Hochastler
IUCN IVFederal Inventory of Dry Grasslands and Pastures of National Importance · 2010
0 km²
Commune · CHE
Unterbäch
Switzerland
ETPolar, tundra(58 %)
Species observed
1 437
Observations
6 912
Area
21,9km²
Ecological tissue
Sample of 41 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 Unterbäch : 38 espèces + 3 bulles famille, 38 interactions GloBI documentées sur 5 types (connectance 4.6%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
41
Interactions affichées
38
Connectance
0.046
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
1 437 distinct species · 6 912 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
-0,6°C
Annual rain
1 269mm
Warmest m°
14,4°C
Coldest m°
-15,8°C
Elevation: 2 188 m on average (min 686 m, max 2 818 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
-0,6°C
Annual rain
1 269mm
Warmest month
14,4°C
Coldest month
-15,8°C
Mean alt.
2 188m
Min
686m
Max
2 818m
Std. dev.
517m
Köppen-Geiger (dominant)
ETPolar, tundra(58 %)Polar
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,4
Org. C
64,7g/kg
Clay
17,2%
Sand
42,7%
Silt
40,1%
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
6,3
Org. C
108,8g/kg
Clay
17,4%
Sand
42,1%
Silt
40,6%
5–15 cm
pH H₂O
6,4
Org. C
52,9g/kg
Clay
17,1%
Sand
42,9%
Silt
40,0%
15–30 cm
pH H₂O
6,4
Org. C
32,5g/kg
Clay
17,2%
Sand
43,2%
Silt
39,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest24.4%
Crops0.2%
Built-up0.2%
Bare soil25.1%
Other (grassland, water…)50.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
5,8km
Basins crossed
2
Max stream order
2
Max drainage
2 416km²
Discharge in basins
3,2m³/s
Mean precip.
1 723mm/an
Mean T°
1,0°C
Moisture idx
0,67
Max snow
57%
Mean runoff
1 094mm/an
Mean elev. (basins)
2 091m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,2nW
Built-up
18,7%
Pesticides
56,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN IV · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN