Serra di Ivrea
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2017
46 km²
Commune · ITA
Bollengo
Italy
CfaTemperate, no dry season, hot summer(83 %)
Species observed
1 000
Observations
4 090
Area
14,4km²
Ecological tissue
Sample of 47 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 Bollengo : 41 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 102 interactions GloBI sur 6 types (connectance 9.4%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
47
Interactions affichées
102
Connectance
0.094
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 000 distinct species · 4 090 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,6°C
Annual rain
883mm
Warmest m°
26,4°C
Coldest m°
-1,7°C
Elevation: 322 m on average (min 230 m, max 602 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,6°C
Annual rain
883mm
Warmest month
26,4°C
Coldest month
-1,7°C
Mean alt.
322m
Min
230m
Max
602m
Std. dev.
121m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(83 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,3
Org. C
45,8g/kg
Clay
28,3%
Sand
25,2%
Silt
46,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Torino
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,3
Org. C
75,7g/kg
Clay
27,2%
Sand
26,0%
Silt
46,9%
5–15 cm
pH H₂O
6,3
Org. C
34,0g/kg
Clay
27,2%
Sand
25,3%
Silt
47,6%
15–30 cm
pH H₂O
6,3
Org. C
27,7g/kg
Clay
30,7%
Sand
24,2%
Silt
45,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest31.8%
Crops33.1%
Built-up1.8%
Bare soil0.9%
Other (grassland, water…)32.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 0 rivers
Hydrology metrics for this exact territory
Basins crossed
1
Max drainage
3 921km²
Discharge in basins
2,4m³/s
Mean precip.
943mm/an
Mean T°
9,9°C
Moisture idx
0,08
Max snow
7%
Mean runoff
779mm/an
Mean elev. (basins)
603m
Watersheds crossing here
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
3,4nW
Built-up
179,4%
Pesticides
71,6kg/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