HydroBASINS lev08 watershed · #5080197000
Bassin de Ramu River
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 1 administrative regions : Usino-Bundi
Sub-basin area
130,7km²
Upstream area
7 577km²
Discharge
355,91m³/s
Mean elev.
110m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ramu River248 km²
- Bassin de Andalaram River209 km²
1 dept-equivalent regions (GADM L2)
- Usino-BundiMadang · Papua New Guinea130.2 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
4 distinct species · 4 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°
26,4°C
Annual rain
4 383mm
Moisture idx (CMI)
0,62
Runoff
2 100mm/an
PET
1 660mm
AET
1 660mm
Mean slope
3,0°
Water table
71cm
Forest
95%
Crops
2%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)