Ontologia

Commune · CHN

Jiahe

China

CfaTemperate, no dry season, hot summer(100 %)

Species observed

18

Observations

29

Area

702,3km²

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

18 distinct species · 29 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

29 obs · 5 cellules
Obs. / cellule
≥ 11
11–10
8–10
8–7
< 8

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

Climate

Mean T°

18,8°C

Annual rain

1 672mm

Warmest m°

32,8°C

Coldest m°

2,8°C

Elevation: 273 m on average (min 164 m, max 706 m)

Bioclimatic detailsExpert
Annual mean temp.
18,8°C
Annual rain
1 672mm
Warmest month
32,8°C
Coldest month
2,8°C
Mean alt.
273m
Min
164m
Max
706m
Std. dev.
83m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate

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

Soil & lithology

pH H₂O

6,2

Org. C

19,6g/kg

Clay

33,1%

Sand

29,5%

Silt

37,4%

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

Dominant lithology: smGLiMaggregated to Chenzhou

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
28,5g/kg
Clay
32,5%
Sand
30,2%
Silt
37,3%
5–15 cm
pH H₂O
6,1
Org. C
17,0g/kg
Clay
32,6%
Sand
29,6%
Silt
37,8%
15–30 cm
pH H₂O
6,2
Org. C
13,2g/kg
Clay
34,0%
Sand
28,8%
Silt
37,2%

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

Land cover

Forest31.4%
Crops26.5%
Built-up1.8%
Bare soil1.8%
Other (grassland, water…)38.4%

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

Hydrology5 basins · 7 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

121,2km

Lake surface here

2,27km²

Basins crossed

5

Max stream order

5

Max drainage

6 657km²

Discharge in basins

35,8m³/s

Mean precip.

1 450mm/an

Mean T°

18,0°C

Moisture idx

0,19

Mean runoff

829mm/an

Mean elev. (basins)

336m

Watersheds crossing here

Lakes (7, top by area)

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

Human pressure

Pop. density

3hab/km²

Night light

0,6nW

Built-up

184,0%

Pesticides

78,2kg/km²

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