Ontologia

District · VNM

Văn Chấn

Vietnam

CwaTemperate, dry winter, hot summer(95 %)

Area

1 201,5km²

Ecological tissue

Graphe en cours d’indexation

Calcul du tissu écologique de cette entité.

Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).

Species present

Computing species observations from GBIF…

Densité d'observations

0 obs · 0 cellules

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

21,2°C

Annual rain

1 934mm

Warmest m°

28,5°C

Coldest m°

10,5°C

Elevation: 614 m on average (min 109 m, max 2 090 m)

Bioclimatic detailsExpert
Annual mean temp.
21,2°C
Annual rain
1 934mm
Warmest month
28,5°C
Coldest month
10,5°C
Mean alt.
614m
Min
109m
Max
2 090m
Std. dev.
381m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, hot summer(95 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,4

Org. C

29,0g/kg

Clay

32,0%

Sand

29,9%

Silt

38,1%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
41,1g/kg
Clay
30,6%
Sand
30,7%
Silt
38,6%
5–15 cm
pH H₂O
5,4
Org. C
27,8g/kg
Clay
30,8%
Sand
30,5%
Silt
38,7%
15–30 cm
pH H₂O
5,5
Org. C
18,0g/kg
Clay
34,5%
Sand
28,4%
Silt
37,1%

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

Land cover

Forest80.3%
Crops3.5%
Built-up0.3%
Bare soil0.2%
Other (grassland, water…)15.8%

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

Hydrology

Computing basins, lakes, rivers…

Human pressure

Pop. density

1hab/km²

Night light

0,1nW

Built-up

26,2%

Pesticides

8,7kg/km²

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

Protected areas2

IUCN Not Reported · 2

Na Hau

IUCN Not Reported

Nature Reserve · 2006

174 km²

Ta Xua

IUCN Not Reported

Nature Reserve · 2002

143 km²

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

Sub-administrations20