Bukit Dua Belas
IUCN IINational Park
547 km²
Subdivision · IDN
Tanah Garo
Indonesia
AfTropical, rainforest(100 %)
Species observed
1
Observations
1
Area
350,7km²
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
1 distinct species · 1 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,4°C
Annual rain
2 828mm
Warmest m°
30,2°C
Coldest m°
22,5°C
Elevation: 58 m on average (min 29 m, max 94 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,4°C
Annual rain
2 828mm
Warmest month
30,2°C
Coldest month
22,5°C
Mean alt.
58m
Min
29m
Max
94m
Std. dev.
13m
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
4,5
Org. C
47,9g/kg
Clay
42,8%
Sand
36,0%
Silt
21,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Tebo
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
4,5
Org. C
59,1g/kg
Clay
41,8%
Sand
36,8%
Silt
21,4%
5–15 cm
pH H₂O
4,5
Org. C
48,5g/kg
Clay
42,3%
Sand
36,3%
Silt
21,4%
15–30 cm
pH H₂O
4,5
Org. C
36,0g/kg
Clay
44,4%
Sand
34,8%
Silt
20,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest92.6%
Crops0.8%
Built-up0.0%
Bare soil0.1%
Other (grassland, water…)6.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology6 basins · 0 lakes · 9 rivers
Hydrology metrics for this exact territory
Stream length here
65,4km
Basins crossed
6
Max stream order
5
Max drainage
3 174km²
Discharge in basins
79,7m³/s
Mean precip.
2 791mm/an
Mean T°
26,7°C
Moisture idx
0,42
Mean runoff
1 532mm/an
Mean elev. (basins)
69m
Watersheds crossing here
- Bassin de Batang Tabirsub-area521,8 km²overlap161.83 km²46%
- Bassin de Sungai Bernaisub-area238,4 km²overlap92.50 km²26%
- Bassin de Sungai Mendelangsub-area223,7 km²overlap35.19 km²10%
- Bassin de Sungai Kejasung Kecilsub-area315,1 km²overlap29.35 km²8%
- Bassin de Batang Tabirsub-area91,8 km²overlap19.26 km²5%
- Bassin de Sungai Air Hitamsub-area752 km²overlap12.54 km²4%
Rivers / streams (9, ord ≥ 4)
- Sungai Mengkekalord 2len here27.68 km100%total28 km
- Batang Tabirord 5len here12.90 km4%total293 km
- Sungai Anak Sungkaiord 1len here6.82 km100%total7 km
- Sungai Rawangord 3len here4.74 km30%total16 km
- Sungai Kembang Bungoord 2len here4.54 km100%total5 km
- Sungai Kejasung Besarord 4len here3.19 km14%total23 km
- Sungai Bernaiord 1len here2.67 km50%total5 km
- Sungai Sungkaiord 1len here1.90 km100%total2 km
- Sungai Banyuord 5len here0.94 km6%total15 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Built-up
1,4%
Pesticides
0,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN II · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN