Dolok Sipirok
IUCN IaNature Reserve
72 km²
Subdivision · IDN
Tanjung Tua
Indonesia
AfTropical, rainforest(100 %)
Species observed
61
Observations
107
Area
7,3km²
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Species present
61 distinct species · 107 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
21,4°C
Annual rain
4 093mm
Warmest m°
25,9°C
Coldest m°
17,1°C
Elevation: 897 m on average (min 845 m, max 955 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
21,4°C
Annual rain
4 093mm
Warmest month
25,9°C
Coldest month
17,1°C
Mean alt.
897m
Min
845m
Max
955m
Std. dev.
31m
Köppen-Geiger (dominant)
AfTropical, rainforest(100 %)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
50,9g/kg
Clay
40,2%
Sand
31,6%
Silt
28,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Tapanuli Selatan
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
4,9
Org. C
65,2g/kg
Clay
39,9%
Sand
31,8%
Silt
28,2%
5–15 cm
pH H₂O
4,9
Org. C
60,5g/kg
Clay
39,7%
Sand
31,9%
Silt
28,3%
15–30 cm
pH H₂O
5,0
Org. C
27,0g/kg
Clay
41,0%
Sand
30,9%
Silt
28,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest83.6%
Crops4.7%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)11.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 0 rivers
Hydrology metrics for this exact territory
Basins crossed
1
Max drainage
3 407km²
Discharge in basins
0,4m³/s
Mean precip.
2 541mm/an
Mean T°
21,8°C
Moisture idx
0,37
Mean runoff
1 539mm/an
Mean elev. (basins)
899m
Watersheds crossing here
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Built-up
7,0%
Pesticides
0,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Ia · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN