Dolok Sipirok
IUCN IaNature Reserve
72 km²
Subdivision · IDN
Simangumban Jae
Indonesia
AfTropical, rainforest(100 %)
Species observed
4
Observations
6
Area
7,8km²
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
4 distinct species · 6 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
22,3°C
Annual rain
3 651mm
Warmest m°
26,8°C
Coldest m°
17,8°C
Elevation: 743 m on average (min 459 m, max 1 026 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
22,3°C
Annual rain
3 651mm
Warmest month
26,8°C
Coldest month
17,8°C
Mean alt.
743m
Min
459m
Max
1 026m
Std. dev.
179m
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
44,8g/kg
Clay
38,9%
Sand
35,1%
Silt
26,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: viGLiMaggregated to Tapanuli Utara
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
4,9
Org. C
63,7g/kg
Clay
37,2%
Sand
36,0%
Silt
26,7%
5–15 cm
pH H₂O
4,9
Org. C
48,8g/kg
Clay
38,0%
Sand
35,8%
Silt
26,1%
15–30 cm
pH H₂O
5,0
Org. C
21,8g/kg
Clay
41,4%
Sand
33,4%
Silt
25,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest96.1%
Crops1.7%
Built-up0.0%
Bare soil0.1%
Other (grassland, water…)2.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
2,0km
Basins crossed
1
Max stream order
5
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
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Built-up
1,2%
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