Ontologia

Commune · VNM

Sơn Nam

Vietnam

CwaTemperate, dry winter, hot summer(100 %)

Species observed

1

Observations

2

Area

20,5km²

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

1 distinct species · 2 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 obs · 1 cellules
Obs. / cellule
≥ 2
2–1
2–1
2–1
< 2

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 907mm

Warmest m°

31,5°C

Coldest m°

13,0°C

Elevation: 68 m on average (min 43 m, max 158 m)

Bioclimatic detailsExpert
Annual mean temp.
23,8°C
Annual rain
1 907mm
Warmest month
31,5°C
Coldest month
13,0°C
Mean alt.
68m
Min
43m
Max
158m
Std. dev.
34m
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

5,8

Org. C

22,8g/kg

Clay

35,6%

Sand

27,2%

Silt

37,1%

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

Dominant lithology: smGLiMaggregated to Sơn Dương

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
30,1g/kg
Clay
36,3%
Sand
27,5%
Silt
36,3%
5–15 cm
pH H₂O
5,8
Org. C
24,0g/kg
Clay
35,2%
Sand
27,5%
Silt
37,3%
15–30 cm
pH H₂O
5,8
Org. C
14,4g/kg
Clay
35,5%
Sand
26,7%
Silt
37,8%

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

Land cover

Forest42.0%
Crops25.8%
Built-up1.7%
Bare soil2.5%
Other (grassland, water…)28.0%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

6,5km

Basins crossed

1

Max stream order

4

Max drainage

1 895km²

Discharge in basins

0,6m³/s

Mean precip.

1 701mm/an

Mean T°

22,4°C

Moisture idx

0,23

Mean runoff

875mm/an

Mean elev. (basins)

206m

Watersheds crossing here

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

Human pressure

Pop. density

3hab/km²

Night light

0,5nW

Built-up

165,8%

Pesticides

8,4kg/km²

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