Hochastler
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance · 2010
0 km²
Commune · CHE
Bürchen
Switzerland
DfcCold, no dry season, cold summer(58 %)
Species observed
552
Observations
1 201
Area
13,8km²
Ecological tissue
Sample of 22 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 Bürchen : 20 espèces + 2 bulles famille, 23 interactions GloBI documentées sur 4 types (connectance 10.0%, filtre Serrano α=0.2). Les 2 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
22
Interactions affichées
23
Connectance
0.100
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
552 distinct species · 1 201 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
2,2°C
Annual rain
1 027mm
Warmest m°
17,1°C
Coldest m°
-13,0°C
Elevation: 1 737 m on average (min 701 m, max 2 707 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
2,2°C
Annual rain
1 027mm
Warmest month
17,1°C
Coldest month
-13,0°C
Mean alt.
1 737m
Min
701m
Max
2 707m
Std. dev.
422m
Köppen-Geiger (dominant)
DfcCold, no dry season, cold summer(58 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,6
Org. C
56,2g/kg
Clay
20,2%
Sand
41,7%
Silt
38,0%
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
6,5
Org. C
91,6g/kg
Clay
20,0%
Sand
41,3%
Silt
38,6%
5–15 cm
pH H₂O
6,6
Org. C
47,4g/kg
Clay
20,4%
Sand
41,8%
Silt
37,8%
15–30 cm
pH H₂O
6,6
Org. C
29,5g/kg
Clay
20,3%
Sand
42,1%
Silt
37,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest48.9%
Crops0.8%
Built-up0.9%
Bare soil5.5%
Other (grassland, water…)43.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 0 rivers
Hydrology metrics for this exact territory
Basins crossed
2
Max drainage
2 416km²
Discharge in basins
1,9m³/s
Mean precip.
1 733mm/an
Mean T°
0,9°C
Moisture idx
0,67
Max snow
57%
Mean runoff
1 095mm/an
Mean elev. (basins)
2 117m
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
87,8%
Pesticides
43,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas5
IUCN IV · 5
Mutt
IUCN IVFederal Inventory of Fenlands of National Importance · 1994
0 km²
Windegge
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance · 2010
0 km²
Mittleri Hellela
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance · 2010
0 km²
Obri Hellela
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance · 2010
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN