Ontologia

Commune · VNM

Vân An

Vietnam

CwaTemperate, dry winter, hot summer(100 %)

Species observed

1

Observations

1

Area

18,8km²

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

1 distinct species · 1 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 obs · 1 cellules
Obs. / cellule
≥ 1
1–0
1–0
1–0
< 1

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

Climate

Mean T°

18,9°C

Annual rain

1 941mm

Warmest m°

26,7°C

Coldest m°

7,4°C

Elevation: 867 m on average (min 840 m, max 974 m)

Bioclimatic detailsExpert
Annual mean temp.
18,9°C
Annual rain
1 941mm
Warmest month
26,7°C
Coldest month
7,4°C
Mean alt.
867m
Min
840m
Max
974m
Std. dev.
27m
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

5,8

Org. C

25,1g/kg

Clay

35,0%

Sand

15,2%

Silt

49,7%

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

Dominant lithology: scGLiMaggregated to Hà Quảng

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
37,6g/kg
Clay
33,8%
Sand
16,1%
Silt
50,0%
5–15 cm
pH H₂O
5,8
Org. C
23,3g/kg
Clay
33,5%
Sand
15,9%
Silt
50,7%
15–30 cm
pH H₂O
5,8
Org. C
14,5g/kg
Clay
37,8%
Sand
13,8%
Silt
48,4%

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

Land cover

Forest64.4%
Crops5.1%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)30.3%

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

Hydrology1 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

1

Max drainage

968km²

Discharge in basins

0,4m³/s

Mean precip.

1 504mm/an

Mean T°

19,9°C

Moisture idx

0,16

Mean runoff

643mm/an

Mean elev. (basins)

731m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Built-up

11,5%

Pesticides

12,5kg/km²

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