Ontologia

Commune · VNM

Vân Hà

Vietnam

CwaTemperate, dry winter, hot summer(100 %)

Species observed

3

Observations

4

Area

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

3 distinct species · 4 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 obs · 1 cellules
Obs. / cellule
≥ 4
4–3
4–3
4–3
< 4

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 776mm

Warmest m°

32,3°C

Coldest m°

13,5°C

Elevation: 11 m on average (min 9 m, max 13 m)

Bioclimatic detailsExpert
Annual mean temp.
24,2°C
Annual rain
1 776mm
Warmest month
32,3°C
Coldest month
13,5°C
Mean alt.
11m
Min
9m
Max
13m
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

19,7g/kg

Clay

30,6%

Sand

29,4%

Silt

40,0%

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

Dominant lithology: suGLiMaggregated to Phúc Thọ

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
26,4g/kg
Clay
30,4%
Sand
30,1%
Silt
39,6%
5–15 cm
pH H₂O
6,1
Org. C
19,3g/kg
Clay
30,3%
Sand
29,3%
Silt
40,4%
15–30 cm
pH H₂O
6,1
Org. C
13,3g/kg
Clay
31,2%
Sand
28,8%
Silt
40,0%

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

Land cover

Forest11.4%
Crops14.7%
Built-up1.0%
Bare soil8.7%
Other (grassland, water…)64.2%

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

Hydrology3 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

1,1km

Basins crossed

3

Max stream order

8

Max drainage

137 514km²

Discharge in basins

281,5m³/s

Mean precip.

1 703mm/an

Mean T°

23,3°C

Moisture idx

0,22

Mean runoff

890mm/an

Mean elev. (basins)

43m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

1hab/km²

Night light

1,0nW

Built-up

99,4%

Pesticides

7,8kg/km²

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