HydroBASINS lev08 watershed · #1080672000
Bassin · #1080672000
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 across 3 countries : Diffa, Lake Chad, Mamdi
Sub-basin area
611,5km²
Upstream area
18 273,8km²
Discharge
0m³/s
Mean elev.
277m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #10806655502202 km²
- Bassin · #108066556048 km²
3 dept-equivalent regions (GADM L2)
- DiffaDiffa · Niger326.9 km²53.7% of basin
- 240.5 km²39.5% of basin
- 41.8 km²6.9% of basin
2 intersecting protected areas
Lac Tchad
IUCN IVWetland of International Importance (Ramsar Site)
319.09 km² overlap
Lake Chad Wetlands in Nigeria
IUCN Not ReportedWetland of International Importance (Ramsar Site)
240.65 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 distinct species · 2 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°
27,4°C
Annual rain
246mm
Moisture idx (CMI)
-0,88
Runoff
33mm/an
PET
2 097mm
AET
205mm
Mean slope
0,2°
Water table
13cm
Forest
2%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)