HydroBASINS lev08 watershed · #5080049460
Bassin de Sini 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 2 administrative regions : Abau, Alotau
Sub-basin area
456,1km²
Upstream area
456,1km²
Discharge
10,02m³/s
Mean elev.
981m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 259.6 km²57.2% of basin
- 194.5 km²42.8% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
60 distinct species · 95 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°
21,5°C
Annual rain
2 683mm
Moisture idx (CMI)
0,48
Runoff
1 036mm/an
PET
1 354mm
AET
1 337mm
Mean slope
25,0°
Water table
834cm
Forest
98%
Crops
2%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)