Ontologia

Commune · VNM

Vạn Yên

Vietnam

CwaTemperate, dry winter, hot summer(100 %)

Species observed

9

Observations

11

Area

3km²

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

9 distinct species · 11 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

11 obs · 1 cellules
Obs. / cellule
≥ 11
11–10
11–10
11–10
< 11

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 794mm

Warmest m°

32,3°C

Coldest m°

13,5°C

Elevation: 11 m on average (min 10 m, max 12 m)

Bioclimatic detailsExpert
Annual mean temp.
24,2°C
Annual rain
1 794mm
Warmest month
32,3°C
Coldest month
13,5°C
Mean alt.
11m
Min
10m
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

19,3g/kg

Clay

31,9%

Sand

31,3%

Silt

36,8%

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

Dominant lithology: suGLiMaggregated to Mê Linh

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
24,0g/kg
Clay
31,9%
Sand
32,1%
Silt
36,1%
5–15 cm
pH H₂O
6,0
Org. C
20,2g/kg
Clay
31,2%
Sand
31,1%
Silt
37,6%
15–30 cm
pH H₂O
6,0
Org. C
13,6g/kg
Clay
32,6%
Sand
30,7%
Silt
36,8%

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

Land cover

Forest13.1%
Crops36.3%
Built-up6.2%
Bare soil0.7%
Other (grassland, water…)43.8%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

0,1km

Basins crossed

1

Max stream order

4

Max drainage

1 895km²

Discharge in basins

0,1m³/s

Mean precip.

1 701mm/an

Mean T°

22,4°C

Moisture idx

0,23

Mean runoff

875mm/an

Mean elev. (basins)

206m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

9hab/km²

Night light

2,5nW

Built-up

615,9%

Pesticides

7,8kg/km²

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