Ontologia

District · CHE

Maloja

Switzerland

ETPolar, tundra(67 %)

Species observed

6 887

Observations

328 273

Area

961,4km²

Ecological tissue

Sample of 28 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 Maloja : 16 espèces reliées par 67 interactions GloBI sur 5 types (connectance 14.4%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
67
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

6 887 distinct species · 328 273 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

328 273 obs · 27 cellules
Obs. / cellule
≥ 53 402
27 603–53 401
13 089–27 602
8 105–13 088
< 8 105

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

Climate

Mean T°

-1,7°C

Annual rain

1 617mm

Warmest m°

12,9°C

Coldest m°

-17,9°C

Elevation: 2 382 m on average (min 1 042 m, max 3 603 m)

Bioclimatic detailsExpert
Annual mean temp.
-1,7°C
Annual rain
1 617mm
Warmest month
12,9°C
Coldest month
-17,9°C
Mean alt.
2 382m
Min
1 042m
Max
3 603m
Std. dev.
405m
Köppen-Geiger (dominant)
ETPolar, tundra(67 %)Polar

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

Soil & lithology

pH H₂O

5,7

Org. C

60,0g/kg

Clay

18,0%

Sand

46,0%

Silt

36,1%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
91,6g/kg
Clay
18,2%
Sand
45,3%
Silt
36,5%
5–15 cm
pH H₂O
5,8
Org. C
54,6g/kg
Clay
17,6%
Sand
45,8%
Silt
36,6%
15–30 cm
pH H₂O
5,8
Org. C
33,7g/kg
Clay
18,0%
Sand
46,9%
Silt
35,2%

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

Land cover

Forest10.8%
Crops0.4%
Built-up0.1%
Bare soil25.0%
Other (grassland, water…)63.6%

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

Hydrology6 basins · 6 lakes · 33 rivers

Hydrology metrics for this exact territory

Stream length here

265,2km

Lake surface here

7,65km²

Basins crossed

6

Max stream order

4

Max drainage

2 743km²

Discharge in basins

31,3m³/s

Mean precip.

1 359mm/an

Mean T°

0,3°C

Moisture idx

0,66

Max snow

54%

Mean runoff

1 046mm/an

Mean elev. (basins)

2 271m

Watersheds crossing here

Lakes (6, top by area)

Rivers / streams (33, ord ≥ 4)

21 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

14,0%

Pesticides

18,4kg/km²

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

Protected areas100

IUCN IV · 69IUCN Not Assigned · 17IUCN Not Reported · 7IUCN Ia · 6IUCN II · 1
Complete list

+ 40 protected areas (top 60 shown)

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

Sub-administrations16