Parco nazionale della Val Grande
IUCN IINational Park · 1991
170 km²
Commune · ITA
Ornavasso
Italy
CfaTemperate, no dry season, hot summer(38 %)
Species observed
237
Observations
611
Area
26,3km²
Ecological tissue
Sample of 29 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 Ornavasso : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 4 bulles famille, 53 interactions GloBI documentées sur 3 types (connectance 13.1%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
29
Interactions affichées
53
Connectance
0.131
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
237 distinct species · 611 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
9,5°C
Annual rain
2 068mm
Warmest m°
23,1°C
Coldest m°
-4,4°C
Elevation: 760 m on average (min 219 m, max 1 842 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
9,5°C
Annual rain
2 068mm
Warmest month
23,1°C
Coldest month
-4,4°C
Mean alt.
760m
Min
219m
Max
1 842m
Std. dev.
441m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(38 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,0
Org. C
58,7g/kg
Clay
21,2%
Sand
40,4%
Silt
38,5%
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
6,0
Org. C
89,5g/kg
Clay
19,4%
Sand
41,2%
Silt
39,4%
5–15 cm
pH H₂O
6,0
Org. C
52,9g/kg
Clay
20,9%
Sand
40,6%
Silt
38,5%
15–30 cm
pH H₂O
6,0
Org. C
33,9g/kg
Clay
23,3%
Sand
39,4%
Silt
37,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest67.0%
Crops3.7%
Built-up1.1%
Bare soil0.6%
Other (grassland, water…)27.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
13,0km
Basins crossed
1
Max stream order
4
Max drainage
1 883km²
Discharge in basins
1,3m³/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 (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
1,3nW
Built-up
108,9%
Pesticides
0,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN II · 1IUCN Not Reported · 1
Fiume Toce
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2006
27 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN