Ontologia

Commune · VNM

La Hiên

Vietnam

CwaTemperate, dry winter, hot summer(100 %)

Species observed

7

Observations

7

Area

38,8km²

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

7 distinct species · 7 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

7 obs · 1 cellules
Obs. / cellule
≥ 7
7–6
7–6
7–6
< 7

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

Climate

Mean T°

22,8°C

Annual rain

1 964mm

Warmest m°

30,7°C

Coldest m°

11,8°C

Elevation: 156 m on average (min 61 m, max 339 m)

Bioclimatic detailsExpert
Annual mean temp.
22,8°C
Annual rain
1 964mm
Warmest month
30,7°C
Coldest month
11,8°C
Mean alt.
156m
Min
61m
Max
339m
Std. dev.
56m
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

5,6

Org. C

25,4g/kg

Clay

33,4%

Sand

26,2%

Silt

40,4%

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

Dominant lithology: scGLiMaggregated to Võ Nhai

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
38,2g/kg
Clay
33,9%
Sand
26,3%
Silt
39,8%
5–15 cm
pH H₂O
5,6
Org. C
22,5g/kg
Clay
33,0%
Sand
26,7%
Silt
40,3%
15–30 cm
pH H₂O
5,6
Org. C
15,4g/kg
Clay
33,4%
Sand
25,6%
Silt
41,0%

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

Land cover

Forest61.1%
Crops11.2%
Built-up0.7%
Bare soil1.1%
Other (grassland, water…)25.9%

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

448km²

Discharge in basins

1,0m³/s

Mean precip.

1 845mm/an

Mean T°

22,9°C

Moisture idx

0,28

Mean runoff

795mm/an

Mean elev. (basins)

139m

Watersheds crossing here

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

Human pressure

Pop. density

3hab/km²

Night light

0,3nW

Built-up

68,8%

Pesticides

9,5kg/km²

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

Protected areas1

IUCN Not Reported · 1

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN