Ontologia

Commune · ITA

Valsavarenche

Italy

ETPolar, tundra(69 %)

Species observed

2 096

Observations

34 747

Area

138,3km²

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 Valsavarenche : 22 espèces reliées par 53 interactions GloBI sur 5 types (connectance 11.4%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
53
Connectance
0.114
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

2 096 distinct species · 34 747 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

34 747 obs · 11 cellules
Obs. / cellule
≥ 9 633
6 705–9 632
3 498–6 704
2 128–3 497
< 2 128

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

Climate

Mean T°

-2,1°C

Annual rain

1 637mm

Warmest m°

12,3°C

Coldest m°

-15,9°C

Elevation: 2 583 m on average (min 1 399 m, max 3 580 m)

Bioclimatic detailsExpert
Annual mean temp.
-2,1°C
Annual rain
1 637mm
Warmest month
12,3°C
Coldest month
-15,9°C
Mean alt.
2 583m
Min
1 399m
Max
3 580m
Std. dev.
460m
Köppen-Geiger (dominant)
ETPolar, tundra(69 %)Polar

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

Soil & lithology

pH H₂O

6,1

Org. C

86,7g/kg

Clay

18,8%

Sand

41,5%

Silt

39,7%

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
6,0
Org. C
123,2g/kg
Clay
18,2%
Sand
41,5%
Silt
40,3%
5–15 cm
pH H₂O
6,1
Org. C
75,6g/kg
Clay
17,9%
Sand
41,8%
Silt
40,3%
15–30 cm
pH H₂O
6,2
Org. C
61,1g/kg
Clay
20,4%
Sand
41,1%
Silt
38,5%

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

Land cover

Forest8.3%
Crops0.1%
Built-up0.0%
Bare soil35.8%
Other (grassland, water…)55.9%

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

Hydrology3 basins · 0 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

35,2km

Basins crossed

3

Max stream order

2

Max drainage

9 254km²

Discharge in basins

3,7m³/s

Mean precip.

1 679mm/an

Mean T°

0,8°C

Moisture idx

0,67

Max snow

48%

Mean runoff

789mm/an

Mean elev. (basins)

2 301m

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

4,1%

Pesticides

63,4kg/km²

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

Protected areas3

IUCN Not Reported · 2IUCN II · 1

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