Swiss Alps Jungfrau-Aletsch
IUCN Not ApplicableWorld Heritage Site (natural or mixed) · 2001
826 km²
Commune · CHE
Wiler (Lötschen)
Switzerland
ETPolar, tundra(62 %)
Species observed
1 965
Observations
8 040
Area
14,7km²
Ecological tissue
Sample of 35 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 Wiler (Lötschen) : 30 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) + 5 bulles famille, 42 interactions GloBI documentées sur 6 types (connectance 7.1%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
35
Interactions affichées
42
Connectance
0.071
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 965 distinct species · 8 040 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
-1,2°C
Annual rain
1 812mm
Warmest m°
13,5°C
Coldest m°
-15,8°C
Elevation: 2 256 m on average (min 1 574 m, max 2 993 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
-1,2°C
Annual rain
1 812mm
Warmest month
13,5°C
Coldest month
-15,8°C
Mean alt.
2 256m
Min
1 574m
Max
2 993m
Std. dev.
449m
Köppen-Geiger (dominant)
ETPolar, tundra(62 %)Polar
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,2
Org. C
80,8g/kg
Clay
17,6%
Sand
42,2%
Silt
40,2%
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
6,1
Org. C
137,4g/kg
Clay
17,0%
Sand
42,0%
Silt
40,9%
5–15 cm
pH H₂O
6,2
Org. C
63,8g/kg
Clay
17,6%
Sand
42,1%
Silt
40,3%
15–30 cm
pH H₂O
6,2
Org. C
41,3g/kg
Clay
18,2%
Sand
42,3%
Silt
39,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest12.2%
Crops0.1%
Built-up0.3%
Bare soil25.5%
Other (grassland, water…)61.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
2,0km
Basins crossed
2
Max stream order
2
Max drainage
2 416km²
Discharge in basins
2,2m³/s
Mean precip.
1 708mm/an
Mean T°
1,2°C
Moisture idx
0,66
Max snow
45%
Mean runoff
1 090mm/an
Mean elev. (basins)
2 053m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,3nW
Built-up
27,7%
Pesticides
60,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas6
IUCN IV · 5IUCN Not Applicable · 1
Wilerhorn
IUCN IVFederal Hunting Reserves · 1992
32 km²
Tännmattu
IUCN IVFederal Inventory of Alluvial Zones of National Importance · 1992
0 km²
Riedhalte
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance · 2010
0 km²
Turand
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance · 2010
0 km²
Arbächnubel
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance · 2010
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN