Ontologia

Commune · VNM

Na Sầm

Vietnam

CwaTemperate, dry winter, hot summer(100 %)

Species observed

4

Observations

4

Area

1,6km²

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

4 distinct species · 4 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 obs · 1 cellules
Obs. / cellule
≥ 4
4–3
4–3
4–3
< 4

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

Climate

Mean T°

22,1°C

Annual rain

1 327mm

Warmest m°

30,5°C

Coldest m°

9,9°C

Elevation: 220 m on average (min 189 m, max 240 m)

Bioclimatic detailsExpert
Annual mean temp.
22,1°C
Annual rain
1 327mm
Warmest month
30,5°C
Coldest month
9,9°C
Mean alt.
220m
Min
189m
Max
240m
Std. dev.
16m
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

21,4g/kg

Clay

31,0%

Sand

23,6%

Silt

45,4%

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

Dominant lithology: scGLiMaggregated to Văn Lãng

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
32,3g/kg
Clay
29,4%
Sand
24,2%
Silt
46,5%
5–15 cm
pH H₂O
6,0
Org. C
19,3g/kg
Clay
29,9%
Sand
24,1%
Silt
46,0%
15–30 cm
pH H₂O
6,0
Org. C
12,5g/kg
Clay
33,8%
Sand
22,5%
Silt
43,7%

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

Land cover

Forest48.3%
Crops7.3%
Built-up4.5%
Bare soil1.1%
Other (grassland, water…)38.8%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

0,4km

Basins crossed

2

Max stream order

4

Max drainage

2 799km²

Discharge in basins

0,4m³/s

Mean precip.

1 194mm/an

Mean T°

22,1°C

Moisture idx

-0,12

Mean runoff

515mm/an

Mean elev. (basins)

264m

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

Human pressure

Pop. density

17hab/km²

Night light

1,5nW

Built-up

449,8%

Pesticides

8,1kg/km²

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