Alte Valli Anzasca, Antrona e Bognanco
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2006
216 km²
Commune · ITA
Viganella
Italy
DfbCold, no dry season, warm summer(57 %)
Species observed
192
Observations
355
Area
13,7km²
Ecological tissue
Sample of 33 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 Viganella : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 3 bulles famille, 74 interactions GloBI documentées sur 4 types (connectance 14.0%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
33
Interactions affichées
74
Connectance
0.140
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
192 distinct species · 355 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
6,3°C
Annual rain
1 436mm
Warmest m°
20,4°C
Coldest m°
-8,4°C
Elevation: 1 168 m on average (min 809 m, max 2 041 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
6,3°C
Annual rain
1 436mm
Warmest month
20,4°C
Coldest month
-8,4°C
Mean alt.
1 168m
Min
809m
Max
2 041m
Std. dev.
280m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(57 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,1
Org. C
65,4g/kg
Clay
20,8%
Sand
42,0%
Silt
37,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Verbano-Cusio-Ossola
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,1
Org. C
97,7g/kg
Clay
20,2%
Sand
41,7%
Silt
38,1%
5–15 cm
pH H₂O
6,1
Org. C
59,3g/kg
Clay
20,6%
Sand
42,1%
Silt
37,4%
15–30 cm
pH H₂O
6,1
Org. C
39,2g/kg
Clay
21,5%
Sand
42,1%
Silt
36,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest65.2%
Crops1.3%
Built-up0.2%
Bare soil1.1%
Other (grassland, water…)32.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
4,7km
Basins crossed
1
Max stream order
3
Max drainage
1 883km²
Discharge in basins
0,7m³/s
Mean precip.
1 452mm/an
Mean T°
4,4°C
Moisture idx
0,55
Max snow
29%
Mean runoff
1 381mm/an
Mean elev. (basins)
1 514m
Watersheds crossing here
Rivers / streams (3, 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
16,2%
Pesticides
78,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN