Ontologia

Commune · CHE

Evolène

Switzerland

ETPolar, tundra(71 %)

Species observed

3 325

Observations

66 600

Area

209km²

Ecological tissue

Sample of 23 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 Evolène : 19 espèces + 4 bulles famille, 41 interactions GloBI documentées sur 5 types (connectance 16.2%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
23
Interactions affichées
41
Connectance
0.162
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

3 325 distinct species · 66 600 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

66 600 obs · 6 cellules
Obs. / cellule
≥ 18 444
18 444–18 443
18 231–18 443
16 845–18 230
< 16 845

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

Climate

Mean T°

-3,0°C

Annual rain

1 393mm

Warmest m°

11,8°C

Coldest m°

-18,2°C

Elevation: 2 600 m on average (min 1 350 m, max 3 624 m)

Bioclimatic detailsExpert
Annual mean temp.
-3,0°C
Annual rain
1 393mm
Warmest month
11,8°C
Coldest month
-18,2°C
Mean alt.
2 600m
Min
1 350m
Max
3 624m
Std. dev.
520m
Köppen-Geiger (dominant)
ETPolar, tundra(71 %)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

72,0g/kg

Clay

19,3%

Sand

40,6%

Silt

40,1%

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

Dominant lithology: suGLiMaggregated to Hérens

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
110,0g/kg
Clay
18,4%
Sand
40,8%
Silt
40,7%
5–15 cm
pH H₂O
6,1
Org. C
63,0g/kg
Clay
19,0%
Sand
40,6%
Silt
40,4%
15–30 cm
pH H₂O
6,2
Org. C
42,9g/kg
Clay
20,3%
Sand
40,5%
Silt
39,1%

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

Land cover

Forest8.9%
Crops0.1%
Built-up0.1%
Bare soil23.6%
Other (grassland, water…)67.3%

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

Hydrology4 basins · 0 lakes · 9 rivers

Hydrology metrics for this exact territory

Stream length here

48,0km

Basins crossed

4

Max stream order

3

Max drainage

777km²

Discharge in basins

6,0m³/s

Mean precip.

1 818mm/an

Mean T°

-0,2°C

Moisture idx

0,72

Max snow

57%

Mean runoff

921mm/an

Mean elev. (basins)

2 386m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

9,3%

Pesticides

2,7kg/km²

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

Protected areas24

IUCN IV · 22IUCN Not Assigned · 2

Mayens de Cotter

IUCN IV

Federal Inventory of Dry Grasslands and Pastures of National Importance · 2010

0 km²

Volovron

IUCN IV

Federal Inventory of Dry Grasslands and Pastures of National Importance · 2010

0 km²

Lotrey

IUCN IV

Federal Inventory of Alluvial Zones of National Importance · 1992

0 km²

La Niva

IUCN IV

Federal Inventory of Dry Grasslands and Pastures of National Importance · 2010

0 km²

Complete list

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