Ontologia

Commune · CHE

Raron

Switzerland

ETPolar, tundra(39 %)

Species observed

725

Observations

3 047

Area

29,7km²

Ecological tissue

Sample of 29 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 Raron : 23 espèces + 6 bulles famille, 57 interactions GloBI documentées sur 4 types (connectance 14.0%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
29
Interactions affichées
57
Connectance
0.140
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

725 distinct species · 3 047 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 914 obs · 15 cellules · 1811–2025
Obs. / cellule
≥ 1 733
576–1 732
99–575
48–98
< 48

Source : GBIF — observations agrégées par hexagones 0.02° × 0.02° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

1,6°C

Annual rain

1 348mm

Warmest m°

16,4°C

Coldest m°

-13,3°C

Elevation: 1 862 m on average (min 686 m, max 3 266 m)

Bioclimatic detailsExpert
Annual mean temp.
1,6°C
Annual rain
1 348mm
Warmest month
16,4°C
Coldest month
-13,3°C
Mean alt.
1 862m
Min
686m
Max
3 266m
Std. dev.
775m
Köppen-Geiger (dominant)
ETPolar, tundra(39 %)Polar

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

Soil & lithology

pH H₂O

6,3

Org. C

73,7g/kg

Clay

17,0%

Sand

42,0%

Silt

41,0%

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

Dominant lithology: mtGLiMaggregated to West Raron

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
119,0g/kg
Clay
16,8%
Sand
41,6%
Silt
41,6%
5–15 cm
pH H₂O
6,3
Org. C
59,8g/kg
Clay
16,9%
Sand
41,9%
Silt
41,2%
15–30 cm
pH H₂O
6,3
Org. C
42,4g/kg
Clay
17,4%
Sand
42,3%
Silt
40,3%

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

Land cover

Forest18.2%
Crops3.0%
Built-up0.8%
Bare soil23.0%
Other (grassland, water…)55.0%

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

Hydrology1 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

12,2km

Basins crossed

1

Max stream order

5

Max drainage

2 416km²

Discharge in basins

4,5m³/s

Mean precip.

1 709mm/an

Mean T°

1,2°C

Moisture idx

0,66

Max snow

45%

Mean runoff

1 091mm/an

Mean elev. (basins)

2 054m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,5nW

Built-up

79,9%

Pesticides

34,2kg/km²

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

Protected areas10

IUCN IV · 9IUCN Not Applicable · 1

Alpjuhorn

IUCN IV

Federal Hunting Reserves · 1992

58 km²

Wilerhorn

IUCN IV

Federal Hunting Reserves · 1992

32 km²

Niedergesteln

IUCN IV

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

1 km²

Chalchofe

IUCN IV

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

0 km²

Jegisand

IUCN IV

Federal Inventory of Alluvial Zones of National Importance · 2017

0 km²

Complete list

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