Ontologia

Commune · CHE

Samedan

Switzerland

ETPolar, tundra(79 %)

Species observed

1 194

Observations

8 540

Area

111km²

Ecological tissue

Sample of 24 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 Samedan : 13 espèces reliées par 61 interactions GloBI sur 5 types (connectance 18.8%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
61
Connectance
0.188
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

1 194 distinct species · 8 540 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

8 540 obs · 2 cellules
Obs. / cellule
≥ 6 854
6 854–6 853
6 854–6 853
6 854–6 853
< 6 854

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

Climate

Mean T°

-2,8°C

Annual rain

1 613mm

Warmest m°

11,9°C

Coldest m°

-19,1°C

Elevation: 2 531 m on average (min 1 710 m, max 3 366 m)

Bioclimatic detailsExpert
Annual mean temp.
-2,8°C
Annual rain
1 613mm
Warmest month
11,9°C
Coldest month
-19,1°C
Mean alt.
2 531m
Min
1 710m
Max
3 366m
Std. dev.
377m
Köppen-Geiger (dominant)
ETPolar, tundra(79 %)Polar

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

Soil & lithology

pH H₂O

5,8

Org. C

55,5g/kg

Clay

17,6%

Sand

45,2%

Silt

37,2%

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

Dominant lithology: mtGLiMaggregated to Maloja

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
85,1g/kg
Clay
18,0%
Sand
44,5%
Silt
37,5%
5–15 cm
pH H₂O
5,8
Org. C
49,1g/kg
Clay
17,1%
Sand
45,1%
Silt
37,8%
15–30 cm
pH H₂O
5,8
Org. C
32,4g/kg
Clay
17,8%
Sand
45,9%
Silt
36,2%

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

Land cover

Forest6.1%
Crops0.4%
Built-up0.2%
Bare soil27.4%
Other (grassland, water…)65.9%

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

Hydrology3 basins · 0 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

29,6km

Basins crossed

3

Max stream order

4

Max drainage

2 615km²

Discharge in basins

3,5m³/s

Mean precip.

1 368mm/an

Mean T°

-0,6°C

Moisture idx

0,69

Max snow

54%

Mean runoff

1 026mm/an

Mean elev. (basins)

2 419m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

19,5%

Pesticides

10,0kg/km²

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

Protected areas20

IUCN IV · 15IUCN Not Assigned · 3IUCN Not Reported · 1IUCN Ia · 1

Val Roseg

IUCN Not Assigned

Emerald Sites · 2009

18 km²

Val Roseg

IUCN Not Reported

Emerald Network

18 km²

Vadret da Roseg

IUCN IV

Federal Inventory of Alluvial Zones of National Importance · 2001

6 km²

Complete list

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