Dolok Surungan
IUCN IVWildlife Reserve
215 km²
Commune · IDN
Habinsaran
Indonesia
AfTropical, rainforest(92 %)
Species observed
63
Observations
137
Area
388,2km²
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Species present
63 distinct species · 137 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
20,5°C
Annual rain
3 756mm
Warmest m°
24,9°C
Coldest m°
16,2°C
Elevation: 1 103 m on average (min 244 m, max 1 797 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
20,5°C
Annual rain
3 756mm
Warmest month
24,9°C
Coldest month
16,2°C
Mean alt.
1 103m
Min
244m
Max
1 797m
Std. dev.
307m
Köppen-Geiger (dominant)
AfTropical, rainforest(92 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,0
Org. C
51,8g/kg
Clay
35,9%
Sand
34,8%
Silt
29,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Toba Samosir
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,0
Org. C
70,0g/kg
Clay
35,5%
Sand
34,8%
Silt
29,7%
5–15 cm
pH H₂O
5,0
Org. C
55,7g/kg
Clay
35,3%
Sand
35,1%
Silt
29,7%
15–30 cm
pH H₂O
5,1
Org. C
29,6g/kg
Clay
36,9%
Sand
34,4%
Silt
28,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest83.1%
Crops5.1%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)11.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
0,3km
Basins crossed
2
Max stream order
4
Max drainage
4 302km²
Discharge in basins
14,8m³/s
Mean precip.
2 362mm/an
Mean T°
24,5°C
Moisture idx
0,31
Mean runoff
1 085mm/an
Mean elev. (basins)
414m
Watersheds crossing here
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
7,1%
Pesticides
0,6kg/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