Ontologia

Commune · VNM

Tây Đằng

Vietnam

CwaTemperate, dry winter, hot summer(100 %)

Species observed

26

Observations

31

Area

14,4km²

Ecological tissue

Not enough documented interactions to build a meaningful graph for this territory.

Species present

26 distinct species · 31 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

31 obs · 1 cellules
Obs. / cellule
≥ 31
31–30
31–30
31–30
< 31

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 618mm

Warmest m°

32,2°C

Coldest m°

13,6°C

Elevation: 12 m on average (min 10 m, max 20 m)

Bioclimatic detailsExpert
Annual mean temp.
24,2°C
Annual rain
1 618mm
Warmest month
32,2°C
Coldest month
13,6°C
Mean alt.
12m
Min
10m
Max
20m
Std. dev.
2m
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

6,1

Org. C

21,6g/kg

Clay

30,5%

Sand

30,3%

Silt

39,3%

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

Dominant lithology: pbGLiMaggregated to Ba Vì

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
30,6g/kg
Clay
30,4%
Sand
31,1%
Silt
38,5%
5–15 cm
pH H₂O
6,0
Org. C
19,8g/kg
Clay
30,0%
Sand
30,4%
Silt
39,6%
15–30 cm
pH H₂O
6,1
Org. C
14,4g/kg
Clay
31,1%
Sand
29,3%
Silt
39,6%

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

Land cover

Forest17.6%
Crops25.4%
Built-up4.3%
Bare soil11.9%
Other (grassland, water…)40.8%

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

Hydrology2 basins · 1 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

4,5km

Lake surface here

0,43km²

Basins crossed

2

Max stream order

8

Max drainage

134 918km²

Discharge in basins

404,2m³/s

Mean precip.

1 635mm/an

Mean T°

23,4°C

Moisture idx

0,18

Mean runoff

888mm/an

Mean elev. (basins)

25m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

9hab/km²

Night light

2,2nW

Built-up

433,7%

Pesticides

8,1kg/km²

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