Ontologia

Commune · ITA

Gressoney-La-Trinitè

Italy

ETPolar, tundra(66 %)

Species observed

864

Observations

3 943

Area

69,5km²

Ecological tissue

Sample of 24 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-La-Trinitè : 17 espèces reliées par 45 interactions GloBI sur 6 types (connectance 15.0%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
25
Interactions affichées
45
Connectance
0.150
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

864 distinct species · 3 943 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 943 obs · 5 cellules
Obs. / cellule
≥ 1 611
1 611–1 610
1 010–1 610
762–1 009
< 762

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

Climate

Mean T°

-4,4°C

Annual rain

1 779mm

Warmest m°

9,9°C

Coldest m°

-19,0°C

Elevation: 2 852 m on average (min 1 751 m, max 4 210 m)

Bioclimatic detailsExpert
Annual mean temp.
-4,4°C
Annual rain
1 779mm
Warmest month
9,9°C
Coldest month
-19,0°C
Mean alt.
2 852m
Min
1 751m
Max
4 210m
Std. dev.
640m
Köppen-Geiger (dominant)
ETPolar, tundra(66 %)Polar

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

66,4g/kg

Clay

15,7%

Sand

43,4%

Silt

40,9%

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
6,6
Org. C
98,4g/kg
Clay
15,7%
Sand
43,0%
Silt
41,3%
5–15 cm
pH H₂O
6,7
Org. C
58,5g/kg
Clay
15,6%
Sand
43,0%
Silt
41,4%
15–30 cm
pH H₂O
6,7
Org. C
42,4g/kg
Clay
15,7%
Sand
44,3%
Silt
40,0%

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

Land cover

Forest3.5%
Crops0.0%
Built-up0.1%
Bare soil19.3%
Other (grassland, water…)77.1%

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

Hydrology5 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

14,4km

Basins crossed

5

Max stream order

2

Max drainage

1 883km²

Discharge in basins

2,1m³/s

Mean precip.

1 543mm/an

Mean T°

1,9°C

Moisture idx

0,63

Max snow

57%

Mean runoff

954mm/an

Mean elev. (basins)

2 064m

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

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

13,2%

Pesticides

68,2kg/km²

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

Protected areas6

IUCN Not Reported · 5IUCN IV · 1

Monte Rosa

IUCN Not Reported

Special Protection Area (Birds Directive) · 2006

85 km²

Alta Val Sesia

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2016

75 km²

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