Ontologia

Commune · CHE

Bergün/Bravuogn

Switzerland

ETPolar, tundra(65 %)

Species observed

3 533

Observations

44 277

Area

142,6km²

Ecological tissue

Sample of 27 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 Bergün/Bravuogn : 18 espèces reliées par 63 interactions GloBI sur 5 types (connectance 16.7%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
63
Connectance
0.167
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

3 533 distinct species · 44 277 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

44 277 obs · 3 cellules
Obs. / cellule
≥ 25 146
25 146–25 145
25 146–25 145
12 810–25 145
< 12 810

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

Climate

Mean T°

-1,3°C

Annual rain

1 474mm

Warmest m°

13,4°C

Coldest m°

-17,1°C

Elevation: 2 275 m on average (min 1 343 m, max 2 973 m)

Bioclimatic detailsExpert
Annual mean temp.
-1,3°C
Annual rain
1 474mm
Warmest month
13,4°C
Coldest month
-17,1°C
Mean alt.
2 275m
Min
1 343m
Max
2 973m
Std. dev.
356m
Köppen-Geiger (dominant)
ETPolar, tundra(65 %)Polar

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

Soil & lithology

pH H₂O

5,2

Org. C

65,1g/kg

Clay

17,6%

Sand

47,9%

Silt

34,5%

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
5,1
Org. C
96,2g/kg
Clay
18,5%
Sand
47,0%
Silt
34,6%
5–15 cm
pH H₂O
5,2
Org. C
62,4g/kg
Clay
17,1%
Sand
47,8%
Silt
35,0%
15–30 cm
pH H₂O
5,3
Org. C
36,6g/kg
Clay
17,2%
Sand
48,9%
Silt
33,9%

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

Land cover

Forest16.2%
Crops0.1%
Built-up0.1%
Bare soil24.3%
Other (grassland, water…)59.3%

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

Hydrology2 basins · 0 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

47,9km

Basins crossed

2

Max stream order

3

Max drainage

1 681km²

Discharge in basins

4,5m³/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 069m

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

7,9%

Pesticides

32,4kg/km²

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

Protected areas33

IUCN Not Assigned · 21IUCN IV · 12

Piz Ela

IUCN IV

Federal Hunting Reserves · 1992

39 km²

God Urmena

IUCN Not Assigned

Forest Reserves · 2023

1 km²

Blais Torta

IUCN IV

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

0 km²

Pro d'Men

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