Ontologia

Commune · CHE

Evionnaz

Switzerland

DfcCold, no dry season, cold summer(46 %)

Species observed

6 009

Observations

120 448

Area

47,2km²

Ecological tissue

Sample of 30 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 Evionnaz : 21 espèces reliées par 85 interactions GloBI sur 5 types (connectance 15.2%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
85
Connectance
0.151
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

6 009 distinct species · 120 448 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

120 448 obs · 5 cellules
Obs. / cellule
≥ 48 556
48 556–48 555
28 784–48 555
21 118–28 783
< 21 118

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

2 021mm

Warmest m°

15,1°C

Coldest m°

-14,6°C

Elevation: 1 948 m on average (min 487 m, max 2 793 m)

Bioclimatic detailsExpert
Annual mean temp.
0,6°C
Annual rain
2 021mm
Warmest month
15,1°C
Coldest month
-14,6°C
Mean alt.
1 948m
Min
487m
Max
2 793m
Std. dev.
624m
Köppen-Geiger (dominant)
DfcCold, no dry season, cold summer(46 %)Cold

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

Soil & lithology

pH H₂O

5,7

Org. C

74,7g/kg

Clay

23,2%

Sand

38,0%

Silt

38,8%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: scGLiMaggregated to Saint-Maurice

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
112,4g/kg
Clay
22,3%
Sand
38,1%
Silt
39,6%
5–15 cm
pH H₂O
5,7
Org. C
66,5g/kg
Clay
22,7%
Sand
38,1%
Silt
39,2%
15–30 cm
pH H₂O
5,8
Org. C
45,1g/kg
Clay
24,5%
Sand
37,8%
Silt
37,7%

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

Land cover

Forest17.0%
Crops1.3%
Built-up0.3%
Bare soil23.5%
Other (grassland, water…)57.9%

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

Hydrology1 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

8,7km

Basins crossed

1

Max stream order

5

Max drainage

6 393km²

Discharge in basins

5,0m³/s

Mean precip.

1 187mm/an

Mean T°

6,6°C

Moisture idx

0,31

Max snow

25%

Mean runoff

880mm/an

Mean elev. (basins)

1 031m

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

32,1%

Pesticides

45,3kg/km²

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

Protected areas2

IUCN Not Assigned · 2

Bois Noir

IUCN Not Assigned

Forest Reserves · 2023

1 km²

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