Giam Siak Kecil
IUCN IVWildlife Reserve
783 km²
Subdivision · IDN
Tasik Betung
Indonesia
AfTropical, rainforest(100 %)
Species observed
1
Observations
1
Area
567,1km²
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°
26,5°C
Annual rain
2 831mm
Warmest m°
30,6°C
Coldest m°
22,4°C
Elevation: 15 m on average (min 5 m, max 36 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,5°C
Annual rain
2 831mm
Warmest month
30,6°C
Coldest month
22,4°C
Mean alt.
15m
Min
5m
Max
36m
Std. dev.
7m
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
4,7
Org. C
127,4g/kg
Clay
38,3%
Sand
32,4%
Silt
29,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Siak
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
4,6
Org. C
125,6g/kg
Clay
36,7%
Sand
33,5%
Silt
29,8%
5–15 cm
pH H₂O
4,7
Org. C
139,9g/kg
Clay
38,2%
Sand
32,7%
Silt
29,1%
15–30 cm
pH H₂O
4,7
Org. C
116,9g/kg
Clay
40,1%
Sand
31,0%
Silt
28,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest92.9%
Crops0.5%
Built-up0.0%
Bare soil0.0%
Other (grassland, water…)6.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 9 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
64,7km
Lake surface here
15,45km²
Basins crossed
3
Max stream order
4
Max drainage
2 970km²
Discharge in basins
19,2m³/s
Mean precip.
2 580mm/an
Mean T°
26,9°C
Moisture idx
0,34
Mean runoff
1 044mm/an
Mean elev. (basins)
28m
Watersheds crossing here
Lakes (9, top by area)
- Tasik Besinginarea8 km²avg depth7.5 m
- Tasik Betungarea2,4 km²avg depth4.8 m
- Tasik Ungusarea2 km²avg depth6.1 m
- Tasik Marbaluarea1,8 km²avg depth3.8 m
- Lac 1406717area0,4 km²avg depth4.0 m
- Lac 1406711area0,3 km²avg depth4.3 m
- Lac 1406710area0,2 km²avg depth3.7 m
- Lac 1406716area0,2 km²avg depth3.5 m
- Lac 1406708area0,2 km²avg depth4.2 m
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Built-up
0,3%
Pesticides
0,3kg/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