Ontologia

Commune · CHE

Willisau

Switzerland

CfbTemperate, no dry season, warm summer(97 %)

Species observed

1 629

Observations

8 030

Area

41,7km²

Ecological tissue

Sample of 27 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 Willisau : 15 espèces reliées par 116 interactions GloBI sur 6 types (connectance 28.6%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
116
Connectance
0.286
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

1 629 distinct species · 8 030 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

8 030 obs · 1 cellules
Obs. / cellule
≥ 8 030
8 030–8 029
8 030–8 029
8 030–8 029
< 8 030

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

8,9°C

Annual rain

1 328mm

Warmest m°

21,8°C

Coldest m°

-3,5°C

Elevation: 675 m on average (min 539 m, max 981 m)

Bioclimatic detailsExpert
Annual mean temp.
8,9°C
Annual rain
1 328mm
Warmest month
21,8°C
Coldest month
-3,5°C
Mean alt.
675m
Min
539m
Max
981m
Std. dev.
78m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(97 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

6,1

Org. C

62,6g/kg

Clay

21,4%

Sand

43,8%

Silt

34,8%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: smGLiMaggregated to Willisau

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
92,3g/kg
Clay
21,3%
Sand
43,8%
Silt
34,8%
5–15 cm
pH H₂O
6,1
Org. C
51,9g/kg
Clay
21,6%
Sand
43,7%
Silt
34,7%
15–30 cm
pH H₂O
6,1
Org. C
43,6g/kg
Clay
21,2%
Sand
44,0%
Silt
34,8%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest34.2%
Crops25.1%
Built-up1.4%
Bare soil0.5%
Other (grassland, water…)38.8%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology2 basins · 0 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

17,6km

Basins crossed

2

Max stream order

3

Max drainage

473km²

Discharge in basins

1,1m³/s

Mean precip.

1 105mm/an

Mean T°

8,2°C

Moisture idx

0,33

Max snow

32%

Mean runoff

842mm/an

Mean elev. (basins)

642m

Watersheds crossing here

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

1hab/km²

Night light

1,0nW

Built-up

140,4%

Pesticides

53,8kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas4

IUCN IV · 3IUCN Not Assigned · 1

Ostergau

IUCN IV

Federal Inventory of Amphibian Spawning Areas of National Importance · 2001

0 km²

Ostergau

IUCN IV

Federal Inventory of Fenlands of National Importance · 1994

0 km²

Staldenmoos

IUCN IV

Federal Inventory of Amphibian Spawning Areas of National Importance · 2001

0 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN