Ontologia

Commune · VNM

Hiền Đa

Vietnam

CwaTemperate, dry winter, hot summer(100 %)

Species observed

2

Observations

2

Area

2,3km²

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

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°

24,1°C

Annual rain

1 596mm

Warmest m°

32,0°C

Coldest m°

13,3°C

Elevation: 19 m on average (min 18 m, max 20 m)

Bioclimatic detailsExpert
Annual mean temp.
24,1°C
Annual rain
1 596mm
Warmest month
32,0°C
Coldest month
13,3°C
Mean alt.
19m
Min
18m
Max
20m
Std. dev.
0m
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

5,9

Org. C

19,3g/kg

Clay

28,6%

Sand

28,0%

Silt

43,5%

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

Dominant lithology: pbGLiMaggregated to Cẩm Khê

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
24,8g/kg
Clay
27,4%
Sand
29,2%
Silt
43,4%
5–15 cm
pH H₂O
5,9
Org. C
19,8g/kg
Clay
27,6%
Sand
28,4%
Silt
44,1%
15–30 cm
pH H₂O
5,9
Org. C
13,3g/kg
Clay
30,7%
Sand
26,4%
Silt
42,9%

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

Land cover

Forest8.0%
Crops38.2%
Built-up3.9%
Bare soil15.1%
Other (grassland, water…)34.8%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

1,7km

Basins crossed

1

Max stream order

6

Max drainage

47 031km²

Discharge in basins

0,7m³/s

Mean precip.

1 720mm/an

Mean T°

22,4°C

Moisture idx

0,21

Mean runoff

839mm/an

Mean elev. (basins)

223m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

4hab/km²

Night light

0,9nW

Built-up

387,5%

Pesticides

8,1kg/km²

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