HydroBASINS lev08 watershed · #1080697500
Bassin · #1080697500
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 across 2 countries : Say, Tapoa
Sub-basin area
468,8km²
Upstream area
468,8km²
Discharge
0,39m³/s
Mean elev.
254m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- SayTillabéry · Niger464.3 km²99.4% of basin
- 2.8 km²0.6% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
22 distinct species · 22 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°
28,6°C
Annual rain
588mm
Moisture idx (CMI)
-0,72
Runoff
27mm/an
PET
2 081mm
AET
495mm
Mean slope
0,5°
Water table
169cm
Forest
0%
Crops
12%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)