Ruttiger

    IUCN Not Assigned

    Forest Reserves

  • Rainbann

    IUCN Not Assigned

    Forest Reserves

  • Burgacherwald

    IUCN Not Assigned

    Forest Reserves

  • Federal Inventory of Amphibian Spawning Areas of National Importance

  • Federal Inventory of Fenlands of National Importance

  • Federal Inventory of Amphibian Spawning Areas of National Importance

  • Federal Inventory of Amphibian Spawning Areas of National Importance

3 more protected areas

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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

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).

Espèces affichées
46
Interactions affichées
113
Connectance
0.109
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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.