Ontologia

Commune · VNM

Sơn Hải

Vietnam

CwaTemperate, dry winter, hot summer(100 %)

Species observed

1

Observations

1

Area

55,4km²

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

1 distinct species · 1 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 obs · 1 cellules
Obs. / cellule
≥ 1
1–0
1–0
1–0
< 1

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

Climate

Mean T°

22,9°C

Annual rain

1 631mm

Warmest m°

31,0°C

Coldest m°

11,4°C

Elevation: 118 m on average (min 70 m, max 248 m)

Bioclimatic detailsExpert
Annual mean temp.
22,9°C
Annual rain
1 631mm
Warmest month
31,0°C
Coldest month
11,4°C
Mean alt.
118m
Min
70m
Max
248m
Std. dev.
39m
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

5,8

Org. C

21,9g/kg

Clay

31,2%

Sand

24,4%

Silt

44,4%

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

Dominant lithology: scGLiMaggregated to Lục Ngạn

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
34,4g/kg
Clay
30,2%
Sand
25,1%
Silt
44,7%
5–15 cm
pH H₂O
5,8
Org. C
19,2g/kg
Clay
30,8%
Sand
24,8%
Silt
44,4%
15–30 cm
pH H₂O
5,8
Org. C
12,1g/kg
Clay
32,5%
Sand
23,3%
Silt
44,1%

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

Land cover

Forest50.4%
Crops10.1%
Built-up0.1%
Bare soil2.2%
Other (grassland, water…)37.1%

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

Hydrology2 basins · 1 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

11,8km

Lake surface here

5,73km²

Basins crossed

2

Max stream order

3

Max drainage

3 099km²

Discharge in basins

1,2m³/s

Mean precip.

1 559mm/an

Mean T°

22,8°C

Moisture idx

0,16

Mean runoff

689mm/an

Mean elev. (basins)

152m

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

14,7%

Pesticides

8,8kg/km²

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

Protected areas1

IUCN V · 1

Cam Son

IUCN V

Cultural and Historical Site · 1986

17 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN