Ontologia

Commune · VNM

Sông Khoai

Vietnam

CwaTemperate, dry winter, hot summer(100 %)

Species observed

8

Observations

10

Area

18,7km²

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

8 distinct species · 10 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

10 obs · 1 cellules
Obs. / cellule
≥ 10
10–9
10–9
10–9
< 10

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

Climate

Mean T°

23,8°C

Annual rain

1 890mm

Warmest m°

31,5°C

Coldest m°

13,5°C

Elevation: 13 m on average (min 1 m, max 78 m)

Bioclimatic detailsExpert
Annual mean temp.
23,8°C
Annual rain
1 890mm
Warmest month
31,5°C
Coldest month
13,5°C
Mean alt.
13m
Min
1m
Max
78m
Std. dev.
22m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, 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

6,1

Org. C

24,8g/kg

Clay

35,3%

Sand

25,7%

Silt

39,0%

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

Dominant lithology: smGLiMaggregated to Quảng Yên

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
32,9g/kg
Clay
34,0%
Sand
26,1%
Silt
39,8%
5–15 cm
pH H₂O
6,1
Org. C
24,1g/kg
Clay
34,2%
Sand
26,2%
Silt
39,6%
15–30 cm
pH H₂O
6,2
Org. C
17,4g/kg
Clay
37,5%
Sand
24,8%
Silt
37,7%

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

Land cover

Forest20.4%
Crops25.4%
Built-up2.7%
Bare soil1.5%
Other (grassland, water…)50.0%

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

Hydrology1 basins · 2 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

0,6km

Lake surface here

0,29km²

Basins crossed

1

Max stream order

2

Max drainage

1 443km²

Discharge in basins

0,1m³/s

Mean precip.

1 799mm/an

Mean T°

23,3°C

Moisture idx

0,31

Mean runoff

855mm/an

Mean elev. (basins)

96m

Watersheds crossing here

Lakes (2, top by area)

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

4hab/km²

Night light

4,4nW

Built-up

271,6%

Pesticides

8,5kg/km²

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