Ontologia

Commune · CHN

Yima

China

DwaCold, dry winter, hot summer(87 %)

Species observed

31

Observations

38

Area

120km²

Ecological tissue

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

Species present

31 distinct species · 38 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

38 obs · 1 cellules
Obs. / cellule
≥ 38
38–37
38–37
38–37
< 38

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

Climate

Mean T°

13,3°C

Annual rain

620mm

Warmest m°

29,7°C

Coldest m°

-5,6°C

Elevation: 505 m on average (min 369 m, max 665 m)

Bioclimatic detailsExpert
Annual mean temp.
13,3°C
Annual rain
620mm
Warmest month
29,7°C
Coldest month
-5,6°C
Mean alt.
505m
Min
369m
Max
665m
Std. dev.
75m
Köppen-Geiger (dominant)
DwaCold, dry winter, hot summer(87 %)Cold

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

Soil & lithology

pH H₂O

7,9

Org. C

16,5g/kg

Clay

25,7%

Sand

26,0%

Silt

48,3%

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

Dominant lithology: suGLiMaggregated to Sanmenxia

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,9
Org. C
28,7g/kg
Clay
24,9%
Sand
26,2%
Silt
48,9%
5–15 cm
pH H₂O
7,9
Org. C
12,2g/kg
Clay
25,9%
Sand
26,0%
Silt
48,1%
15–30 cm
pH H₂O
7,9
Org. C
8,5g/kg
Clay
26,4%
Sand
25,8%
Silt
47,8%

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

Land cover

Forest12.8%
Crops27.5%
Built-up4.5%
Bare soil2.2%
Other (grassland, water…)53.0%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

40,2km

Basins crossed

1

Max stream order

3

Max drainage

1 377km²

Discharge in basins

0,4m³/s

Mean precip.

597mm/an

Mean T°

12,9°C

Moisture idx

-0,49

Max snow

1%

Mean runoff

97mm/an

Mean elev. (basins)

460m

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

9hab/km²

Night light

4,2nW

Built-up

450,4%

Pesticides

73,2kg/km²

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