Ontologia

Commune · VNM

Trấn Yên

Vietnam

CwaTemperate, dry winter, hot summer(100 %)

Species observed

1

Observations

1

Area

89,2km²

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°

21,0°C

Annual rain

2 006mm

Warmest m°

28,8°C

Coldest m°

9,9°C

Elevation: 467 m on average (min 315 m, max 629 m)

Bioclimatic detailsExpert
Annual mean temp.
21,0°C
Annual rain
2 006mm
Warmest month
28,8°C
Coldest month
9,9°C
Mean alt.
467m
Min
315m
Max
629m
Std. dev.
68m
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

5,6

Org. C

22,9g/kg

Clay

33,6%

Sand

25,1%

Silt

41,3%

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

Dominant lithology: scGLiMaggregated to Bắc Sơn

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
33,2g/kg
Clay
31,7%
Sand
26,2%
Silt
42,1%
5–15 cm
pH H₂O
5,6
Org. C
21,6g/kg
Clay
33,0%
Sand
25,5%
Silt
41,5%
15–30 cm
pH H₂O
5,6
Org. C
14,0g/kg
Clay
36,0%
Sand
23,7%
Silt
40,3%

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

Land cover

Forest72.4%
Crops6.6%
Built-up0.2%
Bare soil0.3%
Other (grassland, water…)20.5%

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

Hydrology3 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

3

Max drainage

3 099km²

Discharge in basins

1,1m³/s

Mean precip.

1 550mm/an

Mean T°

21,7°C

Moisture idx

0,17

Mean runoff

650mm/an

Mean elev. (basins)

365m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Built-up

17,2%

Pesticides

8,9kg/km²

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

Protected areas1

IUCN IV · 1

Huu Lien

IUCN IV

Nature Reserve · 2006

97 km²

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