Ontologia

Canton · che

Graubünden

Switzerland

ETPolar, tundra(45 %)

Species observed

17 776

Observations

2 901 357

Area

7 062,7km²

Ecological tissue

Sample of 34 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 Graubünden : 20 espèces reliées par 133 interactions GloBI sur 5 types (connectance 21.1%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
133
Connectance
0.211
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

17 776 distinct species · 2 901 357 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 901 357 obs · 198 cellules
Obs. / cellule
≥ 68 871
33 535–68 870
17 180–33 534
12 102–17 179
< 12 102

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

Climate

Mean T°

0,4°C

Annual rain

1 635mm

Warmest m°

14,9°C

Coldest m°

-15,2°C

Elevation: 2 017 m on average (min 396 m, max 3 603 m)

Bioclimatic detailsExpert
Annual mean temp.
0,4°C
Annual rain
1 635mm
Warmest month
14,9°C
Coldest month
-15,2°C
Mean alt.
2 017m
Min
396m
Max
3 603m
Std. dev.
549m
Köppen-Geiger (dominant)
ETPolar, tundra(45 %)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

64,7g/kg

Clay

19,5%

Sand

43,8%

Silt

36,7%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
95,4g/kg
Clay
20,1%
Sand
43,0%
Silt
36,9%
5–15 cm
pH H₂O
5,6
Org. C
61,2g/kg
Clay
19,3%
Sand
43,7%
Silt
37,0%
15–30 cm
pH H₂O
5,6
Org. C
37,6g/kg
Clay
19,0%
Sand
44,8%
Silt
36,2%

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

Land cover

Forest21.3%
Crops0.9%
Built-up0.2%
Bare soil16.2%
Other (grassland, water…)61.4%

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

Hydrology17 basins · 19 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

1 623,3km

Lake surface here

15,99km²

Basins crossed

17

Max stream order

5

Max drainage

4 871km²

Discharge in basins

323,0m³/s

Mean precip.

1 380mm/an

Mean T°

1,8°C

Moisture idx

0,61

Max snow

54%

Mean runoff

1 069mm/an

Mean elev. (basins)

1 961m

Watersheds crossing here

8 more basins

Lakes (19, top by area)

10 more lakes

Rivers / streams (100, ord ≥ 4)

88 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

22,9%

Pesticides

17,2kg/km²

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

Protected areas100

IUCN Not Assigned · 38IUCN IV · 36IUCN Not Reported · 22IUCN II · 1IUCN Not Applicable · 1IUCN Ia · 1IUCN V · 1📍 Point sites · 1
Complete list

+ 40 protected areas (top 60 shown)

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

Sub-administrations47