Ontologia

Commune · ITA

Gressoney-Saint-Jean

Italy

DfcCold, no dry season, cold summer(58 %)

Species observed

1 260

Observations

5 958

Area

69,5km²

Ecological tissue

Sample of 28 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 Gressoney-Saint-Jean : 18 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 55 interactions GloBI sur 6 types (connectance 12.6%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
55
Connectance
0.126
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

1 260 distinct species · 5 958 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 958 obs · 8 cellules
Obs. / cellule
≥ 1 611
1 611–1 610
845–1 610
751–844
< 751

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

Climate

Mean T°

0,6°C

Annual rain

1 628mm

Warmest m°

14,5°C

Coldest m°

-13,8°C

Elevation: 2 117 m on average (min 1 478 m, max 2 878 m)

Bioclimatic detailsExpert
Annual mean temp.
0,6°C
Annual rain
1 628mm
Warmest month
14,5°C
Coldest month
-13,8°C
Mean alt.
2 117m
Min
1 478m
Max
2 878m
Std. dev.
383m
Köppen-Geiger (dominant)
DfcCold, no dry season, cold summer(58 %)Cold

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

69,2g/kg

Clay

17,6%

Sand

42,5%

Silt

39,9%

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
6,3
Org. C
105,6g/kg
Clay
17,1%
Sand
42,5%
Silt
40,4%
5–15 cm
pH H₂O
6,3
Org. C
60,0g/kg
Clay
16,8%
Sand
42,3%
Silt
40,9%
15–30 cm
pH H₂O
6,3
Org. C
42,0g/kg
Clay
18,8%
Sand
42,6%
Silt
38,5%

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

Land cover

Forest22.4%
Crops0.3%
Built-up0.3%
Bare soil15.1%
Other (grassland, water…)62.0%

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

Hydrology3 basins · 0 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

19,6km

Basins crossed

3

Max stream order

2

Max drainage

296km²

Discharge in basins

2,1m³/s

Mean precip.

1 521mm/an

Mean T°

2,1°C

Moisture idx

0,62

Max snow

43%

Mean runoff

941mm/an

Mean elev. (basins)

2 033m

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

Human pressure

Pop. density

0hab/km²

Night light

0,9nW

Built-up

26,5%

Pesticides

70,8kg/km²

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

Protected areas2

IUCN Not Reported · 2

Alta Val Sesia

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2016

75 km²

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