Ontologia

Commune · CHE

Sur

Switzerland

ETPolar, tundra(61 %)

Species observed

1 276

Observations

7 874

Area

22,7km²

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 Sur : 17 espèces reliées par 62 interactions GloBI sur 5 types (connectance 11.7%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
62
Connectance
0.117
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

1 276 distinct species · 7 874 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

7 874 obs · 1 cellules
Obs. / cellule
≥ 7 874
7 874–7 873
7 874–7 873
7 874–7 873
< 7 874

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 400mm

Warmest m°

12,9°C

Coldest m°

-17,6°C

Elevation: 2 357 m on average (min 1 570 m, max 3 071 m)

Bioclimatic detailsExpert
Annual mean temp.
-1,8°C
Annual rain
1 400mm
Warmest month
12,9°C
Coldest month
-17,6°C
Mean alt.
2 357m
Min
1 570m
Max
3 071m
Std. dev.
398m
Köppen-Geiger (dominant)
ETPolar, tundra(61 %)Polar

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

Soil & lithology

pH H₂O

5,5

Org. C

65,9g/kg

Clay

17,6%

Sand

47,9%

Silt

34,4%

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

Dominant lithology: scGLiMaggregated to Albula

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
97,3g/kg
Clay
18,2%
Sand
47,4%
Silt
34,4%
5–15 cm
pH H₂O
5,5
Org. C
62,1g/kg
Clay
17,2%
Sand
48,1%
Silt
34,7%
15–30 cm
pH H₂O
5,6
Org. C
38,3g/kg
Clay
17,5%
Sand
48,2%
Silt
34,2%

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

Land cover

Forest10.9%
Crops0.2%
Built-up0.1%
Bare soil22.4%
Other (grassland, water…)66.5%

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

Hydrology2 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

2,4km

Basins crossed

2

Max stream order

2

Max drainage

1 681km²

Discharge in basins

0,7m³/s

Mean precip.

1 402mm/an

Mean T°

1,3°C

Moisture idx

0,65

Max snow

54%

Mean runoff

1 060mm/an

Mean elev. (basins)

2 070m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

4,7%

Pesticides

0,1kg/km²

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

Protected areas20

IUCN IV · 14IUCN Ia · 4IUCN Not Assigned · 2

Clavo Soura

IUCN IV

Federal Inventory of Dry Grasslands and Pastures of National Importance · 2021

1 km²

Drosa

IUCN IV

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

0 km²

Val Savriez

IUCN IV

Federal Inventory of Fenlands of National Importance · 1994

0 km²

Pale Radonda

IUCN IV

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

0 km²

Tgeps

IUCN IV

Federal Inventory of Fenlands of National Importance · 2020

0 km²

Complete list

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