HydroBASINS lev08 watershed · #5080182340
Bassin de Siriwo
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 2 administrative regions : Dogiyai, Nabire
Sub-basin area
1 443,1km²
Upstream area
1 443,1km²
Discharge
113,01m³/s
Mean elev.
1 080m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 1331.2 km²92.7% of basin
- 105.5 km²7.3% of basin
1 intersecting protected areas
Pegunungan Wayland
IUCN IaNature Reserve
747.70 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
54 distinct species · 125 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
21,2°C
Annual rain
3 480mm
Moisture idx (CMI)
0,60
Runoff
2 432mm/an
PET
1 386mm
AET
1 386mm
Mean slope
17,0°
Water table
434cm
Forest
97%
Crops
10%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)