HydroBASINS lev08 watershed · #1081309840
Bassin de Ulanga 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 : Kilombero, Ulanga
Sub-basin area
1 258,7km²
Upstream area
40 496,5km²
Discharge
538,5m³/s
Mean elev.
340m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ulanga River863 km²
- Bassin de Ulanga River44 km²
2 dept-equivalent regions (GADM L2)
- 969.1 km²77.3% of basin
- 284.4 km²22.7% of basin
4 intersecting protected areas
Nyerere National Park
IUCN Not ReportedNational Park
1253.49 km² overlap
Selous Game Reserve
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
1240.61 km² overlap
Selous G.R
IUCN IVGame Reserve
1239.09 km² overlap
Lohombero/Luwengu
IUCN Not ReportedForest Reserve
64.47 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
10 distinct species · 15 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°
24,7°C
Annual rain
1 350mm
Moisture idx (CMI)
-0,05
Runoff
407mm/an
PET
1 429mm
AET
899mm
Mean slope
2,2°
Water table
181cm
Forest
9%
Crops
1%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)