Alp da Pigniu
IUCN Not AssignedForest Reserves · 2023
0 km²
Commune · CHE
Pigniu
Switzerland
ETPolar, tundra(62 %)
Species observed
615
Observations
1 796
Area
14,8km²
Ecological tissue
Sample of 31 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 Pigniu : 21 espèces reliées par 54 interactions GloBI sur 5 types (connectance 10.2%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
33
Interactions affichées
54
Connectance
0.102
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
615 distinct species · 1 796 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
-0,9°C
Annual rain
2 371mm
Warmest m°
13,3°C
Coldest m°
-15,4°C
Elevation: 2 134 m on average (min 1 389 m, max 2 636 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
-0,9°C
Annual rain
2 371mm
Warmest month
13,3°C
Coldest month
-15,4°C
Mean alt.
2 134m
Min
1 389m
Max
2 636m
Std. dev.
303m
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
5,2
Org. C
75,8g/kg
Clay
23,5%
Sand
37,0%
Silt
39,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Surselva
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,2
Org. C
109,8g/kg
Clay
23,8%
Sand
36,1%
Silt
40,0%
5–15 cm
pH H₂O
5,2
Org. C
67,4g/kg
Clay
23,4%
Sand
36,9%
Silt
39,7%
15–30 cm
pH H₂O
5,3
Org. C
50,1g/kg
Clay
23,3%
Sand
38,0%
Silt
38,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest10.2%
Crops0.1%
Built-up0.0%
Bare soil15.0%
Other (grassland, water…)74.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
4,9km
Basins crossed
2
Max stream order
2
Max drainage
2 407km²
Discharge in basins
0,5m³/s
Mean precip.
1 619mm/an
Mean T°
1,9°C
Moisture idx
0,68
Max snow
47%
Mean runoff
1 215mm/an
Mean elev. (basins)
1 894m
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
Built-up
4,0%
Pesticides
4,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Assigned · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN