Ontologia

Commune · CHE

Villnachern

Switzerland

CfbTemperate, no dry season, warm summer(100 %)

Species observed

1 924

Observations

24 205

Area

5,9km²

Ecological tissue

Sample of 24 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 Villnachern : 11 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 75 interactions GloBI sur 5 types (connectance 23.1%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
75
Connectance
0.231
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Species present

1 924 distinct species · 24 205 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

24 205 obs · 1 cellules
Obs. / cellule
≥ 24 205
24 205–24 204
24 205–24 204
24 205–24 204
< 24 205

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

Climate

Mean T°

9,9°C

Annual rain

1 266mm

Warmest m°

23,4°C

Coldest m°

-2,8°C

Elevation: 442 m on average (min 351 m, max 570 m)

Bioclimatic detailsExpert
Annual mean temp.
9,9°C
Annual rain
1 266mm
Warmest month
23,4°C
Coldest month
-2,8°C
Mean alt.
442m
Min
351m
Max
570m
Std. dev.
66m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate

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

Soil & lithology

pH H₂O

6,5

Org. C

50,9g/kg

Clay

35,9%

Sand

23,5%

Silt

40,6%

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

Dominant lithology: suGLiMaggregated to Brugg

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
78,2g/kg
Clay
37,1%
Sand
22,6%
Silt
40,4%
5–15 cm
pH H₂O
6,5
Org. C
42,1g/kg
Clay
35,8%
Sand
23,8%
Silt
40,4%
15–30 cm
pH H₂O
6,6
Org. C
32,2g/kg
Clay
34,9%
Sand
24,1%
Silt
41,0%

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

Land cover

Forest32.1%
Crops23.0%
Built-up2.8%
Bare soil0.9%
Other (grassland, water…)41.2%

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

Hydrology3 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

2,1km

Basins crossed

3

Max stream order

6

Max drainage

34 338km²

Discharge in basins

4,8m³/s

Mean precip.

1 094mm/an

Mean T°

8,8°C

Moisture idx

0,31

Max snow

17%

Mean runoff

837mm/an

Mean elev. (basins)

513m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

2hab/km²

Night light

1,2nW

Built-up

280,3%

Pesticides

53,3kg/km²

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

Protected areas11

IUCN IV · 6IUCN Not Assigned · 5

Umiker Schachen

IUCN IV

Federal Inventory of Amphibian Spawning Areas of National Importance · 2001

0 km²

Schihalden

IUCN IV

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

0 km²

Complete list

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