Ontologia

Commune · VNM

Hạ Trạch

Vietnam

AmTropical, monsoon(100 %)

Species observed

2

Observations

2

Area

18,4km²

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

2 distinct species · 2 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 obs · 1 cellules
Obs. / cellule
≥ 2
2–1
2–1
2–1
< 2

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

Climate

Mean T°

24,8°C

Annual rain

2 449mm

Warmest m°

31,7°C

Coldest m°

17,4°C

Elevation: 30 m on average (min 1 m, max 92 m)

Bioclimatic detailsExpert
Annual mean temp.
24,8°C
Annual rain
2 449mm
Warmest month
31,7°C
Coldest month
17,4°C
Mean alt.
30m
Min
1m
Max
92m
Std. dev.
30m
Köppen-Geiger (dominant)
AmTropical, monsoon(100 %)Tropical

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,7

Org. C

36,8g/kg

Clay

35,6%

Sand

32,7%

Silt

31,6%

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

Dominant lithology: paGLiMaggregated to Bố Trạch

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
52,1g/kg
Clay
33,9%
Sand
33,8%
Silt
32,2%
5–15 cm
pH H₂O
5,7
Org. C
34,0g/kg
Clay
35,0%
Sand
33,0%
Silt
32,1%
15–30 cm
pH H₂O
5,7
Org. C
24,3g/kg
Clay
38,1%
Sand
31,5%
Silt
30,5%

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

Land cover

Forest45.1%
Crops16.4%
Built-up0.7%
Bare soil3.1%
Other (grassland, water…)34.8%

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

Hydrology3 basins · 1 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

1,0km

Lake surface here

0,30km²

Basins crossed

3

Max stream order

5

Max drainage

2 582km²

Discharge in basins

0,6m³/s

Mean precip.

2 322mm/an

Mean T°

23,8°C

Moisture idx

0,42

Mean runoff

1 329mm/an

Mean elev. (basins)

329m

Watersheds crossing here

Lakes (1, top by area)

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

2hab/km²

Night light

0,7nW

Built-up

65,7%

Pesticides

12,1kg/km²

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