Swiss Alps Jungfrau-Aletsch
IUCN Not ApplicableWorld Heritage Site (natural or mixed) · 2001
826 km²
Commune · CHE
Steg
Switzerland
CfbTemperate, no dry season, warm summer(27 %)
Species observed
498
Observations
1 873
Area
7km²
Ecological tissue
Sample of 25 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 Steg : 21 espèces + 4 bulles famille, 32 interactions GloBI documentées sur 4 types (connectance 10.7%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
25
Interactions affichées
32
Connectance
0.107
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
498 distinct species · 1 873 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
2,9°C
Annual rain
1 132mm
Warmest m°
17,7°C
Coldest m°
-12,2°C
Elevation: 1 601 m on average (min 673 m, max 2 702 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
2,9°C
Annual rain
1 132mm
Warmest month
17,7°C
Coldest month
-12,2°C
Mean alt.
1 601m
Min
673m
Max
2 702m
Std. dev.
703m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(27 %)Temperate
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
77,8g/kg
Clay
19,6%
Sand
40,6%
Silt
39,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to West Raron
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,2
Org. C
125,4g/kg
Clay
18,8%
Sand
40,5%
Silt
40,8%
5–15 cm
pH H₂O
6,3
Org. C
63,4g/kg
Clay
19,9%
Sand
40,6%
Silt
39,5%
15–30 cm
pH H₂O
6,3
Org. C
44,6g/kg
Clay
20,3%
Sand
40,9%
Silt
39,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest26.4%
Crops4.3%
Built-up2.1%
Bare soil21.3%
Other (grassland, water…)45.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
2,1km
Basins crossed
1
Max stream order
5
Max drainage
2 416km²
Discharge in basins
1,1m³/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
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
1,6nW
Built-up
213,2%
Pesticides
9,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Applicable · 1IUCN IV · 1
Wilerhorn
IUCN IVFederal Hunting Reserves · 1992
32 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN