Ontologia

Commune · VNM

Nham Sơn

Vietnam

CwaTemperate, dry winter, hot summer(100 %)

Species observed

2

Observations

2

Area

10,6km²

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

2 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 899mm

Warmest m°

32,1°C

Coldest m°

12,9°C

Elevation: 28 m on average (min 3 m, max 75 m)

Bioclimatic detailsExpert
Annual mean temp.
23,8°C
Annual rain
1 899mm
Warmest month
32,1°C
Coldest month
12,9°C
Mean alt.
28m
Min
3m
Max
75m
Std. dev.
25m
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

18,9g/kg

Clay

31,7%

Sand

26,0%

Silt

42,3%

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

Dominant lithology: suGLiMaggregated to Yên Dũng

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
26,0g/kg
Clay
30,1%
Sand
27,2%
Silt
42,6%
5–15 cm
pH H₂O
6,1
Org. C
18,2g/kg
Clay
30,3%
Sand
26,7%
Silt
42,9%
15–30 cm
pH H₂O
6,1
Org. C
12,4g/kg
Clay
34,7%
Sand
23,9%
Silt
41,4%

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

Land cover

Forest30.1%
Crops38.9%
Built-up2.5%
Bare soil0.8%
Other (grassland, water…)27.7%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

0,1km

Basins crossed

2

Max stream order

1

Max drainage

5 705km²

Discharge in basins

3,2m³/s

Mean precip.

1 646mm/an

Mean T°

23,8°C

Moisture idx

0,21

Mean runoff

793mm/an

Mean elev. (basins)

15m

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

3hab/km²

Night light

2,9nW

Built-up

252,8%

Pesticides

8,5kg/km²

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