Ontologia

Commune · ITA

Prè-Saint-Didier

Italy

DfcCold, no dry season, cold summer(40 %)

Species observed

669

Observations

2 592

Area

33,5km²

Ecological tissue

Sample of 26 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 Prè-Saint-Didier : 14 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 95 interactions GloBI sur 6 types (connectance 23.4%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
95
Connectance
0.234
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

669 distinct species · 2 592 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 592 obs · 2 cellules
Obs. / cellule
≥ 1 452
1 452–1 451
1 452–1 451
1 452–1 451
< 1 452

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

Climate

Mean T°

1,8°C

Annual rain

1 941mm

Warmest m°

16,4°C

Coldest m°

-12,6°C

Elevation: 1 897 m on average (min 1 208 m, max 2 711 m)

Bioclimatic detailsExpert
Annual mean temp.
1,8°C
Annual rain
1 941mm
Warmest month
16,4°C
Coldest month
-12,6°C
Mean alt.
1 897m
Min
1 208m
Max
2 711m
Std. dev.
446m
Köppen-Geiger (dominant)
DfcCold, no dry season, cold summer(40 %)Cold

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

89,5g/kg

Clay

19,4%

Sand

41,7%

Silt

39,0%

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
5,9
Org. C
122,7g/kg
Clay
18,4%
Sand
41,9%
Silt
39,7%
5–15 cm
pH H₂O
6,0
Org. C
80,7g/kg
Clay
19,0%
Sand
42,1%
Silt
39,0%
15–30 cm
pH H₂O
5,9
Org. C
65,2g/kg
Clay
20,7%
Sand
41,0%
Silt
38,3%

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

Land cover

Forest28.0%
Crops0.4%
Built-up0.4%
Bare soil11.3%
Other (grassland, water…)59.9%

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

Hydrology1 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

11,1km

Basins crossed

1

Max stream order

4

Max drainage

1 024km²

Discharge in basins

0,9m³/s

Mean precip.

1 682mm/an

Mean T°

0,8°C

Moisture idx

0,67

Max snow

48%

Mean runoff

788mm/an

Mean elev. (basins)

2 306m

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

Human pressure

Pop. density

0hab/km²

Night light

1,3nW

Built-up

39,0%

Pesticides

0,1kg/km²

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

Protected areas1

IUCN Not Reported · 1

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