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
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
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)