Ontologia

Commune · ITA

Gravellona Toce

Italy

CfaTemperate, no dry season, hot summer(61 %)

Species observed

0

Observations

0

Area

13,9km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

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 Gravellona Toce : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 71 interactions GloBI sur 6 types (connectance 16.3%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
71
Connectance
0.163
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

0 distinct species · 0 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

0 obs · 0 cellules

Aucune observation géoréférencée précise (<10 km) dans ce territoire.

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

11,4°C

Annual rain

1 890mm

Warmest m°

25,0°C

Coldest m°

-2,3°C

Elevation: 484 m on average (min 239 m, max 1 159 m)

Bioclimatic detailsExpert
Annual mean temp.
11,4°C
Annual rain
1 890mm
Warmest month
25,0°C
Coldest month
-2,3°C
Mean alt.
484m
Min
239m
Max
1 159m
Std. dev.
282m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(61 %)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

59,0g/kg

Clay

22,1%

Sand

39,9%

Silt

38,0%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: mtGLiMaggregated to Verbano-Cusio-Ossola

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
88,1g/kg
Clay
20,5%
Sand
40,5%
Silt
39,1%
5–15 cm
pH H₂O
6,0
Org. C
52,8g/kg
Clay
21,5%
Sand
40,1%
Silt
38,3%
15–30 cm
pH H₂O
6,0
Org. C
36,2g/kg
Clay
24,4%
Sand
39,1%
Silt
36,5%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest54.3%
Crops3.2%
Built-up4.3%
Bare soil0.4%
Other (grassland, water…)37.8%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology1 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

4,1km

Basins crossed

1

Max stream order

4

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

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

3hab/km²

Night light

6,4nW

Built-up

425,3%

Pesticides

0,1kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas4

IUCN Not Reported · 3IUCN IV · 1

Fiume Toce

IUCN Not Reported

Special Protection Area (Birds Directive) · 2006

27 km²

Fondo Toce

IUCN Not Reported

Special Protection Area (Birds Directive) · 2006

4 km²

Fondo Toce

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2017

4 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN