Ontologia

Commune · CHE

Sion

Switzerland

CfbTemperate, no dry season, warm summer(100 %)

Species observed

6 722

Observations

186 132

Area

26km²

Ecological tissue

Sample of 37 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 Sion : 25 espèces reliées par 146 interactions GloBI sur 6 types (connectance 20.8%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
146
Connectance
0.208
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

6 722 distinct species · 186 132 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

186 132 obs · 3 cellules
Obs. / cellule
≥ 69 837
69 837–69 836
69 837–69 836
66 709–69 836
< 66 709

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

Climate

Mean T°

9,7°C

Annual rain

746mm

Warmest m°

24,7°C

Coldest m°

-6,4°C

Elevation: 574 m on average (min 497 m, max 1 156 m)

Bioclimatic detailsExpert
Annual mean temp.
9,7°C
Annual rain
746mm
Warmest month
24,7°C
Coldest month
-6,4°C
Mean alt.
574m
Min
497m
Max
1 156m
Std. dev.
80m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate

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

60,8g/kg

Clay

20,7%

Sand

38,3%

Silt

41,0%

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

Dominant lithology: scGLiMaggregated to Sion

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
93,9g/kg
Clay
20,0%
Sand
38,2%
Silt
41,9%
5–15 cm
pH H₂O
6,1
Org. C
52,2g/kg
Clay
20,5%
Sand
38,1%
Silt
41,3%
15–30 cm
pH H₂O
6,1
Org. C
36,4g/kg
Clay
21,5%
Sand
38,7%
Silt
39,8%

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

Land cover

Forest19.8%
Crops8.1%
Built-up7.3%
Bare soil2.0%
Other (grassland, water…)62.7%

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

Hydrology3 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

18,6km

Basins crossed

3

Max stream order

5

Max drainage

3 774km²

Discharge in basins

6,8m³/s

Mean precip.

1 433mm/an

Mean T°

3,5°C

Moisture idx

0,47

Max snow

52%

Mean runoff

847mm/an

Mean elev. (basins)

1 646m

Watersheds crossing here

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

Human pressure

Pop. density

8hab/km²

Night light

6,6nW

Built-up

731,1%

Pesticides

9,0kg/km²

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

Protected areas7

IUCN IV · 6IUCN Not Assigned · 1

Poutafontana

IUCN IV

Federal Inventory of Amphibian Spawning Areas of National Importance · 2001

1 km²

Tourbillon

IUCN IV

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

0 km²

Mont d'Orge

IUCN IV

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

0 km²

Crête des Maladaires

IUCN IV

Federal Inventory of Dry Grasslands and Pastures of National Importance · 2017

0 km²

Lac de Mont d'Orge

IUCN IV

Federal Inventory of Amphibian Spawning Areas of National Importance · 2001

0 km²

Montorge

IUCN Not Assigned

Private Nature Reserves · 2018

0 km²

Complete list

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