Ontologia

Commune · CHN

Zhangjiakou

China

BSkArid, steppe, cold(95 %)

Area

420,9km²

Ecological tissue

Graphe en cours d’indexation

Calcul du tissu écologique de cette entité.

Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).

Species present

Computing species observations from GBIF…

Densité d'observations

0 obs · 0 cellules

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

8,6°C

Annual rain

369mm

Warmest m°

29,1°C

Coldest m°

-15,5°C

Elevation: 810 m on average (min 584 m, max 1 432 m)

Bioclimatic detailsExpert
Annual mean temp.
8,6°C
Annual rain
369mm
Warmest month
29,1°C
Coldest month
-15,5°C
Mean alt.
810m
Min
584m
Max
1 432m
Std. dev.
192m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(95 %)Arid

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

Soil & lithology

pH H₂O

8,1

Org. C

12,8g/kg

Clay

24,5%

Sand

36,8%

Silt

38,6%

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

Dominant lithology: paGLiMaggregated to Zhangjiakou

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,0
Org. C
16,1g/kg
Clay
22,6%
Sand
37,9%
Silt
39,4%
5–15 cm
pH H₂O
8,1
Org. C
11,9g/kg
Clay
24,1%
Sand
37,2%
Silt
38,7%
15–30 cm
pH H₂O
8,1
Org. C
10,4g/kg
Clay
26,9%
Sand
35,4%
Silt
37,7%

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

Land cover

Forest8.7%
Crops22.7%
Built-up7.6%
Bare soil4.3%
Other (grassland, water…)56.7%

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

Hydrology

Computing basins, lakes, rivers…

Human pressure

Pop. density

15hab/km²

Night light

10,4nW

Built-up

758,7%

Pesticides

71,5kg/km²

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