HydroBASINS lev08 watershed · #1080787830
Bassin de Niandan
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 1 administrative regions : Kouroussa
Sub-basin area
8,1km²
Upstream area
30 373,3km²
Discharge
414,36m³/s
Mean elev.
367m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin du Niger1727 km²
- Bassin de Niandan741 km²
1 intersecting protected areas
Niger-Niandan-Milo
IUCN IVWetland of International Importance (Ramsar Site)
8.11 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
11 distinct species · 12 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°
26,0°C
Annual rain
1 483mm
Moisture idx (CMI)
-0,29
Runoff
369mm/an
PET
2 091mm
AET
1 056mm
Mean slope
0,7°
Water table
56cm
Forest
0%
Crops
1%
Urban
18%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)