Nam Don
IUCN IVNature Reserve · 1986
134 km²
District · VNM
Quỳnh Nhai
Vietnam
CwaTemperate, dry winter, hot summer(100 %)
Species observed
10
Observations
93
Area
1 057,6km²
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
10 distinct species · 93 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
22,3°C
Annual rain
1 699mm
Warmest m°
28,7°C
Coldest m°
11,3°C
Elevation: 581 m on average (min 200 m, max 1 460 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
22,3°C
Annual rain
1 699mm
Warmest month
28,7°C
Coldest month
11,3°C
Mean alt.
581m
Min
200m
Max
1 460m
Std. dev.
253m
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
5,4
Org. C
26,0g/kg
Clay
34,7%
Sand
28,7%
Silt
36,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,4
Org. C
36,8g/kg
Clay
33,4%
Sand
29,5%
Silt
37,1%
5–15 cm
pH H₂O
5,4
Org. C
25,5g/kg
Clay
34,8%
Sand
28,5%
Silt
36,7%
15–30 cm
pH H₂O
5,4
Org. C
15,5g/kg
Clay
35,9%
Sand
28,1%
Silt
36,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest70.3%
Crops3.9%
Built-up0.0%
Bare soil1.0%
Other (grassland, water…)24.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology10 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
110,7km
Basins crossed
10
Max stream order
6
Max drainage
38 702km²
Discharge in basins
1 991,2m³/s
Mean precip.
1 720mm/an
Mean T°
21,5°C
Moisture idx
0,19
Mean runoff
860mm/an
Mean elev. (basins)
619m
Watersheds crossing here
- Bassin de Sông Đàsub-area831,8 km²overlap482.72 km²46%
- Bassin de Sông Đàsub-area295,5 km²overlap194.81 km²18%
- Bassin de Sông Đàsub-area120,5 km²overlap118.58 km²11%
- Bassin de Sông Đàsub-area719,5 km²overlap101.35 km²10%
- Bassin de Nậm Musub-area285,8 km²overlap61.07 km²6%
- Bassin de Sông Đàsub-area120,3 km²overlap39.28 km²4%
- Bassin de Nậm Musub-area113,4 km²overlap33.59 km²3%
- Bassin de Nậm Musub-area238 km²overlap21.28 km²2%
- Basin #69620sub-area331,1 km²overlap4.15 km²0%
1 more basinssorted by overlap
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
3,2%
Pesticides
7,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN IV · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN