Riserva naturale Lago di Villa
IUCN IVRegional/Provincial Nature Reserve · 1992
0 km²
Commune · ITA
Challand-Saint-Victor
Italy
DfbCold, no dry season, warm summer(41 %)
Species observed
489
Observations
1 060
Area
25,4km²
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 Challand-Saint-Victor : 37 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 4 bulles famille, 72 interactions GloBI documentées sur 5 types (connectance 8.8%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
41
Interactions affichées
72
Connectance
0.088
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
489 distinct species · 1 060 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
4,8°C
Annual rain
1 026mm
Warmest m°
18,9°C
Coldest m°
-9,7°C
Elevation: 1 479 m on average (min 599 m, max 2 596 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
4,8°C
Annual rain
1 026mm
Warmest month
18,9°C
Coldest month
-9,7°C
Mean alt.
1 479m
Min
599m
Max
2 596m
Std. dev.
558m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(41 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,7
Org. C
58,2g/kg
Clay
23,4%
Sand
35,8%
Silt
40,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Aosta
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,6
Org. C
96,1g/kg
Clay
23,1%
Sand
35,8%
Silt
41,2%
5–15 cm
pH H₂O
6,6
Org. C
50,7g/kg
Clay
21,9%
Sand
36,3%
Silt
41,7%
15–30 cm
pH H₂O
6,7
Org. C
27,6g/kg
Clay
25,2%
Sand
35,4%
Silt
39,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest53.0%
Crops1.3%
Built-up0.3%
Bare soil6.0%
Other (grassland, water…)39.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
7,5km
Basins crossed
4
Max stream order
2
Max drainage
2 973km²
Discharge in basins
0,8m³/s
Mean precip.
1 597mm/an
Mean T°
1,3°C
Moisture idx
0,65
Max snow
43%
Mean runoff
945mm/an
Mean elev. (basins)
2 154m
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
0,6nW
Built-up
27,0%
Pesticides
72,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN IV · 1IUCN Not Reported · 1
Lago di Villa
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2013
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN