HydroBASINS lev08 watershed · #5080040550
Bassin · #5080040550
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 3 administrative regions : Abau, Alotau, Ijivitari
Sub-basin area
1 654,4km²
Upstream area
1 654,7km²
Discharge
61,11m³/s
Mean elev.
621m
Administrative coverage
3 dept-equivalent regions (GADM L2)
- 1609.3 km²97.7% of basin
- 34.4 km²2.1% of basin
- 3.9 km²0.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
282 distinct species · 407 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°
22,9°C
Annual rain
2 438mm
Moisture idx (CMI)
0,41
Runoff
1 131mm/an
PET
1 403mm
AET
1 377mm
Mean slope
14,1°
Water table
432cm
Forest
90%
Crops
2%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)