Ontologia

Commune · ITA

Valgrisenche

Italy

ETPolar, tundra(63 %)

Species observed

1 066

Observations

10 708

Area

108,3km²

Ecological tissue

Sample of 27 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 Valgrisenche : 19 espèces reliées par 80 interactions GloBI sur 5 types (connectance 14.3%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
80
Connectance
0.143
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

1 066 distinct species · 10 708 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

10 708 obs · 4 cellules
Obs. / cellule
≥ 3 712
3 712–3 711
3 170–3 711
3 170–3 169
< 3 170

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

Climate

Mean T°

-1,9°C

Annual rain

1 985mm

Warmest m°

12,4°C

Coldest m°

-15,7°C

Elevation: 2 535 m on average (min 1 705 m, max 3 239 m)

Bioclimatic detailsExpert
Annual mean temp.
-1,9°C
Annual rain
1 985mm
Warmest month
12,4°C
Coldest month
-15,7°C
Mean alt.
2 535m
Min
1 705m
Max
3 239m
Std. dev.
373m
Köppen-Geiger (dominant)
ETPolar, tundra(63 %)Polar

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

Soil & lithology

pH H₂O

5,9

Org. C

76,8g/kg

Clay

20,2%

Sand

40,0%

Silt

39,8%

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
5,9
Org. C
113,1g/kg
Clay
19,2%
Sand
40,3%
Silt
40,5%
5–15 cm
pH H₂O
5,9
Org. C
65,5g/kg
Clay
19,2%
Sand
40,5%
Silt
40,3%
15–30 cm
pH H₂O
5,9
Org. C
51,7g/kg
Clay
22,2%
Sand
39,3%
Silt
38,5%

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

Land cover

Forest5.5%
Crops0.0%
Built-up0.0%
Bare soil29.3%
Other (grassland, water…)65.2%

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

Hydrology2 basins · 1 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

23,0km

Lake surface here

0,54km²

Basins crossed

2

Max stream order

2

Max drainage

2 699km²

Discharge in basins

2,9m³/s

Mean precip.

1 681mm/an

Mean T°

0,8°C

Moisture idx

0,67

Max snow

48%

Mean runoff

788mm/an

Mean elev. (basins)

2 305m

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

4,4%

Pesticides

8,3kg/km²

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

Protected areas3

IUCN Not Reported · 3

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