Ontologia

Commune · CHE

Villiers

Switzerland

DfbCold, no dry season, warm summer(81 %)

Species observed

2 630

Observations

28 612

Area

11,7km²

Ecological tissue

Sample of 32 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 Villiers : 19 espèces reliées par 130 interactions GloBI sur 5 types (connectance 23.2%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
130
Connectance
0.232
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

2 630 distinct species · 28 612 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

28 612 obs · 1 cellules
Obs. / cellule
≥ 28 612
28 612–28 611
28 612–28 611
28 612–28 611
< 28 612

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

Climate

Mean T°

6,4°C

Annual rain

1 571mm

Warmest m°

18,8°C

Coldest m°

-5,2°C

Elevation: 1 101 m on average (min 829 m, max 1 428 m)

Bioclimatic detailsExpert
Annual mean temp.
6,4°C
Annual rain
1 571mm
Warmest month
18,8°C
Coldest month
-5,2°C
Mean alt.
1 101m
Min
829m
Max
1 428m
Std. dev.
164m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(81 %)Cold

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

82,7g/kg

Clay

34,0%

Sand

22,9%

Silt

43,1%

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

Dominant lithology: suGLiMaggregated to Val-de-Ruz

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
125,6g/kg
Clay
33,8%
Sand
22,9%
Silt
43,4%
5–15 cm
pH H₂O
6,1
Org. C
79,2g/kg
Clay
34,1%
Sand
22,8%
Silt
43,0%
15–30 cm
pH H₂O
6,2
Org. C
43,5g/kg
Clay
34,1%
Sand
23,0%
Silt
42,9%

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

Land cover

Forest43.7%
Crops19.4%
Built-up0.2%
Bare soil0.7%
Other (grassland, water…)36.0%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

3,9km

Basins crossed

2

Max stream order

2

Max drainage

8 397km²

Discharge in basins

0,5m³/s

Mean precip.

1 118mm/an

Mean T°

7,5°C

Moisture idx

0,30

Max snow

20%

Mean runoff

784mm/an

Mean elev. (basins)

759m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

24,3%

Pesticides

54,2kg/km²

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

Protected areas12

IUCN IV · 7IUCN Not Assigned · 5

Chasseral

IUCN Not Assigned

Forest Reserves · 2023

11 km²

Chasseral

IUCN IV

Federal Inventory of Dry Grasslands and Pastures of National Importance · 2010

1 km²

La Cornette

IUCN IV

Federal Inventory of Dry Grasslands and Pastures of National Importance · 2017

0 km²

Frienisberg

IUCN Not Assigned

Forest Reserves · 2023

0 km²

Complete list

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