Ontologia

Commune · CHN

Cheng'an

China

BSkArid, steppe, cold(99 %)

Species observed

10

Observations

10

Area

493,5km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

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

Species present

10 distinct species · 10 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

10 obs · 2 cellules
Obs. / cellule
≥ 9
9–8
9–8
9–8
< 9

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

Climate

Mean T°

14,6°C

Annual rain

539mm

Warmest m°

32,1°C

Coldest m°

-5,8°C

Elevation: 57 m on average (min 49 m, max 67 m)

Bioclimatic detailsExpert
Annual mean temp.
14,6°C
Annual rain
539mm
Warmest month
32,1°C
Coldest month
-5,8°C
Mean alt.
57m
Min
49m
Max
67m
Std. dev.
4m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(99 %)Arid

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

Soil & lithology

pH H₂O

8,2

Org. C

8,3g/kg

Clay

27,4%

Sand

21,2%

Silt

51,4%

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

Dominant lithology: scGLiMaggregated to Handan

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,2
Org. C
10,1g/kg
Clay
26,4%
Sand
21,8%
Silt
51,8%
5–15 cm
pH H₂O
8,2
Org. C
8,4g/kg
Clay
27,2%
Sand
21,5%
Silt
51,3%
15–30 cm
pH H₂O
8,2
Org. C
6,3g/kg
Clay
28,6%
Sand
20,2%
Silt
51,2%

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

Land cover

Forest3.8%
Crops70.1%
Built-up4.9%
Bare soil1.8%
Other (grassland, water…)19.4%

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

Hydrology6 basins · 1 lakes · 0 rivers

Hydrology metrics for this exact territory

Lake surface here

0,09km²

Basins crossed

6

Max drainage

19 912km²

Discharge in basins

2,0m³/s

Mean precip.

539mm/an

Mean T°

13,7°C

Moisture idx

-0,54

Max snow

1%

Mean runoff

32mm/an

Mean elev. (basins)

71m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

5hab/km²

Night light

1,9nW

Built-up

490,1%

Pesticides

69,4kg/km²

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