Ontologia

Commune · VNM

Chiềng Ngần

Vietnam

CwaTemperate, dry winter, hot summer(100 %)

Species observed

1

Observations

7

Area

45,5km²

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

1 distinct species · 7 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

7 obs · 1 cellules
Obs. / cellule
≥ 7
7–6
7–6
7–6
< 7

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

Climate

Mean T°

21,9°C

Annual rain

1 256mm

Warmest m°

28,9°C

Coldest m°

10,6°C

Elevation: 662 m on average (min 453 m, max 801 m)

Bioclimatic detailsExpert
Annual mean temp.
21,9°C
Annual rain
1 256mm
Warmest month
28,9°C
Coldest month
10,6°C
Mean alt.
662m
Min
453m
Max
801m
Std. dev.
51m
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

5,5

Org. C

22,4g/kg

Clay

36,1%

Sand

30,8%

Silt

33,0%

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

Dominant lithology: scGLiMaggregated to Sơn La

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
34,0g/kg
Clay
34,7%
Sand
31,9%
Silt
33,4%
5–15 cm
pH H₂O
5,5
Org. C
21,2g/kg
Clay
35,5%
Sand
31,0%
Silt
33,5%
15–30 cm
pH H₂O
5,5
Org. C
12,1g/kg
Clay
38,3%
Sand
29,5%
Silt
32,2%

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

Land cover

Forest54.8%
Crops13.8%
Built-up0.3%
Bare soil0.3%
Other (grassland, water…)30.8%

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

Hydrology1 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

1

Max drainage

1 389km²

Discharge in basins

0,8m³/s

Mean precip.

1 475mm/an

Mean T°

20,4°C

Moisture idx

0,08

Mean runoff

578mm/an

Mean elev. (basins)

799m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,5nW

Built-up

25,8%

Pesticides

8,4kg/km²

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