Ontologia

Commune · CHN

Maqên

China

ETPolar, tundra(91 %)

Species observed

893

Observations

3 064

Area

13 474,7km²

Ecological tissue

Not enough documented interactions to build a meaningful graph for this territory.

Species present

893 distinct species · 3 064 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 064 obs · 67 cellules
Obs. / cellule
≥ 752
133–751
38–132
9–37
< 9

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

Climate

Mean T°

-4,4°C

Annual rain

833mm

Warmest m°

12,2°C

Coldest m°

-25,1°C

Elevation: 4 296 m on average (min 3 109 m, max 5 856 m)

Bioclimatic detailsExpert
Annual mean temp.
-4,4°C
Annual rain
833mm
Warmest month
12,2°C
Coldest month
-25,1°C
Mean alt.
4 296m
Min
3 109m
Max
5 856m
Std. dev.
346m
Köppen-Geiger (dominant)
ETPolar, tundra(91 %)Polar

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

Soil & lithology

pH H₂O

7,2

Org. C

44,3g/kg

Clay

18,3%

Sand

37,6%

Silt

44,1%

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

Dominant lithology: ssGLiMaggregated to Golog Tibetan

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,2
Org. C
60,3g/kg
Clay
17,4%
Sand
38,3%
Silt
44,3%
5–15 cm
pH H₂O
7,3
Org. C
46,8g/kg
Clay
18,4%
Sand
37,6%
Silt
44,1%
15–30 cm
pH H₂O
7,3
Org. C
25,8g/kg
Clay
19,3%
Sand
36,9%
Silt
43,8%

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

Land cover

Forest2.3%
Crops0.0%
Built-up0.0%
Bare soil14.7%
Other (grassland, water…)83.0%

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

Hydrology41 basins · 0 lakes · 12 rivers

Hydrology metrics for this exact territory

Stream length here

1 092,4km

Basins crossed

41

Max stream order

6

Max drainage

107 677km²

Discharge in basins

1 323,3m³/s

Mean precip.

489mm/an

Mean T°

-3,2°C

Moisture idx

-0,18

Max snow

20%

Mean runoff

94mm/an

Mean elev. (basins)

4 282m

Watersheds crossing here

32 more basins

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

0,8%

Pesticides

0,1kg/km²

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