HydroBASINS lev08 watershed · #1080025010
Bassin de Waanje
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 : Bonthe, Pujehun
Sub-basin area
310,3km²
Upstream area
310,3km²
Discharge
0,27m³/s
Mean elev.
11m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 156.7 km²50.7% of basin
- 125.2 km²40.5% of basin
2 intersecting protected areas
Sherbro River Estuary
IUCN Not ReportedMarine Protected Area
21.44 km² overlap
Gbekema-Kanayema
IUCN Not ReportedForest Reserve
2.39 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
15 distinct species · 24 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°
26,9°C
Annual rain
3 846mm
Moisture idx (CMI)
0,60
Runoff
1 837mm/an
PET
1 538mm
AET
1 228mm
Mean slope
0,7°
Water table
49cm
Forest
25%
Crops
6%
Urban
4%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)