Ontologia

Commune · CHE

Davos

Switzerland

ETPolar, tundra(58 %)

Species observed

4 399

Observations

102 929

Area

250,1km²

Ecological tissue

Sample of 33 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 Davos : 20 espèces reliées par 76 interactions GloBI sur 5 types (connectance 14.4%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
76
Connectance
0.144
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

4 399 distinct species · 102 929 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

102 929 obs · 7 cellules
Obs. / cellule
≥ 33 882
33 882–33 881
20 336–33 881
11 828–20 335
< 11 828

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

Climate

Mean T°

-0,8°C

Annual rain

1 622mm

Warmest m°

13,8°C

Coldest m°

-16,6°C

Elevation: 2 168 m on average (min 1 456 m, max 2 901 m)

Bioclimatic detailsExpert
Annual mean temp.
-0,8°C
Annual rain
1 622mm
Warmest month
13,8°C
Coldest month
-16,6°C
Mean alt.
2 168m
Min
1 456m
Max
2 901m
Std. dev.
318m
Köppen-Geiger (dominant)
ETPolar, tundra(58 %)Polar

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

Soil & lithology

pH H₂O

5,3

Org. C

70,1g/kg

Clay

17,6%

Sand

47,6%

Silt

34,8%

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

Dominant lithology: suGLiMaggregated to Prättigau/Davos

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
100,8g/kg
Clay
18,2%
Sand
46,6%
Silt
35,2%
5–15 cm
pH H₂O
5,4
Org. C
66,2g/kg
Clay
17,5%
Sand
47,4%
Silt
35,0%
15–30 cm
pH H₂O
5,4
Org. C
43,5g/kg
Clay
17,0%
Sand
48,8%
Silt
34,2%

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

Land cover

Forest14.8%
Crops0.1%
Built-up0.3%
Bare soil16.2%
Other (grassland, water…)68.5%

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

Hydrology4 basins · 1 lakes · 12 rivers

Hydrology metrics for this exact territory

Stream length here

75,5km

Lake surface here

0,31km²

Basins crossed

4

Max stream order

3

Max drainage

4 871km²

Discharge in basins

9,4m³/s

Mean precip.

1 389mm/an

Mean T°

1,6°C

Moisture idx

0,64

Max snow

54%

Mean runoff

1 064mm/an

Mean elev. (basins)

2 011m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

25,1%

Pesticides

10,5kg/km²

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

Protected areas38

IUCN IV · 24IUCN Not Assigned · 12IUCN Ia · 2

Steigrügg

IUCN Not Assigned

Forest Reserves · 2023

1 km²

Parsenn

IUCN IV

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

1 km²

Strelaberg

IUCN IV

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

0 km²

Seewer Berg

IUCN IV

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

0 km²

Büschalp

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