Ontologia

Commune · VNM

Viên Sơn

Vietnam

CwaTemperate, dry winter, hot summer(100 %)

Species observed

23

Observations

35

Area

3,2km²

Ecological tissue

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

Species present

23 distinct species · 35 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

35 obs · 1 cellules
Obs. / cellule
≥ 35
35–34
35–34
35–34
< 35

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

Climate

Mean T°

24,2°C

Annual rain

1 667mm

Warmest m°

32,3°C

Coldest m°

13,6°C

Elevation: 11 m on average (min 11 m, max 12 m)

Bioclimatic detailsExpert
Annual mean temp.
24,2°C
Annual rain
1 667mm
Warmest month
32,3°C
Coldest month
13,6°C
Mean alt.
11m
Min
11m
Max
12m
Std. dev.
1m
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

6,0

Org. C

17,7g/kg

Clay

29,7%

Sand

27,9%

Silt

42,4%

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

Dominant lithology: smGLiMaggregated to Sơn Tây

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
23,2g/kg
Clay
30,1%
Sand
28,1%
Silt
41,7%
5–15 cm
pH H₂O
6,0
Org. C
17,3g/kg
Clay
29,0%
Sand
27,9%
Silt
43,1%
15–30 cm
pH H₂O
6,0
Org. C
12,6g/kg
Clay
30,1%
Sand
27,6%
Silt
42,3%

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

Land cover

Forest14.5%
Crops20.4%
Built-up9.3%
Bare soil1.6%
Other (grassland, water…)54.2%

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

Hydrology2 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

2

Max drainage

135 136km²

Discharge in basins

140,1m³/s

Mean precip.

1 707mm/an

Mean T°

23,5°C

Moisture idx

0,22

Mean runoff

899mm/an

Mean elev. (basins)

18m

Watersheds crossing here

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

Human pressure

Pop. density

25hab/km²

Night light

8,2nW

Built-up

925,0%

Pesticides

8,0kg/km²

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