Ontologia

Commune · VNM

Sơn Đà

Vietnam

CwaTemperate, dry winter, hot summer(100 %)

Species observed

19

Observations

20

Area

13km²

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

19 distinct species · 20 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

20 obs · 1 cellules
Obs. / cellule
≥ 20
20–19
20–19
20–19
< 20

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

Climate

Mean T°

24,0°C

Annual rain

1 640mm

Warmest m°

32,2°C

Coldest m°

13,3°C

Elevation: 21 m on average (min 14 m, max 49 m)

Bioclimatic detailsExpert
Annual mean temp.
24,0°C
Annual rain
1 640mm
Warmest month
32,2°C
Coldest month
13,3°C
Mean alt.
21m
Min
14m
Max
49m
Std. dev.
7m
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

19,5g/kg

Clay

29,9%

Sand

27,6%

Silt

42,5%

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

Dominant lithology: pbGLiMaggregated to Ba Vì

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
24,9g/kg
Clay
29,7%
Sand
28,3%
Silt
42,0%
5–15 cm
pH H₂O
6,0
Org. C
18,9g/kg
Clay
28,4%
Sand
28,1%
Silt
43,5%
15–30 cm
pH H₂O
6,0
Org. C
14,7g/kg
Clay
31,6%
Sand
26,3%
Silt
42,0%

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

Land cover

Forest28.3%
Crops23.7%
Built-up3.2%
Bare soil6.9%
Other (grassland, water…)37.8%

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

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

6,8km

Basins crossed

1

Max stream order

6

Max drainage

51 221km²

Discharge in basins

10,2m³/s

Mean precip.

1 661mm/an

Mean T°

22,4°C

Moisture idx

0,21

Mean runoff

938mm/an

Mean elev. (basins)

279m

Watersheds crossing here

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

Human pressure

Pop. density

5hab/km²

Night light

1,4nW

Built-up

323,3%

Pesticides

8,3kg/km²

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