Ontologia

Commune · ITA

Bionaz

Italy

ETPolar, tundra(74 %)

Species observed

1 933

Observations

16 593

Area

144,8km²

Ecological tissue

Sample of 38 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 Bionaz : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 85 interactions GloBI sur 5 types (connectance 12.1%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
85
Connectance
0.121
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

1 933 distinct species · 16 593 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

16 593 obs · 11 cellules
Obs. / cellule
≥ 7 418
2 197–7 417
1 307–2 196
869–1 306
< 869

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

-3,1°C

Annual rain

1 636mm

Warmest m°

11,7°C

Coldest m°

-17,8°C

Elevation: 2 659 m on average (min 1 534 m, max 3 520 m)

Bioclimatic detailsExpert
Annual mean temp.
-3,1°C
Annual rain
1 636mm
Warmest month
11,7°C
Coldest month
-17,8°C
Mean alt.
2 659m
Min
1 534m
Max
3 520m
Std. dev.
438m
Köppen-Geiger (dominant)
ETPolar, tundra(74 %)Polar

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

6,5

Org. C

69,2g/kg

Clay

17,5%

Sand

41,5%

Silt

41,0%

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

Dominant lithology: mtGLiMaggregated to Aosta

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
102,1g/kg
Clay
17,4%
Sand
40,7%
Silt
41,8%
5–15 cm
pH H₂O
6,5
Org. C
57,7g/kg
Clay
17,7%
Sand
40,9%
Silt
41,4%
15–30 cm
pH H₂O
6,5
Org. C
47,7g/kg
Clay
17,3%
Sand
42,9%
Silt
39,9%

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

Land cover

Forest4.5%
Crops0.1%
Built-up0.0%
Bare soil35.7%
Other (grassland, water…)59.8%

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

Hydrology5 basins · 1 lakes · 11 rivers

Hydrology metrics for this exact territory

Stream length here

34,7km

Lake surface here

0,70km²

Basins crossed

5

Max stream order

2

Max drainage

2 527km²

Discharge in basins

4,6m³/s

Mean precip.

1 677mm/an

Mean T°

1,0°C

Moisture idx

0,67

Max snow

57%

Mean runoff

914mm/an

Mean elev. (basins)

2 232m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

1,7%

Pesticides

57,6kg/km²

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